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HomeMy WebLinkAboutCT 82-12; CANNON RD; HYDROLOGY STUDY; 1989-08-31"( I' ~~. A' I . I I. :2Nf> / 8-"31-'e' H(."t!-(P7' CARLSBAD HIGHLANDS! , I-IYDROLOGY :S¥:U·O·y· '.\' ........ ,. PHASE I AND PHASE II· " -!. \-.,"! ',: .. CT 82 -12 . , ::: 'PO' . :':' .. :., 4' ";2' .:: ~ .' -.. ~.. ~ ~ , . , Ycf/:~,;t~f~7~~,_, ~I1Sake[ ssociate$ SanD/ego, fnc. ,"' ..... \:",( ••• 1:.\'(,'I.\'f1:'NI.\'(,' a .n'N,'I!,'IX(i fflJJ .\"",:1' HIIINc·'J,."", •. \1111,'1111 • .1<111 /111·~". 1:1 ?J/JI • 1M?) '.l'·JIJII tlllln'lll ,\t,,,'I"'Il'" 11t'/utt' fJ",m",. . ~- .:: ." . ~...: .' • HYDROLOGY CARLSBAD HIGHLANDS HYDROLOGY STUDY PHASE I AND PHASE II ·A 10, 50 and 100 year hydrology. study was done for Carlsbad Highlands. The computer used the 1985 Sqp D~ego, intensi ty -duration design chart a;nd the San Diego "C,q,Uhty urban area overland time of flow ,curve to determine the Tc. Initial analysis was restricted to one lot,' ~ischarge was then carried along the street' gutter then to a storm drain, where sub-area discharges; and travel times were added. When 2 or more storm drains meet a confluence resulted and the storm drain with the highest Tc governed. Phase I drains into Phase II, therefore both studies have been included in one report, although' Phase ,II will be designed at a later date., CURB INLET Curb inlet sizes were based on the San Diego, County Hydrology Manual for sump analysis, or for a continuous grade condition I used the equation given on page ~5" of the Ci~y ,of carls~a~,Standards. Where storm runoff is containe'd within a sump condition with no spillway, such as the cul-de-sac on "I" i Street, the 50-year discharge was used. Elsewhere, at, either a continuous grade, or local sump condition, a 10-year storm discharge was used. ' HYDRAULICS Except where noted, 10-year discharges (Q 10) were{used:to size all RCP storm drains. 50 and 100 year e*c~$-~ :wi,ll'be' carried by the streets. "" " ....... ,: • • CARLSBAD HIGHLANDS HYDROLOGY STUDY PHASE I AND PHASE II ENERGY DISSIPATER Rip rap stone size was determined by using the Army Corps of Engineers criteria, it takes into account velocity and energy in the form of the Froude Number (Fo). The county of San Diego, however bases stone design solely on channel velocity -they do not take into account depth of flow or discharge! I did use the San piego Standard > D-4 0 to determine the minimum width and length of the dissipater because it covers a surface area ithat could be contained within the storm drain easement. PHASE ~ VS. PHASE II Storm drain outlets at node 118, (Bill Barnes -Rd. -imp. plan sht. no. 38) and node 103 (Bill Barnes Rd.-imp. plan shat. no. -36) are to be temporary. Phase II improvements will connect to these existing storm,drains and discharge the water past the southwest poundary of the subdivision • storm drain outlets at 'node 127 (IAI Street -imp. plan sht. no. 34), and node 206 (Bill Barnes Rd. -imp. plan sht. no. 36) pass their discharges into open channels that will be picked up by a st0rm drain located in Phase II (node 130). BM:ky FC:Brad-Hyd W.9·#270-45 _ . '. :.r '--• W D- O ..J (/) t-w w ex: I t- " (/) "--I.L. •• 0 ~ 0 •• 20-t--'-;---'-7-' -1"+ j' . 18-' : : J II t ':'. j"'!' .. ---r-_-'-- 16-t • • 14 -. '1' . j ... j .. r . j' -t f 14-, I . i I ; 10 -J __ . _L_ .... L.._ i i 9- 8-, 7- 6- ::,- 3-· . , : 0.4-' I I i ! . :. RESIDENTIAL STREET ONE SIDE ONLY I .. :. • ..... ~ 1 I. 2 :3 4 5 6 7 8 9 10 20 30 40 50 DISCHARGE (C. F. S.) EXAM P.LE .:. Given: Q = 10 S = 2.5 % Chart gives: Depth = 0.4, Velocity = 4.4 f.p.s. f. SAN DIEGO COUNTY DEPARTMENT OF SPECIAL DISTRICT SERVICES DES I G N M A N~U A L APPROVED ~,;/. !I-tIA~. .' /. . , GUTTE~ AND ROADWAY DISCHARG~ -VELOCITY CHART . f DATE • IZ/30jq.? '.' " APPENDIX X-D IV-A-13 -. ;JnS.I. ssociate.s ScI" Diego. j"c. ,.,.4"/\(';· ".".1'''.'''._ \1111",.,,...,. ,.,.!.! ' ..... rIUJ1!""".......... ~ ........ ,., ,..,,,.,.,,.... t.:.a .,.lUI • rA,.." tn . .!I,. t~~~. 'w.l~. ,,"-,_ f~ ~13-B @:e-13'S. 'il 'rIS, 87 '6' Sr. . 74 'ItS ®.'IJSr- LOC§77l?AI ~ YZrCJ2.48 SOt/TH ~ 3Zr 2?6/ ,(/a€'TH ~ / /+8Z00 C'h'sr -~ /O-r67.5CJ c,.t:?.sr ;; 13-f-94.t:Joc/1sr I /4+S'~.oojJE5r· TYPE B a,RB INLET PROJECT Oh'RtS8~£) HI6#L/1Nt?S T'sT. E 8~RA/E9 C/3 -B) ./ &6I?R£JC Q::C1.7L.(,P,.y/:;,/Z I co,v.o/T/O'.d Q s. .D[t';Th' L· L ~IJ .5'r£1 0/./6. @'6Rh'Pc 9..5 c2068 0.34 /CJ.? . I? &6R.QPE 5.7 .o.~ c7. Z? _ 6:'7 8 t!?6K.£lPc 8.~ 0.07 0..34 I 9.7 II SUHP 4.7 /.65 ~6..e.9PE 4.4 0.07 0.27 5.4 '-' ~6K,9Pc 9.7 0.07 a.3S ! /0.8 . 12 I I D.E' __ St//-1P ~ L L 5'T 0. at./6. /.5 3./ TYPEB I I I I (jj),H'ST.' ; /O+8Z00 AKJRTl-l 5UHP 1 2 .3 1/.651/.$ I.S 1 TYFC'S \ .. ·1 . -. I - 1 I I I I I 1 I . I I -. -I I --, --.' .... , I I '-. I _ I .. .--~ ... -.~ . . --1--:" . --v I , , I I I I I' I 1 I I I -_.- :.c NOTe -TY?e /3 £er-C-..R'S ro 4' O.PeA//A/6 " ~.kcr- ssociatc$ Scln DI"90.lnc:. ,.,,A,,,.'t;· f:'t''''-'''III,\t;-lIlt.'I:')'IXf". "'.I.1""-':1""~ IJrlntt .. ,'MI, ... I., _I~ t:~ 'IJUI • '."'''Jf.J',. "II""'" ...... ,,,,,.... _. ,_ LOCg17~AI • .5',£1 S~ 1/J-I-89.25 8 {,-CST.-1> 8c-csr.~ @B73ST.-+ 50£? S?;9. /5-1-/22'5 b/r-86.84mSr ~!3-8ST.~ b/7'-86.84/JEST .--" '. " ~ .... t""~""', .. ... --r-w. .... _.~~. • .. ," ... , .. • TYPE B CURB INLET i89P H/66/U?40.s ·PROJECT =C:S/~ ~6/?PLJC a =Cl7LrH'r Y)3,.,z Cc:7..<1.o1TIOP a s. 'of£)Th' L· L "lffJ ' sra 0/./6. StA"-1P 2,/ ,/.6~ e'6£r?PC II CJ.o8 0.18 /.S rYr'cB SUHP :3~2 'j.6~ §J6K~£)c 0.7' 0.03 0.'24 o.<J TYPe-£3 " .. .. --'". " - 1---, ~, • ""*AKJT£-TYPE.8 INLeT KcreRS ,7l:J4"CJ?cA//.A./6 'TE __ SU/?P qz L L. S"TCJ. a/6. /.Z5 /,7 TYPeS /,ZS 2.b TYP€!3 , -•• !.,. I ~.k~ unsa cr ssociat~ Sa" m.go.'nCo rlA'".";-Iw,tJ."'."t •• W ..... ..,.,.'Wi "1.1.1"",,,,:1" .Wp ,WIt·... ., .... I., -,,,.,,... ,;1 'lUI • ,..,." fJ'.!lfIf 'lfp,y.,· ....... ,"""'. _.,_ • TYPE B CURB INLET PROJECT C,q,eLS88P #/6#?8.N'4;> ;q~..q~ 5TRecT ~ /f}/ 5r~cET tffJ6IPPLJe Q =(7.7L..rRr YJ* LXQ17t:'# . COU.a/T/Oj/ Q 5. LJ~m L· L STLJ. OJ.lt$. -; 431'4'2.36 Sot/T# @ fj-8'.rr.- @ '£'5£- @ ',q-;:J'sr-- ;:: S.t>. sr,q 7;1-2'8.86 SatTN ;;'1;> 27r.J4.0CJ A/tJ.!?r,t.,/ ;"PZ7r34.'OC> SOOTH &6eh'.o6 SUH;:::' t?6R~Oc ..rUI'-1P 2.1 0.008 0.22-2.8 TYPe /.3 4.~ J.h (J.OZ 0.3/ 43 6 '9.;3 ~IJ /.65 /.65 ® W~/1~J;­ ., @ L!,?T.~ IZ1'22~OO NOKTH .$VrlP 9.7 /.65 . ®. v:sr.-- ®V5T-I- ., .. wo· ...... '. 15 r37. 00 50vrH" ~&.er7P£ C?S 0.12-0.32 ?1+CJ7.C:>O e.q$ r <§J6,.eQPC' /4.:3 OL>Z 0.4'5 .. .. . ... ...,~.~ .. -.J.. ~ -, . -.. -.... , -. "-,----- */\/oro· TYPe B ..eeF~S ro 4/ ~A/,w6 I/,4 /3 14./' 10 -. -'. '. - ., 'TE __ SUHP ~ L L S-Ta t¥/d. ;.5 3.3 rypc.8 /.5 6.2 8 /.5 6.5 8 '-, • ~nSaker~ ssociat~ San DIego, 'nc. ,.,A,\I.""·I:.\tJ:\".", •• U .,·,.t·,,' .... M.1J .'",,..:r Ifltl1t'" IJrlrr. .~ .... I., _,,,,,,,,. ,:, ,Jill • fA",,-,f . .l',. ,,,"""',. "' .. ,,,,,.... _.,- LOCg17~AI ® 'rl'ST.7 @ 'F/'Sr.~· /Cl~6Z 2b AnRTh' le-r 76.46 SOO'TH @W'ST..-? @ /9' 5T. ..;. Z/r4z.92 A/c7RTH 2/~45. /b Sc)U'TN ~ i3'ST. ~ ......... .--" . 10 r 5?~0 A-ORTI-I @ '/3'$T.~ /or58.8Z SOUTH @'C'ST.-"7 39-r63 NORTH (~ 'C~;;'7' .39r63 500Th' . -..,-. ....... ~·4 ~. _" ," . " .- • TYPE B CURB INLET . PROJ EC'T C'RRt.SS.QO 1-I/6#t.,.q~.oB -71' STReeT . ~6RPLJC a=a7L("7"'>Q~ cou.omo,V Q s. Of£)Th' L· L STa 01./4 SUN? 4.5 <!fJ 6.e/9PC' 9./ 00Qt:1 a36 /0.0 II' SU/-tP Z> 5UHP 9.7' &6~nO£ . 2.4 0.01 0,:30 2.~ .TYPe .8 SU!'-1P 2.8 &6K"q.oc . 7.2 6.Q5'3 6132 13·3 /O~ &6RBPE 14.0 o.Ob3 0-27 17.3 /9" .. -. -'" .. -" . • -.- *Nore-TYPc B INLET ReFERS TO 4'O~A/N6 'TE __ SUHP IfIJ ~ L L S'ra at/6. /.65 /.5 3 rYPEC3 /.65 /.5 3 Ty?e'E 1/.6.5 /.5 ~.5 g" /.65 /.5 /.9 TYPe /3 -I ..... I I , • ~nSaker- ssociat~ Setn DlegtJ. 'nc. rtA'''.''';-,.:.\'"",,.,,,,,,;-,, .. ·,.,tw,; ,,,.IJ _\",,":1' .IJ .... ,~ .. , .... J., ...... , ........ ,:t ,JUI • I.'" J Uf.':'. ,.,,,, • ...,. \00 .. ,,,,,.... '"_. ,_ LOCg77~..<I ® @ 17-rQO A./t""RTH' LLf.Q:2 sour/-! .--" .. ~ .. ~ ',. .. ~!-~. • ... ry-. •• -............ " . .-.-- • TYPE B CURB INLET &0 H16/11:&N'l2f3 PROJECT C'~~~TRecr (!iJ6KPce Q=(:J.7Lr.Qry)3"z CtJULJ/T/OP Q s .. ~Th' L· L sr.a OI./~ (§?6,e,9PC 4.1 0.01 0.30 45 0 @6~oe ,e.8 . 0. OJ 0.3Z 3.2 rYP€13 .. -. .. . ~ . -. -~ . -. 9 ~ . ~Norc-7Y?c 8 ...eere~s T04'O~M/6 ~TE __ SUr/P ~IJ ~ L L sora £11./6. -. -. I I I • • • TBB REGIONAL STANDARD DRAWING IS HEANT TO APPLY TO HOST ALL CONDITIONS AND I~ INTENDBD TO BE . CONSERVATIVB. HOWBVBR, IN PRACTICB, IT IS. SOKBTIMBS FOUND TO BB lNADBQUATE. THB CORPS or .INGINEERS BAS_ DQNE EXTENSIVB TBSTING or CULVERT' OUTLETS AND BAS,DEVBLOPED CRlTEBIA FOR STQNB &.l.U., SSAP! AND LENGTH or A RIP 'RAP BLANKET TO PROTECT AGAINST SCOUR IN FINE SAND. THIS IS CONSIDERABLY MORE CONSERVATIVE PESIGN THAN THE REGIONAL STANDARD DRAWINGS, PARTICULARLY WITH BIGH EXIT VELOCITI"ES. THE DESIGN CRITERIA RECOMHENDED BY THE CORPS OF ENGINEERS IS SHOWN IN FIGURES 1'.10 THROUGH 1'.16 .• . . THE SYMBOLS USED ON' THESE FIGURES AREI . I • d a • STONE DIAMETER REQUIRED TO PREVENT FAILURE IN FEET l DI o • DIAMETER OF PIPE IN ,FEET .. D -DEPTH OF FLOW IN PIPg IN FEET FO -FROUDE NUMaER AT CULVERT OUTLET . (-Vo/1iI5O ) . . '10 .-AVERAGE VELOCITY OF FLOW AT CULVERT OUTLET IN FPS 9. • ACCELERATION DUE ~ GRAVITY.C32.2 FT/ SEC) . . LSp • LENGTH OF SLOPE PROTECTION HSp • WIDTH OF SLOPE PROTECTION MINIMUM TAILWATERz D < 0.500 .MAXIMU~ ':l'A~~WATERZ D Z. o. SDO MINIMUM TAILWATER CAN BE AS~UMED IF THE PIPE OUTLETS ONTO A FLAT AREA WITH NO DEFINED CHANN~L • i l! 1 . • • • ; , , ! : I ; . 'i ,. I ; , ., , Inp. PL.I9~ SHe£'T ,.va 34 ,,c:;' STReET .. " 3h, 'BILL BRRAic:3 .J"~ 'I9-R' .s?7<ecTCM~ ~ Tt/c,A(cl< /~ ';3' STReeT ~ BilL S.Q.RN'E5 FRouPC !Va .ltk d.s={J.25FolJ,-.I5 D. 2,6 /.5' " 2:3 /. 3 '-,/.S( " /.'3 05' , ... zq 0.8 oJ I' , -.. ' ...... ~ • "4 H" ... .' .' e.~ 0.6 ...,0,5' "- /.(7 CJ3 ..... O'5' '. OISC.HRR6E OI,J!?M. SLOPE CCFS} CIN) (X) -5!.~:/ I 3~ 32.8 6o.~ ~ /c:z I ' f I I fft:?6' ~(J I , , I '9.7 /<5 14/ I I 69: (8 ;Y.z , I > I • I , 3.7 /8 C'Z6 '* :>tc' {.Ef.l6TI-I . i./ /£J T /-I /2'-15' fj~io' . I, 12' ~ 15' 9~/O' I I· . 12~ IS' 9!"/t/" " .. ! .. , ,--,~., _. '-._ .• _ .. " ..... j_ ... ... ~ -.~ -.. i I ~/~ , 4.5',.,.5'. 10 -• · .. 1· .... • .--, ... .. . ""1 . , ..... 0 - 0' , 6" 5' ~ IO? 4· ,- b'- , . 45,J5' 10 : . Ve't.OClrY CFPs) 25.0 22.3 /;S.'Z /9.7 16'.2 7.2 'd' •• ; :~or4.-of (,ROO( . .o/dc~"!vON') SIZe£! 8c?a:?gO/.N'&.. '.W. .. ARI1>:' ca?RtPs. ST.A/PS. ,-f . I . .... .~ ""'NOTE -L.eN6TrI R;.J£) J,/IOTI/ DII1CJ.l510AlS SIZe£) ,Qcd:/RON6 TO " :. " . " . ;, , . : , , . "j , I ,. ,. I· ., THe s,qAl /?/c6C? ,(2c610y/9L, sr..q/l/f),qRP 0-40 £IP~/lP j .. . t J , J .' ......... I. • 0.' 0 •• 0.1 0.' 4. ' -'0 5 o. . 0 .... 0.3 0.2 o . 0, 1 ! 'II . i " # . I', . 0 V I I I "'s-0.1$ J;, Do -d"$,~ ~ t : ~ . ~~'i : . I I '" A i -1--, " 1/ A a . /'p lop '. j ~, 0 I,.EGEND 0 I.OOO-f"T'-OIAM CUL-vEltT a 0.33HT-OIAM CuL.V[ltT A O. ZZ""T-OIAM CUL.y£ltT .. )P ; I I I , .".. 2 3 ... '5 • FROUDI HUMBI", F. ,. V. /,firs; FIGURE 19.13 STONE DIAMET'ER AS A FUNCTION OF CULVERT DIAMETER AND FROUDE NUMBER OF FL9W FOR MAXIMUM TAILWATER , ~" i .' • •• i • I. 2D or 2W (min.) ~ ~ Cl N C 's C= - ~ 6" wid. slot .. 0 Cl N 3D or 3W A...J PLAN ~ NOTES: o • Pipe Diameter W • Bottom Width of Channel Flow Filter Blanket Sill. Class 42IJ.C·2000 Concrete SECTION A-A 1. Plans shall specify: A) Rock class and thickness (TI • S) Filter material. number of layers and thickness. . ! ~:::::: .' ·:·.eo • '0' '.' ',',.;:-: " •• ,::::.;.~ ftECOMMEtcOED IY THE SAN DIEGO ftEGIONA~ STANDARDS COMMITTEE Cltz../~.~ ITu.. If7s ~;hhn:lU" M r t I!lR01 OJII DRAWING NUMBER 0-40 '0" ~ SECTION B-B 2. Rip rap shall be either quarry' stone or broken concrete (if shown on the plans.) Cobbles are not acceptable. 3. Rip rap shall be placed over I filter blanket which may be either granular material or plastic filter cloth. 4. See standard special provisions for selection of rip rap and filter blanket. 5. Rip rap energy dissipators shall be designated as either Type 1 or Type 2. Type 1 shall be with concrete sill; Type 2 shall be without sill. I ! Date iRevision By Approved SAN DIEGO REGIONAL STANDARD DRAWING Sill. filter r #(..8. RIP RAP . ENERGY D1SSIPATOR .- ,_,i L ' • . ' CITY OF CARLSBAD CARLSBAD HIGHLANDS , HYDROLOGY STUDY 10-YEAR HYDROLOGY STUDY VI/ .0. '270 -11,0 "'.,."' ........ '., •... ---c' "''''_.. . ~ ", --; .--- •• _ ....... ,,\' .... ,. ..... '.' ._ "."O.h_ '.":..1' ...... ", ........... , .... ~ ... ,: :. ••• ~. ,::,t.:"'.-:." '.~ .. :' .'. ~ .... :.. .:.. ..;; 'T. :,-, ;----' ---. ,...--.. . \' . ~ .~. '.~ .: ..•. '(..-:.~ • '! .: l~~ l> ~~.',..~ .• -.-.::.::..-...... COUNTY OF SAN DIEGO DEPARTMENT'OF SANITATION & FLOOD CONTROL 1:0-YEAR 6-HOUR .PRECIPITATIO~J " ',:': ~""r~·. .~ .. ; .. -.. ~~~. .-:!~:~~ .~.': 45' -: 30' IS' 33 0 I . , . 4 I 45' 11 --+--r-~ .. -_ .. _---... _---------.. _--.. ._'" ...... -.. . ..... ...... I :to , ~ P",p,!r~d by u.s. DEPARTMENT OF COMMERCE N .... TIOX .... L OCEANic MID Al·~:OSPIlEnIC ADMINISTRATION • :SPECIAL STUDIES BRANCH. OFFICE OF tfYOROLOGV, NATION .... L WEATHER SERVICE 301 jl----~~------~------~ 1180 45' 30' 15' 117° 45 1 3D' 15' ---. , \. .: 116- :~?f ~i;; 50 .s } ,3 ~ "'0 ~.2 I-f >< ec e(~ Directions for' Application: 1) From precipitation maps determine 6 hr. and 24 hr. amounts for the selected frequency. These maps are'printed in the County Hydrology Manual (10) 50 and 100 yr. maps included in the Design and Procedure Manual). , 2) Adjust 6 hr. precipitation (if necessary) so that it is within the range of 451 to 65% of the 24 hr. precipitation. (Mot applicable to Desert) , 3) Plot 6 hr. precipitation on the right side i of the chart. ! 4) Draw a line through the point parallel to the I, plotted lines. I' '/0 yr • * 3./ t P 6 = 2B.. %* P .... . 24 -t-t-t-i-H+Hf+H+++lH+l+H+Hjf.H.I ' -: .. :: ' , . I 2\ Adiusterl 'It < -• I -. ---,.----... P6= 1.8 ... . .., ... . . .... . .. • .:: "0 :.' '- 3) t = min. e • -~T .• -~+~H+++H+H+l +'++II'I~I;I -.... -"1.0 4) I = In/hr. *Not Ap,pl ieabl e to Desert Region >< I-f ~ ~.1 _.OO~~I.I$I~IIIII~IIIIIII.ll ~ 10 15 -1-+-H-H-t:"I-~+- 1-1 1 1 1 1 1,...J....+-l+I-/-I-.H··· IIII-H-++++H-I-H-H+H-H+m··, 40 50' 1 ., . APPENDIX Xl IV-A-14 Revised 1/85 20 30 Minutes Duration 2 Hours 3 4 5 6 ========================================:==================================== . RATIONAL METHOD HYDROLOGY COMPUTE~ PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 198.5 , 1981 HYDROLOGY MANUAL ~:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: (C) Copyright 1982,1986 Advanced Engineering Software CAESJ Especially prepared for: HUNSAKER & ASSOCIATES ««««««««««««««««««{<»»»»»»»»»»»»»»»»»»» **********DESCRIPTION OF RESULTS******************************************** * CARLSBAD HIGHLANDS 10-YEAR HYDROLOGY STUDY * * W.O. 270-40 * * 3/28/88 .,' * **************************************************************************** ~---------------------------------------------------------------------------USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -------------------------------------------------------------~-------------- ~ 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) -10.00 6-HOUR DURATION PRECIPITATION (INCHES) ::: SPECIFIED MINIMUM PIPE SIZE(INCH)::: 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FDA FRICTION SLOPE::: .85 ,«««««««««««««««««««»»»»»»»>»»»»»»»»»»») Advanced Engineering Software CAESJ SERIAL No. 107301 VER~ 3.4A' RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» ~ SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET)::: 100.00 UPSTREAM ELEVATION::: 342.00 DOWNSTREAM ELEVATION::: 340.00 ELEVATION DIFFERENCE::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES)::: 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: 3.420 SUBAREA RUNOFF(CFS) .38 TOTAL AREA(ACRES) ::: .20 TOTAL RUNOFF(CFS) ::: .38 -- w (J) c( ::E: '. '. FLOW PROCESS FROM NODE 2.00 TO NODE 3.00 IS CODE == 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU 8UBAREA««< ==============================~==========~==================~=============== UPSTREAM ELEVATION == 340.00 DOWNSTREAM ELEVATION == 330.00 STREET LENGTH(FEET) == 430.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) == 28.00 STREET CROSSFALL(D~CIMAL) == ·.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) == 3.28 STREET FLOWDEPTH(FEET) == .26 HALFSTREET FLOODWIDTH(FEET) == 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.77 PRODUCT OF DEPTH&VELOCITY == .73 STREETFLOW TRAVELTIME(MIN) == 2.59 TC(MIN) == 10.89 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 2.871 SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) == 3.60 SUBAREA RUNOFF(CFS) == 5.68 SUMMED AREA(ACRES) == 3.80 TOTAL RUNOFF(CFS) == 6.06 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .31 HALFSTREET FLOODWIDTH(FEET) == 9.37 FLOW VELOCITY(FEET/SEC.) == 3.04 DEPTH*VELOCITY == .95 **************************************************************************** FLOW PRbcESS FROM NODE 4.00 TO NODE 5.00 IS CODE == 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===========================================~============================~=== SOIL CLASSIFICATION IS ItDII RURAL DEVELOPMENT RUNOFF COEFFICIENT == .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED == 10.77(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -200.00 UPSTREAM ELEVATION = 485.00 DOWNSTREAM ELEVATION = 432.00 ELEVATION DIFFERENCE = 53.00 10 YEAR RAINFALL INTENSIrY(INCH/HOUR) == 2.891 SUBAREA RUNOFF (CFS) == • 26 TOTAL AREA(ACRES) = .20 ., TOTAL RUNOFF(CFS) == .26 **************************************************************************** .'-FLOW PROCESS FROM NODE, .. 5.00 TO NODE 6.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =======~=========================================================~========== UPSTREAM ELEVATION = 432.00 DOWNSTREAM ELEVATION = 370.00 STREET LENGTH(FEET) == 950.00 CURB HEIGTH(INCHES) == 6. STREET HALFWIDTHlFEET) = 24.00 STREET CROSSFALL(DECIMAL) == .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) == 3.49 STREET FLOWDEPTH(FEET) == .28 HALFSTREET FLOODWIDTH(FEET) == 7.48 AVERAGE FLOW VELOCITY(FEET/SEC.) == 5.16 PRODUCT OF DEPTH&VELOCITY == 1.42 STREETFLOW TRAVELTIME(MIN) == 3.07 TC(MIN) == 13.84 • 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 2.459 SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) == 4.80 SUBAREA RUNOFF(CFS) == 6.49 SUMMED AREA (ACRES) == 5.00 TOTAL RUNOFF(CF~) == 6.75 END OF SUBAREA STREETFLOW HYDRAULICS; . :')'''i'1 . ,.f<, • ~ I •• I..... • ••• I. I ...... l •• _; I 1. __ •••• ~ ...... ,", .1 .... • • 1 ',. .. ,. j..N' I : ,j. ...... "_ ••• FLOW VELOCITY(FEET/SEC.) = 5.74 DEPTH*VELOCITY 1. 91 **************************************************************************** FLO~ PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE = 3 . , ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ~=~~~~~~~!~~=~~~~~:~~::~:!~~~:~=~!:~~!:~=~~~~::~~~:~~~=:~~~~~~~~~====~====== ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 ' DEPTH OF FLow IN 18.0 INCH PIPE IS 5.9 INCHES PIPEFLOW VElOCITY(FEET/SEC.) = 13.3 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 338.00 FLOWLENGTH(FEET) = 360.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCHJ = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 6.75 TRAVEL TIME(MIN.) = .45 TC(MIN.) = 14.29 **************************************************************************** 'FLOW PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE = 1 ----_. __ . __ .. _-_ .. _.-._----_ .. _-_ ..... _ ..... _-_ .. _ .. _----_ .. _----_ .. -.. _ .. _--_ ..... _ .. __ .. __ .. ----_ .. __ .. _-_ .. _-...... -..... _ .. _--_.---.. - »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==============================~==:========================~================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.29 RAINFALL INTENSITY (INCH./HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 5.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.75 -- w en **************************.***************.**********.*********.*************.*** c( .-::~~-~~~:=::--~~~~-~~~=-----~~~~~-~~-~~~=---.----~~:~~-~-:-:~~:-.:~-... =------------... ~ »»>RATIONAL METHOD INITIAL SUBAREA .ANALYSIS««( ============================================================================ SOIL CLASSIFICATION IS "0" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW~LENGTH(FEET) -325.00 UPSTREAI'1 ELEVATION = " '38'5.00 DOWNSTREAM ELEVATION = 364.00 ELEV~TION DIFFERENCE = 21.00 URBAN SUBAREA OVERLAND T I ME OF FLOl.tJ (M I NUTES ) = 4. 032 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. TIME OF CONCENTRATIdN ASSUMED AS 5-M1NUTES 10 YEAR RAINFALL INTENSITY (INCH/HOUR) ;::: 4.743 SUBAREA RUNOFF(CFS) ;::: .90 TOTAL AREA(ACRES) ;::: .20 TOTAL RUNOFF(CFS) = .90 **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NoDE 9.00 IS CODE = 6 --p------------------------------------------~------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===============~============================================================ ~ UPSTREAM ELEVATION;::: 364.00 DOWNSTREAM ELEVATION = 338.00 STREET LENGTH(FEET);::: 400.00 CURB HEIGTH(INCHES) ;::: 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF;::: 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS);::: 5.47 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET);::: 6.88 , ., AVERAGE FLOW VELOCITY(FEET/SEC~~ r-4p.~2 I i\,-.~.·~ ........ , ~~'I .~ .. ~I.H.I lit'.;'.·.·i .... l-l..,!-·_/J.I I ..... .1."..;.. .. :.. STREETFLOW TRAVELTIME(MIN) := 1. 44 TC<I'1IN) := 10 YEAR RAINFALL INTENSITY C INCH/HOUR) := 4.027 SOIL CLASSIFICATION IS liD" SINGLE FAMILY OEVELOPMENT RUNOFF COEFFICIENT := .5500 SUBAREA AREA(ACRES) ,= 4.00 SUBAREA RUNOFF(CFS) = 8.86 SUMMED AREA(ACRES) = 4.20 TOTAL RUNOFF(CFS) = 9.76 • END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) := .30 HALF STREET FLOODWIDTH(FEET) := 8.54 FLOW VELOCITY(FEET/SEC.) := 5.76, DEPTH*VELOCITY:= 1.71 **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE:= 1 -----------------------------------------------------~----------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND'COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==============~========================================~==================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES):= 6.44 RAINFALL INTENSITY CINCH./HOUR):= 4.03 TOTAL STREAM AREA (ACRES):= 4.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.76 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER CCFS) (MIN.) (INCH/HOUR) -------------------------------------------------------~-------------------- • 1 2 6.75 9.76 14.29 6.44 2.409 4.027 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 12.59 .13.80 , COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) := ' '13.80 "tIME(MINUTES):= 6.442 TOTAL AREACACRES) = 9.20 STREAMS **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE:= 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =============================================================~=======~=====~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT := .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 140.00 UPSTREAM ELEVATION = 438.00 DOWNSTREAM ELEVATION := 435.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 9.787 10 YEAR RAINFALL INTENSITY (INCH/HOUR) := 3.075 SUBAREA RUNOFFCCFS) := .34 TOTAL AREACACRE~) = .20 TOTAL RUNOFF(CFS) := .34 **************************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE = 6 ._;;:;;;~~~;'~~~_~~~~~~;~~~_~~~~~~~~'~~H_~~~~_~~~~~~~~~~:~~ ____ ~ _______ ~ _______ . __ ==========================================================================~= UPSTREAM ELEVATION = 435.00 STREET LENGTH (FEET) := 1000.00 STREET HALFWIDTH(FEET) = 28.00 SPECIFIED NUMBER OF HALFSTREETS \.. ~ ow.' .' ,,~ DOWNSTREAM ELEVATION = 401.00 CURB HEIGTHCINCHES) = 6. STREET CROS~FALLCDECrMAL) = .0200 CARRYIN~ RUNm~~~= 2 -- , ••••• '" ...... • ..... ·.l. l.~ 1;1 .... 1 •••• t. ......... t • '., .. -j _ •• STREET FLOWDEPTH(FEEt) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.26 PRODUCT OF DEPTH&VELOCITY = .86 STREETFLOW TRAVELtIME(MIN) = "5.11 TC(MIN) = '14.90 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.345 SOIL CLASSIFICATION IS "0" • SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 5.40" SUBAREA RUNOFF(CFS) = 6.97 SUMMED AREA(ACRES) = 5.60 TOTAL RUNOFF(CFS) = 7.30 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .~1 HALFSTREET FLOODWIDTH(FEET) = 9.37 FLOW VELOCITY(FEET/SEC.) = 3.67 DEPTH*VELOCITY = 1.15 **************************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE = 1 ------------------------~---------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==~===================================:==========~=========================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.90 RAINFALL INTENSITY (INCH./HPUR) = 2.35 TOTAL STREAM AREA (ACRES) = 5.6q TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.30 *********************************~***************~************************** FLOW PROCESS FROM NODE " " 15.00 TO NODE 16.00 IS CODE ~ 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< . , . =====~====================================================================== • SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFIC1ENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 • UPSTREAM ELEVATION = 437.00 DOWNSTREAM ELEVATION = 435.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 lQ YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 16.00 TO NODE 17.00 IS CODE = 6 »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION = 435.00 DOWNSTREAM ELEVATION = 40~.00 STREET LENGTH(FEET) =1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) ::: .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF::: 2 **TRAVELTIME COMPUTED USING ME~N FLOW(CFS)::: 5.63 STREET FLOWDEPTH(FEET) = .2(-3 HALFSTREET FLOODWIDTH(FEET)::: 7.71 AVERAGE FLOW VELOCITY(FEETISEC.)::: 3.95 PRODUCT OF DEPTH&VELOCITY = 1.11 STREETFLOW TRAVELTIME(MIN)::: 4.22 TC(MIN)::: 12.52 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.624 SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOF~ COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.40 SUBAREA RUNOFF(CFS) = ~,,'~' '. __ .. !~;\: ", f::: .1~'~~.. . : 10.6(-3 • ........ 11 .1 iL ... J..t ~ ~\I '.1 ••• I I "t 'i\ ... ·1 •• 1._ ...... 1 J ' • l " 1,.,.1' .... • 1 W I O"'IL_ i"<,UI'.j\.Jr'I" \ 1..,1-;:;) I -". END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITYCFEET/SEC.) = 4.15 DEPTH*VELOCITY = 1~44 **************************************************************************** FLOW PROCESS FROM NODE 17.00 TO NODE 14.00 IS CODE = 4 ----------------------------------------------------------------~-----~----- • »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==============================~===========~========================~======== DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.1 UPSTREAM NODE ELEVATION = 402.00 DOWNSTREAM NODE ELEVATION = 401.00 FLOWLENGTHtFEET) = 60.00 MANNINGS N = .013' GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER QF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.06 TRAVEL TIME(MIN.) = .11 TC(MIN.) = 12.64 **************************************************************************** FLOW PROCESS FROM NODE 17.00 TO NODE 14.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLuENCE««< »»>AND COMPUTE VARIOU~CONFLUENCED STREAM VALUES««< =======~===================================================================~. • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM ~ ARE: TIME OF CONCENTRATION(MINUTES) = 12.64 RAINFALL INTENSITY (INCH./HOUR) = 2.61 TOTAL STREAM AREA (ACRES) = 7.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.06 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 2 7.30 11.06 14.90 12.64 2.345 2.608 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 17. 25 17. 6:::;; COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 17.63 TIME (MINUTES) = 12.638 TOTAL AREA(ACRES) = 13.20 **************************************************************************** FLOW PROCESS FROM NODE 18.00 TO NODE 19.00 IS CODE = 2 -------------------------------------------------------------------~--------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========================================================~=============~==== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF' FLOW(MINUTES) = 8.299 1.0 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) .38 ,,~ '~\: '·t'·'\ ,'~ , :. FLOW PROCESS FROM NODE 19.00 TO NODE 20.00 IS CODE == 6 ----~-----T-----------------------~-----------------------------------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==================================================~===.===============~====== UPSTREAM ELEVATION == 391.00 DOWNSTREAM ELEVATION == 378.00 STREET LENGTH(FEET) == 900.00 CURB HEIGTH(INCHES) == 6. STREET HALFWIDTH(FEET) == ~8.00 STREET CROSSFALL(DECIMAL) == .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 • **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) == 2.22 STREET FLOWDEPTH(FEET) == .25 HALF STREET FLOODWIDTH(FEET) == 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) == 2.29 PRODUCT OF DEPTH&VELOCITY == .57 STREETFLOW TRAVELTIME(MIN) == 6.54 TC(MIN) == 14.84 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 2.351 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) == 2.90 SUBAREA RUNOFF (CFS) == 3.75 SUMMED AREA(ACRES) == 3.10 TOTAL RUNOFF (CFS) == 4.13 END OF SUBAREA STREETFLOWHYDRAULICS: DEPTH (FEET) == .30 HALFSTREET FLOODWIDTH(FEET) == 8.54 FLOW VELOCITY(FEET/SEC.) == 2.44 DEPTH*VELOCITY == .72 ***************************~************************************************ FLOW PROCESS FROM NODE 19.00 TO NODE 20.00 IS CODE == 1 ----------------------------------------------------------------------------»»>DESI9NATE INDEPENDENT STREAM FOR CONFLUENC~««( ==============================~============================~================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) == 14.84' RAINFALL INTENSITY (INCH./HOUR) == 2.35 • TOTAL STREAM AREA (ACRES) == 3.10' .. TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 4.13 ***********'***************************************************************** FLOW PROCESS FROM NODE 21.00 To NODE 22.00 IS CODE == 2 ----------------------------------------------------------------~------------ »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==:========================================================================== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) == 100.00 UPSTREAM ELEVATION == 394.00 DOWNSTREAM ELEVATION == 392.00 ELEVATION DtFFERENCE == 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(~IINUTES) == 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 3.420 SUBAREA RUNOFF(CFS) == .38 TOTAL AREA(ACRES) == .20 TOTAL RUNOFF(CFS) == ~38 **************************************************************************** FLOW PROCESS FROM NODE 22.00 TO NODE 23.00 IS CODE = 6 »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 4It=~;';~~~~~=~~~~~~7~~==:======;'~;~~~=====;~~~;~~~~~=~~~~~~~~~=:=======;;~~~~=============== . STREET LENGTH (FEET) = 850.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 ST~EET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMaER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = STREET FLO,WDEPTH <.FEf.1J == . 23 ., , .:({: ~~1~ ,.' '~', .. ~.-. ";.}::~{;"'" '. }·>iJ~;· 1.62 I II I l. •• , I .. _ t i .l .... ( .... I I 1 ....... r .. ..JJ.oI:,. ..... ~.J t l.-.. I , .. _1,_1 I ... oJ .. .l.o ...... AVERAGE FLO~ VELOCITY(FEET/SEC.):::: 2.06 PRODUCT OF DEPTHLVELOCITY :::: .48 STREETFLOW TRAVELTIME(MIN):::: 6.86 TC(MIN):::: 15.16 10 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 2.319 SOIL, CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES):::: 1.90 SUBAREA RUNOFF(CFS) - • SUMMED AREA (ACRES):::: 2.10 TOTAL RUNOFF (CFS) ::: END OF SUBAREA STREET FLOW HYDRAULICS: 2.42 2.80 DEPTH (FEET) :::: .26 HALF STREET FL"OODWIDTH(FEET) :::: 6.88 FLOW VELOCITY(FEET/SEC.) :::: 2.36 DEPTH*VELOCITY:::: .62 **********************************~***************************************** FLOW PROCESS FROM .NODE ,23.00 TO NODE . 20.00 IS CODE:::: 4 ----------------------~-------------------------------------------------~---»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ====================~=================================================,~===== DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.):::: ·5.8 UPSTREAM NODE ELEVAtION::: 379.00' DOWNSTREAM NODE ELEVATION:::: 378.00 FLOWLENGTH(FEET):::: 58.00 MANNINGS N:::: .013 GIVEN PIPE DIAMET~R(INCH)::: 18.00 NUMBER OF PIPES:::: 1 PIPEFLOW THRU SUBAREA(CFS) :::: 2.80 TRAVEL TIME(MIN.):::: .17 TC(MIN.):::: 15.33 *********************************************~****************************** FLOW PROCESS FROM NODE 23.00 TO NOPE 20.00 IS CODE:::: 1 - ---------------------------------------------------~---~----~------------~--»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • :> >;:.)-)-AND CO~IF'UTE VAR I OUS CONFLUENCED STREAM VALUES';:: < < <-( ===========~================================================================ CONFLUENCE VALUES USED. FOR INDEPENbENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.33 RAINFALL INTENSITY (INCH./HOUR):::: 2.30 TOT~L STREAM AREA (ACRES):::: 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE ~ 2.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR> ----------------------------------------------------------------~----------- 1 2 4.13 2.80 14.84 15.33 2.351 2.3()2 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 6.87 6.84 COMPUTED CONFLUENCE ESTIMATES ARE AS FOL.LOWS: RUNOFF (CFS):::: C§?BV T I !T1E (M I NUTES ):::: 14. 839 TOTAL AREA (ACRES) ~ 5.20 ,; I c.... ~A/,o e?/"" G72?KM P~A/N ~"$ G,r.ee:-.e'/; /M/P. ~~,4N Gh"T. #/4 *********************************************************************~****** ~ FLOW PROCESS FROM NODE 24.00 TO NODE 25.00 IS CODE:::: 2 .;;;;;R~~~~~~~-~~~~~~-~~~~~~~-~~;~R~~-~~~~~~~~:~~~~~----------------~------.--- ===~=============================================================~========== SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 ,; \~'. '; '::;t . .-;~ .. ;.\ .;. !::"'. .~) , !, w :" ,; '.. '\ !'': ~', ut-';:, I I"\t::.HI I c,Lt.::. v I"i I .l LII\I ;::; DOWNSTREAM ELEVATION = 416.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) =: 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) =: .38 TOTAL AREA (ACRES) =: .20 TOTAL RUNOFF(CFS) = .38 e ************************************************************************** FLOW PROCESS FROM NODE 25.00 TO NODE 26.00 IS CODE = 6 ----------.-------.,..--,-------.----------------_ .. _---------"----------._------------- »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««( ============================================================================ UPSTREAM ELEVATION =: 416.00 DOWNSTREAM ELEVATION ~ 37S.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) =: 6. STREET HALFWIDTH (FEET) = 28.00 STREET CROSSFALL (DECIMAL) -.• 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF =: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) =: 7.26 STREET FLOWDEPTH(FEET) =: .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.28 PRODUCT OF DEPTH~VELOCITY = 1.27 STREETFLOW TRAVELTIME(MIN) =: 3.50 TC(MIN) =: 11.80 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.726 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.10 SUBAREA RUNOFF(CFS1 = 13.64 SUMMED AREA (ACRES) =: 9.30 TOTAL RUNOFF(CFS) =: 14.02 END OF SUBAR,EA STREETFLOW HYDRAUL I CS : DEPTH(FEET~ = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITY(FEET/~EC.). = 5.26 DEPTH~VELOCITY = 1.82 .***-!(;*********************************'*'*~**'*'******************,*,****,*,******* FLOW PROCESS FROM NODE 26.00 TO NODE 30.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««( , . ============================================================================ DEPTH OF FLOW IN 24.0 I~CH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ~LEVATION = 368.00 7.5 INCHES FLOWLENGTH(FEET) = 70.00 MANNINGS N =: .013 GIVEN PIPE DIAMETER(INCHl = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.02 TRAVEL TIME(MIN.) = .07 TC(MIN.) =: 11.87 i!'*************************************************************************** FLOW PROCESS FROM NODE 26.00 TO NODE '30.00 IS CODE = 1 -------~-~-----------~-------------------------------~----------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( ===========================~~~=========================================~==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 11.87 RAINFALL INTENSITY (INCH./HOUR) = 2.72 TOTAL STREAM AREA (ACRES) = 9.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE =: 14.02 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE 28.00 IS CODE = 2 . : .~ '. . ------;.-i------------~------:----=-?~~----------·-·----:--.. --~~~~\:~.--.. --.. ----.. ---;--'---------~.-.--- • i" ,,,_ ;:_ • .-, , " • 1 .. 1 I I .to \ .... 1 II 11.... I il,.. .. I I , ...... w· .L "'I J. I .i. i"iL... \.JJs.:.a''''jl \1':.'"'' r1l·4i-iL. .. r b 1 \.:l .••• ':" ':" •.•• ';" ============================================================================ • SOIL CLASSIFICATION 'IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET)::::: 100.0~ UPSTREAM ELEVATION::::: 393.00 DOWNSTREAt1 ELEVATION :::::'" "391. 00 ELEVATION DIFFERENCE::::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES)::::: 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) ::::: 3.420 SUBAREA RUNOFFCCFS) ::::: .38 TOTAL AREA(ACRES) ::::: .20 TOTAL RUNOFF(CFS) ::::: • 3t.~ **************************************************************************** FLOW PROCESS FROM NODE 28.00 TO NODE 29.00 IS CODE::::: 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««( =============~========================================================~===== • UPSTREAM ELEVATION::::: 391.00 DOWNSTREAM ELEVATION::::: 370.00 STREET LENGTH(FEET)::::: 700.00 CURB HEIGTHCINCHES) ::::: 6. STREET HALFWIDTH (FEET> ::::: 28. 00 STF~EET CROSSFALL (DECIMAL) ::::: .(21)0 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF::::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW{CFS1::::: 3.82 STREET FLOWDEPTHCFEET)::::: .26 HALFSTREET FLOODW1DTH(FEET) ~ 6.88 AVERAGE FLOW VELOCrTYCFEET/~EC.)::::: 3.23 PRODUCT OF DEPTH&VELOCITY ::::: .85 8TREETFLOW TRAVELTIME(MIN)::::: 3.62 TC(MIN)::::: 11.92 10 YEAR RAINFAL~ INT~NSITY(INCH/HOUR) ::::: '2~709 SOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 SUBAREA AREACACRES)::::: 4.60 SUBAREA RUNOFF (CFS) ::::: 6.85 SUMMED AREA(ACRES)::::: 4.80 TOTAL RUNOFF(CFS) = 7.23 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) ::::: .31 HALFSTREET FLOODWIDTH(FEET) ::::: 9.37 FLOW VELOCITY(FEET/SEC.) ::::: 3.63 DEPTH*VELOCITY::::: 1.14 **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE 30.00 IS CODE::::: 4 . »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««( :> > > > >US I NG USER-SPEC,I F I ED P I PES I ZEO::: <: 0::: < < ==================================~====================~==================== DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.8 INCHES PIF'EFLOW' VELOCITY'(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION::::: 368.00 FLOWLENGTH(FEET)::::: 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) ::::: 24.00 NUMBER OF PIPES::::: 1 PIPEFLOW THRU SUBAREA(CFS) ::::: 7.23 TRAVEL TIMECMIN.)::::: .08 TC(MIN.) = 12.00 **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE 30.00 IS CODE::::: 1 --------------------------------------------------------~-------------------, »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 4Il:::::~~~~~~~~=~~~:~~::::::~~~!~~~:::::~~~::~:~~:~=:!~~~~:::::~~~~:~:::::====:::::=:::::::::::::::===:::::=:::::::::::::::== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES) = 12.00 RAINFALL INTENSITY (INCH./HOUR) = 2.70 TO~~!$-' ST.R:-AM AR.~~ ': (ACRF.~?, , ~~'~~t, 4. ,Re) .' CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ----------------------------------------------~----------------------------- 1 14.02 2 7.23 11.87 12.00 2.715 2.696 • RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 21.20 21. 15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 21.20 TIME(MINUTES) 11.871 TOTAL AREA(ACRES) = 14.10 STREAMS **************************************************************************** FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE = 4 ---------~------------------------------:o-.. -------------_______ ..:;.... __ . _____ ..... O.-~_~ __ -__ > > > > >COMPUTE PI PEFLO,W TRAVEL T I ME THRU SUBAREA< -::: < -:::-::: »»>USING USER-SPECIFIED PIPESIZE««< ========================'===============:=============:============'::;:=========== DEPTH OF FLOW IN 30.0 INCH PIPE IS 12.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 21.20 TRAVEL TIME(MIN.) = 1.44 TC(MIN.) -13.31 **************************************************************************** ._::~~_~~~~:::_:~~~_~~~: ____ ~::~~_I~_~~~: ____ :~:~~_::_~~~:_: __ ~~ ___________ _ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================= SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I AL SlJBAREA FLOW-L.ENGTH (FEE·r) = 1 ()(). ()() UPSTREAM ELEVATION = 377.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRESJ = .20 TOTAL RUNOFF (CFS) = .38 *****************************************************************~********** FLOW PROCESS.FROM NODE 32.00 TO NODE 33.00 IS CODE = 6 ____________________________________ M ________________________________ ~ ______ _ :::-:::->:::-:::-COMPUTE STREETFLOW TRAVEL TI ME nmu SUBAREA< -::: -::: <:-::: ==============:===============~====================================~========= J' • UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 372.00 STREET LENGTH(FEET) = 5ao.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CRDSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -1.61 STREET FLOWDEPTH(FEE~) = .26 HALFSTREET FLODDWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.36 PRODUCT OF DEPTH&VELOCITY = .36 STREETFLOW TRAVELTIME(MIN) = 7.09 TC(MIN) = 15.39 J ", .' ~~ ': ,r r----------------------------------------------------i"'I?iU";::; I r·~i::l::. i I'" LUUi.JW J.lJ I H (t·· i::1::. r j "'" b. t:H::i AVERAGE FLOW VELOCITY(FEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = . 1.20 STREETFLOW TRAVELTIME(MIN) = 6.94 TC(MIN) = 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.311 SOIL CLASSIFICATION IS "Oil 15.24 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 . SUBAREA AREA(ACRES) = 1.60 SUBAREA RUNOFF(CFS) = 2~03 • SUMMED AREA (ACRES) = 1.80 TOTAL RUNOFF(CFS) = 2.41 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 FLOW VELOCITY(FEET/SEC.) = 1.42 DEPTH*VELOCITY = .42 **************************************************************************** FLOW PROCESS FROM NODE 36.00 TO NODE 37.00 IS CODE = 4 ---------------------------------------------------------------~------------»»>COMF'UTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================: DEPTH OF FLOW IN 18.0 INCH PIP.E IS ·3. <) INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.7 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = ~63.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) = 2.41 TRAVEL TIME(MIN.) = .07 TC(MIN.) = 15.31 ***.*************************** .. *************'*****************************.***.* FLOW PROCESS FROM NODE 36.00 TO NODE 37.00 IS CODE = 1 ---------------------------------------------------------------------------- • »»>DESIGNATE INDEPENDENT·.8TREAN FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ===============================================================~=========~== CONFLUENtE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TINE OF CONCENTRATION(MINUTES) = 15.31 RAINFALL INTENSITY (INCH./HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STF~EAM RUNOFF (CFS) AT CONFLUENCE = 2. 41 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) -------------------~-----------------------~----.---------------~-----------~ 1 2 2.78 2.41 15.49 15.31 2.287 2.3()5 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5.17 5.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 5.17 TIME(MINUTES) = 15.488 TOTAL AREA(ACRES) .= .3.90 **************************************************************************** , FLOW PROCESS FROM NODE 37.00 TO NODE 200.00 IS CODE = 4 .------------------------------------------------------------------.,..---------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>U8ING USER-SPECIFIED PI~ESIZE««< ================================~======~===================================== DEPTH OF FLOW IN 24.0 INCH PIPE IS >:. 1 J:o Tl7'J::"F-1 1'1'" UJ::"I nr T TV I t;'.CCT Iocr ,.... 1 ,-, "7 ;1; ~:'. . . ' -' .' . ;,-=, .~~ (' !~ . " I...W;.;; I t·\t::.j-·il'i I-lUUt:. t::.I..I::.VH I 1 UI\I .::.: DOWNSTREAM NODE ELEVATION :::: FLOW LENGTH (FEET) :::: 475.00 GIVEN PIPE DIAMETER(INCH) :::: PIPEFLOW THRU SUBAREA(CFS) TRAVEL TIME(MIN.):::: .74 .::., i 1 • i)\} 340.00 MANNINGS N = .013 24.00 NUMBER OF PIPES :::: 5.17 TC(MIN.):::: 16.22 1 • *****************************.************.***************-*******************.* FLOW PROCESS FROM NODE 37.00 TO NODE 200.00 IS CODE:::: 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ================================================================~=========~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) :::: 16L22 RAINFALL INTENSITY (INCH./HOUR):::: 2.22 TOTAL STREAM AREA (ACRES) = 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 5.17 **************************************************************************** FLOW PROCESS FROM NODE 38.00 TO NODE 39.00 IS CODE = 2 ------------------------------------------------------------~---------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====::::====================::::::::=~=::::::::::::::::=::::==::::===~::::=====::::=::::======================== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION:::: 357.00 DOWNSTREAM ELEVATION:::: 354.00 ELEVATION DIFFERENCE:::: 3.00 URBAN SUBAREA OVERLAND TIME -OF FLOW(MINUTES):::: 7.978 .*CAUT J ON: SUBAREA SLOF'E EXCEEDS COUNTY NOMOGRAPH • DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED • 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.509 SUBAREA RUNOFF(CFS) :::: .39 • TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) = .39 **************************************************************************** FLOW PROCESS FROM NODE 39.00 TO NODE 40.00 IS CODE = 6 ------------------------------------------------------------------------------- »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===========================================================================~ UPSTREAM ELEVATION:::: 354.00 DOWNSTREAM ELEVATION:::: 350.00 STREET LENGTH(FEET):::: 500~00 CURB HEIGTH(INCHES) :::: 6. STREET HALFWIDTH(FEET} :::: 28.00 STREET CROSSFALL(DECIMAL) :::: .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS):::: 5.17 STREET FLOWDEPTH(FEET):::: .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 ·AVERAGE· FLOW VELOCITY(FEET/SEC.) = 1.94 PRODUCT OF DEPTH&VELOCITY :::: .67 STREETFLOW TRAVELTIME(MIN) ~ 4.30 TC(MIN):::: 12.27 10 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 2.657 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES):::: 6.40 SUBAREA RUNOFF(CFS):::: -9.35 SUMMED AREACACRES):::: 6.60 TOTAL RUNdFF(CFS) :::: 9.74 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) :::: .40 HALF STREET FLOODWIDTH(FEET) :::: 13.51 FLOW VELOCITY(FEET/SEC.) :::: 2.51 DEPTH*VELOCITY:::: .99 J. l) '( 1:..1"'11'\ 1'\1-1 J. j\lj'" riLL J. bll i:::.1\lO 1 I y \ 1 l\iL.:HI r'1UUH j:::: ..:::. '.i.~1 / SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.90 SUBAREA RUNOFF (CFS) = 2.40 SUMMED AREA(ACRES) = 2.10 TOTAL RUNOFF(CFS) = 2~78 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .30 HALF STREET FLOODWIDTH(FEET) = 8.~4 FLOW VELOCITY(FEET/SEC.):::: 1.64 DEPTH*VELOCITY = .49 ~****'*.****************************.***'*.*************************~*.*********** FLOW PROCESS FROM NODE 33.00 TO NODE 37.00 IS CODE = 4 --------------------------------~-----------------------------------------~-»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ==========================================================*================= DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.8 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLOWLENGTHCFEET) = 70.00 MANNINGS N:::: .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 2.78 TRAVEL TIME(MIN.) = .10 TC(MIN.) = 15.49 **************************************************************************** FLOW PROCESS FROM NODE 33.~b TO NODE 37.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============::::::::==~=====================================::::======::::====~======::::~:::: • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) :::: 15i49 RAINFALL INTENSITY (INCH./HOUR) = 2.29 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 2.78 **************************************************************************** FLOW PROCESS FROM NODE J4.00 TO NODE 35.00 IS CODE = 2 --------------------------------------------------------~------~------------»»)RATIONAL METHOD INITIA~ SUBAREA ANALYSIS««( =========~============================:====~=~=================~============~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 376.06 DOWNStREAM ELEVATION = "374.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNQFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .38 **************************************************************************** FLOW PROCEsS FROM NODE j5.00 TO NODE 36.00 IS CODE ~ 6 - »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 4111=~;';;~~~~=~:~~~;7;~=:====;;;~~~===~;~~;;~~~~=~~~~~;~~~=:====;;;~~b====*==== STREET LENGTH(FEET) = 500.00 CURB HEIGTH(INCHES) :::: 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLWECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAvELTIME COMPUTED USING MEAN FLOW(CFS) = 1.42 ~TR~~T ~I nwn~PTU(~~~T' =?~ ~ , . .'. . -,.' ,',: ~:~'~".#.::::.'~;;/~lf~~~:·::.:_'" ... :·"i.;!..' " .. : .~ ..•. , ./,', ~ · ... ;·.,~ . .;;{:: •. ;..~:)r:.~~ ... :·~.:>.'f~·'.':':;-:~.:-.. ~:", _ ,,',' 40. (AI 'I U I\jUDE 200.00 18 CUD!::: ::::: »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::::: 9.2 UPSTREAM NODE ELEVATION::::: 351.00 DOWNSTR~AM NODE ELEVATION::::: 350.00 • FLOWLENGTH (FEET)::::: 40. 00 MANN I NGS N::::: . 013 GIVEN PIPE DIAMETER(INCH)::::: 18~00 NUMBER OF PI·PES::::: 1 PIPEFLOW THRU SUBAREA (CFS) ::::: 9.74 TRAVEL TIME(MIN.)::::: .07 TC(MIN.) = 12.35 **************************************************************************** FLOW PROCESS FROM NODE 40.00 TO NODE 200.00 IS CODE::::: 1 ----------------------------------~----------------~-----------------.----~--»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: T1ME OF CONCENTRATION(MINUTES)·::::: 12.35 RA~NFALL, INTENSITY (INCH./HOUR)::::: 2i65 TOTAL STREAM AREA (ACRES)::::: 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE::::: 9.74 **************************************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE 42.00 IS CODE::::: 2 ----------------------------------------------------------------------------»»)RATIDNAL METHOD INITIAL SUBAREA ANALYSIS««< =====================================================================~=~==== • , SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 365.oq DOWNSTREAM ELEVATION = 363.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.199 10 YEAR RA.INFALL INTENSITY (INCH/HOUR) ::::: 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA (ACRES) .-: ..• 2(~) TOTAL RUNOFF (CFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 ---------------------~-------------------------------------------------~----~ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUSAREA««< ============================================================================= • UPSTREAM ELEVATION = 363.00 DOWNSTREAM ELEVATION = 343.<)<) STREET LENGTH(FEET) = 6<)<).00 CURB HEIGTH(INCHES) ::::: 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTlME COMPUTED USING MEAN FLOW(CFS) = 1.42 STREET FLOWDEPTH(FEET) = .20 HALFSTREET FLOODWIDT~(FEET) = 3.57 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.88 PRODUCT OF DEPTH&VELOCITY = .57 STREETFLOW TRAVELTIME(MIN) = 3.47 TC(MIN) = 11.77 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.730 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMSNT RUNOFF COEFFICI£NT = .5500 SUBAREA AREA(ACRES) = 1.40 SUBAREA'RUNOFF(CFS) = SUMMED AREA(ACRES) = 1.60 TOTAL RUNOFF(CFS~ = r.::""-!~:~. ~r-, :'1 t.r'.I\r."I~I\. 1.'" '.~ S.Tr ... r":"r-':"r::;' ,'''''.: .. ,.,1'.\4~'f\r::'''' 1.1: ,T r"\~ .. " .,'. 2.10 2.48 . ';', } , .. "\ ,; } .. J t:.:.r , 1 rl ... j' L:..t.." i l ..... .. L· .. :' FLOW VELOCITY(FEET/SEC.) = 3.17 DEPTH*VELOCITY = .73 • *********************************.******************************************* FLOW PROCESS FROM NODE 43.00 TO NODE 200.00 IS CODE = 4 _ .. _-------------_ .. _----------------;-----------------------------------------~-.... - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .=~~;~~~~;~;~~=:;~::;;~~!;~~~!;~;~:;~~:::~:=7~~~~~===================~====== . PIPEFLOW VELOCITY(FEET/SEC.) = . 7.1 UPSTREAM NODE ELEVATION = 348.00 DOWNSTREAM NODE ELEVATION = 347.00 FLOWLENGTH(FEET) = 30.00 MANNINGS ~ = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) = 2.48 TRAVEL 1IM~ (MIN.) = .07 TC (MIN.) = . 11.84 ,*.*****************************************************.************.********** FLOW PROCESS FROM NODE 43.00 TO NODE 200.00 IS CODE = 1 _______________________________________________________ ~-~---~M----~----~---- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =====================================================================~====== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 AR~: TIME OF CONCENTRATION(MINUTES) = 11.84 RAINFALL INTENSITY (INCH./HOUR) = 2.72 TOTAL STREAM AREA (ACRES) = 1.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -2.48 CONFLUENCE INFORMATION: STREAM RUNOFF. TIME INTENSITY • NUMBER (CFS) (MIN.) (INCH/HOUR) --------------------------------~-----~--------------------------------~---- • 1 5.17 16.22 2.220 2 9.74 12.35 2.647 2.48 11.84 2 .. 72() RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 15.36 16.49· 16.18 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 16.49 TIME(MINUTES) = 12.347 TOTAL AREA(ACRES) = 12.10 ***********************************************~**************************** FLOW PROCESS FROM NODE' 200.00 TO NODE 44.00 IS CODE = 4 ----------------------_._--------------------_ ..... _---------":!" .... -----------------:--- »»>COMPUTE PIPEFLOW TRAVELtIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION = 348~00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIfEFLOW THRU SUBAREA(CFS) = 16.49 TRAVEL TIME(MIN.) = .08 TC(MIN.) = 12.43 1 **************************************************~*****************~******* ~ ~ "I.f;\!~" T r. ~l"\T\~ -t \ ( , ;. ;.~:. . . __ o_t:.i.d..I..l.c.Lt.I~l,;.~o.;;.....t:ol'W-lJ.J_...Nj.,/_;.a:. __ .....;a..UU.I..o.o __ LU....t>JO.v.t::.. ____ !:t_'t_LO.()_..k..~....c:..u..Ut:...::-___ J _______ o __ -..,..--- »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================~~==========~=================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.43 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 12.0 10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16.49 '**************************0*0************************************************ FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE = 7 ----~-----~-------------------~---------------------------------------------»»)USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 11.87 RAIN INTENSITY (INCH/HOUR) = 2.72 TOTAL AREA (ACRES) = 14.10 TOTAL RUNOFF(CFS) = 21.20 **************************************************************************** FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE = 1 --------------------------------------------------~-------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ====================================================~=========~============= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 11.87 RAINFALL INTENSITY (INCH./HOUR) = 2.72 TOTAL STREAM AREA (ACRES) = 14.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 21.20 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITy • NUMBER (CFS) (MIN.) (INCH/HOUR) --------------------------------------~-~-~-------------------------------- 1 16.49 12.43 2.636 2 21.20 11.87 2.715 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED ~OR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 37 • 06 307 • 20 COMPUTED CONFLUENCE -'TIMATES ARE AS FOLLOWS: RUNOFF (CFS) = TIME(MINUTES) = 11~870 TOTAL AREA (ACRES) 472?;'~2~P?/l/# //l/TE,/!?$£'"C77#N .A -A GT. / A 67: **************************************************************************** FLOW PROCESS FROM NODE 44.00 TO NODE 201.00 IS CODE = 4 ---------------------------------------------------------------~------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 36.0 INCH PIPE IS 15.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::: 13.1 UPSTREAM NODE ELEVATION::: 342.00 DOWNSTREAM NODE ELEVATION = 332.00 FLOWLENGTH(FEET)::: 375.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) = 37.20 TRAVEL TIME (MIN.) = .48 TC (NIN·.)::: 12.35 1 ******************************************************************~********* FLOW PROCESS FROM NODE 44.00 TO NODE 20~~QP IS CODE = 1 ~ " '::. .... , .... ......... ,:' ••...... J.Ji:::.~J J. L:J1~r-1 I t::. .l {\lLJi:::.I-'I:::.I\Il.Jl:::.hn 0 i 1-<EHI'~1 HJF< CU!'\lFLUEl\lCE< < «< ===========================~===========================~==================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE:' TIME OF CONCENTRATION(MINUTESl = 12.35 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 26.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 37.20 e**************************************************************************** FLOW PROCESS FROM NODE 45. 00 TO NODE, 46. 00 I SCODE = 2, e '. --------------------------------------------~-------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========================~================================================= SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .550Q INITIAL SUBAREA FLOW-LENGTHfFEET) = 100.00 UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = 345.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSIty (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .38 '*.*******~******~*********'l!'~*~.*********************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 47.00 IS CODE =. 6 ----------------------------------------------------~-----------------------::.) > > >COMPUTE STREET FLOW TRAVEL T I ME THRU SUB'AREA< -::: -< <-< ============================================================================ UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = ~ ..... ~ ..... . ::, •. ;:,..::,..00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 10.99 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.23 3.55 STREETFLOW TRAVELTIME(MIN) = 2.82 TC(MIN) = 11.12 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.833 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 4.71 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 8.73 SUMMED AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 9.10 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) = .42 'HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 4.09 DEPTH*VELOCITY = 1.70 .0200 **************************************************************************** FLOW PROCESS FROM NODE 47.00 TO NODE ~OI.00 tSCODE = 4 -------------~--------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<-«« »»>USING USER-SPECIFIED PIPESIZE««-< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.1 UPSTREAM NODE ELEVATION = 316.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTH(FEET) = 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA (CFS) = 9.10 -TRAVEL -TIME(MIN.) = ... 03 TC(MTN.)... 11~ 14 . :. 1 ****************************************************************~*********** FLOW PROCESS FROM NODE 47.00 TO NODE 201.00 IS CODE = 1 -----------------------------------------------------------~----------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ====~=========================================================~===~========== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 11.14 • RAINFALL INTENSITY (INCH. n-IOUR) = 2.83 TOTAL STREAM AREA (ACRES) = 5.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.10 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 2 37.20 9.10 12.35 11. 14 2.647 2.828 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: "45.72 43.92 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 45.72 TIME(MINUTES) = 12.345 TOTAL AREA(ACRES) = 32.00 **************************************************************************** FLOW PROCESS FROM NODE 201.00 TO NODE 48.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU 8UBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ======================~====================================================== • DEPTH OF FLOW IN 36;.0 INCH 'PIPE IS 15.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.5 UPSTREAM NODE ELEVATION = 316.00 DOWNSTREAM NODE ELEVATION = 307.0() FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 GIVEN P~PE D I At1ET~R ( I NCH ~ = 36. <)0 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 45.72 TRAVEL TIME(MIN.) = .27 TC(MIN.) = 12..61 **************************************************************************** FLOW PROCESS FROM NODE 201.00 TO NODE 48.00 IS CODE = 1 -------------------------------~----------.---------------~-------------~--~-»»>OESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.61 RAINFALL INTENSITY (INCH./HOUR) = 2.61 TOTAL STREAM AREA (ACRES) = 32.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 45.72 **************************************************************************** FLOW PROCESS FROM NODE 202.00 TO NODE 49.00 IS CODE = 2 -----------------------------------------------------,---------"--:0--.:.------------ ~=:::~:~~!!~~~~=~:!~~~=!~!!!~:=:~~~~:~=~~~~~:!:~~~~~======================== . SOIL CLASSIFICATION IS IID" . SINSLE FAM1LY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) .~ 100.00 . . DOWNSTREAM ELEVATION = 341.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 16 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .38 •****************************************'~H('**************'*'****************** FLOW PROCESS FROM NODE 49.00 TO NODE 50.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =======================================~===================~================ UPSTREAM ELEVATION = 341.00 DOWNSTREAM ELEVATION = 306.00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 24.DO STREET CROSSFALLtDECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.47 STREET FLOWDEPTHCFEET) = .28 ( HALFSTREET FLOODWIDTH(FEET) = ,7.48 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.64 PRODUCT OF DEPTH&VELOCITY = 1.01 STREETFLOW TRAVELTIME(MIN) = 4.57 TC(MIN) = 12.87 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.577 SOIL CLASSIFICATION IS "D" SINGLE FAl"lIL.Y DEVELOPMENT RUNOFF COEFFICIENT = • 5.5(10 SUBAREA AREACACRES) = 2.90 SUBAREA RUNOFFCCFS) * 4.11 SUMMED AREA(ACRES) = 3.10 TOTAL RUNOFF(CFS) =' 4.49 END OF SUBAREA STREETFLOW HYDRAULICS: ' DEPTH (FEET) = .32 HALFSTREET FLOODWIDTH(FEET) , = 9.59 FLOW VELOCITY(FEET!SEC~) = 4.33 DEPTH*VELOCITY = 1.38 e *************************************************************************** FLOW PROCESS FROM NODE 50.00 TO NODE 48.00 IS CODE = 4 ------------------------------------------------------------------------~---»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =====~=======================================~============================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 UPSTREAM NODE ELEVATION = 306.00 DOWNSTREAM NODE ELEVATION = 304.00 FLOWLENGTH(FE~T) = 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.49 TRAVEL TIME(MIN.) = .03 TC(MIN.) = 12.91 **************************************************************************** FLOW PROCESS FROM NODE 50.00 TO NODE 48.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««(. ~. ==========================~==~============================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MI~UTES) = 12.91 RAINFALL INTENSITY (INCH./HOUR) = 2.57 TOTAL STREAM AREA (ACRES) = 3.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.49 CONFLUENCE INFORMATIONl STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) J .... ~''''''..1. ' . &: '. , 1 2 4.49 12.61 12.91 2.011 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.14 49.54 COMPUTED CONFLUENCE ~sTIMATES ARE AS FOLLOWS~ RUNOFF (CFS) = 50.14 TIME (MINUTES) = 12.614 • TOTAL AREA (ACRES) = 35. 10 **************************************************************************** FLOW PROCESS FROM NODE 48.00 TO NODE 127.00 IS CODE = 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ===================================~====:==================================== DEPTH OF FLOW IN 36.0 INCH PIPE IS 17.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.8 UPSTREAM NODE ELEVATION = 305.00 DOWNSTREAM NODE ELEVATION = 302.00 FLOWLENGTH(FEET) = . 100.00 . MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREAtCFS) -50.14 TRAVEL TIME(MIN.) = .11 TC(MIN.) = 12.73 **********'**********,*******'**********.*******************,*.****~ **.************ FLOW PROCESS FROM NODE 48.00 TO NODE 127.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUE'NCE««< =====================~====================================~======~==~======== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (M1NUTES) =' 12.73 • RAINFALL INTENSITY (INCH./HOUR) = 2.60 TOTAL STREAM AREA (ACRES) = 35.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.14 **************************************************************************** FLOW PROCESS FROM NODE 125.00 TO NODE 126.00 IS CODE = 2 -----------------------~----------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================= SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.03(MINUTES) INITIAL SUBAREA FLOW~LENGTH(FEET) -800.00 UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = 301.00 ELEVATION DIFFERENCE = 46.00 10 YEAR RAINFALL INTENSITY (INCH/HOUR) -2.438 SUBAREA RUNOFF(CFS) = 1.54 TOTAL AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) ~ 1.54 **************************************************************************** FLOW PROCESS FROM NODE 126.00 TO NODE 127.00 IS CODE = 1 .-;;;;;~~~~~~~~~~-~~~~;.~~~~~~.~~~~~~~.-~~~-~~~~~~~~~~~~~~~-.---~----.------------ »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ======================================================================~===== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATIqN(MINUTES) -14.03 '.:"! ..... : •• ,.,.. j":£ . .::: 2 ARE: •• I'!. i II I 11.",to.. • .. I I ! !.._. \' __ .j. 1 i •. 1. I .\ 'M'-: j .... I :'1-•... _. I • J .k •• 1\ I I' TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 1.54 CONFLUE'NCE I NFORMAT I ON: STREAM RUNOFF TIME INTENSITY NUMBEF< (CFS) <t1IN.) <INCH/HOUR) _ .. _---------------_ .. _---------------------------------------_._-_ .. _ .. _--_ ...... -..... _----_ .... • 1 2 50.14 1.54 12.73 14.03 2.596 2. 43c1 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONPLUENCED RUNOFF VALUES ARE AS FOLLOWS: 51. 58 48.62 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = (21.5]) TIME (MINUTES)::: 12.72.7 TOTAL AREA(ACRES) 7" 36.50 " . C. EN'£> 1::7):: S7P'Jf?# P~A/.A/ ~ T~ S r~Ee 7; 6"Ee:-5"t./T...f. t::?,P' /#,P. r:=='~,4N **********************************************'****************************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE ~ 5 -------------------------------------------------------------------------~--»»)COMPUTE TRAPEZOIDAL~CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««< =================================================================:=========== UPSTREAM NODE ELEVATION::: 260.00 DOWNSTREAM NODE ELEVATION::: 125.00 CHANNEL LENGTH THRU SUBAREA(FEET) ::: 2000.00 CHANNEL BASE(FEET)::: 3.00 "I" FACTOR:::: 2.000 MANNINGS FACTOR::: .035 MAXIMUM DEPTH(FEET)::: 10.00 CHANNEL FLOW THRU SUBAREA(CFS)::: 51.58 FLOW VELOCITY(FEET/SEC)::: 8.87 FLOW DEPTH(FEET):::: 1.11 TRAVEL TIME(MIN.):::: 3.76 TC(MIN.):::: 16.49 • ****~**********************************.***************************.********** FLOW PROCESS FROM NODE 204.00 TO NODE 205~00 IS CODE = 2 •• -----------~---------------------------------------------~------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION:::: 444.0Q DOWNSTREAM ELEVATIdN :::: 442.00 ELEVATION DIFFERENCE::: 2.00 WRBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES):::: 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) :::: 3.420 SUBAREA RUNOFF(CFS) ::: .38 TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) :::: .38 **************************************************************************** FLOW PROCESS FROM NODE 205. 00 TO NODE 51 • 00 I S CODE::; (';) ----------------------------------------------------------------~----------~ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =========================================================================~=== UPSTREAM ELEVATION:::: 442.00 DOWNSTREAM ELEVATION:::: 414.00 STREET LENGTH(FEET):::: 750~00 CURB HEIGTHCINCHES) ::: 6. STREET HALFWIDTHCFEET) :::: 24.00 STREET CROSSFALL{DECIMAL) :::: .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 1 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) :::: 7.41 STREET FLOWDEPTH(FEET)' = .36 ,HALFSTREET FLOODWIDtH(FEET) = 11.70 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.98 PRODUCT OF DEPTH~VELOCITY -1.80 _0:;"""'-"':--_0_., ....... .-.--. ~.-•• _ :--'_'r ... -... " ~I,-· .. ··~t~l, j' - • 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.885 SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.80 SUBAREA RUNOFF(CFS) = 13.96 SUMMED AREA(ACRES) = 9.00 TOTAL RUNOFF(CFS) = 14.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .44 HALF STREET FLOODWIDTH(FEET) = 15.91 FLOW VELOCITY(FEET/SEC.) = 5.41 DEPTH*VELOCITY = 2.40 *******.********************************************************************')(0 FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS CODE = 4 ------------...... --------------.. ---~--.:.-.. -------.. -.. -----------------"'""!'---_ ..... -----------_ .. »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.Y = 14.1 UPSTREAM NODE ELEVATION = 400~00 DOWNSTREAM NODE ELEVATION = 364.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE OIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.34 TRAVEL TIME(MIN.) = .71 TC(MIN.) = 11.52 **************************************************************************** FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS CODE = 1 -----------------------------------------~----------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==========================================================================:== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.52 RAINFALL INTENSITY (INCH./HOUR) = 2.77 TOTAL STREAM AREA (ACRES) = 9.00· TOTAL STR~AM RUNOFF(CFS) AT CQNFLUE~CE = 14.34 **************************************************************************** FLOW PROCESS FROM NODE 52.00 TO NODE . 53.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 377.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF~CFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE = 6 ----------------------------------------------------------------------------.4Il=~~~~~~~~=~!:=~!~::!~;~~=!~~~:;!!~:=!~~~=~~~~~:~~~~~~====================== UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 365·.00 STREET LENGTH (FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSS FALL (DECIMAL) = .0200 SPECIFIED_~~~~E~_~~ ~~~~STREETS CARRYING RU~9FF = 2 :~r.jf:' , .. , .:.~~~~" " ... ~..... ..' -..'.~ .~,;~~!~;~.. i:~~ • STREET FLOWDEPTH(FEET) = .31 HALFSTREET FLOOPWIDTH(FEET) = 9.37 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.59 PRODUCT OF DEPTH&VELOCITY = .81 STREETFLOW TRAVEL TIt1E (MIN) == 4. 19 Te (MIN) = 12.48 10 YEAR RA1NFALL INTENSITY (INCH/HOUR) = 2.628 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUNDFF(CFS) = 9.40 SUMMED AREA(ACRES) == 6.70 TOTAL RUNOFF(CFS) == 9.77 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) == .36 HALF STREET FLOODWIDTH(FEET) == 11.8~ FLOW VE~OCITY(FEET/SEC.),~ ,~.21 DEPTH*VELOCITY == 1.17 **************************************************************************** FLOW PROCESS FROM NODE 54.00 TO NODE 55.00 IS CODE == 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ====================================================================~========================================~============ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 8.4 UPSTREAM NODE ELEVATION == 365.00 DOWNSTREAM NODE ELEVATION == 364.00 FLOWLENGTH(FEET) == 50.00 MANNINGS N == .013" GIVEN PIPE DIAMETER{INCH) == 18.00 NUMBER OF PIPES == 1 PIPEFLOW THRU SUBAREA (CFS) == 9.77 TRAVEL TIME(MIN.) == ".10 TC(MIN.) == 12.58" **************************************************************************** . FLOW PROCESS FROM NODE 54.00 TO NODE 55.00 IS CODE = 1 •-------------------------------------------------------_ .... _-------------------- »»)DESIGNATE "INDEPENDENT STREAM FO~ CONFLUENCE««< ' . »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =======================================:===========~========================= CON~LUENCE VALUES USED FOR INDEPEND~NT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) == 12.58 RAINFALL INTENSITY (INCH./HOUR) == 2.62 TOTAL STREAM AREA (ACRES) == 6.70 TOTAL STREAM RUNOFF(CFS) "AT CONFLUENCE -9.77 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 2 14.34 9.77 11.52 12.58 2.769 2. 61!:S RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 23.57 23.32 COMPUTETh CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) == 23.57 TIME(MINUTES) -11.518 TOTAL AREA(ACRES) == 15.70 •-*************************************************************************** . FLOW PROCESS FROM NODE 55.00 TO NODE 133.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==~~:~~===========~======~=~==~=~~============r~~~~"f,~,~~,=======~===========~~~~== . ,~~; :~~ , i: ~~,~~' . . "f' .-:" ' PIPEFLOW VELOCITY(FEET/SEC.) = 18.0" UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 333.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) = 23.57 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 11.84 .********~*******"-**~******~*~*~********************************************* FLOW PROCESS FROM NODE 55.00 TO NODE 133.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION (MINUTES) = 11.84 RAINFALL INTENSITY· (INCH./HOUR) = 2.72 TOTAL STREAM AREA (ACRES) = 15.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.57 **************************************************************************** FLOW PROCESS FROM NODE 220.00 TO NODE 221.00 IS CODE = 2 ----------------------------------------------------------------------------)-> ~:. > >RAT I ONAL t1ETHOD IN I T I AL SUBAREA ANAL YS I SO::: < < < < ====================================================~======================~ • SOIL CLASSIFICATION IS IID" SINGLE FAMILY. DEVELOPMENT RUNOFF COEFFICIENT = r5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.DO UPSTREAM ELEVATION = 390.00 DOWNSTREAM ELEVATION" = 376,00 ELEVATION DIFFERENCE = 14.00 URBAN SUBAREA OVERLAND ,TIME OF FLOW(MINUtES) -9~074 *6AUTION: SUBAREA SLOPE EXCEEDS COUNTY NQMO~RAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.229 SUBAREA RUNOFF(CFS) = .36 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .36 **************************************************************************** FLOW PROCESS FROM NODE 221.00 TO NODE 222.~O IS CODE = 6 --------~-----------------.-------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ====================================================================~======= UPSTREAM ELEVATION = 376.00 DOWNSTREAM ELEVATION = 335.00 STREET LENGTH (FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF =' 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 5.00 STREET FLOWDEPTHtFEET) = .30 HALF STREET FLOODWIDTH(FEET) = 8.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.51 PRODUCT OF DEPTH&VELOCITY = 1.68 STREETFLOW TRAVELTIME(MINl = 1.81 TCCMIN) = 10.89 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.871 SOIL CLASSIFICATION' IS 110" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 • SUBAREA AREA(ACRES) = 5.90 SUBAREA RUNOFF(CFS) = 9.32 SUMMED AREA(ACRES) = 6.10 TOTAL RUNOFF(CFS) = 9.67 END OF SUBAREA STREETFLOW HYDRAULICS: OEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.70 FLOW VELOCITY(FEET/SEC.) = 6.51 DEPTH*VELOCITY = 2.34 ",.:' ";.~"", **************************************************************************** FLOW PROCESS FROM NODE 222.00 10 NODE 133.00 IS CODE == 4 ______ ..:..._~ _____________ -___________ • ____ .. ____________________ -"'.:..: ... ~ _______ -io ______ _ > > > > >CO~lPUTE P I.F'EFLOW TRAV,ELT I t-1E THRU SUBAREA< < < < < »»>USING USER-SPECIFIED PIPESIZE««< =============================================================================' DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) ::: 8.4 • UPSTREAM NODE ELEVATION == 335.00 DOWNSTREAM NODE ELEVATION -334.00 FLOWLENGTH(FEET) -50.00 t1ANNINGS N --.013 GIVEN PIPE DIAMETER ( INCH) == 18.00 NUMBER OF PIPES --1 PIPEFLOW THRU SUBAREA (CFS) = 9.67 TRAVEL TII'lE (MIN. ) = .10 TC(MIN.) = 10.99 **************************************************************************** FLOW PROCESS FROM NODE 222.00 TO NODE 133.00 IS CODE = 1 --------------------------------~-------------------------------~-----------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOU6 CONFLUENCED STREAM VALUES««< =====================================================~====================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.99 RAINFALL INTENSITY (INCH./HOUR) == 2.85 TOTAL STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFFCCFS) AT CON~LUENCE ::: 9.67 CON~LUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY ," NUt-1BER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- • 1 23.57 9.67 11.84 10.99 2.72(; 2.854 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 32.79 COMPUTED CONFLUENCE EST It'IATES' ARE: AS FOLLOWS: 2 STRE?\MS RUNOFF (CFS)::: 02.7V TIt-1E (MINUTES) = 11.842 TOTAL AREA (ACRES) ..::: / 21.80 . _ /' ~J / / /. -r'" /'n) , <-6.0. /N/ce"5EC7/t:J/V BET@EE/V A-A ~>. J' L/.6: . **************************************************************************** FLOW PROCESS FROM NODE 133.00 TO NODE 59.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECI~IED PIPESIZE««< ==============================~================================~============ DEPTH OF FLOW IN 24.0 tNCH PIPE IS 16.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 331.00 DOWNSTREAM NODE ELEVATION = 315.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMaER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 32.79 TRAVEL TIME(MIN.) = .54 TC(MIN.) = 12.38 e**-lE"****************************************-lE"**************-lE"**************** FLOW PROCESS FROM NODE 133.00 TO NODE 59.00 IS CODE = 1 ----------------------------------------------------------------~-----------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ::::============================='=================:;::===:::::==============-====;::======= • , ••• ". ~ .. 1 'I ,I , .l.. • 1'1....1 I (. ... , ..... RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 21.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.79 **************************************************************************** FLOW PROCESS FROM NODE 56.00 TO NODE 57.00 IS CODE = 2 -----------------------------------------------------~----------------------4It==~~~~~~~!!~~~:=~~!~~~=!~!!!~~=:~~~~~~=~~~~~~!::~~~~====~=================== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT lAL_ SUBAREA FLOW-LENGTH (FEET) = 1 (tC) • ()() UPSTREAM ELEVATION ~ 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCHJHOUR) = 3.420 SUBAREA RUNOFFCCFS) = .38 TOTAL AREA(ACRES) = ~20 TOTAL RUNOFF(CFS) = .38 **************************************************************************** FLOW PROCESS FROl'1 NODE 57. 00 TO NODE 58. 00 I S CODE = '" -----------------------------------------------------------------------~----»»>COMPUTE STREET FLOW TRAVELTIM~ THRU SUBAREA««< ======================~===================================================== 4It UPSTREAM ELEVATION = 359.00 DOWNSTREAM ELEVATION = 315.00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.86 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = . 6.88 AVERAGE FLOW VELOCITY{FEET/SEC.) = 4.10 PRODUCT OF DEPTHLVELOCITY = .. ' 1LOa STREETFLOW TRAVELTIME(MIN) = 4.06 TC(MIN) = 12.36 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.645 SOIL CLASSIFICATION IS "0" SiNGLE ~AMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFFCCFS) -e.81 SUMMED AREAtACRES) = 6.30 TOTAL RUNOFFCCFS) = 9.25 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 FLOW VELOCITY(FEET/SEC.) = 4.65 DEPTH*VELOCITY = 1.46 **************************************************************************** FLOW PROCESS FROM NODE 58.00 TO NODE 59.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED P1PESIZE««< ========================================================~==================== • DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 9.0 UPSTREAM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATION = 321.00 FLOWLENGTH (FEET) .= 40. ()().. MANNINGS N = • 01~5 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 9.25 TRAVEL TIME (MIN.) = .07 TC (MIN.) = 12.44 1 **************************************************************************** .. -,[L':{'\ ~ .,:' .",. -,'" I'-:~"', " .>,; y, " , ~ :','.:: ~,~{' . , : :.;; '; ..... _ .. __ .-_. __ .. __ . __ .. __ ..... _ .. _--.. ------------_ .. .;.---_ ..... _--_ .. _-_ .. _ .. -.. ---_._-.. -----_ .. _-------_ .. __ ..... _-----_ .. »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===================================:!:::::===============================,======== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MI~UTES) = 12.44 RAINFALL INTENSITY (INCH./HOUR) = 2.63 TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.25 • **************************************************************************** FLOW PROCEss FROM NODE 60.00 TO NODE 61.00 IS CODE = 2 ----------------------------------------------------------------------~-----»»)RATIONAL METHOD INITIAL SUSAREA ANALYSIS««< =============================================================,=============== SOIL CLASSIFICATION IS ItD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 347.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) -.38 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CF8) = .38 **************************************************************************** FLOW PROCESS FROM NODE 61.00 'TO NODE 62.00 \18 CODE = 6 ----.. -.. ----.--~--.. ---------------------------.. --.---------------------------------- »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =================~========================================================== • UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = 318.00 STREET LENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 6 • STREET HALFWIDTH (FEET) = 28.00 STREET CROSSFALL <DEC It1AL) = • 02(H~) S~ECIFI~D NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.98 STREEt FLOWDEPTH(FEET) = .21 HALFSTREET FLOODvJ I DTH (FEET) = 4. 40 AYERAGE FLOW VELOCITY(FEET/SEC.) = 3.1B PRODUCT OF DEPTHLVELOCITY = .68 STREET FLOW TRAVELTIME(MIN) = 4.98 TC(MIN) = 13.28 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.526 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) = 3.20 SUMMED AREACACRES) = 2.50 TOTAL RUNOFF(CFS) = 3.57 END OF SUBAREA STREErFLOW HYDRAULICS: DEPTH (FEET) = .26 HALF STREET FLOODWIDTH(FEET) -6.8S FLOW VELOCITY(FEET/SEC.) = 3.02 DEPTH*VELOCITY = .80 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODE = 4 -----------------------------------------~~----------------~---~-----------~ »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================~=====================================~==~======== • DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITYtFEET/SEC.) = 7.8 UPSTR£AM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATIO~ = 321.00 5.5 INCHES FLOWLENGTH(FEET) = 30.00 MANNINGS N = .013 G~.V~N PIPE DIAMETER (INCH). 7". 18. on NUMBER OF PIPES = .%~.~;, ". ,. ';:.<. .,;.:,-::: .... ·:\·~?t .. :··· '.:. :::: . '::-'-.: .. :, . ~::: .. :.~:.: .... 1 , :':i ~ . ':~'{(', . ~lr~~LU~ in~W ~UbHhc~~G~QJ -~.~i TRAVEL TIME(MIN.) = .06 TC(MIN.) = 13.34 *************-*"************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODE ~ 1 , --------------------------------------------~--~-----------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 4Il=:~~~~~~~=:~~:~!~=~~:!~~~=:~~::~~~:~~=~!~~~~=~~:~~~:::::============~~=====: CONFLUENCE VALuES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 13.34 RAINFALL INTENSITY CINCH./HOUR) = 2.52 TOTAL STREAM A~EA (ACRES) = 2.50 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 3.57 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ________________ .. ___________ .. __ .. ___ ....... ____________ .. _____ --------______ 0 ______ ------ 1 32.79 12.3-8 2. 64~5 -2 9.25 12.44 2.635 3 3.57 13.34 2.5H3 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 45.41 45.35 43.65 COMPUtED CONFLUENCE-ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 45.41 TIME(MINUTES) = 12.377- TOTAL AREA(ACRES) = 30.60 ******************************************************************'********* FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE = 4 ."_;~~;;;~~~;.~~~_;.~;.~~~~~_~~~~~~~~~~~_~;~~~_~~~~~~~~~~~~ ____ .M _____________ ~ ____ _ »»)USING USER-SPECIFIED PIPESIZE««< =====================================================================~====== DEPTH OF FLOW IN 36.0 INCH PIPE IS 11.1 INCHES ptPEFLOW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 321.00 DOWNSTREAM NODE ELEVATION = 312.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) =" 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) = 45.41 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 12.42 **************************************************************************** . .. " FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==================================================~===================~==~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.42 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 30.60 TOTAL STREAM RUNOFP(CFS) AT CONFLUENCE ~ 45.41 .*************************-*"********************~***-*"******************~***** FLOW PROCESS FROM NODE 110.00 TO NODE 111.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =r.========================================~===~~===============~=======~===== SOIL CLASSIFICATION IS "0" • ....... ,,!-.. I I, INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 10 YEAR RAINFA~L INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) 8.299 .38 **************************************************************************** FLOW PROCESS FROM NODE 111.00 TO NODE 112.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================= • UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 330.00 STREET LENGTH (FEET) = 750.00 CURB HEIGTH(INCHES) = b. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLlDECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS tARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.99 STREET PLOWDEPTH(FEET) = .23 HALF STREET FLOODWIDTH(FEET) = 5.23 AVERAGE FLOW VELOCITYCFEET/SEC.) -2.54 PRODUCT OF DEPTH&VELOCITY = .59 STREETFLOW TRAVELTIME(MIN) = 4.92 TC(MINJ = 13.21 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.534 SOIL CLASSIFICATION IS "D" , SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) -3.21 SUMMED AREA (ACRES) = 2.50 TOTAL RUNOFF(CFS) = 3.58 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.88 FLOW VELOCITY(FEET/SEC.) = 3.03 DEPTH*VELOCITY = .80 *********************************************************************~****** FLOW PROCESS FROM NODE 112.00 TO NODE 118.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =======================================================================~===== DEPTH 'OF FLOW IN 18.0 INCH PIPE' IS 3.7 INCHES PIPEFLOW VELOCITy,eFEET ISEC.)" = 13.7 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18~00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA{CFS) = 3.58 TRAVEL TIME(MIN.) = .12 TC(MIN.) ~ 13.34 **************************************************************************** FLOW PROCESS FROM NODE 112. ell) TO NODE 118. 00 IS CPDE == 1 ------------------------------------------~~--------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =====~==============================================~============:============== • CONFLUENCE VALuES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) == 13.34 RAINFALL INTENSITY (INCH./HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 ARE: 3.58 ***********************************************~**************************** . . . ,~t:'!.\;f\.· . . .' "" '·:,!.-,:i(J _ ,,' ". ,) :: :l.~ ·,i '..' .,:.. _', 1'", • t~: "~:;A ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =======~=============================================================~====== • SOIL CLASSIFICATION IS liD" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) -650.00 UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 319.00 ELEVATION DIFFERENCE = 21.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) = 9.439 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOW LENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.148 SUBAREA RUNOFF(CFS) = 2.14 TOTAL AREA (ACRES) = .80 TOTAL RUNOFF(CFS) = 2.14 **************************************************************************** FLOW PRO'cESS FROM NODE 117.00 TO NODE 118.00 IS CODE = 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========================================================~==================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = S.4 UPSTREAM NODE ELEVATION = 319.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTH(FEET).= 80.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRu SUBAREA(CFS) = 2.14 TRAVEL TIME(MIN.) = .16 TC(MiN.) = 9.60 e..**************************'lE-*****************'lE-'lE-****************'lE-************ FLOW PROCESS FROM NODE 117.00 TO NODE 118.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE .INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =====================================================================~====~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 9.60 RAINFALL INTENSITY (INCH./HOUR) = 3.11 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.14 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------~-----------------------~---------------------------------- 1 45.41 12.42 2.637 2 3.58 13.34 2. 5 t<'.,~ 3 2.14 9.60 3. 114 RAINFALL-iNTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.64 48.70 43.48 COMPUTED CONFLUENCE ESTIMATEs ARE AS FOLLOWS} • RU~OFF(~FS) \::: ,_ dO.6y~ .... Tr~E(MINUTES) == 12.425 . TOH~L AREA (ACRES) -L erjjb9:br: 672?.R# p,e."tl//LI' ~ /9/..L-~ 9,4,R/l/E.G' ,PR/V'&0 .GE~ .5/://: 38 C?.r' /#~ PL'A'A/ **************************************************************************** FLOW PROCESS FROM NODE 118.00 TO NODE 122~QP IS CODE = 4 ~~.:\J: . l~' '.' ,t'.':.,,, .,~.; '. t »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 12.2 INCHES PIPE~LOW VELOCITY(FEET/SEC.) = 24.0 UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEVATION = 285.00 FLOW LENGTH (FEET) = 225.00 MANNINGS N = .013 • GIVE::N PIPE DIAt1ETER (INCH) :::: 36.00 NUMBER OF PIPES -, 1 PIPEFLOW THRU SUBAREA (CFS) :::: 50.64 TRAVEL TIME(M1N.):::: .16 TC(MIN.) = 12.58 *****************************************************~********************** FLOW PROCESS FROM NODE 118.00 TO NODE 122.00 IS CODE = 1 , . ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.58 RAINFALL INTENSITY (INCH./HOUR) ~ 2.62 TOTAL STREAM AREA (ACRES):::: 33.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.64 **************************************************************************** FLOW PROC~SS FROM NODE 113.00 TO NODE 114.00 IS CODE:::: 2 _~ ____________________________________ w _____________________________________ _ »»>RATIONAL METHbD INITIA~ SUBAREA ANALYSIS««< ===========~=====================================================~==========: • SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH(FE~T):::: 125.00 UPSTR~Al"'l ELEV.AT~ON = ,,30,8.00 DOWNSTREAM ELEVATION:::: 306.00 ELEVATION DIFFERENCE:::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES):::: 9.850. 10 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 3.062 SUBAREA RUNOFF(CFS) :::: .34 TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) :::: .34 **************************************************************************** FLOW PROCESS FROM NODE 114.00 TO NODE 115.00 Is CODE:::: 6 ---------------------------------------------------------------------~------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ====================================~======================================= UPSTR~AM ELEVATION = 302.00 DOWNSTREAM ELEVATION = 290.00 STREET LENGTH(FEET) = 425.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) :::: .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.13 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.48 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.14 PRODUCT OF DEPTH&VELOCITY = .87 STREETFLOW TRAVELTIME(MIN) = 2.25 TC(MIN):::: 12.10 .• 16 YEAR'RAINFALL INTENSITY (INCH/HOUH) = 2.681 SOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .. 5500 SUBAREA AREA(ACRES) = 2.40 SUBAREA RUNOFF(CFS):::: 3.54 SUMMED AREA(ACRES) = 2.60 TOTAL RUNOFF (CFS) :::: 3.88 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) -.32 HALFSTREET ~LOODWIP!H(F~§T~.~ 9.59 .;~~. ~,lJ . -.'";; _. ' t. ~ ~ l" •. :. -- w (J) < ::E: Il. **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 122.00 IS CODE = 4 ------------------------------------------~---------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS P!PEFLOW VELOCITY(FEET/SEt.) = 8.6 UPSTREAM NODE ELEVATION = 290.00 DO~NSTRE~M NODE ELEVATION = 288.00 5.5 INCHES FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE D I AI'1ETER ( INCH) = 18. 00 NUMBER OF PIPEFLOW THRU SUBAREA(CFS) = 3.88 TRAVEL TIME(MIN.) = .10 . TC(MIN.) = 12.20 PIPES -1 **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 122.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==============================================================~============= CONFLUENCE VALUES USED FOR INDEPENDENT STRE~M 2 ARE: TIME OF CONCENTRATION(MINUT~S) = 12.26 . RAINFALL INTENSITY (INCH./HOUR) = 2.67 TOTAL STREAM AREA (ACRES) = 2.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.B8 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER <CFS) (MIN.) (INCH/HOUR) .---~-------;~~~~-----~;~;~-------;~.~~;-----------------------~--~--~-------- 2 3.88 12.20 2.667 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 54.44 53. 5~::' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = ~4.44 TIME(MINUTES) -12.581 TOTAL AREA(ACRES) = 36.50 **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 240.00 IS CODE = 4 ----------------------------------------------~-----------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ========================~=================================~=====~=========== DEPTH OF FLOW IN 36.0 INCH PIPE IS 22.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 293.00 DOWNSTREAM NODE ELEVATION = 285.00 FLOWLENGTH(FEET) = 550.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 . PIPEFLOW THRU SUBAREA(CFS) = 54.44 • TRAVEL TIME (MIN.) = .80 TC (l'"lIN .. ) = 13.3f:3 **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 240.00 IS CODE = 1 ----------------~----------------------------------------------------~------»»)DESIGNATE INDEPENDENT ~TREAM FOR CqNFLUiNG~««< ~ .. ~~:~ • ~~';:.' ;~~. -~. 7 :'ir;} '~.~ .. . ,-.- w (IJ c( ::t: Il. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.38 RAINFALL INTENSITY (INCH./HOUR) ~ 2.51 TOTAL STREAM AREA (ACRES) == 36.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 54.44 **************************************************************************** • --~:~~-~~~:=~~-~~~~-~~~=----~~:~~-~~-.~~~~----~~:~~-.~:-:~~~-:---:-~-.--.~--.---- • • »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========================================================================~=== SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION == 307.00 DOWNSTREAM ELEVATION = 305.00 ELEVATION DIFFERENCE == 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) == 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 3.420 SUBAREA RUNOFF(CFS) == .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) == .38 ******************~******~.*j*********************************************** FLOW PROCESS FROM NODE 64.00 TO NODE 65.00 IS CODE = 6 --------------------------------------------------------------------~-------»»)COMPUTE STREET FLOW TRAVELTIME.THRU SUBAREA««< ================================================================~===~======= UPSTREAM ELEVATION == 307.00 DOWNSTREAM ELEVATION == 283.00 STREET LENGTH (FEET) == 900.00 CURB .HEIGTH(INCHES) == 6. STREET HALFWIDTH(FEET) == 24.00 STREET CROSSFALL(DECIMAL) == SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) == STREET FLOWDEPTH(FEET) ==. .29 HALF STREET FLOODWIDTH(FEET) == AVERAGE FLOW VELOCITY(FEET/SEC.) == 8. H3 PRODUCT OF DEPTH&VELOCITY == .97 ""!t" -t" .. ~ . .::-.. ::. .. ,::. STREETFLOW TRAVELTIME(MIN) == 4.50 TC (t1IN) == '10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 2.586 SOIL CLASSIFICATION IS "D" 12.80 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 2.62 SUBAREA AREA(ACRES) == 3.10 SUBAREA RUNOFF(CFS) == 4.41 SUMMED AREA(ACRES) == 3.30 TOTAL RUNOFF(CFS) == 4.79 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .35 HALFSTREET FLOODWIDTH(FEET) -10.99 FLOW VELOCITY(FEET/SEC.) == 3.61 DEPTH*VELOCITY ~ 1.25 .0200 **************************************************************************** FLOW PROCESS FROM NODE 65.00 TO NODE 240.00 IS CODE == 4 -----------------------------------------------------------------------~----»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««~ =========~========================~==============~======================~==================== DEPTH OF FLOv~ IN 18.0 INCH PIPE IS 5.7 I.NCHES PIPEFLOW VELOCITY(FEET/SEC.) == 9.8 UPSTREAM NODE ELEVATION == 283~00 DOWNSTREAM NobE ELEVATION = 281.00 FLOWLENGTH(FEET) == 40.00 MANNU~GS N == .013 GIVEN PIPE DIAMETER(INCH) == 18.00 NUMBER OF PIPES == PIPEFLOW THRU SUBAREA (CFS) -4.79 TRAVEL TIME(MIN.) == .07 . TC (MIN.) == 12.87 " ~ , 1 . '. I". {; ,,' ~~------'---'---------'---'-----'-. ..:..:'----~-~---~--...: ... ,. -- **********~***************************************************************** FLOW PROCESS FROM NODE 65.00 TO NODE 240.00 IS CbDE = i -----------------------------------_._-------------------------------,----------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===============================================================~===========~= • CONFLUENCE VALUES USED FOR lNDEPENDENT STREAM TIME OF CONCENTRATIONCMINUTES) = 12.87 RAINFALL INTENSITY (INCH./HOUR) = 2.58 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE ~ 2 ARE: 4.79 **************************************************************************** FLOW PROCESS FROM NODE 6i.00 TO NODE 68.00 IS CODE = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBARE'A ANALYSIS««< :====:===d===========================:=:===========:========::=:=~:========: SOIL CLASSIFICATION IS "D" , SINGLE F. At1 I L Y D.EVELOPMENT RUNOFF COEFF I C lENT = . 5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -, 100.00 UPSTREAM ELEVATION = 290.00 DOWNSTREAM ELEVATION = 288.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY C INCH/HOUR) = 3.420 SUBAREA RUNOFFCCFS) = .38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) -.38 **************************************************************************** FLOW PROCESS FROM NODE 68.00 TO NODE 66.06 IS CODE = 6 ._------------------_-.:_ .. _--------------_ ..... __ .. _---------------":'----------------_ .... - »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 4If=~;.;~~~~~=~:~~~;7~~=:====;;~~~~===;~~~~~~~~~=~:~~~~7~~=:====;;;~~~========= STREET LENGTH(FEET) = 750.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00, STREET CROSSFALLCDECIMAL) = .0200 SPECIFIED NUMBER OF MALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = 2~88 STREET FLOWDEPTHCFEET) = .33 HALFSTREET FLOODWIDTHCFEET) = 10.29 ,AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.45 . PRODUCT OF DEPTH&VELOCITY = .81 STREET FLOW TRAVELTIMECMJNl = 5.10 TCCMIN) = 13.40 10 YEAR RAINF~LL INTENSlTY(INCH/HOUR) = 2.511 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFF(CFS) = 4.97 SUMMED AREA(ACRES) = 3.80 TOTAL RUNOFFCCFS) = 5.35 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .40 HALFSTREET FLOODWIDTH(FEET) -13.80 FLOW VELOCITY(FEET/SEC.) = 2.64 DEPTH*VELOCITY = 1.06 **************************************************************************** FLOW PROCESS FROM NODE 66.00 TO NODE 240.00 IS CODE = 4 ----------------------------------------------------------------------_._----»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • »»>USING USER-SPECIFIED PIPESIZE««< . ====================================================================~======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.1 INCHES P1PEFLOW VELOCITY(FEET/SEC.) = 10.1 UPSTREAM NODE ELEVATION = 282.00 DOWNSTREAM NODE ELEVATION = 2S0.00 -- w CIJ <C ::E: D. GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREACCFS) = TRAVEL TIME(MIN.) = .07 18.00 NUMBER OF PIPES ~ TC(MIN.) = 13.47 **************************************************************************** FLOW PROCESS FROM NODE 66.00 TO NODE 240.00 IS CODE = 1 -------------------------------------------------------~-------------------- • »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 13.47 RAINFALL INTENSITY (INCH./HOUR) ~ 2.50 TOTAL StREAM A~EA' CACRES~ ~.. 3.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 5.35 --------------------------------------------------------~---------------~---1 54.44 13.38 2.513 2 4.79 12.87 2.57B 3 5.35 13.47 2.5()3 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 64.44 63.07 64.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 64.44 tIME(MINUTES) = 13.380 TOTAL AREA.(ACRES) = 43.60 •~.*****i(.***************************.******i(.*********************************** FLOW PROCESS FROM NODE 69.00 TO NODE 70.00 IS CODE = 2 . . ----------_ .. _---------------------...;._ .. _-_._-_ .. __ .--------------------------~-.. -----~- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========================================================================~= SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) = 100.00 UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES> = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOF~(CFS) = .38 TOTAL AREA(ACHES) == .20 tOTAL RUNOFF(CFS) = .38 **************************************************************************** FLOW PROCESS FROM 'NODE 70.00 TO NODE 71.00 IS CODE = 6 ~------------------------------------------------~--------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ======~======~====================~==========~======================================= • UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STHEET CROSSFALLCDECIMAL) == .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) -5.02 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) == 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.)· = 5.18 PRODUCT OF DEPTH&VELOCITY = 1~28 STREETFLOW TRAVELTIME (I'1IN) = 3: 22 .T~ (MIN~ iIfl 11.52 ~~r ,:r: " j , ~~ '~,~:i·. . ~~:-~:; t: . --" w en c( :I: D. • 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.769 SOIL CLA!::lSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF coEFFICIENT = .~500 SUBAREA AREA(ACRES) == 6.10 SUBAREA RUNOFF(CFSJ ~ 9.29 9.66 SUMMED AREA(ACRES) ~ 6.30 TOTAL RUNOFF(CFS) == END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .30 HALFSTREET FLOODWIDTH(FEET) == FLOW VELOCITY(FEET/SEC.) == 5.70 DEPTH*VELOCITY == 8.54 1.69 **************************************************************************** FLOW PROCESS FROM NODE 71.00 TO NODE 78.00 IS CODE == 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< =======================~=====================================~============== DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 10.6 UPSTREAM NODE ELEVATION == 277.00 DOWNSTREAM NODE ELEVATION == 274.00 FLOWLENGTH(FEET) == 80.00 MANNINGS N == .013 GIVEN PIPE 0 I AI'1ETER ( INCH) == 24. 00 NUI'1BER OF P I PES == 1 PIPEFLOW THRU SUBAREA(CFS) == 9.66 TRAVEL TIME(I'1IN.) == .13 TC(I'1IN.) == 11.64 **************************************************************************** FLOW PROCESS FROM NODE 71.00 TO NODE 78.00 IS CODE == 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================= CONFLUENCE VALUES USED FbR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) == 11.64 • RAINFALL INTENSITY (INCH./HOUR) == 2.75 TOTAL STREAt1 AREA (ACRES) == 6.30 . TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == ~.66 **************************************************************************** FLOW PROCESS FROM NODE 72.00 TO NODE 73.00 IS CODE == 2 ___ ~ _________________ . _____________________________ ~ ____________ L_~ __ ~ _____ ~_ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==================================================================================================================~================= SOIL CLASSIFICATION IS "Oil SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION == 325.00 DOWNSTREAM ELEVATION == 323.00 ELEVATION DIFFERENCE == 2.00 URBAN SUBAREA OVERLAND TII'1E OF FLOW(MINUTES) == 8.299 io YEA~ RAINFALL INTENSITY (INCH/HOUR) == 3.420 SUBAREA RUNOFF(CFS) == .38 TOTAL AREA(ACRES) == .20 TOTAL RUNOFF (CFS) == .38 ******************************************.********************************** FLOW PROCESS FROM NODE 73.00 TO NODE 74.00 IS CODE == 6 ------------------------------------------------------------~-------------~- .~;~~~~=~:~~~~=;;~~::~~~=;;~~~~!~~;~~~;7~~~~~~~~;;~;;~=:====;;;~~~========= STREET LENGTH(FEET) == 850.00 CURB HEIGTH(INCHES) := 6. STREET HALFWIDTHCFEET) == 28.90 STREET CROSSFALL(DECIMAL) == .0200 SPECIFI~D NUI'1BER OF HALFSTREETS CARRYING RUNRFF == 2 **TRAVELTIME COMPUTED USING MEAN FLOW~CF6) -2.37 .. :~~., :.;.~~ ," :::::!~~.' ,)~.; " "":~:/~ .. ,~. • •• •• • .... ' •••• ~, 10._1..... : Ii .Io ... L HALF STREET FLOODWIDTH(FEET) = 4.40 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.80 PRODUCT OF DEPTH&VELOCITY = .81 STREET FLOW TRAVELTIME(MIN) = 3~73 TC(MIN) = 12.03 10 YEAR RAINFALL IN1ENSITYC[NCH/HOUR) = 2.692 SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.70 SUBAREA RUNOFF(CFS) = 4.00 SUMMED AREA(ACRES) = 2.90 TOTAL RUNOFF(CFS) = 4.37 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.05 FLOW VELOCITY(FEET/SEC.) = 4.51 DEPTH*VELOCITY = 1.12 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 78.00 IS CODE = 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ===========================~===========================~==================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.0·INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.9 UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION = 274.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREACCFS) = 4.37 TRAVEL TIME(MIN.) -.12 TC(MIN.) = 12~15 **************************************************************************** FLOW PROCESS FROI"! NODE 7 4. 00 TO NODE 78. 00 I S CODE = 1 •------------------_ .... _--:-------_._------_._---_._;...-_ ..... -------------------.-------- »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . ============================~============================================~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.15 RAINFALL INTENSITY (INCH./HOUR) = 2.68 TOTAL ST~EAM AREA· (ACRES) = 2.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.37 **************************************************************************** FLOW PROCESS FROM NODE 75.00 TO NODE 76.00 IS CODE = 2 . , ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ================================~========================.===========~====== SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION::::; 319.00 DOWNSTREAM ELEVATION::::; 317.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) ::::; 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREACACRES) = .29 TOTAL RUNOFF(CFS) = .38 tt***************.*-*********************************************************** FLOW PROCESS FROM NODE 76.00 TO NODE 77.00 IS CODE = 6 ------------~------------~-~------------------------------------------------ »»)COMPUTE STREETFLOW TRAVELTIME THRW ~UBA~~A~«« . ===~i,~,~(~===::::;======~==~~=~=f=;:;;=:~=:=~:::::;====:::;f7-::;~===:;:::;;;~:~~==~~~::::;=,~~:=::::;=::::;=======~.~:~~= STREET LENGTH(FEET) == 750.00 CURB HEIGTH(INCHES) == 6. STREET HALFWIDTH(FEET) == 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) == 1.33 STREET FLOWDEPTH(FEET) == .18 HALFSTREET FLOODWIDTH(FEET) == 2.74 AVERAGE FLOW VELOCITY{FEET/SEC.) -3.45 PRODUCT OF DEPTH&VELOCITY == .62 • STREET FLOW TRAVELTIME (MIN) == :,:::. 6~5 1"C (t1IN) == 11.92 10 YEAR RAINFALL INTENSITY (INCH/HOUR) == 2.707 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RWNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) == 1.30 SUBAREA RUNOFF(CFS) == 1.94 SUMMED AREA(ACRES) == 1.50 TOTAL RUNOFF (CFS) == 2.31 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .21 HALFSTREET FLOODWIDTH(FEET) == 4.40 FLOW VELOCITY(FEET/SEC.) == 3.71 DEPtH*VELOCITY == .79 ***********************~***************************************~************ FLOW PROCESS FROM NODE 77.00 TO NODE 78.00 IS CODE ~ 4 ----------------------------------------------------------------------------»i»COMPUTE PIPEFLow TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==============================~============================================~= • DEPTH OF FLOW IN 18.0 INCH PIPE 18 4.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 8.0 UPSTREAM NODE ELEVATION == 278.00 DOWNSTREAM NODE ELEVATION == 274.00 FLOWLENGTH(FEET) == 80.00 MANNINGS N == .013 GIVEN PIPE DIAMETER(INCH) ~ 18.00 NuNBER OF PIPES == PIPEFLOW THRU SUBAREA (CFS) == 2.31 " TRAVEL TIME(MIN.) == .17 TC(MIN.) == 12.09 1 **************************************************************************** FLOW PROCESS FROM NODE 77.00 TO NODE 78.00 IS CODE == 1 --------------------------------~-------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< -=========================================~===========================================~===== CONFLUENCE VALUES USED FOR INDEPENDENT "STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 12.09 RAINFALL INTENSITY (INCH4/HOUR) == 2.68 TOTAL STREAM AREA (ACRES) ==" 1.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.31 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBEr< (CFS) (MIN.) (INCH/HOUFO ---------------------------------------------------------------------------- • 1 9.66 11.64 2.749 2 4.37 12. 15 2.675 3 2.31 12.09 2.683 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16. 18 " 16".08 16. 1"1 COMPUTED CONFLUENCE 'STIt'IATES ARE AS FOLLOWS: RUNOFF (CFS) = 6.18 TIME(MINUTES) = 11.645 TOTAL AREA U"~CHES) =/ 10.70 "/ L. 6.0. //l/rEe£7cC;7c:l/l./ f I 6'r. / #/ G/. '~ .......... v·\' I i \-...JI ... ~~' ...... J I ' .. • ... It I "·li.-II .. "I:":' »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPEC1FIED PIPESIZE««< . . . =========================~================================================== • DEPTH OF 'FLOW IN 24.0 INCH PIPE IS 9.6 lNCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.8 UPSTREAM NODE ELEVATION = 274.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 16.18 TRAVEL TIME(MIN.) = .36 TC(MIN.) = 12.01 1 **************************************************************************** FLOW PROCESS FROM NODE 78.00 TO NODE 82.00 IS CODE = 1" ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =====*===================================================================~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.01 RAINFALL INTENSITY (INCH./HOUR) = 2.70 TOTAL STREAM AREA (ACRES) = 10.70 TOTAL STREAt1 RUNOFF (CFS) Ar CONFLUENCE = 1.6.18 **************************************************************************** FLOW PROCESS FROM NODE 83.00 TO NODE 84.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================================~====~== • SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 4PSTRE0M ELEVATION = 345.00 DOWNSTREAM ELEVATION = 343.00 ELEVATION DiFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 10 YEAR RAINFALL INTENSITY(INCH/~OUR) = 3.420 SUBAREA RUt\lOFF (CFS) --.. 3-~3 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 84.00 TO NODE 81.00 IS CODE = 6 . . . ---------------------------~----------------------------------------------~-»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==========:::::::===================.======.=============================::-.::============ UPSTREAM ELEVATION = 344. 00 DOWNSTRE{~M ELEVATION = 266.00 STREET LE:NGTH(FEET) = 1250.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALLCDECIMAL) = .0200 SPECIFIED NUMBER dF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.59 STREET FLOWDEPTH(FEET1 = .30 HALFSTREET FLOODWIPTHlFEET) = 8.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.06 PRODUCT OF DEPTH&VELOCITY = 1.54 STREETFLOW TRAVELTIME(MIN) = 4.12 TC(MIN) = 12.42 • 10 YEAR .RAINFALL INTENSITY (INCH/HOUR) = 2.637 SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.70 SUBAREA RUNdFF(CFS) = SUMMED AREA(ACRES) = 5.90 TOTAL RU~OFF(q~~~ = 8.27 8.64 END OF SUBAREA STREETFLOW HYDRAULICS: ": . _'--____ -!'-~~!.-"',~~"___' " , .,..>. :~~ _ .......... -.......;"--.:...-____ .... " .... "1 ..... -::;;...: ___________ ..;. . .;:..~ •• ..;;;:t; __ . __ '---I '" .. _' . I , .' _.1.... . FLOW VELOCITY(FEET/SEC.) :: 5.82 DEPTH*VELOCITY :: 2. 1<) **************************************************************************** FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE:: 4 ----------------------------------------------------------------------------»»>COMpUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< . ·=;~;.~~=~;=;~~~=7~::=7~~~=7~~~=~7~~=:7~::::=~~;::7~~~~~=::===::=====::::~==::::::::==::===: PIPEFLOW VELOCITY(FEET/SEC.):: 9.9 UPSTREAM NODE ELEVATION:: 259.00 DOWNSTREAM NODE ELEVATION:: 258.00 FLDWLENGTH(FEET) = 30.00 MANNINGS N:: .013 GIVEN PIPE DIAMETER(INCH):: 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) :: 8.64 TRAVEL TIMECMIN.) = .05 TC(MIN.) = 12.47 **************************************************************************** FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE:: 1 -----------------------------~----------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ================================::::=========================:-.::====-============::::== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES):: 12.47 RAINFALL INTENSITY (INCH./HOUR):: ·2.63 TOTAL STREAM AREA (ACRES):: 5.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -8.64 ******************************************************************~********* FLOW PROCESS FROM NODE 85.00 TO NODE 86.00 IS CODE:: 2 .-;;;;;~~~~~~~~-~~~~~~-~~~~~~~-~~~~~~~--~~~~~~~S~~~~~--.------~--------------- :::::==================================-======:;:::=====::;::=======:::;:====================== SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:: .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION:: 344.00 DOWNSTREAM ELEVATION:: 342.00 ELEVATION DIFFERENCE:: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES):: 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) :: .38 TOTAL AREA (ACRES) :: .20 TOTAL RUNOFF (CFS) ==i38 **************************~~*~~********************************************* FLOW PROCESS FADM NODE 86.00 TO NODE 87.00 IS CODE == 6 --------------------------------~-------------------------------------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===:============~==================================================~========= • UPSTREAM ELEVATION:: 342.00 DOWNSTREAt1 ELEVATION:: 269.00 STREET LENGTHtFEET):: 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) :: 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS'CARRYING RUNOFF:: 2 . ~ **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = 2.52 STREET FLOWDEPTH(FEET) = .20 HALFSrnEET FLOODWIDTH(FEET):::: 3.57 AVERAGE FLOW VELOCITY(FEET/SEC.) -5.13 PRODUCT OF DEPTH&VELOCITY :: 1.01 STREETFLOW TRAVELTIME(MIN):: 2.92. TC(MIN):: 11.22 "J,.r ~. , .. ..,. ,. ' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.80 SUBAREA RUNOFF(CFS) -4.34 SUMMED AREACACRES) = 3.00 TOTAL RUNOFFCCFS) = 4.71 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .25 HALFSTREET FLOODWIDTHCFEET} = 6.05 FLOW VELOCITY(FEET/SEC~) = 4.86 DEPTH*VELOCITY = 1.20 •***~**********-l(,********-l(,***************************-l('******************'**** FLOW PROCESS FROM NODE 87. 00 TO NODE 82. 00 1$ CODE = 4· ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< =======================================================~==================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.7 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 13.0 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTHCFEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREACCFS) = 4.71 TRAVEL TIME(MIN~) = .13 TC{MIN.) -11.35 ********************************~******************************************* FLOW PROCESS FRON NODE 87. 00 TO NODE 82. 00 I S CODE = :\.. -----------------------------~------------------------------~---------------»»)DESIGNATE INDEPENDENT STREAM FOR tONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==========================================================================~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.35 RAINFALL INTENSITY (INCH./HOUR) = 2.80 • TOTAL STREAN AREA (ACRES) = 3.00 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 4.71 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (lNCH/HOUR) ----------------------------------------------------------------------------1 16.18 12.01 2.695 2 8.64 12.47 2.631 -:r • .;J 4.71 11.35 2. 79~3 RAINFALL-INTENStT'{--RATIO ·CCmFL.UENCE FORt-1ULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 29.16 28.87 28.45 COMPUTED CONFLUENCE E TIMATES ARE AS FOLLOWS: RUNOFFCCFS) = 29.16 TIME(MINUTES) = 12.006 TOTAL AREA (ACRES) -19. 60 . ~ / / _ J ~.e:-/' I _ 5,0. //VTE'RGEC7/#/v ..L-6/. 7 &" 6/· **************************************************************************** FLOW PROCESS FROM NODE 82.00 TO NODE 88~00 IS CODE = 4 ------------------------------------------~~--------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ==========================================================================~= • DEPTH OF FLOW IN 36.0 INCH PIPE IS 11.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.6 . UPSTREAM NODE ELEVATION = 258.00 DOWNSTREAM NODE ELEVATION = 243.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.1~ . ':;;k';~>:' ~ . :.~. '.~ ,~~~ «~·,jt:· ~.~:21~.~." "';, 1 I '.i-·t·-/ t.. .. l_ i .t.1 H .... '.1 I.!. "1 u., •.•.• **************************************************************************** FLOW PROCESS FROM NODE 82.00 TO NODE 88.00 IS CODE = 1 -----------_ .. _---_ ... _-----_._-_._--------------_._-----------------~-...;..-----------:---- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ~============:========================================~===============~====== • CONFLUENCE VALUES USED FOR I NDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 12.41 RAINFALL INTENSITY CINCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = "19.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: 29.16 **********************************~***************************************** FLOW PROCESS FROM NODE 89.00 TO NODE 90.00 IS CODE = 2 ----------------------------------------------------------~--------------~--»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========================~====================================~==~========== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREACAC~ES~ = .20 TOTAL RUNOFt(CFS) = .38 *******************.**"************.******.***********.*******.******************* FLOW PROCESS FROt1 NODE 90. 00 TO NODE 91 • 00 I S CODE = 6 •----------_._-_ ... _-_ ..... _---------.-------_...:_---------.... _-_.------------_ .... ---------:-..... »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================. UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH (FEET> = 28. 00 "STREET CROSSFALL <DEC It1AL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) = 4.64 " STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTHCFEET) ~ a.54 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.74 PRODUCT OF DEPTH&VELOCITY = .81 STREET FLOW TRAVELTIME(MIN) = 5.47 TCCMIN) = 13.77 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.467 SOIL CLASSIFICATION IS "DII BINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 6.30 SUBAREA RUNOFF(CFS) = BUMMED AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: 8.55 8.92 DEPTH (FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.85 FLOW VELOCITYCFEET/SEC.) = 2.93 DEPTH*VELOCITY = 1.06 ******************************************************~********************* .~:~~-~~~~:::~:~~~-~~~:----~~:~~-~~-~~~:----~~:~~-.::-~~~:-:---~---~-------~ . ) ) > > >COl'lPUTE PI PEFLOW TRAVEL T Ir1E THRU SUBAREA< 0::: -::: -::: < »»)USING USER-SPECIFIED PIPESIZE««< ============================================================~=============== DEPTH OF FLOW IN 18.0 INCH PIPE IS PI~~rLOW VELOCITjCFEET/SEC.t -11.1 ~ j' 8.3 INCH~$ , -- w en « :E: a. · .... i '.-,' 1 I .:I. ... ! II ~ ~ I'_~ .... 1_.. • ... ,;. ... 1._. 1 I , , .lo .... ·l·l DOWNSTREAM NODE ELEVATION = 256.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBARE?HCFS) = 8;92 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 14.52 ti*************************************************************************** FLOW PROCESS FROM NODE 91.00 TO NODE 88.00 IS CODE = 1 ---------------------------------~-----------~-----------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES)·= 14.52 RA~NFALL, INTENSITY (INCH./HOUR) = 2.38 TOTAL STREAM AREA (ACRES) = 6.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.92 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 2 '29. 16 8.92 12.41 14.52 2.639 2.384 F<AINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED F.OR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOW$: 37.22 35.27 COMPUTED CONFLUENCE AS FOLLOWS: RUNOFF (CFS) = 37.2L TIME(MINUT~S) = 12.406 TOT{.~L {~REA (ACRES) = /" 26. 10 ~~ / a /--r~/. ./,&/LL @AR/vE.G' p,e. <-s.D./A/rc.E?.5Cf"C77P'/l/ ~ J.. • r If. .*.******.**~*****.******.*****.******~****'*.************************************ FLOW PROCESS FROM NODE 88.00 TO NODE 97.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================~========~=====~= D~PTH OF FLOW IN 36.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.7 UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION = 247.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 37.22 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 12.45 **************************************************************************** FLOW PROCESS FROM NODE 92.00 TO NODE 93.00 IS CODE = 2 --------------------------------------------~~-~-------~-----------~-------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ~===========================~==============================================~ • SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = .38 TOTAL AREA U~CRES) = ... 3,P TOTAL, R~~!\I.c~FF it~f~,.~ = " '~:~~::j; .' 4. • ~ • ..'. "::" :,,-" • :~ .' \ ~~'\:}"", .38 -- w en II( :J: D.. I **************************************************************************** FLOW PROCESS FROM NODE 93.00 TO NODE 94.00 IS CODE = 6 ---------_._------.---------------_ .. _-------------_ .. _ .. _.--.-------":"""---------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===========================================~===================~============: UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 269.00 STREET LENGTH (FEET) ~"" 900.0i) CURB HEIGTH (INCHES) = 6 • • STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.89 STREET FLOWDEPTH(FEET) = ,28 I-I'ALFSTREET FLOODW I DTH (FEET) = 7. 71 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.43 PRODUCT OF DEPTH&VELOCITY = .~6 STREET FLOW TRAVELTIME(MIN) = 4.37 TC(MIN) = 12.67 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.603 SOIL CLASSIFICATION IS "0" SINGLE FAt1 I L Y DEVELOPMENT RUNOFF COEFF I C lENT = • 5500 SUBAREA AREA (ACRES) = 6. 40 SUBAF~EA RUNOFF (CFS) = 9. 16 SUMMED AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) = 9.54 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = j35 HALFSTREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITY(FEET/SEC.) = 3.58 DEPTH*VELOCITY = 1.24 **************************************************************************** FLOW PROCESS FROM NODE 94.00 TO NODE '97.00 IS CODE = 4 ----------------------------------------~--------------_._------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED ptPESIZE««< ==================================================~========================= • DEPTH OF FLOW IN 36.0 INCH PIPE IS 8.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE EL£VATION = 169.00 DOWNSTREAM NODE ELEVATtON = 268.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREACCFS) = 9.54 TRAVEL TIME(MIN.) = .13 TC(MI~.) = 12.80 1 **************************************************************************** FLOW PROCESS FROM NODE 94.00 TO NODE 97.00 IS CODE = 1 ----------~-----------------------------------------------------------------»»>DESIGNATE INDEP£NDENT STREAM FOR CONFLUENCE««< ========================================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.80 RAINFALL INTENSITY (INCH./HOUR) = 2.59 TOTAL STREAM. AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9i54 ******************************************************~********************* FLOW PROCESS FROM NODE 95.00 TO NODE 96.00 IS tODE = 2 ----------------------------------------------------------------------~----- ~=~~~~~~~~!~~~~=~;~~~~=!~!!!~:==~~~::~=~~~:~=!=~~~~~======================== .. SOIL CLASSIFICATION IS "0" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 280.00 DOWNSTREAI'l ELEVAT I ON .,?78" (10 'J.~ ,..,1;: .~: ~i,. . " -' - ..... t.'R •••• " •• I .~ '_ •• I _ ... I I 1-.. 1 .4 ... ' .j ...... !.... • ", ... n ....... . URBAN SUBAREA OVERLAND TrME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNoFF(CFS) -.38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = ":,,r'1 •• ';'10 **************************************************************************** F~OW PROCESS FROM NODE 96.00 TO NODE 98.00 IS CODE = 6 " .-._----------_._---------------------_._---------------------------------------..,..------------ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===============~==========:================================================== UPSTREAM ELEVATION = 278.00 DOWNSTREAM ELEVATION = 244.00 STREET LENGTH(FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL} = .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.01 STREET FLOWDEPTH(FEET) = .21 HALFSTREET FLOODWIDTH(FEET) = 4.40 AVERAGE FLOvJ VELOCITY (FEET/SEC.) --4.83 PRODUCT OF DEPTH&VELOCITY = 1.03 STREET FLOW TRAVELTIME(MIN)? 1.73 TC(MIN) = 10.03 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.028 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.20 ·SUSAREA RUNOFF (CFS) = 5.3~ SUMl"lED ·AREA (ACRES) = ·3'.40 TOTAL RUNOFF (CFS) = 5.71 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .26 HALFSTREET FLOODWIDTH(FEET) -6.89 FLOW VELOCITY(FEET/SEC.) = 4.82 DEPTH*VELOCITY = 1.27 **************************************************************************** .--::~~-~~~::~~-:~~~-~~~:----~~~~~:-~~-~~~:--.---~~~~~-:~-:~~:-:---~-----------.---. »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================= DEPTH OF FLOW IN 1~.0 INCH PIPE IS 7.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 240.00 DOWNSTREAM NODE ELEVATION = 239.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.71 TRAVEL TIME(MIN.) = .08 TC(MIN.) = 10.11 **************************************************************************** FLOW PROCESS FROM NODE 98.00 TO NODE 97.00 IS CODE = 1 ----7-----------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . . ============================================================================ • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 10.11 RAINFALL INTENSITY (INCH./HOUR) = 3.01 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.71 **************************************************************************** FLOW PROCESS FROM NODE 88.00 TO NODE 97.00 IS CODE = 7 ----------------------------------------------------------------------~----- »»>USER SPECIFIED HYDROLOGY INFORMATION AT NPDE««< . I TC(MIN) -12.45 RAIN INTENSITY (INCH/HOUR) -2.63 TOTAL AREA(ACRES) = 26.10 . TOTAL RUNOFFCCFS) == 37.22 **************************************************************************** FLOW PROCESS FROM NODE 88.00 TO NODE 97.00 IS CODE == 1 --~--------------------------------------------------------~----------------»»>DESIGNATE INDEPENDENT STREAM FOR CO~FLUENCE««< . . .==~~~~~~~~==~~~~:~~~==~~~!~~:==~~~~:~~~~~~~=~~~~~~=~~:~:=~~~~~=========================:= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) == 12.45 RAINFALL INTENSITY (INCH./HOUR) == 2.63 TOTAL STREAM AREA (ACRES) == 26.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 37.22 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (l'lIN.) (INCH/HOUR) ---------------------------------------------------------------------~------1 9.54 12.80 2.586 ~'\ 5.71 10. 11 ~5 .. ()12 ..::. " 3 37 .. 22 12.45 2.63:'::' RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 50.99 46.44 51.58 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:. RUNOFF (CFS) == 51.58 TIME(MINUTES) - . 12.450 TOTAL AREA (ACRES) = 36.10 **************************************************************************** • FLOW PROCESS FROM NODE 97. 00 TO NODE 206. 00 I S CODE .:: 4· .---------------------------------~-----------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========~=================================================================== DEPTH OF FLOW IN 36.D INCH PIPE IS 12.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) :: 24.1 UPSTREAM NODE ELEVATION == 250.00 DOWNSTREAM NODE ELEVATION:: 225.00 FLOWLENGTH(FEET) == 225.00 MANNINGSN == .013 GIVEN PIPE DIAMETER(INCH) == NUMBER OF PIPES == 1 PIPEFLOW THRU SUBAREA(CFS) == TRAYEL TIME(MIN.) = .16 '1]J~~'~"; ?;;~}~..z:-.G$.e~ PR4//t/" &/L~ .&A/?/V'e.6' ///A1P~,P /&. P/C,..e:-'C'P uP 4T P,A/.4.GE..zz; ~F /#"q ;P~,4N'5#7; S~~ **************************************************************************** FLOW PROCESS FROM NODE 206.00 TO NODE 130.00 IS CODE:: 5 ------~-----------------------------------------------------~---------------»»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< »»>TRAVELTIME THRU SUBAREA««( ===========================~================================~=============~=========================~==== UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION == 126.00 CHANNEL LENGTH THRU SUBAREA(FEET):::: 1000.00 CHANNEL B{·iSE (FEET):::: 3.00 II Z II FACTOr-( = 2.000 • MANNINGS FACTOR:::: .035 MAXrMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 51.58 FLOW VELOCITY(FEET/SEC):::: 10.37 FLOW DEPTH (FEET) :::: 1.00 TRAVEL TIMECMIN.) == 1.61 TC(MIN.):::: 14.21 ****~:*.l******·lE-*********~*~.**,*:,t*********~·*,<~***~'\I1·t;~:~:****************~****:'!;*.*** • A .,.f",.. .t. _', . . . ~ ~~ -, -. ~ " " " . '. . . -. ~i " .l.~;.l.). l)U J. i::) LUlJl::. :;;;: J. --------------------------------------------------------------~------------- »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===========================================================================~ • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES):;;;: 14.21 RAINFALL INTENSIty (INCH./HOUR):;;;: 2.42 TOTAL STREAM AREA (ACRES):;;;: ~6.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 51.58 ********************************************************************~******* FLOW PROCESS FROM NODE 132.00 TO NODE 130.00 IS CODE =. 2 ------------------------~---------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============~===========:===========================~======================== SOIL CLASSIFICATION IS liD" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TII'1E OF CONCENTRATION WITH 10-MINUTES ADDED = 14.46(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -1500.00 UPSTREAM ELEVATION = 360.00 DOWNSTREAM ELEVATION = 126.00 ELEVATION DIFFERENCE = 234.00 10 YEAR RAINFALL INTENSITY (INCH/HOUR) -2.391 SUBAREA RUNOFF(CFS) = 50.79 TOTAL AREA (ACRES) = 47.20 TOTAL RUNOFF(CFS) = 50.79 **************************************************************************** FLOW PROCESS FROM NODE . 132.00 TO NODE 130.00 IS CODE = 1 . -. --------~-------------------------------------------------------------------»»)DESIGNATE IND~PENDENT STREAM FOR CONFLUENCE««< ======================================================================~=~=== • CONFLUENCE VALUES USED FOR INDEPENDENT STREA.M 2 ARE: TIME OF CONCENTRATIONCMINUTES):;;;: 14.46 RAINFALL INTENSITY (INCH./HbUR) = 2.39 TOTAL STREAM AREA (ACRES) = 47.20 TOTAL STREAM RUNOFF(CFS} AT CONFLUENCE = 50.79 **************************************************************************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE = 7 ----------------------------------------------------------------------------»»)USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ======================================::::::::================.:==="===;:::::::=====:::;===== USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.49 RAIN INTENSITY (INCH/HOUR) = 2.20 TOTAL AREA(ACRES) = 36.50 TOTAL RUNOFFCCFS) = 51.58 *************************«************************************************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE = 1 -._--------_ .. _---_ ..... __ .. _--'----------_ .. -.. ----------------------------------...... --...;.----- »»>DES!GNATE INDEPENDENT STREAM FOR CQNf~UENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =====================:===========================~===============~=========== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 16.49 '. nAINFALL' INTENSITY C INCH./HOUFO = 2.20 TOTAL STREAM AREA (ACRES) = 36.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -51.58 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY t\lIIl'1B~R (CI=S) (1"1 J N _) .( T Nr:l-l/l-mIIR i .x ... <,.... .. ~~ 1 51.58 14.21 2.4·1E3 2 50.79 14.46 2.391 :!. 51.58 16.49 2.197 'RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VAR I OUS CONFLUENCE]) RUNOFF Vf.~LUES ARE ~·~S FOLLOl.-tJS: 148.68 149.19 145.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: • RUNOFF (CFS) == 149.19 TII'1E (1'1INI)TEB) == 14.455 TOTAL AREA (ACRES) ~ 119.80 *~************************************************************************** FLOW PROCESS FROM·NODE '130~00 TO NODE 207.00 IS CODE == 4 ------------------------------------------------------------~---------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==============================~====================~=====================================================::====== DEPTH OF FLOW IN 54.0 INCH PIPE' IS 19.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 28.4 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 120.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES == 1 PIPEFLOW THRU SUBAREA(CFS) = 149.19 TRAVEL TIME(MIN.) == .04 TC(MIN.) == 14.49 *.***.*****.*********************.*********"*.****.*********.*********************** FLOW PROCESS FROM NODE 123.00 TO NODE 124.00 IS CODE:::: 2 ------------------------------------------------------~---------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< . . ==========================================================~==================== • SOIL CLASSIFICATION IS IIDII RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME O~ CONCENTRATION WITH 10-MINUTES ADDED = 12.35(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -650.00 UPSTREAM ELEVATION == 275.00 DOWNSTREAM ELEVATION = 175.00 ELEVATION DIFFERENCE == 100.00 10 YEAR RAINFALL INTENSITY (INCH/HOUR) -2.646 SUBAREA RUNOFF(CFS) = 6.43 TOTAL AREA(AC~ES) = 5.40 TOTAL RUNOFF(CFS) = 6.43 . **************************************************************************** FLOW PROCESS FROM NODE 124. 00 TO I\jODE 125. 00 I S CODE:::: 4 -------------------------------------------------------------------------~--»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========:==================================================================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.9 UPSTREAM'NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 169.00 FLOWLENGTH(FEET) =. 200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH):::: 18.00 NUMBER OF PIPES - 1 • P I,PEFLOW THRU SUBA~EA (CF~) = 6.4::::; TRAVEL TIME(MIN.) -.~8 TC(MIN.) = 12.73 **************************************************************************** FLOW PROCESS FROM NODE 124.00 TO NODE 125.0~ IS CODE = 1 1 ';.~ • , .... ·---1--;:T;-:----:--.. ------.. ::--------·-:---:-~r-.. ---=--~ .. -..... -'t~ ... ~:~-.. ---.. of'"t~«~7~7~-------·---:--·--·-.. -..... ---1::-:~- -- •••••••• I.. ,.. • •• • ..... • ... I .... I ..... , .... ~ I .... 1 .... 1 I ~ ....... I.! ..... 'II I I ~ .... ,.. ' ... l; .... ·I··~l l.._·..JJ .... I·;l-1t.." ". ". ". ". ". ===~=============::::===::::=================~==::::=::::=::::=::::=::::=::::========::::===~==~====~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE; TIME OF CONCENTRATION (MINUTES) :::: 12.73 RAINFALL INTENSITY (INCH./HOUR):::: 2.60 TOTAL STREAM AREA (ACRES):::: 5.40 TOTAL STREAM RUNOFF{CFS) AT CONFLUENCE = 6.43 •********~******~**~******~'*:*'*:.**********,*,***************************,*.*~***** FLOW PROCESS FROt'1 NODE 1.26. 00 TO NODE 127. 00 I S CODE = 2 -----------------------------------------------------------------------~----»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===::::=======================================::::===p::::===================::::======= SOIL CLASSIFICATION IS "DIt RURAL D£VELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED:::: 12.8S(MINUTES) INITIAL SUBAREA FLOW-LENGTH (FEEt) -SOO.OO UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION:::: 170.00 ELEVATION DIFFERENCE = 110.00 10 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 2.576 SUBAREA RUNOFF(CFS) = 3.71 TOTAL AREA(ACRES) = 3.20 TOTAL RUNOFF(CFS) = 3.71 **************************************************************************** FLOW PROCESS PROM NODE 127.00 TO NODE 125.00 IS COPE:::: 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.):::: 6.6 UPSTREAM NODE ELEVATION:::: 170.00 DOWNSTREAM NODE ELEVATION:::: 169.00 FLOWLENGTH (FEET):::: 50. 00 /"'!{iNN I NGS N:::: • 01:::;' GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES :::: PIPEFLOW THRU SUBAREA(CFS) = 3.71 TRAVEL TIME(MIN.):::: .13 TC(MIN.):::: 13.01 1 ****************************************************************************. FLOW PROCESS FROM NODE 127.00 to NODE 125.00 IS CODE:::: 1 -------------------------------------------------------------------~--------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ======~==================================================~=================~ • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.01 RAINFA.LL INTENSITY (INCH. /HOUR) = 2.56 TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(C~S) AT CONFLUENCE = 3.71 CONFLUENCE INFORMATION: STREAM RUNOFF ·TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 6.43 3.71 12.73 13.01 2.596 2.559 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 10.09 10.05 £OMPUTED-CONFLUENCE ESTIMATES ARE AS f~~~OWS~ ).: ~t. I' ,.' .~ :' I'.~~~~. • , ~. ):: •• ~. -- t \1-iI"'iI..J~ ~ i' t. I_ .. r-· 'MJ i··· .. I .I. rll::~ \ i'li I\II.,J f I::.;;:.} .. -J.L. I.'::'''i TOTAL AREA(ACRES) = 8.60 **************************************************************************** FLOW PROCESS FROM ,NODE ,125~OO TO NODE 128.00 IS CODE = 4 -.----------------------"":""-----.. ---.. --.---.. --.. ---~--.'!"--"---------_ ..... _----'"':""----"-------- »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECtFIED PIPESIZE««< ~~~;.~~=;;=;:;~=7~==;;~~=7~~~=;.7~~=7;===;~~=7~~~~;=============:============= PIPEFLOW VELOCITY(FEET/SEC.) = 13.3 UPSTREAM NODE ELEVATION = 169.00 DOWNSTREAM NODE ELEVATION = 145.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - 1 Ft I F'EFLOW T.HF~U SUBAREA (CFS) = 1 ()" ()9 TRAVEL TIME(MIN.) = .44 TC(MIN.) -13.17 **************************************************************************** FLOW PROCESS ~ROM NODE 125.00 TO NODE 128.00 IS CODE = 1 »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.17 RAINFALL INTENSITY (INtH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF(CFS) .AT CONFLUENCE = 10.09 -I('****************************'*'**-I(,*********,*,***'oj(,***-1('*-1(,-1('********************** FLOW PROCESS FROM NODE 129.00 TO NODE 131.00 IS CODE = 2 ~-;;;;;~~~~~~~~-~~~~;~-~~~~~;~-~~;;;~;-;~;~~~~~7~~~~----~-------~-----~----- ============================================================~==~=====~====== SOIL CLASSIFIGATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) -1100.00 UPSTREAM ELEVATION = 243.00 DOWNSTREAM ELEVATION = 145.00 ELEVATION DTFFERENCE = 98.00 URBAN SUBAREA OVERLAND TIME OF F~OW(MINUTES) = 7.830 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTIDN: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY C INCH/HOUR) = 3.551, SUBAREA RUNOFF(CFS) -3.37 TOTAL AREA(ACRES) = 1.00 TOTAL RUNOFFCCFS) = 3.37 **************************************************************************** FLOW PROCESS FROM NODE 131.00 TO NODE 12S.00 IS CODE == 4 ---------------------------------------------~------------------------------»»>COMPUTE PIPEFLOW TRAVELTiME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< :===========================================~================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 8.3 UPSTREAM NODE ELEVATION = 145.00 5.0 INCHES DOWNSTREAM NODE ELEVATION -144.00 FLDWLENGTH(FEET) = 24.00 MANNINGS N == .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF F'IPES == PI PEFLOW THRU SUBAREA.( CPS)' =" :3. 3'7 1 -- **************************************************************************** FLOW PROCESS FROM NODE 131.00 TO NODE 128.00 IS CODE = 1 ----------------------------------------------------------~-----------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: • TIt1E OF CONCENTRATION (MINUTES) = 7.88 RAINFALL INTENSITY (INCH./HOUR) = 3.54 TOTAL STREAM AREA (ACRES) = 1.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.37 **************************************************************************** FLOW PROCESS FROM NODE 133.00 TO NODE 134.00 IS ~ODE = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===================================================================~======== SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .S500 INITIAL SUBAREA FLOW-LENGTH(FEET) -1100.00 UPSTREAM ELEVATION ~ 243~00 DOWNSTREAM ELEVATION = 145.00 E~EVATION DIFFERENCE =. 98.00 URBAN SUBAREA OVERLAND TIME O~ FLOWCMINUTES) -12.881 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOI"'lOGHAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY . NOt10GRAPH DEFINITION. EXTHAPOLATION OF NOMOGRAPH USED. 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.576 SUBAREA RUNOFF (CFS) -8.76 TOTAL AREACACRES) = 4.00 TOTAL RUNOFF (CFS) -8.76 • • *.***.*****************************.*****.***************************.****.******* FLOW PROCESS FROM NODE 134.00 TO NODE 128.00 IS CODE = 4 ------------------------------------------------------------------------~---»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.1 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 7.7 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 144.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) = 8.76 TRAVEL TIME(MIN.) = .13 TC(MIN.) = 13.01 **************************************************************************** FLOW PROCESS FROM NODE 134.00 TO NODE 128.00 IS CODE = 1 ----------------------------------------------------~-----------------------»»>DESIGNATE INDEPENDENT STREAM FOR CPNFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =======================================================~==========~========= • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM J ARE: TIME OF CONCENTRATION(MINUTES) = 13.01 RAINFALL INTENSITY (INCH./HOUR)·= 2.56 TOTAL STREAt1 AREA (ACRES)' =" 4.00 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 8.76 CONFLUENCE INFORMATION: STREAI'1 RUNOf;F-. - T I ME INTENSITY \' . \.. . '.,,:~ .. ;,~ .~.;:'. -' - ------------~--------------------------------------------------------------- • 1 10.09 13. 17 2. :-;3 c1 2 3.37 7.88 3.537 3 8.76 13.01 2.559 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 21.20 16.95 21.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) == 21.21 TIME(MINUTES) -13.012 TOTAL AREA(ACRES) = 13.60 **************************************************************************** FLOW PROCESS FROM NODE 128.00 TO NODE 207.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ================================================~=========~===========:====== DEPTH OF FLOW IN 54.0 INCH PIPE IS 8.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 14.4 UPSTREAM NODE ELEVATION = 144.00 DOWNSTREAM NODE ELEVATION == 138.00 FLOWLENGTH(FEET) == 100.00 MANNINGS N == .013 GIVEN PIPE DIAMETER(INCH) == 54.00 NUMBER OF PIPES == 1 PIPEFLOW THRU SUBAREA(CFS) == 21.21 TRAVEL TIME(MIN.) = .12 TC(MIN.) == 13.13 **************************************************************************** FLOW PROCESS FROM NODE 128.00 TO NODE 207.00 IS CODE = 1 ..... -___________ .. ___ ,;,... .. ___ • ___________ .. ____ ..... __ ... ___ .. ____ .. __ o..-_______ .. ________ ..... __________ ..... """'! »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ."==~~~;~~;~~~==~~:~~~=~~;~=;~~=~~;~;:;~;~~~==~~~~~~==7=~~~;=============================== TIME OF CONCENTRATION(MINUTES) == 13.13 RAINFALL INTENSITY (INCH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) == 13.60 TOTAL STREAM RUNO~F(CFS) AT CdNFLUENCE = 21.21 **************************************************************************** FLOW PROCESS FROM NODE 130.00 TO NODE 207.00 IS CODE = 7 . . ----------------------------------------------------------------------------»»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ======================~===================================================== USER-S~ECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 14.49 RAIN INTENSITY (INCH/HOUR) == 2.39 TOTAL AREA(ACRES) == 119.80 TOTAL RUNOFF(CFS) ~ 149.19 **************************************************************************** FLOW PROCESS FROM NODE 130.00 TO NODE 207.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>ANP COMPUTE VARIOUS CONFLUENCED -STREAM VALUES««< ========================================================~==================;= • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) == 14.49 RAINFALL INTENSITY (INCH./HOUR) == 2.39 TOTAL STREAM AREA (ACRES) = 119.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 149.19 CONFLUENCE INFORMATIONl --~T~E.fWI RUNOFF T I ME . I NTENS I T''!'- " ~:~~.:~:;:~.. • of "" ',~: :, \ :~.: .~:: ···~.t~;:~?;:~~1:" ",' ...... , .. .-- • • I· '. . ' !. 1',' .... ', .J ... ·I .... ' • '" ..... , .... 1 l ~., {,Ll"". J ~. J.I ... i'.. ... lll rH.JI...U'\J ---------------------------------------------------------------------------- 1 2 21.21 149.19 13. l~!O 14.49 2.545 2.388 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 161.19 169.09 COrvlPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 169.09 TIME (MINUTES) = 14.490 TOTAL AREA(ACRES) = 133.40 **************************************************************************** FLOW PROCESS FROM NODE 207.00 TO NODE 135.00 IS CODE = ' 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ====================~=~===================================================== DEPTH OF FLOW IN 54.0 INCH PIPE IS 24.4 INCHES PIPEFLOW VELOCITY(FEET/SEC~) = 24.2 UPSTREAM NODE ELEVATION = 138.00 DOWNSTREAM NODE ELEVATION = 106.00 FLOWLENGTH(FEET) = 650.00 MAN~INGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) -169.09 TRAVEL TIME(MIN.) = .45 TC(MIN.) = 14.94 ***********************************************~**************************** FLOW PROCESS FROM NODE 207.00 TO NODE 135.00 IS CODE = 1 -------------------------------------------~--------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 14.94 RAINFALL INTENSITY (n~CH./HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 133.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 169.09 **************************************************************************** FLOW PROCESS FROM NODE 136.00 TO NODE 137.00 IS CODE = 2 -----..... ---"---.. -.. -----------.. ---... ---.. -----.. ----------.. ------o:o--...... -------~-------...... -"----- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========.::=::::::::::::================:::==:;::::====:::::========================:;:====.======:;:::=: SOIL CLASSIFICATION IS II W' RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.34(MINUTES) I NIT rAL SUBAREA FLOW-LENGTH (FEET) -" 1200.00 UPSTREAM ELEVATION = 250.00 DOW(\ISTREAt-l,ELEVATION,,::;: " 122.00 ELEVATION DIFFERENCE = 128.00 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.403 SUBAREA RUNOFFCCFS) = 12.33 TOTAL AREA(ACRES) = 11.40 TOTAL RUNOFF(CFS) = 12. :.53 **************************************************************************** FLOW PROCESS FROM NODE 137.00 TO NODE 135.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ====::::================================:=========~~============================ ,~,q'1H. OF FLOW .. I N -;(~~~,-.--O ~,~~H, P If'E IS ,~' '#:',.' ,'t' ,'. ,. _~:~ t' ". UPSTREAM NODE ELEVATION = DOWNSTREAM .NODE ELEVATION = FLOWLENGTH(FEET) = 325.00 GIVEN pIPE DIAMETER(INCH} = PIPEFLOW THRU SUBAREA(~FS) = TRAVEL TIME(MIN.} = .43 122.00 106.00 MANNINGS N = .013 18.00 NUMBER OF PIPES = 12.33 TC(MIN.) = 14.77 1 .******'***************'**************'-l!'*'*""*'O)(-*****'*,***;*************~*******,*"**** FLOW PROCESS FROM NODE 137.00 TO NODE 135.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««( ==============================================~~============================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.77 RAINFALL INTENSITY (INCH./HOUR) = 2.36 TOTAL STREAM AREA (ACRES) = 11.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -12.33 CONFLUENCE INFORMATION: STREAt1 RUNOFF T I ME I NTENS I TV NUMBER (CFS) (MIN.) (INCH/HOUR) --_ .. _------_ ..... _ .. _----------_ .. _-----_ .. _---_ .. _-----_."";"'"---.. ------.. -----~----.:.....------------ • 1 169.09 2 14.94 14.77 :;:;. ~::;41 2.·358 RAINFALL-INTENSITY-RATIO CONFLUENCE FORI'ylULA USED FOR VARIOUS'CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS:. 181. 33· 180. 2~~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 181.33 TIME(MINUTES) = 14.938 TOTAL AREA(ACRES) = 144.80 2 STREAI'1~~ 1['**********************'**'*****'*'***'*'**'**'*'"*********************1['********'*'***** FLOW PROCESS FROM NODE 135.00 TO NODE 138.00 IS CODE = 4 ---------------------------------------------------------------------~------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««( »»>USING USER-SPECIFIED PIPESIZE««( ===============================================================~~==~======== DEPTH. OF FLOW IN 60.0. INCH' PIPE IS 26.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.0 UPSTREAM NODE ELEVATION = 106.00 DOWNSTREAM NODE ELEVATION = 95.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60:00 NUMBER OF PIPES = 1 PIPEFLdw THRU ~U~AREA(C~S~; 181.33 TRAVEL TIME(MIN.) = .23 TC{MIN.) = 15.16 **************************************************************************** FLOW PROCESS FROM NODE 135.00 TO NODE 138.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( =======================================================================~==== CONFLUENCE VALUES USED ~OR INDEPENDENT STREAM 1 ARE: • TIME OF CONCENTRATION(MINUTES) = 15.16 RAINFALL INTENSITY (INCH./HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 144.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 181.33 **************************************************************************** FI;SJ.Y.:I PROr,FSS FROM Nnnl=' J s,"~ 0 00 Tn. t.JC1nP 1 An., n.o. T ~ r.nm= ,-'? r· .}.:. , ,." .~: ! ~. >, ~:.: ~~:. ~':l -- w (J) <C :t: a. UPSTREAM ELEVATIoN == . 145.00 DOWNSTREAM ELEVATION:::: 96.00 STREET LENGTH(FEET)::: 1100.00 CURB HEIGTH(INCHES) ::: 6. STREET HALFWIDTHCFEET) == 24.00 STREET CROSSFALL(DECIMAL) == .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 1 **TRAVELTIME COMPUTED USING MEAN FLOWCCFS)::: 3.01 STREET FLOW DEPTH (FEET) ::: .28 HALF STREET FLOODWIDTHCFEET):::: 7.48 AVERAGE FLOW VELOCITY(FEET/SEC.) --4.45 • PRODUCT OF DEPTH~~VELOC I TY ::: 1 • Z:~~ 'STREETFLOW TRAVELTIME(MIN):::: 4.12 TC(MIN) == 13~37 10 YEAR RAINFALL INTENSITYCINCH/HOUR) :::: 2.515 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF· COEFFICIENT == .5500 SUBAREA AREACACRES)::: 3.90 SUBAREA RUNOFF(CFS) = 5.39 SUMMED AREA (ACRES) :::: 4.10 TOTAL RUNOFF(CFS) == 5.75 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) == .33 HALFSTREET FLOODWIDTHCFEET) == 10.29 FLOW VELOCITY(FEET/SEC.) -4.88 DEPTH*VELOCITY::: 1.62 *****.)!O******.*.******************.)!O.*********.**.****.***************************** _ FLOW PROCESS FRot1 NODE 143. 00 TO NODE 138·. 00 I S CODE:::: 4 -----------------------------------------------------------------------------> > > > >COMPUTE PI PEFLOW :TRAVELTI t"IE THRU SUBAREA< <.:::.::: < W »»>USING USEF~·-SPECIFIED PIPESIZE««< en ====::::==:::=:::===::::::::::==::::====:::::::=::::::::::==:::::::::==:::::::: ..... .::::::::::::::::::::::::::::==:::== ..... .:::::====:::::::::::==:::::::::::::==::::::::::::::=::::::::::::::::::::::::::::::::::::-::::::: c:C • DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLO~ VELOCITY(FEET/SEC.) -9.7 UPSTREAM NODE ELEVATION == 96.00 DOWNSTREAM NODE:ELEVATION ::: 95.00 6. 6 I NCI·-IES FLOWLENGTHCFEET)::::: 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH):::: 18.00 NUMBER OF PIPES :::: PIPEFLOW THRU SUBAREAtCFS) -5.75 TRAVEL TIME(MIN.):::: .04 TC(MIN.)::: 13.41 1 **************************************************************************** FLOW PROCE$S Ff,OM NODE . _ 143. 00 TO. NODE 138. 00 IS Co.DE::: 1 ---------------------------------------------------------------~------------»»>DESIGNATE INDEPENDENT STREAM FOR Co.NFLUENCE««< »»>~ND COMPUTE VARIOUS CONFLUENCED STREAM VALUES':::':::':::':::'::: =::::::::=:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::==::::::::::::::::::::::::::::::::::::::::::::::::==::::::::::=:::::::::::::::::::===::::::::::::::=:::::::::::::=:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME"OF'CONCENTRATIo.N(MINUTES) ::::. 13.41 RAINFALL INTENSITY (INCH./HOUR):::: 2.51 TOTAL STREAM AREA (ACRES):::: 4.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE::::: 5.75 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- • 1 181. 33 15. 16 2.319 2 5.76 15. 13 2. :32::~ 3 5.75 13.41 2.510 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 192.39 192.16 178.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 192.39 TIME(MINUTES) = 15.165 TOTAL AREA (ACRES) = 153.40 .: '" :r: a. FLOW PROCESS FROM NODE 144.00 TO I\HJDE 145.00 IS CODE == 2 , ' ---------------------------------------------------------------------------- • »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::::======--:==::::===:::::::::::::::::::::::::=========::::============-===========::::========:::::::::::::===:::::=============::::::::::: SOIL CLASSIFICATION IS "Oil . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION == 165.00 DOWNSTREAM ELEVATION == 146.00 ELEVATION DIFFERENCE = 19~00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) == 9.946 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NO~OGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. :1.0 YEAR F~?.)INFALL INTENSITY (INCH/HOUR) :::: 3.043 SUBAREA RUNOFF (CFS) == .33 TOTAL AREA(ACRES) == .20 TOTAL RUNOFF(CFS) -~33 **************************************************************************** FLOW PROCESS FROM NODE :1.45.00 TO NODE 146.00 IS CODE == 6 _ .. _ .. _ .. _------_ ... __ ....... _._--_ ...... _ ..... _------... __ ._--_ ............... _!._--_ .... __ .. _-_ .. _--_ .. __ .. _-_ .. _-_ .. __ ..... , ..... -!" ..... _---_ .. _-._-_ ... .. »»)COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ==========================================================================~==========================:========== UPSTREAM ELEVATION = 146.00 DOWNSTREAM ELEVATION == 107.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USlNG MEAN FLOW(CFS),-2.77 STREET FLOWDEPTH(FEEJ) ,= .2B HALFSTREET FLOODWIDTH(FEET) == 7.48 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.09 PRODUCT OF DEPTH&VELOCITY == 1.13 . •• STREETFLOW TRAVELTIME(MIN) == 4.08, TC(MIN) == 14.03 10 YEAR RAINFALL INTENSITY (INCHfHOUR) = 2.438 SOIL CLASSIFIC?HION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) == 3.60 SUBAREA RUNOFF(CFS) == 4.83 SUMMED AREA (ACRES) = 3~80 TOTAL RUNOFF(CFS) = 5.16 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .33 HALFSTREET FLoODWIDTH(FEET) == 10.29 FLOW VELOCITY(FEET/SEC.) == 4.39 DEPTH*VELOCITY == 1.46 **************************************************************************** FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE == 2 -00-------------------------____ .. ________________________ .. ___ -.o ____ ~--..... ---.. -"--...... ---. __ »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ~~=========================================================================== • SOIL CLASSIFICATION IS "D" MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT == .7000 INITIAL SUBAREA FLDW-LENGTHCFEET) -640.00 UPSTREAM ELEVATION == 432.00 DOWNSTREAM ELEVATION == 365.00 ELEVATION DIFFERENCE == 67.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) == 16.320 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. ~CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. :1.0 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.211 SUBAREA RUNOFF(CFS) = 1.08 TOTAL AREA (ACRES) == .70 TOTAL RUNOFFCCFS) = 1.08 :3:. 60 ~$. Cf4 COI"IPUTED CONFLUENCE ESTH'IATES AF~E AS Fc:JLLOWS: RUNOFF (CFS) = 3.94 TIME(MINUTES) -12.148 TOTAL AREACACRES) = 3.20 **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 103~00 IS CODE = 4 .--~::;;;;~~~~~~~-~~~~;~~~-~~;~~~~:~;~~-~~~~-.-~;~~;;~~:~~~~~------,--------~---~----- »»>USING USER-SPECIFIED PIPESIZE««( ===============~========================================================~=== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = :~$30. 00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER DF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) -3.94 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 12.90 **************************************************************************** FLOW PROCESS ~ROM NODE 100.00 TO NODE 101.00 IS CODE = 2 ------------------------------------------------------------------------~---»»>RA!IONAL METHOD INITlA~ SUBAREA ANALYSIS««( ========================~=================================================== • SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 500.00 UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 ELEVAT I ON D IFFEF<ENCE = 10. 00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -18.998 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.005 SUBAREA RUNOFF(CFS) = 2.10 TOTAL AREA (ACRES) = 1.90 TOTAL RUNOFF(CFS) = 2.10 *.*************************************************.****************.********** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==========================================================================~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MfNUTES) = 19.00 RAINFALL INTENSITY (INCH./HOUR) = 2.00 TOTAL STREAM AREA (ACRES) = 1.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.10 **************************************************************************** FLOW PROCESS FROM NODE 262.00 TO NODE 263.00 IS CODE = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANA~YSIS««< ====================================~========~=================:~=======~==== • SOIL CLASSIFICATION IS "0" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11j89(MINUTES) INITIAL SUBAREA FLOW-LENGTH(F~ET} -500.00 UPSTREAM ELEVATION = 440.00 DOWNSTREAM ELEVATION = 360.00 ELEVATION DIFFERENCE = 80.00 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 217'~ i'" 'ii! . . . ~ ' .. ~~ .: .~; .~:\'. ~< i ' "')~ '~!I' . -, t ...... " • {,'" •• " • TOTAL AREA (ACRES) = 3.60 TOTAL RUNOFF (CFS) -4.39 **************************************************************************** FLOW PROCESS FROM NODE 263.00 TO NODE 101.00 IS CODE = 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< '.. 411f=;;.;~~=~;=;~~~=7~==7;~~=7~~~=;.7;.~=7~===;.~~=7~~~~;========================== PIPEFLOW VELOCITY(FEET/SEC.) = 17.2 UPSTREAM NODE ELEVATION = 360.00 DOWNSTREAM NODE ELEVATION = 328.00 FLOWLENGTHCFEET) = 125.00 ~ANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.39 TRAVEL TIME(MIN.) = .12 TC(MIN.) =' 12.01 **************************************************************************** FLOW PROCESS FROM NODE 263.00 ·TO NODE 101.00 IS CODE = 1 --------~-------~-~------~-~-~---------~------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 12.01 RAINFALL INTENSITY (INCH./HOUR) = 2.69 TOTAL STREAM AREA (ACRES) = 3.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.39 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY • . NUMBER (CFS) (MIN.) (INCH/HOUR) ._--_ ...... -_ .. _---------_ .. _-----"""':"-------_ .. __ ... __ ._------------------------------------...- 1 2.10 19.00 2.005 4.39 12.01 2.694, RAINFALL-INTENSITY'-RATIO CONFLUENCE FORNULA USED FOR 2 STREAt"m VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTINATES ARE AS FOLLOWS: RUNOFF (CFS) = 5.95 TIME(MINUTES) = 12.015' TOTAL AREA (ACRES) = 5.50 **************************************************************************** FLOW PROCESS FRaN NODE 101.00 TO NODE 103.00 IS CODE = 4 »»)CONPUTE PIPEFLOW TRAVELTINE THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.5 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 10.5 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION ~ 328.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMSER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 5.7'5 TRAVEL TIME(MIN.) = .06 TC(NIN.) = 12.08 1 ********************************************************************~******* FLOW PROCESS FROM NODE 101.00 TO NODE 103.00 IS CODE = 1 . , -----------------------------------------------~~~--------------------------,.', ,1: "::'. ,:', =====~====================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STRt::AM 1 ARE: TIME OF.CONCENTRATION(MINUTES) = 12.08 RAINFALL INTENSITY (INCH./HDUR) = 2.69 TOTAL STREAM AREA (ACRt::S)::: 5.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.95 ~*************************.********.**.*****.*********.*****.*************.*****.*** ~ .. FLOW PROCESS FROM NODE 11.00 TO NODE 103.00 IS CODE = 7 ----------------------------------------------------------------------------»»>USER SPECIFIED HYDROLOGY INFORt1ATION AT NODE««< ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.90 RAIN INTENSITY (INCH/HOUR) = 2.57 TOTAL AREA (ACRES) -3.20 TOTAL RUNOFF (CFS) = 3.90 **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 103.00 IS CODE = 1 ------------------------------------------~-------------~-------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 12.90 RAINFALL INTENSITY (INCH. IHOUR) ::: 2.57 TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.90 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) .• -----1--------:-9-:------1 ~--{-)-8--------~-·6--8:-·-------.... ------...;----------------------- \J. \:.J ..:... .. ...:.... U . 2 3.90 12.90 2.573 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 9.69 9.60 RUNOFF (CFS) = .69 TIME(MINUTES) = 12.079 . COMPUTED CONFLUENC~MATES ARE AS FOLLOWS, TOTAL' AREA (ACRES) = 6i/3d(~~ P#.4~E..z:-G72?.If!!"M P/?,4/N ~ .t!3/L,L, .@ARM Pe'/t/.5; 6E&"' GriT. S~ G?P /H/? PL,4 N . **************************************************************************** FLOW PROCESS FROM NODE 103.00 TO NODE 104.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =========================================================~================== • DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.6 INCHES PIPEFLOW VELOCITY(FEETtSEC.) = 9.5 UPSTREAM NODE ELEVATION = 328.00 DOWNSTREAM NODE ELEVATION = 307.00 FLOWLENGTHCFEET) = 750.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREACCFS) -9.69 l"R'AVEL t·I~lE (MIN.) = 1.31 , .. c (MIt".):: 13.39 1 **************************************************************************** FLOW PROCESS FROM NODE 103.00 TO NODE 104.00 IS CODE = 1 ---------------------------------------------------------------------------- >:::->:::->DES I GNATE I NDEPENt)EN·r,. ?TREA\'1 FOR GDNFLql:;:liF~-::: -::: -::: < '::: ~~: .. :~~ " \ 'f<;4,"': \ • .; ;: {;':'t -'. -- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TINE OF CONCENTRATION(MINUTES) = 13.~9 RAINFALL INTENSITY (INCH./HOUR) = 2.51 TOTAL STREAM AREA (ACRES) = 8.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.69 1('************-*,*'-11'******-11'*-11,*-11'****-11'-11'**11'***'*'-)(01('1('********************************* • FLOW PROCESS FROt1 NODE 105. 00 TO NODE 106. 00 I S CODE = 2 . ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================~===========================================~ SOIL CL(-iSSIFICATI,ON IS "D~I " SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 312.00 DOWNSTREAM ELEVATION = 310.00 ELEVATION DIFFERENCE ~ 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFFlCFS) -.38 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 106.00 TO NODE 107.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================= • UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = 307.QO STREET LENGTH (FEET) = 900.00 CURB HEIG1H(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 '*,*n~AVEL TII"IE COMPUTED US'INC"; I"IEAN FLOW (CFS) -" 4.57 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEE1) = 11.85 AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.50 PRODUCT OF DEPTH&VELOCITY = .55 STREETFLOW TRAVELTII'1E (MIN) = 9.99 TC (MIN) = 18.2(;; 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.055 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.20 SUBAREA RUNOFF(CFS) = 8.14 SUMMED AREA(ACRES) = 7.40 TOTAL RUNOFF (CFS) -8.51 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET fLOODWIDTH(FEET) = 15.16 FLOW VELOCITY(FEET/SEC.) = 1.76 DEPTH*VELOCITY = .76 **************************************************************************** FLOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE = 4 -------------------------------~-----------------~--------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===============~====~=======~================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 307.00 DOWNSTREAM NODE ELEVATION = 306.00 FLDWLENGTH(FEET) = 60.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 8.51 TRAVEL TIME(MIN.) -.13 TC(MIN.) = 18.42 1 -- w U) <C ::r: .0. ************************************************************~*************** FLOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =========================================================================:=== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.42 RAINFALL INTENSITY CINCH~/HOUR) = 2.05 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 8.51 **************************************************************************** FLOW PROCESS FROM NODE 108.00 TO NODE 109.00 IS CODE = 2 -------------------------------------------------------------------~--------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================~=======================~============= SOIL CLASSIF1CATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ='.5500 INITIAL SUBAREA FLOW-~ENGTH(FEET) -100.00 UPSTREAM ELEVATION = 313.00 DOWNSTREAM ELEVATION = 311.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES1 = 8.299 10 YEAR RAINFALL INTENSITY C INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = ~38 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF (CFS) = .38 **************************************************************************** FLOW PROCESS FROM NODE 109.0Q TO NODE 241.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 4Ir=~;'~~~~~~=~~~~~~~;~=:====;'7;~~~===~;~~;~;~~~=~:~~~;~;~=:====;;7~~~========= STREET LENGTHCFEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.34 STREET FLOWDEPTHCFEET) = .23 HALFSTREET FLOODWIDTH(FEET) = 5.37 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.31 PRODUCT OF DEPTH&VELOCITY = .77 STREET FLOW TRAVELTIMECMIN) = 2.52 TC(MIN) = 10.82 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2. 88~5 SOIL CLASSIFICATION IS "D" , SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA'AREACACRES) = 1.20 SUBAREA RUNOFF(CFS) = 1.90 SUMMED AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) = 2.28 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.77 FLOW VELOCITY(FEET/SEC.) = 3.95 DEPTH*VELOCITY = 1.03 **************************************************************************** FLOW PROCESS FROM NODE 241.00 TO NODE 104.00 IS CODE = 4 ----------------------------------------------------------------------------• »»>COMPUTE PIPEFLOW TRA~ELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================= DEPTH OF FLOW IN 18.0 INCH'PIPE IS 4.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.2 UPSTREAM NODE ELEVATION = 291.00 DOWNSTR,EAM NODE ELEVAT I ON = 290.00 -;'", ,r. '. J I -- w en <C :E: a. ! GIVEN PIPE DIAMETERCINCH) = PIPEFLOW THRU SUBAREA(CFS) ~ TAAVEL TIME(MIN.) = .11 . ,. . ,. 18.00 NUMBER OF PIPES -1 2.28 TC(MIN.) = 10.93 **************************************************************************** FLOW PROCESS FROM NODE 241.00 TO NODE 104.00 IS CODE = 1 ' ---------------------------------------------------------------------------- • »»>DESIGNATE INDEPENDENT STREAt1 FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ========::::::::==:::=======:::::==============:::::::==:::::=====:::::: .. ::::::::::::.::::::::::======:::::.=================::::::;:'::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 10.93 RAINFALL INTENSITY (INCH./HOUR) = 2.86 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.28 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) Cl"lIN.) (INCH/HOUR) 1 9.69 13.39 2. !.512 ,.., ..::. 8.51 18.42 2.045 :3 2.28 10.93 2.864 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS cONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 18.62 18.03 16.86 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFCCFS) = 18.62 TIME(MINUTES) = 13.393 TOTAL AREACACRES) -17.50 **************************************************************************** • FLOW PROCESS FFWt1 NODE 245. 00 TO NODE 246. 00 I S CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CLASSI.FICATION IS 110 11 COMMERCIAL DEVELOPMENT RUNOFF, COEFFICIENT = .8500 I NIT I AI.. SUBAREA FLOW--LENGTH (FEET) --550. 00 UPSTREAM ELEVATION = 323.00 DOWNSTREAM ELEVATION = 279.00 ~LEVATION DIFFERENCE = 44.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.884 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR R~INFALL INTENSITY CINCH/HOUR) ::: 3.273 SUBAREA RUNOFF(CFS) ::: 3.17 TOTAL AREA(ACRES) -1.14 TOTAL RUNOFF(CFS) ~ 3.17 **********~***************************************************************** FLOW PROCESS FROM NODE ~46.00 TO NODE 250.00 IS CODE = 4 -----------------------------~----------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< e ===:::::=:::=======::::=========:::=::::====::::====::::===:::::;;=:::::::::::::=======::::===::::==:::===:::::::::::::::==::::::==== bEPTH OF FLOW IN 18.0 INCH PIPE IS 5.6 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = ,6.8 UPSTREAM ~mDE ELEWH I ON ::::, .. 298. 00 DOWNSTREAM NODE ELEVATION::: 297.00 FLOWLENGTH(FEET) -40.00 MANNINGS N = .013 , /',~ ~\. -... w (J) <C J: a.. PIPEFLOW THRU SUBAREA (CFS) == 3.17 TRAVEL TIME(MIN.) == .10 TC(MIN.)-8.98 **************************************************************************** FLOW PROCESS FROM NODE 246.00 TO NODE 250.00 IS CODE == 1 ----------------------------------------------------------~---------------~-»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< _ .~==~~~~~~~~~~==~~~~~~==~~~;==;~~==7~;~;.~~;~~~==;~~~~~====~==~~~;============================~=========" TIME OF CONCENTRATION(MINUTES) == 8.98 RAINFALL INTENSITY (INCH./HOUR) == 3.25 TOTAL STREAM AREA (ACRES) == 1.14 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.17 **************************************************************************** FLOW PROCESS FROM NODE 247.00 TO NODE 248.00 IS CODE == 2 ---------------------------------------------------------------7-~----------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================================================================~================================~==~== • SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH(FEETl -275.00 UPSTREAM ELEVATION == 310.00 DOWNSTREAM ELEVATION = 298.00 ELEVATION DIFFERENCE = 12.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -13.236 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. . 10 YEAR RAINFALL INTENSITY C INCH/HOUR) == 2.531 SUBARE{4 F~UNOFF (CFS) -, .70 ' TOTAL AREACACRES) == .50 TOTAL RUNOFF(CFS) -'.70 **************************************************************************** FLOW PROCESS FROM NdDE 248.00 TO NODE 250.00 IS CODE == 4 --------------~------------------------------------------------------------->>->>>Cot1PU'iE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =============================================================================?========== DEPTH OF FLOW IN 18.0 INCH PIPE IS 2.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 4.4 UPSTREAM NODE ,ELEVATION = 298.00 DOWNSTREAM NODE ELEVATION == 297.00 FLOWLENGTHCFEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.09 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREACCFS) =.70 TRAVEL TIME(MIN.) = .15 TC(MIN.) = 13.39 **************************************************************************** FLOW PROCESS FROM NODE 248.00 TO NODE 250.00 IS CODE = 1 ---------------------------------------------~------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CqNFLUENCE««< »»>AND COMPUTE VARIOUS GONFLUENCED STREAM VALUES««< =========================================================~=========:========= • CONFLUE'NCE VALUES USED FOR I NDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 13.39 RAINFALL INTENSITY (INCH./HOUR) = 2.51 TOTAL STREAM AREA (ACRES) = .50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY -~~1:~i .. ·)t 2 ARE: .70 '" ··1 -----------------------------------------------------------~---------------- • 1 2 3.17 .70 8. '.,.8 13.39 :s II 25<) 2. 51~2 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ~5.71 3.15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 3.71 TIME(MINUTES) = 8.981 TOTAL AREA (ACRES) = 1.64 ===============F==========================================~================= END OF RATIONAL METHOD ANALYSIS ;. • • ••.• f.>~: ~',' ~'. ~, I \ I .'. o CITY OF CARLSBAD CARLSBAD HIGHLANDS o HYDR'OLOGY STUDY 50-YEAR '.:; ". HYDROLOGY STUDY ....... ~. L • VI/ .0. 270 -tl·o .. -; ...... ... J. ,,~-~~ , ::;:~ 'j. ~ . ", ... - ~.( .J :--', ''':'~:..: , ':'.l •' ~ .. . -" _ ... .--- r:·,· <COUNTY OF SAN DIEGO OEPARTI~ENT -OF SANITATION & FL-OOO CONTROL 4E:' t I\\~"r'" \ ":;:::' ~ t -~~, 30' T--41.~\ ___ '--J, ,..--•,...., C:,' 1 E:' , .... t" \ . I -: ;J It) , , . 33- .. -.. ---.--------.-----4S! r --.. I -, !,' Prep .. tc d by . U.S. DEPARTME~T' OF COMMERCE .' NATrOUAL OCEANIC AND AT. rOSPIIERIC ADMINISTRATION SPECtAL STUDIES BRANCH. OFFICE 0"'\1 ·OROLOGY. NATION,'''L WEATHER SERVICE 30' I t-4 t-4 I 1180 45' 30' 15' 1" C\ • (-' I .' .... t' ..... llt 45 ' 30' 15 ' 116° ( lNTENSITY -DUp,i\T{ . DES!GN CHART (- ~ .' Ie . --r----'-~T'-T..tTmn 1·L-Fa~ ",:,50 Y.R. I 97DRH-• -1.'_ IiI ;1'1 ~fI. iUI·, .. i·., .. iiillihua.tl ... iI.urr-: ••• ,It.I:.1 .. ll1o ,:FllrtrriTIi[. 0" f 1\ l' , 9.-_' '. _J •• __ . I . J I -_ 645 lrectlons or I\pp lcatl0n: -1 -:: 7.44 PD' . 6 1) From precipitationrnaps determine 6 hr. and I 1:1 Intensity Crn,/Hr,) 24 hr', amounts for the selected frequency. . These maps are'printed in the County Hydrology r-: L I-I-J~ II I' 1 i'K!llll!li:nj"~llllli'lii\I'11I ~ , ' I·~~ .. I:: '1h-k1>X'X Manual (10, 50 nnd 100 yr, maps included in the Design and Procedure Mariual). 2r Adjust 6 hr', 'precipitation ... (if necessary) so' that it is vritllin the range of'45% to 65·% .oJ . the 24 hr. precipitation. (Not nrr1icable ... to Desert) 0'\. ~ I 3) Pl~t 6 hr. precipitation on the right side g of the chart. "1 ~ 14) Dra\,1 a line through the point parallel to the ~ plotted lines . ..... This line is the intensity-dur.ation curve for the location being analyzed. ; .: .J~"""~:~'·'J~T -' h" ~~ ill1 ',!IIII! j.fM}. r 11I[ \';'I~lllji :%.~,I..~.! 1·~i1i·!l':I~ _ •• f-1----t·· 1rl :'i-.;. I' m I ~~ 11!!i:~..J.'I···-I··lt .-!~G1,":~ til' ;J i.: '~:.' ~ :, .::.... II'~' 1 1\' II III! 1111 *-·1*' ,'.JiN,U·'· :1;'1' ,.. '--I . ..1 -,., . I" " I' I I' '. '. .... . ..... .. . . . . : " 'IiI --,t--... -r-.'. t" ' to ,e QJ • :-," : .: . -: ,~ : 1 '.. "'.. I. ! ! I . I! i, .; l; ~ .6'=,::--1 ::..-: ;. .... :: . '. .. t . ~ !1,-+-~LI1.' . :L~~ :.'.;I!:;,I! . . . ~ .. , ... ,. :.:[ j .. tm 'I'~ ·~JJ.l·l±fMll·I~'I!;I' :!:I Selected Frequency. 50 yr. oS --t "'-J ill I-~ ... I w.1.IT.u 1 " I I, . . .. . '. I .. . [I ..;:.. . -l':i··' I!, : I ,', !:' i . * ; I-:: .............. '. --1--'1 !i', '~I --* ./. .. ,I '.: ... :: -'.:': I .. :. :.:·::,.:.~J::±:!;UtJlh .I~!~I:;' "2.5 P6 -£'.4 in., P24= 40, Ps -60 % :.'. ..1 .1' I .. · I .. :. .. "7 ~:t-:::-:::· .-., trru·lll.i 1,'1 :.Htl -:,::.:; -'-:~I:: -1-.':' ... : : '.. ~~::: ~ :' :I~_i II. I!'! ~ PZ4 ,3 ':=::::k~: .. -.J.': . ~.:.. " -::. -: : . . :~ ==~~:::'::., : .~! :H1]2.0 2) Adjusted. *p, = e.4 in. -... -. -.•• -.. .. . .: . . .. 1=1=:_r:"~': . ·~~t+ !~+' I": I . 6 •.. _ .. --_. -.-... --. . . ,-r:.'-'':' l"'~ 'r 'k" :> ----:'~ ::.:: :-.. ~'. ". =:.-=--::. :.~. ·"l~11I'l.5 "d ---I----... ,. .... ---,.-.: -: .. 'i.~:: . ,'!Ii. "t1 • ..... ... '.--"'1 tTl.2 .--''---'-.-' . ..., ." 'jl' S ". .... -. 191* ~ -: T 'H1 I :. . . . . . TI.' . Hi Jll. 0 ~ '~1:l!fEf£Bl~m!WIUlJnlflmuur" 1-1 1 1 1 1 1-i+1-+1-I+I-I··· 11'1~-++-t--t-+-I-I-I-+I-l-l-l-l+U~~/ .••. ~1 1-11-tt/iittl . i;: 1 0 tlm ttl Iltltlllllltttltjtl tlill IlllltllllmlllltJ-. tl IIII tttttt/llt11UIIIII 15 40 50' 1 4 5 6 20 30 2 Hours 3 Minut. Duration . ... 3) tc = min. 4) 1= in/hr. *Not Applicable to Desert Region APPENDIX XI IV-A-14 Revised 1/85 • ~1 ,"to '" ~" I I I " I ~.:,. '.~ ~ ==============================~=================~=========================== RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1985, 1981 HYDROLOGY l'lANlJAL .::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: (C) Copyright 1982,1986 Advanced EngiQee~ing Software CAESJ i Especially prepared for: HUNSAKER & ASSOCIAT~S , «««««««««««««««««««»»»>~»»»»»»»»»»»»»»» , **********DESCRIPTION OF RESULTS******************************************** * CARLSBAD HIGHLANDS 50-YEAR HYDROLOGYfSTUDY ,. * * 270-40-682 * * 3-28-88 * ***********************************************************~**************** . . ------------------------------------------------------------~---------------USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---------------------------------------------------------------------------- 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 50.00 • 6-HOUF~ DURATION PRECIPITArION (INCHES) =; 2.400 SPECIFIED MINIMUM PIPE SIZECINCH) = 18.00 SP~CIFI~D PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .85 «««««««««««««««««««»»»»»»»»»»»~»»»»»»»> Advanced Engineering Software tAESJ SERIAL No. 107301 VER. 3.4A RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»~»»»»»»»> *****************************~********************************************** FLOW PROCESS FROM NODE 1.DO TO NODE 2.00 IS CODE =i 2 ----------------------------------------~-------------------~---------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================~~=====~=~======= • SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT·RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH{FEET) = 100.00 UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 340.00 ELEVATION DIFFERENCE = : 2.00 URBAN SUBAREA OVERLAND T I ME OF FLOVJ (t1 I NUTES ) = 50 YEAR RAINFALL INTENSITY (jNCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -.~O TOTAL AREA (ACRES) = .2Q' TOTAL RUNOFFCCFS) = -" I. • _~ , ..... , 8.'2.99 .50 1'; -- FLOW PROCESS FROM NODE 2!00 TO NODE 3.00 IS CODE = 6 ________ ----------------------J------------------~----___ ------------------- »»>CDt1PUTE STREETFLOW TRAV.ELTIME THRU SUBAREA««< ===========~================================================================ UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 STREET LENGTH (FEET) = 430.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 • *.* TR?-WELT I ME COI'1p~nED· US I NO MEAN FLOW (CFS) = 4. 33 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW·0ELOCITY(FEET/SEC.) -,3.04 PRODUCT OF DEPTH&VELOCITY = .85 [ STREETFLOW TRAVELTIME(MIN) = 2.36 TCCMIN) = 10.66 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3J881 SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT; = .5500 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFF(CFS) - SUMMED AREA (ACRES) = 3.80 TOTAL RUNOFF'CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: ,1.68 8.19 DEPTH (FEET) = .33 HALFS1REET FLOODWIDTH(FEET) = 10.20 i. FLOW VELOCITY(FEET/SEC.) = 3.54 DEP1H*VELOCITY = 1.17~ **************************************************************************** FLOW PROCESS FROM NODE 4.00 TO NODE '5.00 IS CODE =, 2 -------------------------------------------------------~----------~---------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================================================~============ • SOIL CLASSIFICATION IS "DII RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH lO-MINUTES ADDED = 10.77(MINUTES) INITIAL SUBAREA FLOW-LENGTH (FEET) = 200.00 UPSTREAM ELEVATION = 485.00 DOWNSTREAM ELEVATION = 432.00. ELEVATION DIFFERENCE = 53.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) -3.855 SUBAREA RUNOFF(CFS) = .35 TOTAL AREA(AC~ES) = .20 TOTAL RUNOFF(CFS) - ******************.**.***************'*****************.************************ FLOW PROCESS FROM NODE 5.00 TO NODE 6.00 IS CODE = 6 ------------.. -00.--------------.. -.. -----.. --.. --.--.. --------.. -------------j--------------OO;--.. , f »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =========================================================~==~=============== • UPSTREAM ELEVATION = 432.00 DOWNSTREAM ELEVATION = '310.00 STREET ~ENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 6. i STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALLCDECIMAL);= .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 ' **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -4.65 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.13 PRODUCT OF DEPTH&VELOCITY = 1.56 STREETFLOW TRAVELTIME (MIN) = 3.09 TC(MIN) = 13.86 50 YEAR RAINFALL INTENSITY(~NCH/HOUR) = 3.276 SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNbFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.8~: SUBAREA RUNOFFCCFS)· = SUMMED AREA (ACRES). = 5.00· TOTAL RUNOFFCCFS) = END OF SUBAREA STREETFLOW HYDRAULICS~ ... ~t1·f'~'~ , j ".~. :,~" ' :~ j t l ;8.65 9.00 --w C/) « ::r: D. :. ••• _, I I I \ i ... _i. ... I • 11111. ... 1 ,_, i i\J.._,-I I t....._ •• '.-I.I.J"·.JJ.!.l til \1 L...i. ... l J ...... J. J. II : ..... 1 FLOW VELOCITY(FEET/SEC.) = i... no:::' \_ .. ...J ! DEPTH*VELOCITY = 2.18 *********~******~**~*********~~********************************************* FLOW PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE = 3 -----------------------------------------------------~----------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< •====================================================================~===== ESTIMATED PIPE DIAMETER(lNCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.9 INCHES PIPEFLOW VELOCrTYCFE~T/SEC.) = 14.4 I UPSTREAM NODE ELEVATION = 370.00 r DOWNSTREAM NODE ELEVATION = 338.00 FLOWLENGTH(FEET) = 360.00 MANNINGS N -.013 ESTIMATED PIPE DIAMETER(INCH) =: 18.00 NU~BER OF PIPES F 1 PIPEFLOW THRU SUBAREACCFS) -9.00 TRAVEL TH1ECt1IN.) = .42 TC(MIN.) = 14;.27 **************************************************************************** FLOW PROCESS FROM NODE 6.00 TO NODE" 9.00 IS CODE '= 1 " ---------------------------------------------~--------------~---~-----------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================~=============================== CONFLUENCE VALUES USED FOR INDEPENDENT STR~AM 1 AR~: TIME OF CONCENTRATIONCMINUTES) = 14.27 RAINFALL INTENSITY (INCH~/HOUR) =: 3.21 TOTAL STREAM AREA (ACRES) = 5.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE =: 9.00 **************.******************.*********,*.*******************'***:************ • FLOW PROCESS FROM NODE 7.00 TO NODE . 8.00 IS CODE =: 2 • I -----------------------------------------~---------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANA~YSIS««< ===================================================~======================== SOIL CLASSIFICATION IS "DII , INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) -325.00 UPSTREAM ELEVATION = 385.00 DOWNSTREAM ELEVATION =: 364.00 ELEVATION DIFFERENCE = 21.00 WRBAN ~UBAREA DVERLAND TIME OF FLOW(MINUTES) = *CAUTloN: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 6.323 SUBAREA RUNOFF(CFS) 1.20 TOTAL AREA(ACRES) = .2~ TOTAL RUNOFF (CFS) - 4. ()32 1 ; ?() r ..... - I ************************************************************~*************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE ~ 6 -----------------------------------------------------------~----------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< , ===:===============:=====:======~=============================~===:==========:==~ • 338.00 UPSTREAM ELEVATION = 364.00 DOWNSTREAM ELEVATION =, ' STREET LENGTH(FEET) = 400.00 CURB 'HEIGTH(INCHES) =~ • STREET HALFWIDTH(FEET) = 28.ob STREET ~ROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREE~S CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = ~7J28 STREET FLOW DEPTH (FEET):" = .28 ! I 7.71 HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) = i'~ ';' : . -' -1 • ~. /-:':::' Q.l0 . ,,-' \ :"J , . It: .0200 .. ,,~~ . '. --w U) « ::t: a. ," I \\.J.\ .. ~Ul-, i Wi"" 1)l::.r" 1 r'il:':,:"'; c:.L.ULI J. I"i ..... J. " o\0l-.:;" STREET FLOW TRAVELTIME(MIN) =L 1.31 TC(MIN) - I 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.444 SOIL CLASSIFICATION IS "D" 6.31 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 11.98 SUMMED AREA(ACRES) = 4.20 TOTAL RUNOFF(CFS) -13.18 END OF SUBAREA STREET FLOW HYDRAULICS: • DEPTH (FEET) = .33 HALFSTREET FLOODWIDTH(FEET) = 10.20 FLOW VELOCITY(FEET/SEC.) = ·5.69 DEPTH*VELOCITY = 1.88 ;. **********************************************~***************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 1 --. w ---------.-------------------.----.--.-----------.--------------------'------------~ U) »»)DESIGNATE 'INDEPENDENT STREAM FOR CONFLU~NCE««< <C >:::-> > )AND COt~IPUTE VAR IOUS CONFLUENCED ~lTREAI'1 YALUES-::: -::: -::: < -:::. ::J: ===========================================================7================ CL CONFLUENEE VALUES USED FOR INDEPENDENT STREA't1 TIME OF CONCENTRATION(MINUTES) = 6.31 RAINFALL INTENSITY (INCH./HOUR) = 5.44 • TOTAL STREAM AREA (ACRES) = 4.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 2 9.00 13.18 14.27 6.31 3.215 5.444 2 ARE: 13.18 RAINFALL-INTENSITY~RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 16.78 18.49 _ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 18.49 TIME (MINUTES) 6.306 TOTAL' AREA (ACRES) = 9.20- I. 2 STRE:AMS **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE := 2 »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==============================================~======================~====== SOIL CLASSIFI'CATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) = 140.00 UPSTREAM ELEVATION = 438.00 DOWNSTREAM ELEVATION = 435.00 ELEVATION DIFFERENCE = '3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 9.787 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.100 SUBAREA RUNOFF(CF$) = .45 TOTAL AREA (ACRES) --.20 TOTAL RUNOFF(CFS) - I ! \ !.45 ! ****4****~***********************************~***********4*.**************** FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE = 6 •. ------------.... --------------~---:..---.-.---------------------.:..._--_ ... _--..,--------_. »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ! ===========================~===F============================================ UPSTREAM ELEVATION = 435.ob DOWNSTREAM ELEVATION; I 401.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) =!61 STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECI~A~) = .0200 SF'~~_;+ F I ED NUMBER OF _HALFST:~~E:'-S CARRY I N!3 RUNP,FF. .;.= 2 ; • I I ., I V 1 .... _ .. I .:. I It.... ......, .... 11 If ... .I! i .... J...~ ..... '--.. "'-j '·1 ..... • i 11.. .. 1 .. ·11 \1 i L.,..-I ... .!IJ.; \ ~ ... ·t· :..;.. F " ••• STREET FLOWDEPTH(FEET~ = .2B l HALFSTREET FLOODWIDTHCFEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.69 PRODUCT OF DEPTH&VELOCITY = 1.04 STREETFLOW TRAVELTIME(MIN) = 4.52 TC(MIN) = 14.30 50 YEAR RAINFALL INTENSITY(INCH/HOUR) =. 3.210 SOIL CLASSIFICATION IS "0" • SINGLE FAMILY DEVELOPMEN! RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 5.40 SUBAREA RUNOFF(CFS) = 9.53 SUMMED AREA(ACRES) = 5.60 TOTAL RUNOFF (CFS) = 9.99 END' OF SUBAREA 'STRE~tFLOW 'HYDRAULICS: . DEPTH (FEET) = .33 HALFSTREET FLOODWIDTH(F~ET) = 10.20 FLOW VELOCITY(FEET/SEC.) = 4.31 DEPTH*VELOCITY = 1.42 **********************************************~***************************** FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE = 1 , . ----------.... --------------------------_ .. _ .. ---':-"---'---------""!""-------""'!"----_ .. _------ »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( =========================================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.30 RAINFALL INTENSITY (INCH./HOUR) = 3.21 TOTAL STREAM AREA (ACRES) = 5.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.99 **************************************************************************** FLOW PROCESS FROM NODE 15.00 TO NODE 16.00 IS COD~ ~ 2 ------------~---------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««( .==========================================================::;:==================.== • , . SOIL CLASSIFICATION IS "D" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICI~NT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) == lOO.OO UPSTREAM ELEVATION = 437.00 DOWNSTREAM ELEVATION == 435.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF ~LOW(MINUTES) = 8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) == .50 TOTAL AREACACRES) == .20 TOTAL RUNOFF (CFS) -.50 *****************************.*****.***************************..*************** FLOW PROCESS FROM NODE 16.00 TO NODE 17.00 IS CODE'= r 6 ------------------------------------------------------------~---------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««( ============================================================t=============== UPSTREAM ELEVATION = 435.00. DOWNSTREAM ELEVATION == /402.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6 •. STREET H'ALFWIDTH (FEET) == 28. 00 STF~EET CROSSFALL (DECIMAL)! == .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 ; **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) == 7.~2 STREET FLOWDEPTH(FEET) == .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 AVERAGE FLOW Y~LOCITY(FEET/SEC.) = 3.88 PRODUCT OF DEPTH&VELOC1TY'== 1.22 • STREETFLOW TRAVELTIME (MIN) =' 4.30 TC (MIN) = 12.60: , 50 YEAR RAINFALL INTENSITY (INCH/HOUR) == 3.485 SOIL CLASSIFICAtION IS "D" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SWBAREA AREA(ACRES) = SL!B(~REj!.' mJNqFF (r.:,FS) =; , .', I, " d ", 14,1B :~,' :" ,~. ,._. : . ..... _, II il-....... I I: .1 .... 1). '.1" .... :1 .. 1-_ ...... ; .. l .. C ...... i I ...... I "'IL_ ["\UI'-IWr' r' '. L,j"·;:.) j .... J. '-1' II ;....c<;..i END OF SUB?~REA STREET FLOW HY~DRAUL I CS : DEPTH (FEET) = .36 HALFSTR~ET FLOODWIDTH(FEET) = 11.8~ FLOW VELOCITY(FEET/SEC.) = 4.82 DEPTH*VELOCITY = 1.75 ***~*****~**********~******************************************************* FLOW PROCESS FROM NODE 17.00 TO NODE 14.00 IS CODE = 4 -------------------------------------------------~----------------~--------- • »»>COMPUTE PIPEFLOW TBAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.6 INP'iES PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 i UPSTREAM NODE ELEVATION = 402.00 DOWNSTREAM NODE ELEVATION = 401.00 f:~LOWLENGTH (FEET> = 60. 00 tylANN I NGS N = :! • 01:;::' GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF P1PES - 1 PIPEFLOW THRU SUBAREA(CFS) 14.68 TRAVEL lIME(MIN.) = .11 TC(MIN.) = 12.71 **********************************************************~***************** FLOW PROCESS FROM NODE 17.00·TO NODE '14.00 IS CODE ~ 1 --------~-------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< . . . ========================================================~====~=============== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 12.71 . RAINFALL INTENSITY (INCH./HOUR) = 3.46' TOTAL STREAM AREA (ACRES) = 7.60 TOTAL STF~EA/"I RUNOF"F= (CFS) AT CONFLUENCE = . 14.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------------------------------~ ..... ------------------... -------!"--~-..... --- 1 2 9.99 14.68 14.30 12.71 :3.210 3.464 RAINFALL-INTENSITY-RAT~O CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 23.59 23.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 23.94 TIME(MINUTES) -12.710 TOTAL AREA (ACRES) = 13.20 ************************************************************~*************** FLOW PROCESS FROM NODE 18:00 TO NODE 19.00 IS CODE ~ 2 ----------------------------------------~------------------~----------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< , . ============================================================================ SOIL CLASSIFICATION IS "0" i SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) = 100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391~OO • ELEVATION DIFFERENCE = : 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW'CMINUTES) = 8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = ~50 TOTAL AREA(ACRES) -.20 TOTAL RUNOFF(CFS) -.50 • l. '" ••.• , ............ It ............... ~ '.'" ow;.~ I I I '. I J .... 1.._ i ~ .•. -'-~ ........... ~ AVERAGE FLOW VELOCITY\FEET/SEC.) == 2.26 PRODUCT OF DEPTH&VELOCITY == .56 STREET FLOW TRAVELTIME(MIN) == 6.26 TCCMIN) == 14.56 50 YEAR RAINFALL INTENSITY(INCH/HOUR) == 3.174 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF' COEFFICIENT == .5500 • SUBAREA AREA (ACRES) = 1.90 SUBAREA RUNOFF(CFS) = 3.32 SUMMED AREA(ACRES) == 2.10 TOTAL RUNOFF(CFS) -3.81 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH(FEET) -7.71 FLOW VELOCITY(FEET/~~C.) -2.68 DEPTH*VELOCITY -.75, I I I **************************************************************************** FLOW PROCESS FROM NODE 23.00 TO NODE 20.00 IS CODE = 4 »»)COMPUTE prPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================================================:=~========~======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ~LEVATION == 379.00 DOWNSTREAM NODE ELEVATION == 378.00 FLOWLENGTH(FEET) = 58.00 MANNINGS N .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES ~ PIPEFLOW THRU SUBAREA(CFS) = 3.82 TRAVEL TIME(MIN.).= .15 TC(MIN.) = 14.71 1. **************************************************************************** FLOW PROCESS FROM· NODE .. ·23·.00 TO NODE . 20.00 I S CODE =, .1 -------------_._---------_._------_. __ .. _-.. __ .. __ .... _-----------------:-------------------- • »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . > > >:> :>AND COMPUTE VAH I OUS CONFLUENCED STRE'AM VALUES< <: <: < < ================================================================~==~========= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 14.71; RAINFALL INTENSITY (INCH./HOUH) = 3.15' TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.82 CONFLUENCE INFORMATION: STREAM RUNOFF. TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ..... _----------.:.._-------------------_ ..... _-------_ .. _-----------..... -----:---------------, 1 5.40 15.32 3.071 2 3.82 14.71 3.152 RAINFALL-INTENSITY-RATIO CONFLUENCE FOHMULA USED FOR 2 STR~AMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 9.12 9.()E3 COMPUTED CONFLUENCE -0 MATES AF~E AS FOLLD.WS: RUNOFF (CFS) = 9.12 TIME(MINUTES) = 15.318 TOTAL AREA (ACRES) = 5.20 I eN{;) OF Sro/?N OR/l11V @ '8' srRtfeTJ Sec .111P.. Pt,.FlN SHT.-#/4 : **************************************************************************** • FLOW PROCESS FROM NODE 24 .. 00 TO I\IODE 25. 00 IS COD.E:= 2 ------------------------------~------------------------~------~------------»»>RATIONAL METHOD INITIAL ~UBAREA ANALYSIS««< : , I ================================~==========================9=T================== SOIL CLASSIFICATION IS "D" , SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I I'l I T-1 Ab ~4~g~£P.r-·~bf"'}W.:o!"b51'''G·rH ~ FEE'r ) .. - 1 ()<) .. (~~) ."," !I ":: ;-1P'.;: ,,1, ...... DOWNSTREAM ELEVATION = 416.00 ~ ELEVATION DIFFERENCE = , 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) = .50 •******.*******.************************.******.******************.*************. FLOW PROCESS FROM NODE -25.00 TO NODE 26.00 IS CODE = 6 ------------------------------------------------------------------~---------»»>COMPUTE STREETFCOW TRAVELTIME THRU SUBAREA««< ==============================================~============================= , UPSTREAM ELEVATION = 416.00 DOWNSTREAM ELEVATION = 375.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROS$FALL (DECIMAL) , = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW~CFS) -9.90 STREET FLOWDEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.97 PRODUCT OF DEPTH&VELdCITY = 1.56 _. STREET FLOW TRAVELTIME(MIN) = 3.02 TC(MIN) = 11.32 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = ;3.734 SOIL CLASSIFICATION IS "D" . SINGLE fAMILY' QEV~LOPMENT .RWNOFF·COEFFICIE~T = .5500 SUBAREA AREA(ACRES) = 9.10 SUBAREA RUNOFF(CFS) = 18.~9 SUMMED AREA (ACRES) = 9.30 TOTAL RUNOFF(CFS) = 19.19 END OF SUBAREA STREETFLOW HYDRAULICS: . . DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH(~EET) = 12.68 FLOW VELOCITY(FEET/SEC.) = 5.56 DEPTH*VELOCITY = 2.11, .******************************************;~************'*****'**.************* FLOW PROCESS FROM NODE 26.00 TO NODE 30.00 IS CODE = 4 ---------------~------------------~-----------------------------~-----------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUaAREA««< »»>USING USER-SPECIFIED PIPESIZE««< -============================================================d=============== DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAW NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 368.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 19.19 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 11.38 i I i I ************************************************************f*************** FLO~ PROCESS FROM NODE 26.00 TO NOD~ 30.00 IS CODE =' 1 --------------------------------------.-~----------------~--~---------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===========================================================9=======~======== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 11.38 RAINFALL INTENSITY (INCH./HOUR) = 3.72 TOTAL STREAM AREA (ACRES) = 9.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 AHE: 19.19 1 .. ~ . . i "*.*-1('***************************'*:-1(.*-1('******-***************.***.******.****.******** FLOW PROCESS FROM NODE 27. 00 TO NODE 28. 00 I S CODE;. == 2 .. ···--· .. · .. ;::-.'-.. --:-------· .. ··-.. -------.. -·--.... ·--:-~t"c. -:--." ... -.. ---.. ~---.... ----... ~-:. ~~,'.----~~.--!------------T--;.--.. - . ~:: ,,:' ", .... ,,:' ,,:-I"(H I ,L UI\li-IL 1711::. I Hl.JLJ 11'41 I 1 f~L; bUBAHl::::?i (4Nf:iL '{S I SO::: < 0::: -::: <: ~=============================.=============================~=============== I , SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 • URBAN SUBAREA OVERLAND T I t'IE elF FLD~~ (1"1 I NUTES) = 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.561 8.299 SUBAREA Hl!NOFF(CFS) == .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .50 **************************************************************************** FLOW PROCESS FROM NODE 28.00 TO NODE 29.00 IS CODE = 6 -----------------------------------------~----~-------------~---------------> > > > >COMPUTE STREET FLOW TRAVELT II'lE THRU SUBA,REA<: <: <: < <: ==================================================~================~======== • I . UPSTREAM" ELEVATION = 391.00 DOWNSTREAM ELEVATION = 370~00 STREET LENGTH (FEET) = 700.00' CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CRO~SFALl(OECIMA~) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = -2 **TRAVELTIME COMPUTED USING MEAN FLO~(CFS) = 5~19 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTHCFEET) = 7.11 AVERAG~ FLOW VELOCITY(FEET/SEC.) =, 3.64 PRODUCT OF DEpTH&VELOCITY = 1.02 STREETFLOW TRAVELTIME(MIN) = 3.20 TCCMIN) = 11.50 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.694 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 4.60 SUBAREA RUNOFF(CFS1 -9.35 SUl'lMED AREA (ACRES) = 4. 80 TOTAL RUNOFF (CFS) = 9. 8-5 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .33 HALF STREET FLOODWIDiH(FEET) = 10.20 FLOW VELOCITY(FEET/SEC.) = 4.25 DEPTH~VELOCITY = 1.40 , i **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE 30.00 IS CODE '= 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 24.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 10.9 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 368.00 7.9 INCHES FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPEFLOW THRU SUBAREA (CFS) = 9.85~ TRAVEL TIME(MIN.) = .08 TC(MIN.)·= 11.58 , PIPES - I I ! ***********************************************************t**************** FLOW PROCESS FROM NODE 29.00 TO NODE 30.00 IS CODE ~ 1 . . ---------------------------------------------------------------------------- • ' »»>DESIGNATE INDEPENDENT STREA(v1 FClH CClNFLUENCE««< / »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««<: ===============================~==========================,====~====~======= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: i ; TIME OF CONCENTRATION(MINUTES~ = 11.58 ! - RAINFALL INTENSITY (INCH./HOUR) = 3.68 'TOT. ~ .. ~ &TBEAfvl AREA (0~Rf::S,>, .:::: > > 4. 80 • • •• 1 • • I~.... ••.. I. ••..• •• I .......... I. • .... I ·_M'. ..... ..... •• '-........... "'~ "l ..... 1_ .. ~ CONFLUENCE INFORMATION: I STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (t1IN.) (INCH/HOUR) ----------------------------------------------------------------------------1 2 19.19 9.85 11.3El 11.58 3.72() 3.679 • F<AINFALL-INTENSITY-RATIO CONFLUENCE FOF~MULA USED FOR 2 STREAMS VARIOUS CONFlUENCED RUNOFF VALUES ARE AS FOLLOWS: 28 .. 93 ... 28 .. 84 COMPUTED CONFLUENCE ESTII"IATES (·mE: AS FOllOWS:: RUNOFFCCFS) = 28.93 TIME(MINUTES) -~1.380 TOTAL AREACACRES) = 14.10 -, **********M***************************************************************** FLOW PROCESS FROM NODE 30.00 TO NODE 4~.00 IS CODE ~ 4 ~---------~-------------~---------------------------------~-----------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==============================================~==================~========~== DEPTH OF FLOW IN 30.0 INCH PIPE IS 14.2 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 12.6 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N -.013 GIVEN PIP~ DIAMETER(INCH) = 30.00 NUMBER OF PIPES - 1 PIPEFLOW 1HRU SUBAREA(CFS) = 28.93 TRAVEL TIME(MIN.) -1.32. TC(MIN.) = 12.70 ********************************************************~******************* • FLOW PROCESS FROM NODE 31 . 00 TO NODE -~52. 00 I S CODE = 2 ______________ .... ______________ -;---_ •• _ .. ___ .. _ .. __ ..... _ ............. ..: __ .. _ .. ____ .. _________ ....... _1 ___ • __________ ..... _ »»>RATIONAL METHOD INITIA~ SUBAREA ANALYSIS««< ======================================================~===================== SOIL CLASSIFICATION IS liD" , SINGLE ~AMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) = 100.00 UPSTREAM ELEVATION = 377.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA .OVEHLAND TIlvlE OF FLOW (MINUTES):::: 8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) - **************************************************************************** -I FLOW PROCESS FROM NODE -32.00-TO NODE 33.00 IS CODE ==: 6 , -----------------------------------------~-----------------------------------»»>COMPUTE STREETFLOW TRAVELtIME THRU SUBAREA««< ==========================================~=================~================ • 372.00 UPSTREAM ELEVATION == 375.00 DOWNSTREAM ELEVATION = I STREET LENGTH (FEET) == 580.00 CURB HEISTH(INCHES) = 6.1 STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL1 == SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIt1E COMPUTED ,USING t'IEAN FLOW (CFS) :::: STREET FL.OWDEPTH(FEET), = .28, HALFSTREET FLOODWIDTH(FEET) == 7.71 AVERAGE FLOW VELOCITY (:fEET ISEC.) = 1.49 PRODUCT OF DEPTH&VELOqITY :::: .42 STREET FLOW TRAVELTIME(MIN) == 6.47 TC ("1IN) = -, , ! 14.77. ~0200 ,"'\ 1-:<' .:..::. . ...:, 50 Y~AR kAINFALL INTENSITY (lNCH/HOUR) = 3.145 SOIL CLASSIFICATION IS IIDII ~ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 1.90 SUBAREA RUNOFF(CFS) = 3.29 SUMMED AREA(ACRE$) = 2.10 TOTAL RUNOFF(CFS) = 3.79 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .33 HALFSTREET FLOODWIDTH(FEET) = 10.20 FLOW VELOCITY(FEET/SEC.) = 1.64 DEPTH*VELOCITY = .54 •• • • **************************************************************************** FLOW PROCESS FROM NODE 33.00 TO NODE 37.00 IS CODE = 4 ==============================================~===========================~~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.9 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = '.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) -3.79 TRAVEL TIME(MIN.) = .09 TC~MIN.) = 14.86 ***************~****************************~******************************* FLOW PROCESS FROM NODE 33.00 TO NODE 37.00 IS CODE =' 1 ------------------------------------------------~---------------------------»»)DESIGNATE ·INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION(MINUTES) = 14.86 RAINFALL INTENSITY (INCH./HOUR) = 3.13 • TOT AL STREA\"\ AREA ( ACRES) = 2. 10. TOTAL STREAM RUNdFF(CFS) AT CONFLUENCE -3.79 ******************************************~********************************* FLOW PROCESS FROM NODE 34.00 TO NODE 35.00 IS CODE = i 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===================================================================~==~=~==== SOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 376.00 DOWNSTREAM ELEVATION = 374.00 ELEVATION DIFFERENCE =' 2.00 URBAN SUBAREA OVERLAND TIME, OF FLOW(MINUTES) = 8~299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = j I i ************************************~**********************~**************** FLOW PROCESS FROM NODE 35.00 TO NODE 36.00 IS CODE ~ 6 ----------------------------------------------------------------------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< J 4I'=~~~~~~~~=~~~~~~7~~=:====;.;~~~;===~~~~S~~~~~=~:~~~~7~~=~~===;,;;~~~========= STREET LENGTH(FEETl = 500.00 CURB HEIGTH(INCHES) = ;6~ STREET HALFWIDTH(FEET) = 28.0~ STREET CROSSFALL(DECI~A~) = .0200 • J • SPECIFIED NUMBER DF HALFSTREETS CARRYING RUNOFF = 2 : ; **TRAVELTIME COMPUTED WSING MEAN FLOW(CFS) = ! 1~B8 • I STREET Fl:OWDEF'TH(FEET) = .21:3 I AVERAGE FLOW VELOCITYfFEET/SEC.) == 1.32 PRODUCT OF DEPTH&VELOdITY :::: .37 STREETFLOW TRAVELTIME(MIN) == 6.33 TC(MIN) == 14~63 50 YEAR RAINFALL INTENSITY (INCH/HOUR) == 3.164 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA ~REA(ACRES) == 1.60 SUBAREA RUNOFF(CFS) = • SUMMED AREA (ACRES) = 1 . 80 TOT AL RUNOFF (CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .33 HALFSTREET FLOODWIDTH(FEET) == 10.20 2.7E3 3.29 FLOW VELOCITY(FEET/SEC.) == 1.42 DEPTH*VELD,CITY == .47. I i **************************************************************************** FLOW PROCESS FROM NODE 36.00 TO NODE 37.00 IS CODE == 4 , I ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME.THRU SUBARE~««< »»>USI~G USER-SPECIFIED PIPESIZE««< =========================================================================================*====================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.):::: 13.9 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION == 363.00 FLOWLENG~H(FEET) == 50.00 MANNINGS N = : .013 GiVEN PIPE DIAMETER(INCH) == 18.00 NUMB~R OF PIPES == 1 PIPEFLOW THRU·SUBAREA(CFS) -3.29 TRAVEL TIME(MIN.) == .06 TC(MIN.) == 14.69 **************************************************************************** FLOW PROCESS FROM NODE 36. 00 TO NODE 37 • 00 I S CODE =, 1 ----------------------------------------~-----------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< .: 4It=~~~~~~~~==~~~~~~==~~:!~~:=~~~:~~~~~:~=:!~=~~*~~~~=::::::======~==================== CONFLUENCE VALUES USED FOR INDEPENDENT StREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) :::: 14.69 . RAINFALL INTENSITY (INCH./HOUR) == 3.16~ TOTAL STREAM AREA (ACRES) == 1.80 TOTAL STREAM RUNOFF(CFS) ~T CONFLUENCE == 3.29 CONFLUENCE INFORMATION: STREAM . RUNOFF T I ME' ''1 NTENS I TY NUMBER (CFS) (MIN.) (INCH/HOUR) . . -. ----------------------------------------------------------------------------, 1 :3.79 3.29 14.86 14.69 3.132 3.156 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 2 STRE:AMS ! , 7.1:)5 7.05 , COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 7.05 TIME(MINUTES) -14.857 TOTAL AREA (ACRES) = 3.90 **************************************************************************** . FLOW PROCESS FROM NODE 37. ,00 TO NODE 200. 00 IS COD.E: == 4 .-;;;;;~~~~~~~-~~~~;~~~-~~~~~~~~~~-~~~~~~~;~~~~~~~~~----~'------'------------- »»>USING USER-SPECIFIED PIPESIZE««< ~ i ===============~==============~~========================T=T================= DEPTH OF FLOW IN 24.0 INCH P'IPE IS 5.9 INCHES .' PI PEFLOW VELOC I TV (-FEE-T+SEC. ~. -:=---11 • 8----___ C._:--:-;-:----- . . :~ ~ ·t~:· '.' .. "~t~}1 " :: . . . : ., • .... 'l ...... 1 r ',,,,Mt It t I ,,-, .... ·loo-f. ... "-i .... ., !' Ii J. j_'l~l ' DOWNSTREAM NODE ELEVATION :::: FLOWLENGTH(FEET):::: 475.00 GIVEN PIPE DIAMETER(INCH) :::: PIPEFLOW THRU SUBAREA(CFS) - TRAVEL TIME(MIN.) -.67 : -:r 4() ("le) ~ ._t ....... I t1ANNINGS N = .013 24.00 NUMBER OF PIPES = 1 7.05 TC(MIN.) = 15.53 ********oj(-***-**oj(-*****************oj(-**********oj(-************-x-**oj(-***oj(-*******.***** • FLOW PROCESS FRON NODE 37. 00 TO NODE 200. 00 I S CODE = 1 . -------------------------~-------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==============================================~=======~===================== CONFLUENCE VALUES USED FOR INDEPENDENT STREA~ 1 ARE: TINE OF CONCENTRATION(MINUTES) = 15.53 RAINFALL INTENSITY (INCH./HOUR) = 3.04 TOTAL STREAM AREA (ACRES) = 3.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.05 **************************************************************************** FLOW PROCESS FROM NODE 38.00 TO NODE 39.00 IS CODE = 2 --------_ .. _----------------____ .. _00 ________ 00 ______ ._---_______ .. ___ '..:... ________ -_______ _ »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::====::::==::::=::::===::::::::=::::==::::=::::=::::====::::::::::::===::::::::::::::::==============::::=::::===::::=====~::::::::=::::::::===== SOIL CLASSIFICATION IS "D" ; SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET):::: 100.00 UPSTREAM ELEVATION = 357.00 DOWNSTREAM ELEVATION = 354.00 ELEVATION DIFFERENCE:::: 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) :::: *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION.-EXTRAPOLATION OF NOMOGRAPH USED. • 5(~) YEAR RAINFALL INTENSITY (INCH/HOUFO ::< 4.678 SUBAREA RUNOFF(CFS) :::: .51 . TOTAL AREA (ACRES) = .20 TOTAL RUN.OFF(CFS) = .. 7.97B .51 *******************************************.************************-*******.** f FLOW PROCESS FROM NODE 39.00 TO NODE 40.00 IS CODE:::: -6 ________ .. _____ .. ___________ ~ ____ "_ .. _____ oo __________ .. _____ .. __ .. ________ ' __ .. ______________ _ »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===================::::==========:=================================~::::===~====== UPSTREAM ELEVATION = 354.00 DOWNSTREAM ELEVATION = 350.00 STREET LENGTH(FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 I **TRAVELTIME COMPUTED USING MEAN.FLOW(CFS) = 6.9~ STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTHCFEET) = 11.85 AVERAGE FLOW VELOCITY (FEET ISEC.): = 2.28 PRODUCT OF DEPTH&VELOCITY = :.83 STREETFLOW TRAVELTIME(MIN) = 3.65 TC(MIN) = 11.63 50 YE~R RAINFALL INTENSITY~INCH/HOUR) = 3.669 SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.40 SUBAREA RUNOFF(CFS) = .12.92 SUMMED AREA(ACRES) = 6.60' TOTAL RUNOFFCCFS) = 13.43 • END OF SUBAREA STREET FLOW HYDRAULICS: . ; DEPTH (FEET) = .45 HALFSTRE~T FLOODWIDTH(FEET) = 15.99 _ FLOW VELOCITY(FEET/SEC.) = 2~51 DEPTH*VELOCITY = L~U2 i j 1 ; --~vvv~v~~vvvvuvvvvu~uuvvvuuvu~~vLvuuuV~UU~VNVVVVV~uuuvuuu~~~uv~uuuvu~-.uv~uuuu .. ':. . .. ,: ,~~ ~t-~"::. : ,:',. ',.' "'~' . ~ .: ~ : .. . ':",: ,~,~~. :.f 1ii., :-~,' '. . . . 4, ~...' " ' : ;~'~.~~~~:~ .::~. ", ",,\~, ';: ~ ~I ,: .,' ": • I' .. ~. ~: • ~ • .' ':'::ft·.>~~~':"" . FLUW PROCESS FROM NODE i+O;, 00 TO NODE 200.00 IS CODE ..,;. 4- ------------------------------t--·------------·------------.-.-~--------,....-------- »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM" NODE ELEVATION = 351.00 DOWNSTREAM NODE ELEVATION = 350.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(iNCH) = 18.00 NUMBER OF PIPES - PI PEFLOW THRU SUBAREA (CFS) --1 :3. 4:3 TRAVEL TIME(MIN~) = .07 TC(MIN.) = l1i10 , 1 **********************************************,***************************** FLOW PROCESS FROM NODE 40.00 TO NODE 200.00 IS CODE ~ 1 ----------------------------------------------~----------------------~------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . . =================*============================================~============= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.70 : I'· RAINFALL INTENSITY (INCH./HOUR) = 3.66 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -13.43 **************************************************************************** FLOW PROCESS FROM NODE 41.00 TO NODE . 42.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================= • , . SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 .' INITIAL SUBAREA FLOW-LEN6THCFEET) -100.00 UPSTREAM ELEWHION = 365. 00 DOWNSTREAM ELEVATION = 363.00 ELEVATION DIFFERENCE = '2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = 8.299 .50 **************************************************************************** FLOW PROCESS FROM NODE 42. 00 TO NODE 43. 00 I S CODE =: 6 ----------------------------------------------------------~-----------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< =============================================================9============~== • UPSTREAM ELEVATION = 363.0,0 DOWNSTRE?)M ELEVATION = ,343.00 STREET LENGTH (FEET) = 600 ... 00 CURB HEIGTH (INCHES) ::.~ 6. ! STREET H?\LFWIDTH (FEET> = 28. (n) STI=-<EEi" 'CROSSFALL <DECIMAL)! = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYI~G RUNOFF = 2 **TRAVELTIME COMPUTED USING MEA~ FLOW~CFS) = STREET FLOWDEPTHCFEET) = .21 HALFSTREET FLObDWIDTH(FEET) = AVERAGE FLOW VELOCITYCFEET/SEC.) = 4,.40 PRODUCT OF DEPTH&VELOCITY = .65 ~5. 05 STREETFLOW TRAVELTIME(~UN) = 3.27 ,TC(MIN) = 11.57 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.680 SOIL CLASSIFICATION IS "D" ~ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.4d· SUBAREA RUNOFF(CFS) = SUMMED AREAtACRES) = 1.60: TOTAL RUNOFFlCFS, = END OF -SUBAF<EA STREETFLOW HYDF~AUL I CS: ' ---. :;.:' '.~.. ' " .. ~;. . ' ~ . : -~ ;, I i :,., 8"' I .a:... ._1 I 3.34 I r5· .'.; _., • ••• • j '. I ,~".". • I Ii ...... 1 ~..1 i I ·.l.....i .... l "l_' .... ··._' ... il/\I.L J .. l I j I "'.1 L_I .... i J ~... Col It \ .... ~ .. } FLOW VELOCITY(FEET/SEC.) == ~.44 DEPTH*VELOCITY == 8e::" • ;J I *****************'**-li,********'**'*********,************************************* FLOW PROCESS FROM NODE 43.00 TO NODE 200.00 IS CODE = 4 -----------------------------------------~----------------------------------»»)COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA««( »»)USING USER-SPECIFIED PIPESIZE««( , e=~~~~~=~~=~~~~=~~==~~~~=~N~~=~~~~==7~===~~~=7~~~~~=============================== PIPEFLOW VELOCITYCFEET/SEC.) == 7.7 UF'STREAt1 NODE ELEVAtioN == 348.00 DOWNSTREAM NODE ELEVATION = 347.00 FLOWLENGTH(FEET) == 30.00 MANNINGS N == .013 GIVEN PIPE DIAMETER(INCH) == 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) = 3.34 TRAVEL TIME(MIN.) = .07 TC(MIN.) = 11~64 **************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 2do.00 IS CODE == 1 , . . ' ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( »»)AND COMPUTE VARIOUS CONFLUENCED STREAK VALUES««< ======================================::::::::::==::::====:==============='====.============ CONFLUENCE VALUES USED FOR INDEPENDENT STR~AM 3 ARE: TIME OF CONCENTRATION(MINUTES) == 11.64 RAINFALL INTENSITY (INCH:/HOUR) = 3.67 TOTAL STREAM AREA (ACRES) = 1.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 3.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY • NUMBER (CFS) (MIN.) (INCH/HOUR) ~ .' I' ------_ ..... _------_ .. _--------_ ... _--_ ..... _---_ .. _----_:...._---------_ .. _ ..... _--_..:..._-------:--_.-":."'"-- 1 7.05 15.53 3.044 2 13.43 3 3,.34 11. 70 11.64 3.667 i RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 21.00 22.63 22.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) == 22.63 TIME(MINUTES) == 11.695 TOtAL AR~A(ACRES) = 12.10 I I **************************************************************************** FLOW PROCESS FROM NODE 200.00 TO NODE 44.00 IS CODE =! 4 -------------------------------~----------------------------~---------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««( »»)USING USER-SPECIFIED PIPESIZE««( ============================================================~===============i. DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.1 UPSTREAM NODE ELEVATION = 348.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET} == 80.00 MANNINGS N = .013 , GIVEN PIPE DIAMETER(INCH) == 24~00 NUMBER OF PIPES ~ • PI PEFLOW THF<U SUBAREA (CFS) = 22. 63 TRAVEL TIME(MIN.) = .08 TC(MIN.) == 11.77 : " .. I \ .. ; ! , f } , 1 **************************'****'**'***************************,***************** FLOW PROCESS FROM NODE 200.00 TO NODE 44~00 IS CODE;= 1 ,', ----~~~----------------------~----_~---w~~-----~ __ -------------------------- :>:>:>:> :>DES 1l::lI'4c-:d i:.:. 11\IDEPENDENT S;rI-{EI~:tI'l F UH COhIFLUEI\ICE<: <: <: <: < ===================================b======================================::========= I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) == 11.77 RAINFALL INTENSITY (INCH./HOUR) == 3.64 TOTAL STREAM AREA (ACRES) = 12.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 22.63 .'*****,********************************'*,*******************************~***** FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE = 7 ______________________ ~_-____ -_________________ ~ ___ -_.o.-________ .. ______ "'!""" _______ _ »»)USER SPECIFIEti HYDROLOGY INFORMATION ATi NODE««< ==~~~~:~PEciFiED=VALUES=ARE==AS=F~LLOWS~===========~======================================== TC(MIN) == 12.50 RAIN INTENSITY (INCH/HOUR) == 3.50 TOTAL AREA (ACRES) == 14.10 TOTAL RUNOFF ('CFS) == 35. 1::;~ I *********~************************************************i***************** FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE == 1 --------------------------~------------------~------------------------------:»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< " j. ==~=========================================T=============================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) == 12.50 RAINFALL INTENSITY (INCH./HOUR) == 3.50 TOTAL STREAM AREA (ACRES) == 14.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35.1~ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) .--~-~-------;; .. -~;-----~~~;;----.-.--;~~~;;----~---.--------------~-----------~--- 2 35.12 12.50 3.502, RAINFALL-INTENSITY-RATIO CONFLUENCE FORl'lULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5b.41 56.89 COMPUTED CONFLUENCE -0 'IMATES ARE AS FOLLOWS: RUNOFF (CFS) == TIME(MINUTES) == 12.500 TOTAL' AREA (ACRES) -26.20' , S'TCJRt1 IJ)?,t:;/A/ It\JrERSeCT/Ot<! ,q ... ;::;.$'T. f /( S T. **************************************************************************** I FLOW PROCESS FROM NODE 44.00 TO NODE 201.00 IS CODE =/ 4 ------------------------------------------------------------~---------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ! »»>USING USER-SPECIFIED PIRESIZE««< i ========================================~==================9================ DEPTH OF FLOW IN 36~0 INCH PIPE IS 1~.4 INCHES I ' PIPEFLOW VELOCItY(FEET/SEC.)::: 14.6 UPSTREAM NODE ELEVATION == 342.00 DOWNSTREAM NODE ELEVATION == 332.00 FLOWLENGTH (FEET) == 375. 00 t1ANN I NGS N:::: . 013 GIVEN PIPE DIAMETER(INCH) = 36~00 NUMBER OF PIPES ::: 1 PI PEFLOW THF<U SUBAREA (CFS) .. 56. 89 • TRAVEL TIME(MIN.):::: .43. TC(MIN.) == 12.93 '*'**************'*'****'*'*********11;'*'**********'*'**~**~~******:**r***1E'*'*'************ FLOW PROCESS FROM NODE 44 .. 00 TO NODE 201 • IJIJ I S CODE;::: 1 I ' ---------------------------------------------------------~--~-------~-------I : ~.' " .;;~ ": I, "l-";. (" .~: I, ===;~~;~~~~~~==~~:~~;=~;~;=;~~=7~~~;'~~~~~~==~~~~~~==7=~~~~========::~:=:=======:======= TIME OF CONCENTRATION (MINUTES) == 12.93 RAINFALL INTENSITY (INCH./HOUR) = 3.43 TOTAL STREAM AREA (ACRES) = 26.20 TOTAL STREAM, RUNOFF (CFS) AT CONFLUENCE = 56.89 •**********'*'*******************'1(0****************'**********************'***** FLOW PROCESS FROM NODE . 45.00 TO NODE 46.00 IS CODE = 2 ------~---------------------------------------------------------------------:::-> >:;:. >RAT I ONAL t1ETHOD' I NIT I AL SUBAREA ANAL YS I S;< < < <-::: ==============================================9================================ SOIL CLASSIFICATION IS "D" I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.QO UPSTREAM ELEVATION = 347.00 J DOWNSTREAM ELEVATION = 345.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) == 50 YEAR RAINFALL INTENSITY (INCH/HOUR) == 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) - 8.299 ,,"50 ********************************************~******************************* FLOW PROCESS FROM NODE 46.00 TO NODE '47.00 IS tODE = . 6 , ----------------------------------------------------------------------------> >-> >->COI"1PUTE STREET FLOW TRAVELT I 1"1E THRU SUBAREA< < -::: < < ============================================================================ • UPSTREAM ~LEVATION == 345.00 DOWNSTREAM ELEVATION =" ""!t"~"""I" .... ';;";;";;" (J(J STREET LENGTH (FEET)· = 600. 00 CURB HE I GTH ( INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECI~AL) == SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) - STREET FLOWDEPTH(FEET) = .39 HALF STREET FLOODWIDTH(FEET) = 13.10 AVERAGE FLOW VELOCITY(FEET/SEC.) ~ PRODUCT OF DEPTH&VELOCITY = 1.35 3.47 STREET FLOW TRAVELTIME(MIN) = 2.88 TC(MIN) == 11.18 50 YEAR RAINFALL INTENSITY (INCH/HOUR) == 3.762 SOIL CLASSIFICATION IS liD''' SINGLE FAMILY DEVELOP~ENT RUNOFF COEFFICIENT = .5500 6.36' SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) -11.59 SUMMED AREA (ACRES) = 5.80 TOTAL RUNOFF(CFS) = 12.q9 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .46 HALFSTREET FLOODWIDTH(FEET) -16.62 FLOW VELOCITY{FEET/SEC.) = 4.20 DEPTH*VELOCITY = 1.93! .0200 ************************************************************~*************** FLOW PROCESS FROM NODE 47.00 TO NODE 201.00 IS CODE ~ 4 -----------------------------------------------------------1------~---------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< t ,; f ~======================~======================================================== • DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) F 15.2 UPSTREAM NODE ELEVATION = 316.00 DOWNSTREAM NODE ELEVATION = 314.00 8.3 INCHES FLOWLENGTH(FEET) = 24.00 \MANNINGS N = .013 GIVEN PIPE DIAt"lETER (INCH) = i18.OO NUt1BER OF PIPES T PIPEFLOW THRU SUBAREA (CFS) = 12.09 TRAVEL TIME{MIN.) -.03' TC(MIN.) = 11.21 )~~~:';f.: . :' ~::r . "'i\~\':'1 .... 1 . ******************************~********************************************* FLOW PROCESS FROM NODE 47.00 TO NODE 201.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE ,VARIOUS CONFLUENCED STREAM VALUES««< =======================================================================~===== • CONFLUENCE VALUES USED FOR INDEpENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.21 RAINFALL INTENSITY (INCH./HOUR) = 3.76 TOTAL STREAM AREA (ACRES): 5.80 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 12.09 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------~------------------------------ 1 2 56.89 12.09 12.93 11. 21 3.427 3.757 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMUL~ USED FOR 2 STREAMS VAR IOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: f· 67.92 63.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 67.92 TIME(MINUTES) _ i 12.927 TOTAL AREA (ACRES) = 32~00 **************************************************************************** FLqW PROCESS FROM NODE 201.00 TO NODE 48.00 IS COD~ .= 4 ----------.. -------.---.. ---------.. --.... ---.. --.. ------.-.. --: ... ---.. ----....... ---.. -----.. ----------.. -"""t--'-- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ' 4Ir=;~;.~~=;;=;.:;~=7~==;.:~~=7~~~=;7;.~=~;==7~~;=7~~~~;==========~================ PIPEFLOW VELOCITY(FEET/SEC.) = 17.1 UPSTREAM NODE ELEVATION = 316.00 DOWNSTREAM NODE ELEVATION = 307.00 . FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.DO NUMBER OF PIPES -i PIPEFLOW THRU SUBAREA(CFS) -67.92 TRAVEL TIME(MIN.) -.24 TC(MIN.) = 13.17 *****************~********~************************************************* FLOW PROCESS FROM NODE 201.00 TO NODE 48.00 IS CODE =; 1 ----~-----------------------------------------------------~-----------------i »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I ==============~=========================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATIONCMINUTES)"= 13.17 RAINFALL INTENSITY (INCH./HOUR) = 3.39 TOTAL STREAM AREA (ACRES) = 32.00 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 67.92 -j('********'*'**************************'**,*'********************,*****'*'*********** FLOW PROCESS FROM NODE 202.00 TO NODE 49.00 IS COpE,': 2 -----------------~------------~--------~----------------~-------------------4It=:~:::~~~!~~~~=~~!~~~=!~!~!~~~;.~~~~;,~=~~~~~~!;.:::::====1=================== SOIL CLASSIFICATION IS 110 11 : ; SINGLE FAMILY DEVELOPMENT RUN'oFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEETt = 100.00 UPSTREAM ELEVATION ~ 343.00 '':' ;I, ):", 'I " ," . ~,~. . l.I _.t·.·, I ·l· ... : I I ........ \1. I .... ~ ... I .... ,; 1 I I .... ..i I '1 ELEVA'I" I en\1 D I FFEREt\lCE = ;~ 2. (H) _ URBAN SUBAREA OVERLAND TIM~ OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CPS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .50 **************************************************************************** • FLOW PROCESS FROM NODE . 49. 00 TO NODE. 50. 00 I S CODE = 6 . . ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==============================================~=======~===================== UPSTREAM ELEVATION = 341.~0 DOWNSTREAM ~LEVATION = 306.00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW~CFS) - STREET FLOWDEPTH(FEET) = .. 30 3.3C) HALF STREET . FLOODW i o'TI-j'( FEET) = 8. 8B' AVERAGE FLOW VELOCITY(FEET/SEC.) -·3.64 PRODUCT OF DEPTH&VELdCITY = 1.10: STREET FLOW TRAVELTIME(MIN) = 4.58 TC(MIN) = 12.88 '. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.434 SOIL CLASSIFICATION IS "D" ; SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.90 SUBAREA RUNOFF(CFS) = 5.~8 SUMMED AREA (ACRES) = 3. 10 TOTAL RUNOFF (CFS): = 5.98 END OF SUBAREA STREETFLOW HYDRAULICS: , DEPTH (FEET) = .35 HALFSTREET FLOODWIDTHtFEET) = 10.99 - FLOW VELOCITY(FEET/SEC.) = 4.51 DEPTH*VELOCITY = 1.56 .0200 •******************************************;************.*'*****,*************** FLOW PROCESS FROM NODE 50.00 TO NODE 48.00 IS CODE = 4 ' »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ~ ==;~;'~~=~;=;~~~=7~==7~~~=7~~~=;'7;:~=7;==~=;~;=7~~~~;===========t==:============= PIF'EFLOW VELOCITY (FEET ISEC.) ,= 12.6 UPSTREAM NODE ELEVATION = 306.00 DOWNSTREAM NODE ELEVATION = 304.00 FLOWLENGTH(FEET). = 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) = 5.98 TRAVEL TIME(MIN.) = .03 TC(MIN.) = 12.92 ; ! I **************************************************************************** FLOW PROCESS FROM NODE 50.00 TO NODE 48.00 IS CODE =: 1 , , . ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ '. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 12.92 RAINFALL I~n.ENSITY (INCH. IHOUR) == 3. 4~5 TOTAL StREAM AREA (ACRES) = . 3.10 TOTAL STREAM RUNOFF(CFS) AT CbN~LUENCE - 1 CONFLUENCE INFORMATION: \ STREAM RUNOFF TIME INTENSITY NUt"'lBER (CFS) (MIN.) (INCH/HOUR) 2 ARE: ~ l .! 5.98 , , ' -------------------------------~----------~----~~-------~--~-----------------;~. .:' . I,:, ,', • 2 5.98 12.92 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 73.82 73.04 COMPUTED CONFLUENCE 'ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 73.82 TIME(MINUTES) -13.170 TOTAL AR~A(ACRES) ~ 35.fO **************************************************************************** FLOW PROCESS FROM NODE 48.00 TO NODE 127.00 IS CODE:::. 4 ----------------------------------~-----------~-----------------------------• •• ! »»>COMPUTE PIP~FLOW TRAVELTIME THRU SUBAREA««< »»)UBING USER-SPECIFIED PIPESIZE««< ============================================================================= DEPTH OF FLOW IN 36.0 INCH PIPE IS 22.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.3 UPSTREAM. NODE ELEVATION = 305.00 DOWNSTREAM NODE ELEVATION = 302.00 FLOWLENGTH(FEET)::: 100.00 MANNINGS N == :.013 GIVEN PIPE DIAMETER(INCH) ::: 36.00 NUMBER OF PIPES -',1 PIPEFLOW THRU SUBAREA(CFS) = 73.82 TRAVEL TIME(MIN.) == .10 TC(MIN.)::: 1~.27 ********************************************.******************************* FLOW PROCESS FROM NODE 48.00 TO NODE 127.00 IS CODE =' 1 --------------------------------------------~----~------~-------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =============================================================================== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 13. :;:7 RAINFALL INTENSITY (INCH./HOUR) = 3.37' TOTAL STREAM AREA (ACRES) = 35.10 TOTAL STREAM RUNOFF(CFS) AT CONFLU~NCE -, ,73.82 **************************************************************************** FLOW PROCESS FROM NODE 125. 00 TO NODE 126. 00 I S CODE = j 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ================================================================~=========== SOIL CLASSIFICATION IS "DII RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.03(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FE~T) == 800.00 UPSTREAM ELEVATION = ~47.00 DOWNSTREAM ELEVATION = 301.00 ELEVATION DIFFERENCE == 46.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.250 SUBAREA RUNOFF(CFS) = 2.05 TOTAL AREA(ACRES) ::: 1.40 TOTAL RUNOFF(CFS) ::: ; ! I 2;.05 *********************************************************~*~******~********* FLOW PROCESS FROM NODE 126.00 TO NODE 127.00 IS COD~ ~ 1 , -----------------------------------------------------------------------------• »»>DESIGNATE INDEPENDENT STREAtT1 FOFi: ,CONFLUENCE<;«« t »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ===============================h=========:::==::=:::==========*'=1'===============-== CONFLUENCE VALUES USED FOR IN~EPENDENT STREAM 2 ARE: i i TIME OF CONCENTRATION(MINUTES) ~ 14.03 ' RAINFALL INTENSITY (INCH./HOUR) = 3.25 " • t" '.!-; ..• ~ ~ -.. 50 YEAR RAINFALL INTENSITY~INCH/HOUR) = 3.889 SOIL CLASSIFICATION IS "D" ! SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.80 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 9.00 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: 18.82 DEPTH (FEET) = .47 HALFSTREET FLOODWIDTH(FEET) -17.32 • FLOW VELOCITY (FEET ISEe.) = 6.20 DEPTH*VELOCITY = 2.93 **************************************************************************** FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS CODE =, 4 t ----------------------------------------------~-----------------------------• »»>COMPUTE PIPEFLOW TRAV~LTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================================:====*=============~=============== DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.0 UPSTREAM. NODE ELEVATION ~ 400.00 DOWNSTREAM NODE ELEVATION = 364.00 FLOW LENGTH (FEET) = 600 .. 00.. l'1ANN I NGS N = ' . 013 GIVEN PIPE DIAt1ETER (INCH) = 18.00 NUMBER OF PIPES = "1 PIPEFLOW THRU SUBAREA(CFS) = 19.32 TRAVEL TIME (MIN.) = .67 TC (MIN.) = U.29 ********************************************~******************************* FLOW PROCESS FROM NODE 51.00 TO NODE 55~oq IS CODE = . 1 ------------------------~-------------------~------------~---------------~--»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 11.29 • RAINFALL INTENSITY (INCH. IHOUR) = 3.74_ TOTAL STREAM AREA (ACRES) = 9.00 ' TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - ' 19.32 *************************************************************~************** FLOW PROCESS FROM NODE 52.00 TO NODE 53.00 IS CODE =! 2 ---------_ .. _-_ ....... _--------_ .. _---_ .. __ ._--------_ .. __ .. -.. ---------------~------""!""---------..... :>:>:> >->-R.AT I ON{:)L METHOD I NIT I AL SUBAREA ANAL YS I S< -::: -::: -:::-::: ============================================================================ SOIL CLASSIFICA1)ON IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 377.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME·OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR): = 4.561 SUBAREA RUNOFF(CFS) :::: .50 TOTAL AREA(ACRES) = .20 TOTAL ~UNOFF(CFS) = ~50 . I *********************************************************~*~**************** FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE~' 6 ------------------------------------------------------~---------------------~~~~~~~~~:~~:=~~~::~~:~~=~~~~:~!!~:::::!~~~=~~~~::~:::::==::::~=============::::::::::::=:::: UPSTREAM ELEVATION:::: 375.00 DOWNSTREAM ELEVATION ~ 365.00 STREET LENGTH (FEET) :::: 650.0~ CURB HEIGTH(INCHES) =~~ STREET HALFWIDTH (FEET) = 28. O!~) STREET CROSSFALL (DECIt1tAI:!..) :::: .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW~CF~) = . .' .~. , . h·;· . ; 6~'89 . • ,i~ • HALFSTREET FLOODWIDTH(FEET):::: 10.20 AVERAGE FLOW VELOCITY~FEET/SEC.):::: 2.98 PRODUCT OF DEPTH&VELOCITY :::: .98 STREET FLOW TRAVELTlME(HINl = 3.64 TC(MIN) = 11.94 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.607 SOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 • SUBAREA {~F~EA (?~CRES):::: 6.50 SUBAREA RUNOFF(CFS):::: 12.89 SUMMED AREA(ACRES) = 6.70 TOTAL RUNOFF (CFS) :::: 13.40 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) :::: .40 -HALFSTREET FLOODWIDTH(FEET) = 13.51 FLOW VELOCITY(FEET/SEC.) = 3.45 DEPTH*VELdCITY ~ 1.37 I **********~***********************************.***************************** FLOW PROCESS FROM NODE 54.00 TO NODE 5~.00 IS CODE =' 4 ----------------------------------------------~-------------------~--------->-> >-> >COMf:'UTE PI PEFLOW TRAVEL T I t1E THFiU SUB AR E-:::'A < <.::: < < »»>-USING USER-SPECIFIED PIPESIZE««< ======::::::========::;::=========:::::::::====::==::::::::::::::::::::::::.:::::::::::::::-.::.::=======::::======:::::======.====:;::====== DEPTH OF FLOW IN 18.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION:::: 365.00 DOWNSTREAM NODE ELEVATION = 364.00 FLOW LENGTH (FEET) :::: 50.00 MANNINGS N '.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES :::: PIPEFLOW THRU SUBAREA(CFS) -13.40 TRAVEL TIME <t--1IN.) = .09 TC ct'IIN.) = -12.03 1 ************************************************************~*************** FLOW PROCESS FROM NODE 54. 00 TO NODE -55. 00 I S CODE :::: -1 -, •--;;;;;;~~~~~~~;~~~~~~~~~;~~~-~-;~~~~-~~~-~~~;~~~~~~~;,:;;,;,----.--.--------------- »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ::::::::::::::::=====::::========::::============::::::::==::::=::::=::::==::::=::::::::===::::==::::===::::::::~========::::====::::::::::::= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AR~: TIME OF CONCENTRATION(MINUTES) = 12.03: RAINFALL INTENSITY (INCH./HOUR):::: 3.59 TOTAL STREAM AREA (ACRES):::: 6.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.40 CONFLUENCE INFORMATION: STREAM RUNOFF -TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUFO , ------------------------------------------------------------,--------------- 1 19. 32 11. 29 3. 739 I 2 13.40 12. <)3 3. ~589 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 32. 18 31.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) :::: 32.18 TIME(MINUTES) -11.292 TOTAL AREA (ACRES) :::: 15.70 2 STR~AMS I i i i -, -**************************************************************************** • ' -FLOW PROCESS FROM NODE 55.00 TO NODE 133.00 IS COnE:::: 4 --------------------------------------------------------~-------------------> > > > >COI"1PUTE PI PEFLOW TRAVEL T:I ME THRU SUBAREI~< < <: < < »»>USING USER-SPECIFIED PI~ksIZE««< -I i , t ; ===::::::::::::::::::::=::::===~=::::::::===::::::::::::======::::::::::::::::====::::=::::=======::::::::==::::===::::::::==::::=::::::::~====::::=::::=::::::::== DEPTH OF FLOW IN 36.0 INCH PIPE IS ! : 10. 1 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = ~ 333.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) = '32.18 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 11.59 ~************************************************************************** ~ FLOW PROCESS FROM NODE ' 55.00 TO NODE 133.00 IS CODE = 1 ----------------------------------------------------------------------------»~»DE~IGNATE INDEPENDENT STREAM FOR CONFLUENCE««( ==============================================~============================= I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 11.59 RAINFALL INTENSITY (INCH./HOUR) = 3.68 TOTAL STREAM AREA (ACRES) = 15.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = i 32.18 **************************************************************************** FLOW PROCESS FROM NODE 220.00 TO NODE 221.00 IS CODE ~ 2 ---------------------------------------------~--------------~---------------»»>RATIONAL METHOD INITIA~ SUB~REA ANALYSIS««< ============================================================================ , SOIL CLASSIFICATION IS "D" SINGLE FAMILY, DEVELOPMENT RUNOFF COEFFICIE~T = .5500 ' INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = 390.00, DOWNSTREAt1 ELEVATION =, , .376.00 ELEVATION DIFFERENCE = 14.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH • DEFINITION. EXTRAPOLATION OF NOt'lOGRAPH' USED. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) ~ 4.305 SUBAREA RUNOFF(CFS) = .47 ' TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = 9.074 .47 **************************************"*******************-l!'-l!'**,,*************** FLOW PROCESS FROM NODE 221.00 TO NODE 222.00 IS CODE .= 6 ---~------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===:========================================================================= UPSTREAM ELEVATION = 376.00 DOWNSTREAM ELEVATION = 335.00 STREET LENGTH (FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMA~) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 i= I **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET)·= .33 6.77 HALF STREET FLOODWIDTH(FEET) = :10.29 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTHMIELOC I TY = i . 91 5.76 STR~ETFLOW TRAVELTIME (M.IN) = 1.74 TC (t'IIN) = 10.81 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.845 SOIL. CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 • SUBAREA AREA(ACRES) = 5.90. BUBAREA RUNOFF(CFS) = i 12.48 SUMMED AREA (ACRES) = 6.10' TOTAL RUNOFF(CFS) = ~2.95 END OF SUBAREA STREET FLOW HYDRAULICS: ' DEPTH (FEET) = .39 HALFSTRE~T FLOODWIDTH(FEET) = 13.~Of FLOW VELOCITY(FEET/SEC.) -7;06 DEPTH*VELOCITY = 2.74 ', .. ~ .0200 .' , .:,: :-' FLOW PROCESS FROM NODE 222~00 TO NODE 133.00 IS CODE = 4 ~ -----------_ .. -.. _----------------.. -!..-----.------_ .. --------_ .. _------------_ .. _------.. --- »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »)~)USING USER-SPECIFIED PIPESIZE««< =======================================================================~==== DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.9 INCHES PIPEFLOW.VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION = 335.00 • DOWNSTREAM NODE ELEVATION:::: ::::;~54. 00 FLOWLENGTH(FEET) = . 50~00 MANNINGS N = .013 GIVEN PIPE DIAMETER (INOO:::: 18.00 NUI1BEI=i: OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.95 TRAVEL TIME(MIN.) = ~09 TC(MIN.) = 10~91 **********************************************~*************,*************** FLOW PROCESS FROM NODE 222.00 TO NODE 133.00 IS CODE ~ 1 ----------------------------------------------~-----------------------------»»>DESIGNATE INDEPENDENT STREAI1 FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««( ==============================================~====~========================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 10.91 ~\AINFP,LL' INTENSITY (INCH./HOUFO :::: 3.82 TOTAL STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.95 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY. NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------------------------------------- 1 3~~. 18 12.95 11.59 10.91 3.67'7 • RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMB VARIOUS CONFLUENCED RUNOFF VALU~S ARE AS FOLLOWS: 44.64 43.90' . RUNOFF (CFS) = 44.64 TIME(MINUTES) ~ 11.588 COMPUTED CONFLUEN~~' -It"!ATES ARE AS FOLLows: TOTAL AREA (ACRES) = 1~8~Nr6{'SCCrION' !3erl-vleclJ 'f1-~/.sr.l 0' Sf. **************************************************************************** ~LOW PROCESS FROM NODE 133.00 TO NODE 59.00 IS CODE = 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««( I =========================::::==================::::::::==============9========::::====== PIPEFLOW VELOCITY(FEET/SEC.) = 14.2 I UPSTREAM NODE ELEVATION = 331.00 DOWNSTREAM NODE ELEVATION = 315.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = , PIPEFLOW THRU SUBAREA (CFS) = 44.64 i TRAVEL TIME(MIN.) = .53 TCCMIN.) = 12.12 I l **************************************************************************** . FLOW PROCESS FRat"! NODE 133.00 TO NODE 59.00 IS GOD~ = 1 .·;;;;;~~~~~~~T~-~~~~;'~~~~~T-~T~~~;~·-~~~-~~;~~~~~~~~;;;;;--j------.-.-------------, . . ===============================T========================~=7================= CONFLUENCE VALUES USED FOR IN~EPENDENT STREAM 1 ARE: I I TIME OF CONCENTRATION(MINUTES) = 12.12 . RAINFALL INTENSITY (INCH./HOUR) = 3.57 ,,:;' >.t '>;\' • ~.',> TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -~ I 44.64 **********************************1E'****************************-lE'****1E'*****1E'* FLOW PROCESS FROM NODE 56.00 TO NODE 57.00 IS CODE = 2 ------------------------------------------------------~---------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ================================================================~=~=======~= • SOIL CLASSIFICATION IS "D" .SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION"= 351.00 DOWNSTREAM ELEVATION = 349.60 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4~561 , SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF~CFS) = .50 **************************************************************************** FLOW PROCESS FROM NODE 57.00 TO NODE 58.00 IS CODE .= 6 ---------------------------------------------~--------------~---------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================~=============================== • UPSTREAM ELEVATION = 359.00 DOWNSTREA~ ELEVATION = ~15.00 STREET LENGTH{FEET) = 1000.00 CURB HEIGtH(INCHES) = 6. STREET HALFWIDTH(~EET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOF~ = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.61 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTHCFEET) = 8~54 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.90 PRODUCT OF DEPTH&VELOCITY = 1.16 STREETFLOW TRAVELTIME(MIN) = 4.~7 TCCMIN) = 12.57 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ~ 3.489 SOIL CLASSIFICATION IS "0'" '. , SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 11.~1 SUMMED AREA (ACRES) = 6.30 TOTAL RUNOFFCCFS) = 12.21 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(~EET) = .35 HALFSTREET FLOODWIDTH(FEET) -11.02 FLOW VELOCITY(FEET/SEC.) = 4.58 DEPTH*VELOCITY -1.59 *************************************************************~************** FLOW PROCESS FROM NODE 58.00 TO NODE 59.00 IS CODE ~! 4 ----------------------------------------------------~-------~-----~---------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< I ========================================~===============~===~=======~=======., • DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.7 UPSTREAM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATION = 321.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) = 12.21 I TRAVEL TIME(MIN.) = .07 'TC(MIN.) = 12.64 . ~ ," -1 i i .' 1 *******************************~************************t*t***************** FLOW PROCESS FROM NODE 58.00 TO NODE 59.00 IS CODE:= 1 . -------------------------------~---------------~~~------~-+-----------------...... '\ ... , . -,' i ~ • • ..................... ~ • ••••• • .. I ..... ;Mo ... 40_1 '1 ..... ' .... 1 J' ...... i' .1 ..... -i' I •• _'1\ '_f'_./1 '11 1 .... ~ ... 'I ..... ·-1~ .. /I ...... '. " • ==============================~================================~============ ~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONcENTRATION(MINUTES) = 12.64 RAINFALL INTENSITY (INCH./HOUR) = 3.48 TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.21 .*********,***************~********-l(,********,*******,************************* FLOW PROCESS FROM NODE 60.00 TO NODE 61.00 IS CODE = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOb'INITIAL SUBAREA ANALYSIS««< . ==============================================~============================== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 347.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) -:50 ********************************************?******************************* FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS caDE =. 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< . . " . ============================================================================ • UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = 318.00 STREET LENGTH (FEET 'j = 950. 00 CURB HE I GTH ( I NO-lES) == '6. STREET HALFltJIDTH (FEET) = 28.00 STREET CROSSFALL (DECn1AL) - SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) = ~25 HALF STREET FLOODWIDTH(FEET) = ~.05 AVERAGE FLOW VELOCITY(FEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = 2.76 STREET FLOW TRAVELTIME(MIN) = 5.73 TC (I"I IN) == 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.251 SOIL CLASSIFICATION IS liD" 14.03 SINGLE FAMILY DEVELOPl"lENT RUNOFF COEFFICIENT = • 5500 I 2.68 SUB{·~REA AREA (ACRES) = 2. 30 SUBAF~EA FH.JNOFF (CFS) --4.) 1 SUMMED AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 4.61 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 FLOW VELOCITY(FEET/SEC.) = 3.24 DEPTH*VELOCITY = .91 i .0200 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODE ~ 4 -----------------------------------------------------------~----------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.3 INCHES PIP~FLOW VELOCITY(FEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 3~2.00 DOWNSTREAM NODE ELEVATION = ,321.00 FLOWLENGTH(FEET) = 30.00 ;MANNINGS N = .013 ! GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) -4.61 TR~I\~L T I t'IE (till N.) = . 06 '. 1 TC <t'1I N.) ::::1 14. i;~~ 1 ******************************~********************************************* FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««( ==================================================================~~======== CONFLUENtE VALUES USED FOR INDEPENDENT STREAM 3 ARE: • TIME OF CONCENTRATION(I'1INUTES) = 14.09 RAINFALL INTENSITY (INCH~/HOUR) = 3.24· TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 4.61 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) . I ----------------------------------------------.-----------------------------1 44.64 12. 12 3.573 2 12.21 12.64 3.477 3 4.61 14.09 3.24:2 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA·USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 60.70 59.94 56.50 Cm'1PUTED CONFLUENCE EST I 1'1ATES ARE AS FOLLOWS: RUNOFFCCFS) = 60.70 TIME~MINUTES) = 12.115 TOTAL AREA{ACRES) == 30.60 *********************************************************~****************** FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE = 4 ------.. --------.. ---....... -.. --~-----.. ------.. ---.. ---.-.. -.-.. --_ .. _-------_ .. -..... _-_ .. _ .... _------------_ ..... - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««( »»>USING USER-SPECIFIED PIPESIZE««( . ; ·;~;.~~=~;=;~~~=7~==;.~~~=7~~~=;.7;.~=7~==7;~~.=7~~~~~============================= PIPEFLOW VELOCITYCFEET/SEC.) =. 26.6 UPSTREAM NODE ELEVATION =. 321.00 DOWNSTREAM NODE ELEVATION = 312.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -60.70 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 12.16 . ., .. *************************************************************~************** FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE'=; 1 -------------------------------------------------------------~-----~--------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( . =================================~===============================1=============== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.16 RAINFALL INTENSITY (INCH./HOUR) == 3.56 TOTAL STREAM AREA (ACRES) = 30.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE·= 60.70 . . **************************************************************************** FLOW PROCESS FROM NODE 110.00 TO NODE 111.00 IS COD~ = 2 .;;;;;:~A~"i~~A~-~~~~~~-"i~"i~~A~-;~~A~~A-A~A~~~~~~~~~~-----~~--------.--------- ============:::::::::===================================::::========::::::======::::=========== \ • J SOIL CLASSIFICATION IS IID" ... ; SINGLE FAM I L Y DEVELOPt1ENT RUNOFF COEFF I C lENT = • 55(H) INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 I ~... .,. .. . . >': ~ -;~ :': . ~. '.' ,f!' .-"~, _ }:t.~~(r ;.,' '-. ' . ;1 'r-' DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE :::: , 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ::::: 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) = .50 •***************.********************.*****.****.**********.*************.******* FLOW PROCESS FROM NODE '111.00 TO NODE 112.00 IS CODE = 6 ------------------------------------------------------------------------~--->->-> >->COMPUTE STREETFLOW TRAVEL T I I"IE THRU .SUBAR,EA<"'::"':: < < . =============:::::================================~===========::::================= j UPSTRE{.:)t1 ELEVATION = 349.00 DOWNSTREAt'1 ELEVATION = 330.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROS~FALL(DECI.MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW~CFS) = STREET FLOWDEPTH(FEET)::::: .25 HALFSTREET·FLOODWIDTH(FEET)::::: 6 •. 0~ AVERAGE FLOW VELOCITY(FEET/SEC.) = ; 2.78 PRODUCT OF DEPTH&VELOCITY = .69 STREETFLOW TRAVELTIME (MIN) = 4.49 TC(MIN) = 12.79 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ::::: 3.450 SOIL CL?iSSIFICATION IS "D" SINGLE FAMILY· DEVELOPMENT RUNOFF COEFFICIENT = .5500 2.10 SUBAREA AREA(ACRES) ~ 2.30 SUBAREA RUNOFF(CFS) -4.36 SUMMED AREA (ACRES) = 2.50 TOTAL RUNOFF(CFS) :::: 4.87 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) =:: • 28 HALF STREET FLOODl!~ I DTH (FEET) :::: 7. 71 FLOW VELOCITY (FEETf SEC.) = 3.41 DEPTH*YELOCITY = .96 .**********~;(.'*.*.*************.***.**'*.-x-**.***********.*.********'********'*'-:~'-l!.****-l(.**** FLOW PROCESS FROM NODE 112.00 TO NODE 118.00 IS CODE = 4 ------------------------------------------~---------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUeAREA"'::«« »»)USING USER-SPECIFIED PIPESIZE««< . ===================::::==========::::=======::::=======::::=============:::::'==============::::: DEPTH OF FLOW IN 18~0 INCH PIPE IS 4.3 INCHES PIPEFLOW VELOCITYCFEET/SEC.)::::: 15.0 UPSTR~AM NODE ELEVATION == 330.00 DOWNSTREAM NODE ~LEVATION::::: 314.00 FLOWLENGTH(FEET) == 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH):::: 18.00 NUMBER OF PIPES -1: PIPEFLOW THRU SUBAREA(CFS) :::: 4.87 TRAVEL TIME(MIN.) = .• 11 TC(MIN.):::: 12.90 i **************************************************************************** FLOW PROCESS FROM NODE 112.00 TO NODE 118.00 IS CODE::::' 1 ----------------------------------------~----------------~--r--------------~ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::::=======::::==::::: ..... .::::::=====::::========================::::==========;::::::::====f================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: .! TIME OF CONCENTRATION(MINUTES) :::::. 12.90 RAINFALL INTENSITY (INCH~'/HOUR)::::: 3.43 • TOTAL STRE?'-lt1 AREA (ACRES) = 2.50 TOTAL STREAM RUNdFF(CFS) AT CONFLUENCE = 4.87 \ I \ , 1 *******************************~******************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 117.00 IS CODE:= 2 -------------------------------~--------~-------~r------~-+------------------~-: . :: ; ":' -----------------------~ ~-~ -~---~---~~ • • >, , ........ , ... I • _ • , .. l ...... • .......... I •• ....... • l' .1 'l_. I .... _, ••••••••• ==============================*============================================= \. SOIL CLASSIFICATION IS "D" I COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT ~ .8500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 650.00 UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 319.00 ELEVATION DIFFERENCE = 21~00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 9.439 • *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOl'1OGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. . 50 YEAR RAINFALL INTENS1TY(INCH/HOUR) = 4J197 , SUBAREA RUNOFF(CFS) -2.85 TOTAL AREA(ACRES) = .BO TOTAL RUNOFF(CFS) = 2.85 **********************************************-************~**************** FLOW PROCESS FROM NODE 117.00 TO NODE 118.00 IS CODE.~ 4 ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =============================================F==============~======?======== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.2 lNCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.2 UPSTREAM NODE ELEVATION = 319.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N -.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) = 2.85 TRAVEL TIME(MIN~) = .15 TC(MIN.) = 9.58 •************'*****************'l('**************'l('**********.******************** FLOW PRO'cESS FROM NODE 117. 00 TO NODE .. 118. 00 I S CODE =! 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STRtAM VALUES««< ==~~~;:~~~~~=~~:~~;=~;~;=;~~=~~;~;.~~;~~~=;~~~~~==;.=~~~7======'===============" TIME OF CONCENTRATION (MINUTES) = 9.58 RAINFALL INTENSITY (INCH./HOUR) = 4.16 TOTAL STREAM AREA (ACRES) = .BO TOTAL STF~EAM RUN,OFF (CFS) AT CONFLUENCE = 2.85 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------------------------------------------------~---------------1 60.70 12.16 3 .. 565 2 4.87 12.90 3. 4~51 3 2.85 9.58 4. 156 F~AINFALL-INTENSITY-RATIO CONFLUENCE FOF~I"IULA USED FOR 3 STREAt'IS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 67.83 65.65 58.93 COMPUTED CONFLUENCE ATES ARE AS FOLLOWS: RUNOFF (CFS) = 67.83 TIMECMINUTES) = 12.159 • TOTAL AREA (ACRES) 33. 90, J C'A/P OF .sTO~I'1. £)R~/tV <@ BIL.L Pt9Rt'lt"'S £J~/Ve:" sec-SHt: 38 or IrtP. P~/IN *******************************'************************~*'***************** FLOW PROCESS FROM NODE llB.pO TO NODE 122.00 IS COIDE!= 4 ~------------------------------------------------.------r-~-----------------»»)COMPUTE PIPEFLOW TRAVELT1ME THRU SUBAREA~~~~~ I <'-" -t ' •• :',' ',:.0'," '. (.',.:i:;'. .:. :~~.i ' .. f· .:~: :>:., t ==~~;;~=;;::::;~;~::::~~::::=;~~~=~~~~=~~;~::::~;==7;~;=~~~~~;============================ PIPEFLOW VELOCITYtFEET/SEC.) = 26.0 UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEVATION = 285.00 FLOWLENGTH (FEET> = 225. 00.. t"lANN I NGS N == . 013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW"THRU SUBAREA(CFS) = 67.83 • TRAVEL TIt"lE (t·lIN.) = .14 TC (MIN.) --12.30 **************************************************************************** , . FLOW PROCESS FROM NODE 118.00 TO NODE 12~.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEP~NDENT STREAM FOR CONFLUENCE««< ============================================~====::::================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREA~ TIME OF CONCENTRATION(MINUTES) = 12.30 RAINFALL. INTENSITY (INCH./HOUR):::: 3.54 TOTAL STREAM AREA (ACRES) = 33.90 TOTAL· STREAM RUNOFF(CFS) AT CONFLUENCE :::: , 1 ARE: 67. 8~'::: *********************************************~****************************** FLOW PROCESS FROM NODE 113.00 TO NODE 114.00 IS CODE ~ ~ , --------------------------------------------~-------------------------------»»)RATIONAL·METHOD INITIAL SUBAREA ANALYSIS««< ============================================"===::::::::===::::=::::=::::=::::::::::::==::::=::::==::::::::============ -- • SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -125.00 UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION == 306.00 ELEVATION DIFFERENCE == 2.00 URBAN SUBAREA OVERLAND TIME OF 'FLOW(MINUTES) == 9.850 50 YEAR RAINFALL INTENSITY(INCH/HOU~) = 4.083 SUBAREA RUNOFF(CFS) -.45 TOTAL AREA (ACRES) = .20 TOTAL RU~OFF(CFS) -.45 .. **************************************************************************** FLOW PROCESS FROM NODE 114.00 TO NODE 115.00 IS CODE = 6 »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==================::::=====================================================================~======= • UPSTREAM ELEVATION = 302.00' DOWNSTREAM ELEVATION = ~90.00 STREET LENGTH (FEET)::: 425. 00 CURB HE I GTH ( INCHES) = 6 ~ I STREET HALFWIDTH(FEET) == 24.00 STREET CROSSFALL(DECIMAL) 1= SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 l **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) == .29. HALFSTREET FLOODWIDTH(FEET) == 8.18 AVERAGE FLOW VELOCITY(FEET/SEC.i = 3.60 PRODUCT OF DEPTH&VELOCITY :::: 1.04 STREETFLOW TRAVELTIME(MIN) == 1.97 TC(MIN) = 11.82 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.631 SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 I ! J SUBAREA AREA(ACRES) = 2.40' SUBAREA RUNOFF{CFS) = . 4.19 SUMMED AREA (ACRES) = 2.60 TOTAL RUNOFF(CFS) = : 5.24 END OF SUBAREA STREETFLOW HYD~AULICS: ~ I DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FEET) -10.99! FLOW VELOCITY(FEET/SEC.) == 3~95 DEPTH*VELOClTY == ~.~7 I .' . .': .,~"f '.1 ... !' • i " t', ' .0200 P-------------~--------------------~----~----------------~----~-------------- ******************************~********************************************* ~ FLOW PROCESS FROM NODE 115.00 TO NODE 122.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ====================================================~=====================~= DEPTH OF ,FLOW IN 18.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.3 • UPSTREAM NODE ELEVATION = 290.00 DOWNSTREAM NODE ELEVATION = 288.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(tNCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 5.24 / TRAVEL TIME(MIN.) = .09 TC(MIN.) = 11.91 **************************************************************************** FLOW PROCESS FROM NODE 115~00 TO NODE 122.00 IS CODE = 1 ----------~------------------------------------------------~----------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM NALUES««< ===================================================================~=======~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.91 RAINFALL INTENSITY (INCH./HOUR) = 3.61 TOTAL STREAM AREA (ACRES) = 2.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.24 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) <t1IN.) (INCH/HOUR) --------------------~----------------------~-----------------r-------------- 1 67.83 12.30 3.538 • 2 5.24 11.91 3.61::-:::. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS ~bLLOWS: 72.97 71.66 ; COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 72.97 TIME(MINUTES) -12.303 TOTAL AREA (ACRES) = 36.50 **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 240.00 IS CODE = 4 -----------------------------------------------------------------~----------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 293.00 DOWNSTREAM NODE ELEVATION = 285.00 FLOWLENGTHCFEET) = 550.00' MANNINGS N -.013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = ~ PIPEFLOW THRU SUBAREACCFS) = 72.91 TRAVEL TIME(MIN.) = .77 TCCMIN.) = 13.07 .. ' I } .**.*******************.*****.******.********************'***'*i******************* FLOW PROCESS FROM NODE 122.00 TO NODE 240.00 IS CODE = 1 ____ . ____ • _______ • __________ ••. ______ .L. __ • ____ • __ . __ • __ ••. -----------....:·-i-----·---------·---, . »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< J ! =====================================================~==~=~================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: -"''i" • I.,' j --w fJ) <C ::J: D. I _.. ..... • .. ' ... .... • ........ j .1 •• 'R _ •• ~ .. I • _. ,,,M I ~ •••••• _ • RAINFALL INTENSITY (INCH./HO~R) -3.40 TOTAL STREAM AREA (ACRES) = ~ 36.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 72.97 **************************************************************************** FLOW PROCESS FROM NODE 63.00 TO NODE 64.00 IS CODE = 2 ----------------------------------------------------------------------------4It.=~~~~~~~~~~~~~=~:~~~~=~~~~~~:=~~!~~:~=~~~~~~~~~~~~~==================~===== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF' COEFFICI~NT;= .5500 INITIAL SUBAREA' FLOW-LENGTH (FEET) -100.~0 UPSTREAM ELEVATION = 307.00 DOWNSTREAM ELEVATION = 305.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 50 YEAR RAINFALL INT£NSITYCINCH/HOUR) = ~.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREACACRES) = .20 TOTAL RUNOFF(CFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 64.00 TO NODE 65.00 IS CODE = 6 --------------------------------------------~--------------~-----~----------»»>COMPUTE STREETFLOW TRAVELTIME THRU SU~AREA««< ============================================================================ • UPSTREAM ELEVATION = 307.00 DOWNSTREAM ELEVATION = i83.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALLCDECIMAL1 -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN F~OW(CFS) = '3.51 STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOODWIDTHCFEET) =' 9.59 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.39 PRODUCT OF DEPTH&VELOCITY = 1.08 STREETFLOW TRAVELTII'1E (MIN) = 4.43 TC (MIN) ::::: 12.72 , 50 YEAR RAINFALL INTENSITYCINCH/HDUR) = 3.462 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) =5.90 SUMMED AREACACRES) = 3.30 TOTAL RUNOFFCCFS) -6.40 END OF SUBAREA STREETFLOW HYDRAULICS: OEPTHCFEET) = .37 HALFSTREET FLOODWIDTHCFEET) = 12.40 FLOW VELOCITYCFEET/SEC.) = 3.87 DEPTH*VELOCITY = 1.45; **************************************************************************** FLOW PROCESS Fr~OI'1 NODE 65.'00 TO NODE 240. 00 I S CODE =i 4 ------------------------------------------------------------r---------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU ~UBAREA««< i »~»US~NG USER-SPECIFIED PIPESIZE««~ ! ===========================================================9================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.) = 10.7 UPSTREAM NODE ELEVATION = 283.00 DOWNSTREAM NODE ELEVATION = 281.00 6.7 INCHES FLOWLENGTH(FEET) = 40.00· MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = '18.00 ,NUMBER OF PIPEFLOW THRU SUBAREA(CFS) = 6.40 TRAVELTII'1ECMIN.) = .06 ~TC(MIN.) = 12.79 PIPES 1 **********************************************************~***************** . ~1.~::.:~ , . I' )'~:" ';,.,,':: .;'. , • :::,~':.:/ .. --w U) c( :r: a. ~ •• : _, 1. _.. I ••••• 1 ·, .. .;.' •• t'_ .1.00 I ,.' II .. ' .... .!. -...; ........ ~.; 1._ =======================================~===================================== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 12.79' RAINFALL INTENSITY (INCH./HOUR) = 3.45 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFF (CFS) .~T .CONFLUENCE - 2 ARE: 6.40 **************************************************************************** FLOW PROCESS FROM NODE 67.00 TO NODE 68.00 IS CODE =. 2 i ----------------------------------------------~-----------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSI~««< ========:===============================~======:============================ SOIL CLASSIFICATION IS "D" f . I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENTI: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTRE~M ELEVATION = 290.00 DOWNSTREAM ELEVATION: 288.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299· 50 YEAR RAINFALL rNTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) = .20 TOTAL RUNoFF(CFS) -1.50 *************************************************************~************** FLOW PROCESS FROM NODE 68.00 TO NODE 66.00 IS CODE; = 6 ---------------------------------------------------------~------~------~----»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =============================================================F============== UPSTREAM ELEVATION = 290.00 DOWNSTREAM ELEVATION ~ 282.00 SHREET LENGTH (FEET)'= 750.00 CURB HEIGTI-·I (INCHES) =. 6 . • STREET HALFWIDTH (FEET) = 24.00 STREET CROSSFALL <DECIMAL> 1:: .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 '**TRAVELTINE COl"lPUTED USING NEAN FLOW (CFS) = 3.90 STREET FLOWDEPTH(FEET) = .36 . HALFSTREET FLOODWIDTH(FEET) ~ 11.70 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.63 PRODUCT OF DEPTH&VELOCITY = .95 STREETFLOW TRAVELTIME(NIN) = 4.76 TC(MIN) = 13.06 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.405 S,)OIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 , SUBAREA AREA (ACRES) = 3.60 SUBAREA RUNOFF(C~S) - SUMMED AREA(ACRES) = 3.80 TOTAL RUNOFF (CFS) = '6.!74 7.2!4 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FE~T) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.21 .-\ i FLOW VELOCITY (FEET ISEC.) = 2.98 DEPT,I-I-)('VELOCITY = 1 • ..::.8 1 **************************************************************************** . . f FLOW PROCESS FROM NODE 66.00 TO NODE 240.00 IS CODE =; 4 ----------------------------------------------------------~-~---------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =========================================================~================== • DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.2 INCHES ;' PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 . UPSTREAN NODE ELEVATION = 282.00 • . \ DOWNSTREAt1 NODE ELEVAT I ON = . '.280. 00 1 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER.OF PIPES • -1 • ~\' ."J:' oJ , .' ,It • ,. \" , .1. 1 -... w en <C ::I: .D. TRAVEL TIME(MIN.) -.06 . ~ TC (NIN.) -, **************************************************************************** FLOW PROCESS FROM NODE 66.00 TO NODE 240.00 IS CODE == 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< , e =========::::::::===::::=::::=::::=::::=::::::::===:::::==::::::::::::::::=======:::=====:::::::::::::==:::::==::::=::::::::::::::::::::::::::::::::::::::::::::::::::::::==:::::::::=====,,;.::::::::=:::::== CONFLUENCE VALUES USED F'OR INDEPENDENT STREAI"I 3 ARE: TIME OF CONCENTRATION (MINUTES) :::: 13.12 RAINFALL INTENSITY '(INCH./HOUR):::: 3.39 TOTAL STREAM AREA (ACRES):::: 3.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -7.24 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ---------------------------------------------~--------~---~----------------- 1 72.97 13. (~17 " 3. 4()~:: 2 6.40 12.79 3.451 3 7.24 13. 12 3. :394· RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FQLLOWS: 86.51 85.47 86.34 , COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) ::::: 86.51 TIME(MINUTES):::: 13.070 TOTAL AREA (ACRES) :::: 43.60 **************************************************************************** FLOW PROCESS FROM NODE 69.00 TO NODE 70.00 IS CODE::::" 2 .--;;;;.~~~~~~~~~~-~~~~~~-~~~~~~~-~~;.~~~~--~~~(~~~~~~~~~---~-----~--------*-------- =::::::::::==::::====::::::::::::::::=::::=:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::=::::=::::::::::::::::=::::=::::::::::::::::::::::::=::::=::::=::::=::::::::::::::::::::::::::::=::::=:::::::::::::=:::::::::::::::: SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFIClENT :::: .5500 I NIT I AL SUBAREA FLOW-LENGTH (FEET)·-'100. 00 UPSTREAM ELEVATION:::: 351.00 DOWNSTREAM ELEVATION:::: 349.00 ELEVATION DIFFERENCE:::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.299 ~O YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 4.561 SUBAREA RUNOFF(CFS) :::: .50 TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) :::: :50 ************************************************************~*************** FLOW PROCESS FROM NODE 70;00 TO NODE 71.00 IS CODE ~ 6 ----------------------------------------~-----------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ::::::::::::::::::::::::::::::::::::::::::::::::::=::::::::::::::::::::::==::::::::~:::::::::===:::::::::::::==::::==:::::===::::::::==:::::::::::::::::::::::::::::::::::::::::::::::=::::::::::::::::::::=~::::=====::::::::=:::::::::==::::::::::= UPSTREAM ELEVATION:::: 349.00 DOWNSTREAM ELEVATION = i 277.00 STREET LENGTH(FEET) == 1000.00 CURB HEIGTH(INCHES) = 6., STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMALj -~0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 ; **TRAVELTIME COMPUTED USING MEAN FLOW(CFS)::::: ,6.80 STREET FLOWDEPTH(FEET) ~ .28 I • HALFSTREET FLOODWIDTH (FEET) =: 7.71 ' AVERAGE FLOW VELOCITY~FEET/8EC.) -4.77 PFiODUCT OF DEPTHgNELOG,r TY == 1.34 STREETFLO~ TRAVELTIME(MIN) =:' 3.49 TC(MIN) = 11.7~ 50 YEAR RAINFALL INTENSITY(INCH/HOURl - --w (J) <C :x: a.. ~:';INf3LE FPII'''IILY DEVELOPt"IENT HLij\IOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.1b SUBAREA RUNOFF(CFS) -12.20 SUMMED AREACACRES) = 6.30 TOTAL RUNOFFCCFS) = 12.70 END' OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .31 HALFSTREET FLOODWIDTHCFEET) = 9.37 FLOW VELOCITY (FEET/SEC.) = 6. :38 DEPTH*VELOCITY:::: 2.00 e ************'*****'***********"***'l(-**********'***.**********.****.**************** FLOW PROCESS FROM NOPE . 71.00 TO NODE 78.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< i ==================================~============b============================== DEPTH OF FLOW IN. 24.0 INCH .. PIPE IS 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 277.00 DOWNSTREAM NODE ELEVATION = 274.00 i FLOWLEN~TH(FEET) = 80.00 MANNINGS N = 1.013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) -12.70 TRAVEL TIME(MIN.) = .12 TCCMIN.) = 1·1.91 ********************************************t******************************* FLOW PROCESS FROM NODE 71.00 TO NODE ! 78.00 IS CODE = 1 --------------~----------------------------~--------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =================================================~~======~================== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIM~ OF CONCENTRATION(MINUTES) = 11.91 RAINFALL INTENSITY· (INCH. IHOUFO = 3.61 TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -12.70 ******************************************~********************************* FLOW PROCESS FROM NODE 72.00 TO NODE' 73.00 IS CODE = 2 . . ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==================================~=======================~==============::::== SOIL CLASSIFICt-HION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 323.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -~50 TOTAL AREACACRES) = .20 TOTAL RUNOFF (CFS) = , I :.5<) ***********************************************************~**************** FLOW PROCESS FROM NODE 73.00 TO NODE 74.00 IS CODE t 6 -------------------------------~------------------~------~-~----------~-----»»>C.OMPUTE STREETFLOW TRfWEL TII'1E THRU SUBAREA««< . . ==================================================================~========= • UPSTREAM ELEVATION = 323.QO DOWNSTREAM ELEVATIOM ~ 275.00 STREET LENGTH (FEET) = 850.00 CURB.HEIGTH(INCHES) =(6. STREET HALFWIDTH(FEET) = 26.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTRE8TS CARRYING RUNOFF = 2 -. **TRAVELTIME COMPUTED ~SING MEAN FLOW(CFS) = i3t20 STREET FLOWDEPTH (FEET)' = • 23 HALFSTREET FLOODWIDTHtFEET) = I . , .0200 PFmDUCT OF DEPTH~I.VELOl~ I TY = STREET FLOW TRAVELTIME(MIN) :::~ 3~47 .9'1- TCCMIN) = 11.77 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: 3.641 BOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.70 SUBAREA RUNOFF(CFS)::: 5.41 SUMMED AREA(ACRES)::: 2.90 "TOTAL RUNOFF(CFS) = 5.91 • END Or-SUBm':E/~ STREETFLOW HYDR?)UL I CS: DEPTHCFEET) = .26 HALFSTREET FLOODWIDTHCFEET) ~ 6.88 FLOW VELOCITYCFEET/SEC.) -4.99 DEPTH*VELOCITY -1.32 I , **************************************************************************** FLOW PROCESS FROM NODE 74.06 TO NODE 78.00 IS CODE::: 4 ----------------------------------------------~-----------------------------f »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =====::::::=::::::~:::=:::==:::=:::===================~==:::============:::==~=~=:::::::::=:::=======:::== DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::: 7.5 UPSTREAM NODE ELEVATION::: -275.00 DOWNSTREAM NODE ELEVATION::: 274.00 FLOWLENGTHCFEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAt1ETER (INCH) = 18. 00 NUt'IBq~ OF PIPES ;1 PIPEFLOW THRU SUBAREA(CFS) = 5.91 TRAVEL TIME(MIN.) = .11 TCCMIN.) = 11.88 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO NODE 7S.00 IS COD~::: 1 -------------------------------------------------------------r-------------~ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< .=~~~;:~~~~~=~~:~~;=~;~;=;;~=~~;~;~~;;~~=;~~~~~==;=~~~~==:====~===:===========" TIME OF CONCENTRATION (MINUTES) = 11.88 RAINFALL INTENSITY CINCH./HOUR)::: 3.62: TOTAL STREAM AREA (ACRES)::: 2.90 ; TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE =" 5.91 ******************************************************************~********* FLOW PROCESS FROM NODE 75.00 TO NODE 76.00 IS CODE::: 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======::::::====================================================:::~:::=====:::====~== SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ::: .~500 INITlAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 319~00 DOWNSTREAM ELEVATION::: 317.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(~INUTES) = 8.299 50 YEAR RAINFALL INTENSITY C INCH/HOUR) ::: 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) = i I ! ! 1.50 **************************************************************************** • FLOW PROCESS FROM NODE 16.00 TO NODE 77.00 IS COD¢::: 6 ..... -_ .. _ .. _-----_ .. _-_.-.. _-_ .. __ .. _ .. _--_. __ .. _ .. _ .. -_._ ...... ":"""--..... --.-.. --.. -----.... ----------.. ~-----.. --------------- »»>COMPUTE STREETFLOW TRAVE~TIME THRU SUBAREA««< : I =:::=============================~==============:::========:::~=~=:::=============~= UPSTREAM ELEVATION ::: BTREET LENGTH (FEET) - , ' 317.00 DOWNSTREAM ELEVATION ~ : 278.00 750.00 CURB HEIGTH~INCHES) ~6~ I •• " • ... , .. ~' . '\; \ ... ' , I '.I_i.. .. i ,II ·11 .... : \,"1 oi ••••• , 1 i ".1 I .... i .... f I MO. .l!..I'.:.:JU '. .. ; ..... ':;,J I, '.I .... j • .:. 1 ~ .. /i \L .. ·-...J· .. JI~ 1-11.. .. 1.-\ ul.:..-,_.1. i II"'II __ l '-"' N \_ •• " .. ~ ... '~.) f3PEC I F I ED NLJr'lBER OF HALFSTF~EEtTS CAFmy I NG f~UNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 1.79 STREET FLOWDEPTH(FEET):::: .20 H~LFSTREET FLOODWIDTH(FEET) = 3.57 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.64 PRODUCT OF DEPTH&VELOCITY = .72 STREETFLOW TRAVELTIME(MIN):::: 3.43 TC(MIN):::: 11.73 • 50 YEAR RAINFALL INTEN?ITY(INCH/HOUR) == 3.649 SOIL CLASSIFICATION 1-8 110" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) '~ 1.30 SUBAREA RUNOFF(CFS):::: 2.61 SUt"lt1ED AREA (ACRES):::: 1 . 50 TOTAL RUNOFF (C{FS) :::: ~:. 11 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .23 HALFSTREET FLOODWIDTH(FEET) == 5.23 FLOW VELOCITY(FEET/SEC.) :::: ~.97 DEPTH*VELOCITY = .92. **************************************************************************** FLOW PROCESS FROM NODE 77.00 TO NODE 78.00 IS CODE = 4, »»>COMPUTE PlPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ::::::::::::=======::::===::::::::::::===::::::::==::::::::::::::::==::::::::::::::::::::::::==::::===::::::::::::::::~::::::::::::===::::==::::==::::::::==::::::::=::::::::::::::::=::::=::::::::::::=:::: DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.6 ~NCHES PIPEFLOW VELOCITY(FEET/SEC.):::: 8.7 UPSTREAM NODE'ELEVATION:::: 278.00 DOWNSTREAM NODE ELEVATION:::: 274.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N -.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -'1 PIPEFLOW THRU SUBAREACCFS) -3.11 TRAVEL TIME(MIN.) ~ .15 TCCMIN.):::: ,11.88 .**'**,*'**************,*'*******,*'**********-1i'***~'********'*'***~******************* FLOW PROCESS FROM NODE' 77.00 TO NODE 78.00 IS CODE =' 1 --------------------------------------------------------------~-------------»»>DESIGNATE INDEPENDENT 'STREAM FOR CO~FLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< i =============::::==::::::::===::::=::::::::===::::::::==::::=::::===::::::::========::::::::=~::::=====::::=::::=::::====::::===::::==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION (1'1INUTES):::: 11.88 RAINFALL INTENSITy (INCH./HOUR) = 3.62 TOTAL STREAM AREA (ACRES):::: 1.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) CINCH/HOUR) :;:: ARE: 3.11 I I I ------------------------------------------------------------7---------------1 12.70 11.91 3.613 ' 2 5.91 11.88 3.619 3 3.11 11.88 3.618 : HAINFI-'lLL-INTENSITY-RATIO CONFLUENCE FOF~t1UU~ USED FOR 3 9T~'EAI"IS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 21.71 21.70 21.70 COMPUTED CONFLUEN~I'1ATES ARE AS FOLLOWS: , • nUNClFF (CFS)::: ~ TII"IE < t'lINUTES) :::: '11.908 .1 TOTAL AREA (ACRES) =j 10.70' : L 5:0. IAlTlfesc CTOAI II'Sr. {' 'l-i' Sr.}, \ . [ **********.********************~************************~******************* FLOW PROCESS FROM NODE 78.00 TO NODE 82. (l() H3 CODE i,:::: 1.1- -------------------------------~--------~-----------------~------------------, , .• ~"~ !.(', "-': ' ,II »»>USING USER-SPECIFIED PI~ESIZE««< ==============================~=========~~==========================~======= DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.j INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 274.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 • PIPEFLOW THHU SUBAREA(CFS) = 21.71 TRAVEL TIME(MIN.) = .33 TceMIN.) = 12.24 , **************************************************************************** FLOW PROCESS FRot1 NODE 78.00 TO NODE 8~.00 IS CODE = 1 --------------------------------------------~--------------------------~----»»)DESIGNATE I~DEPENDENT STREAM FOR CONFLUENCE««< ===:======='===::::::::::::::::::::::=====::::::::::::::::::========:::=:-.:::::::::::=============;::=======:::::::::::::;:::::::::::=======::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.24 RAINFALL INTENSITY (INCH./HOUR) = 3.55 TOTAL STREAM AREA (ACRES) = 10.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 21.71 **************************************************************************** FLOW PROCESS FROM NODE 83.00 TO NODE 184.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =======================================================~==================== • SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = 343.00 ELEVATION DIFFERENCE =, 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 50 YEAR RAINFALL INTENSITYCINCH/HOUR) ~ 4.561 SUBAREA RUNOFF(CFS) = .50 , TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = 8.299 .50 i **************************************************************************** FLOW PROCESS FROM NODE 84.00 TO NODE 81.00 IS CODE = 6 --------------------------------------------~-------------------------------»»)CoMPUTE ST~EETFLoW TRAVELTIME THRU SUBAREA««< ::::===========:::::::===::::::=::================:::::::::::::::::::::::::-.::====:;::==:::::::::=='==::::::::==::::::::f:::::::::::==::::========= • UPSTREAM ELEVATION = 344.00 DOWNSTREAM ELEVATION =' ,266.00 STREET LENGTH(FEET) = 1250.00 CURB HEIGTH(INCHES) = 6. ! STREET HALFWIDTH(FEET) = 24.00 STREET CRoSSFALL(DECIMAL)!= .0200 SPEC I F I ED NUt"mER OF HALFSTREE,TS CARF<Y I NG RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) = STREET FLOWDEPTHCFEET) = .32 i 6.16 HALF STREET FLOoDWIDTH(FEET) = 9.59 AVERAGE FLOW VELoCITY(FEET/SEC.) -5.94 PRODUCT OF DEPTH~I.VELoC I TY :: ,1 • 8c.~\ STREETFLoW TRAVELTIME(MIN) = 3.50 TC(MIN) = 11.80 50 YEAR RAINFALL INT£NSITY(INCH/HOUR) = 3.634 SoI~_ CLASSIFICATION IS "D" , .' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:: .5500 ' , I SUBAREA AREA(ACRES):: 5.70 SUBAREA RUNOFF (CFS) - . 11.39 SUMMED AREA (ACRES) :: 5.90 1 TOTAL RUNOFF(CFS):: ~11.89 END OF SUBAREA STREET FLOW HYD.RAULICS: i I DEPTH (FEET) = .39 HALF STREET FLOODWIDTH(FEET) :: 13.~0: FLOW VELOCITY(FEET/SEC.) -6.48 DEPTH*VELOCITY = .~, . ~~ " ':i!' ". i .~.:.: ~", . 2.$2 ~ *****************************~********************************************** FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE == 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =======::::==::::::::===========~======::::===::::=::::::::::::::::::::::::====================~====::::=::::=======::::===::::~==::::::::::::::::==::::::::::::==== • DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.8 INCHEs PIPEFLOW VELOCtTY(FEET/SEC.):::: 10.7 UPSTREAM NODE ELEVATION":::: 259.00 DOWNSTREAM NODE ELEVATION:::: 258.00 FLOWLENGTH (FEET) :::: . 30. 00 t'IANN I NGS N:::: ;. (113 GIVEN PIPE DIAMETER(INCH):::: 18.00 NUMBE~ OF PIPES :::: 1 PIPEFLOW THRU SUBAREA(CFS) -11.89 ' TRAVEL TIME(MIN.) == .05 TC(MIN.):::: 11.85 ,*'*******,*.********-l(,********,*,**-l('-l(,*-l('~;!--X-~**~;!--l(,"*,~.(,*-x-'****-l('-l('******,*'*,*'-l('**,*'-j(,**,*,-j('**-iI'****** FLOW PHQCE~3S FROI"! NODE 81 • 00 TO I\IODE 82. 00 IS CODE'-== 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STriE?~I'Tl FDF~ CONFLUENCE««< =====================================================::::===================::::==::::==::::=b==::::=====::::::::::::::::::::::::::::::::=== CONFLUENCE VALUES USED FOR INDEPENDENT STHEAM 2 ARE: TIME OF CONCENTRATION(MiNUTES):::: 11.85 RAINFALL INTENSITY (INCH./HbUR):::: 3.62 TOTAL STREAM AREA (ACRES):::: 5.90 TOTAL STREAM·RUNOFF(CFS) AT CONFLUENCE -11.89 ~.(·****-l(·**-l('.****-l(·**:*,*"*:-l(,-l(·**~"i··**.*?!,*~-l("iI'***-:\O-:\o***.************-l('*********-j('**********-l('** FLOW PROCESS FROM NODE 85.00 TO NODE 86.00 IS CODE == 2 ----------------------------------------------~-----------------------~-----»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< .===;~~~==~~~;~~;~~~~7~~==~:;==~;~==::::::::====~~::::==:====:::::::::==:========::::=======::::::::==:~=:::::================~~::::::::= SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENt == .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) :::: 100.00 UPSTREAM ELEVATION:::: 344.00 DOWNSTREAM ELEVATION = 342.00 ELEVATION DIFFERENCE == 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) == 4.561 SUBAREA RUNOFF(CFS) == .50 TOTAL AREA(ACRES) -.20 TOTAL RUNOFF(CFS) == .50 , **********************************************************~***************** FLOW PROCESS FROM NODE 86.00 TO NODE 87.00 IS CODE =i 6 . . ----------------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< I . . ======================="======:::::::::===::::::::::=:::::::::''::::=::::::::::::::=================;:::=============== . I UPSTREAM ELEVATION:::: 342.00 DOWNSTREAM ELEVATION :::: 26~.00 STREET LENGTH(FEET) = 900.00 CURB ~EIGTH(INCHES) = 6. ! STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL~ == .0200 SPE'C I F I ED NUI'1BER DF HALFSTREETS CARRY I NG I~UNOFF = 2 / **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 3.t9 STREET FLOWDEPTH(FEET) = .23 HALFSTREET FLOODWIDTH(FEET) = 5.23 AVERAGE FLOW VELOCITY<FEET/SEC.) == •,' , PRODUCT OF DEPTH&VELOCITY = 1.00 ' STREETFLOW TRAVELTIME(MIN) == 3.46 TC(MIN) = 11.76: , , \ 50 YEAR RAINFALL INTENSITY~INCH/HOUR) == 3.642 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENl = ~5500 . " . '. ,~ : .. ':. SUMMED AREA (ACRES) = 3.00: TOTAL RUNOFF(CFS) = 6.11 END OF SUBAREA STREETFLClW I-ND~?~UL I CS: DEPTH (FEET) = .26 HALFSTREET FLOODWIDTH(FEET) -6.88 FLOW VELOCITY(FEET/SEC.) -5.16 DEPTH*VELOCITY = 1.36 **************************************************************************** FLOW PRClCESS FROM NODE ,87.00 TCl NODE 82.00 is CODE = 4 • ' -.;;;;;;~~;~~~-;~;~;~;~~~~;~~~~~~~-~~~~-~~;;~~;~~;;;------------------------ »»>USING USER-SPECIFIED PIPESIZE««< ===============================================~============~=============== DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION = 269.00 C" ..,. ...J ... ';'1 I NqHES DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBERiOF PIPEFLOW.THRU SUBAREA(CFS) -6.11 TRAVEL TIME(MIN.) = .12 TCCMIN.) = 11.88 PIPES .... 1 ************************************************************w*************** FLOW PROCESS FROM NODE 87.00 TO NODE 82.00 IS CODE = 1 ----~-----r----------------------------------~--------------~---------------, »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREA~ VALUES««< =======================================~==================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.88 RAINFALL INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA ~ACRES) = 3.00 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 6.11 • CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) . --------------------------------------~--------------------------------------, 1 21.71 12.24 ~:. 54;' 2 11.89 11.85 3 .. 624· 3 6. 11 11.88 3.619 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS'CONFLUEN~ED RUNOFF VALUES ARE AS FOLLOWS: ~$9. 25 39 .. 27 COMPUTED CONFLUENC' -··IMATES ARE AS FOLLOWS: RUNOFF (CFS) = TIME(MINUTES) = 12.243 TOTAL AREA (ACRES) = 19.60 S.o, /,vr&RS €c. TION 'I'Sr. i ~' Sr- , i '*,****************************************:.*****'*,*************t***'*'*********** FLOW PROCESS FROM NODE 82.00 TO NOD~ 88.00 IS CODE =! 4 ------------------------------------~-----------------------t---------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECiFIED PIPESIZE««< ===~======================================================================== • DEPTH OF FLOW IN 36.0 INCH PIPE IS 13.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.9 UPSTREAM NODE ELEVATION = 258.00 ! DOWNSTREAM NODE ELEVATION = '243.00 ' FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER{INCH) = ~6.00 NUMBER OF PIPES - PI PEFlOW THRLJ SUBAHEA (CFS) = i' 39. 34 ! TRAVEL TIME(MIN.) = .37 TC(MIN.) = 12.61 .',.1 1 .;.('**'***'*'******* ***-l('*-l(,.;.(,***,j(,:****o)ii,****:* *'i('* ,;t , *****'i\'-X-*'****i('****-)\'*****'*':***';{'**1I'1l'**'*'** FLOW PROCESS FROM NODE 82\00 TO NODE 88.00 IS CODE = 1 ------------------------------------------------------------------~---------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===::::::::::::::::::::::::=:::=============:::============:::=====~==============:::==~=:::=====:::=:::== • CONFLUENCE V?~LUES USED FOF~ INDEPENDENT STREAt'( 1 Ar':;:E: TIME OF CONCENTRATION (MINUTES) = 12.61 RAINFAL~ INTENSITY (INCH./HOUR) = 3.48 TOTAL STREAM AREA (ACRES) = 19.60 TOTAL STREAM RUNOFF(CFS7 AT CONFLUENCE = 39.34 ****'*'****';:-*****************************'*'*'**'***!****************,*,************o)(~ FLOW PF<OCESS FROt1 NODE 89. 00 TO NODE 9'0. (:)() I S CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYS~S««< :::=========:::========================================:::======================== SOIL CLASSIFICATION IS "D" SINGLE ~AMILY DEVELOPMENT RUNOFF COEFFICIENT::: .5500 'INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLO~(MINUTES) -8~299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: -4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA(ACRES) ::: .20 TOTAL RUNdFF(CFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 90.00 TO NODE 91.00 IS cOOS::: 6 »»>COMPUTE STREETFLOW TRA~ELTIME THRU SUBAREA««< .==~~i~~~~~:~~~~~;~~~~~:===~~~~~~===g~~~~~~~~~:~~~~~~~~~:::~=~;;;~~~========= STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(bECIMAL) '::: .0200 SPECIFIED NUMBER ,OF HALFSTREETS CARRYIN~ RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) ::: 6.40 STREET FLOWDEPTH(FEET) = .33 1 HALF STREET FLOODWIDTH(FEET) = 10.20 AVERAGE FLOW VELOCITYCFEET/SEC.) = 2.76 PRODUCT OF DEPTH&VELOCITY = .91 STREETFLOW TRAVELTIME(MIN)::: 5.43 TCCMIN) = 13.73 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.297 S~OIL CLASSIFICATION IS 110 11 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT =.5500 SUBAREA AREACACRES) = 6.30 SUBAREA RUNOFF(CFS) = 11~42 SUMMED AREA(ACRES) = 6.50. TOTAL RUNOFF(CFS) -11.R2 i END OF SUBAREA STREETFLOW HYDRAULICS: ' I DEPTH (FEET) = .38 HALFSTREET FLOODW1DTH(FEET) = 12.68 ! FLOW VELOCITY(FEET/SEC.) = 3.45 DEPtH*VELOCITY::: L3~ **************************************************************************** FLOW PROCESS FROM NODE 91.00 TO NODE 88.00 IS CODE ~ 4 ------------~--------------------------------------------------------------- I »»>COMPUTE PIPEFLOW TRAVELTIME THRU'SUBAREA««< ! • »»>USII\IG USER-SPECIFIED PIPESIZE««< ;" ========================================================~=================== DE~TH OF FLOW IN 18.0 INCH ~IPE IS 9.9 INCHES . PIPEFLOW VELOCITY (FEET/SEC.).'= 12.0 UPSTREAM NODE ELEVATION = 278.00 DOWNSTREAM NODE ELEVATION - . 256.00 , , .. [,.- " to --w en ..( :J: c.. , ••••• _ • '; ••• _ 1 .... 1 ••• ..1 • • • •• _ .. ,~_ •• ...... _. ' .. ' II ,_"' ... I II II-II • "'-1·J· • ..t·_; i·J GIVEN PIPE DIAMETER(INCH) ::: ~18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS):::~ 11.92 TRAVEL TIME(MIN.) = .70 TC(MIN.) = 14.42 **************************************************************************** FLOW PROCESS FROM NODE 91.00 TO NODE 88.00 IS CODE = 1 ..... _-_. __ ..... __ .. __ ...... __ .. _---_ .. _---_ .. _--------_ .. _-_ .. --... -.. -.. --------------~---"-----.----...... ------- • »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS' CONFLUENCED STREAM VALUES««< =======================================~====================================== CONFLUENCE VALUES US£D FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.42 RAINFALL INTENSITY (INCH./HOUR) = 3.19 TOTAL STREAM AREA (ACRES) == 6.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM .RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) r ! , : 11. 92 ---_._---_._-------_ .. _--_ .. _-_ ..... __ .. _-_ .. _-_ .. __ ... _ .. _----... _---:"', .. _-""""!----""--... __ ._._-_ ..... _ ..... :------------- 1 39. ~54 2 11.92 12.61 14.42 3. 19~: RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FciLLOWS: 50.28 48.01 . COMPUTED CONFLUENC "STIMATES ARE AS FOLLOWS: RUNOFF (CFS) = TIME(MINUTES) = 12.611 . TOHiL r~REA ({~CRES) =7 26. 10 . . . . L 5.,0, IIJTcRsec.rloN @ 'r'Sr. f' !3 ~(., L31'9~A/eS ~J/e , . **************************************************************************** • FLOW PROCESS FFmM NODE B8. 00 TO NODE 97. 00 I S CODE = 4 • _____ .. ________ • ___ .. _ .. _____ .. _ ..... ______ • ___ .. ____ ._ ....... ___ ._ ..... __ .. __ .. _________ .. ___ 1 _____ ...:. ________ ._ »»>COMPUTE PIPEFLOW TRAVELTIME THRU·SUBAREA««< . »»>USING USER-SPECIFIED PIPESIZE««< : , ==========================================~================================= DEPTH OF FLOW IN 36.0 INCH PIPE IS 14.3 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 19.2 UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION = 247.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIP£ DIAMETER CINCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREACCFS) -50.28 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 12.65 ************************************************************~*************** FLOW PROCESS FROM NODE 92.00 TO NODE 93.00 IS CODE =i 2 ----~----------------------~-~~--------------------~------------------------. i »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================~========~====== •• SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00· UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = ·2.00 URBAN SUBAREA OVERLAND TIME' OF FLOWCMINUTES) = 8.~99 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFFCCFS) = .~O TOTAL AREA(ACRES) = .20; TOTAL RUNOFFCCFS) = .50 : . '.' ., : f ,,. " . -- W. ~ :a:: a. I FLOW PROCESS FROM NODE 93.00 TO NODE .94.00 IS CODE = 6 ~ -p----------------------------~---------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =========================================================================~== UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 269.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTH(INtHES) = 6. STREET HALFltJIDTH (FEET) = 28.00 STREEt CROSSFALL (D!:::CII'1AL) = .. 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 • **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.71 STREET FLOWDEPTH~FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 AVERAGE FLOW ·VELOCITY(FEET/SEC.) -.3.37 PRODUCT OF DEPTHM}ELOC I TY := 1 • 06 I STREETFLOW TRAVELTIME(MIN) = 4.45 TC(MIN) = 12.75 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = ~.457 SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA.AREA(ACRES) = 6.40 SUBAREA RUNOFF (CFS) -12.17 SUMMED AREA(ACRES) = 6.60 TOTAL RUNOFF(CFS) = 12.67 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODl!.JIDTH (FEET). = 11.85' FLOW VELOCITY(FEET/SEC.) = 4.16 DEPTH*VELOCITY ~ 1.5r *****·lE-*****·l'i-·****·**·**·*·****·lt·lt*******·*·**·******'*:************'***'lE--*:'*************** FLOW PR8CESS'FROM NODE 94.00 TO NODE '97.00 IS CODE = 4 ~---------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 9.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 • UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE ELEVATION = 268.00 FLOWLENG1H(FEET) = 60.00 MANNINGS N = .013 • GIVEN PIPE DIAMETER(INCH) := 36.00 NuMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 12.67 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 12.87 **************************************************************************** FLOW PROCESS FROM NODE 94.00 TO NODE 97.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ====:====~=======~=~=====================================~===~==========~==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 12.87 RAINFALL INTENSITY (INCH./HOUR):= 3.44 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE: = 12.67 **************************************************************************** FLOW PROCESS FROM NODE 95.00 TO NODE 96.00 IS COD~ t 2 .. ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===================================================~====~=============~===== SOIL CLASSIFICATION IS "D" j SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = INITIAL SU~AREA FLOW-LENGTH(FEET) = 100.00 .5500 ' UPSTREAM ELEVATION = 28d.oo i. DOWNSTREAM ELEVATION = ~78.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = , '.~ ,-~ttl# .\ .. 8,.29:9 • • ~1.§\, .':~ . -. -w en « :I: '0. I ..... 1 '" ,.1 ••• , •• : I .: .... :.H. .1. I '1. 1 ._1 '1 .. .1.i. I I ... .t. f 'j' ... /1 11 I ,._.:I....J, .... .-. "f " .. ..: • ...J .~ • SUBAREA RUNOFF(CFS) - TOTAL AREA (ACRES) = .. CO'" i-\-it) .20 TOTAL RUNOFF(CFS) = .50 **************************************************************************** FLOW PROCESS FROM NODE 96~00 TO NODE 98.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 4It=~;.;~~~~~=~:~~~~;;~=::~==~;;;~~~===;;~~;~~~~~=~:~~~~~~~=:====;~;.~~~===~===== STREET LENGTH (FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROS8FALL(DECIMAL) = .0200 SPEC I F I ED NUI"1BER OF HALFSTREETS Cf~RRY I NG RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -4.04 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTHCFEET) = b.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.17 PRODUCT OF DEPTH&VELOCITY = 1.03 i STREETFLOW TRAVELTIME(MIN) = 2.00 TC(MIN) = 10.30 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.968 SOIL CLASSIFICATION IS "011 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 3.20 SUBAREA RUNOFF(CFS) = SUMMED AREA (ACRES) = 3.40 TOTAL RUNOFF(CFS) - END OF SUBAREA STREET FLOW HYDRAULICS: ! 6.9B 7~48 DEPTH (FEET) ~ .28 HALF STREET FLOODWIDTHCFEET) = FLOW VELOCITY(FEET/SEC.) = 5.25DEPTH*VELOCITY = 7.71 1. 47 ********************************************~******************************* FLOW PROCESS FROM NODE 98.00 TO NODE 97.00 IS CODE =, 4 ---------------------------------~-------------------~--~--------------------• »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUeAREA««( »»>USING USER-SPECIFIED PIPESIZE««< ' ==========================================~=================~===~=========== DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.J INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.6 UPSTREAM NODE ELEVATION = 240.00 DOWNSTREAM NODE ELEVATION = 239.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N -.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.48 TRAVEL TIMECMIN.) = .08 TC(MIN.) = 10.38 *********************************************************i**~*************** FLOW PROCESS FROM NODE 98.00 TO NODE 97.00 IS CODE =! 1 ------------------------------------------------------------~---------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===================:::;:===========:::;:===========:::;:==~============~=============:::;:== , CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: T I tilE OF CONCENTRAT I ON (til I NUTES)::: 10. 3'8 RAINFALL INTENSITY (INCH./HDUR):::;: 3.95 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAITl RUNOFF tCFS) AT CONFLUENCE --7. 4B •,********i****'**'*'*.'*.************'~****i(''*'~k'*'*~}('i('****'j('***i(,****,*,oJ!:********'*'*'*'******'** FLOW PROCESS FROM NODE 88.00 TO NODE ~7.00 IS CODE = 7" ..... -----.. -------.---.. -__ .. _ .. __ ..... ________ ..... _ .... ______ .. __ .... _ .. _ .. ________ .. __________ • _____ .. __ .. _ .. ______ ._N »»>USER SPECIFIED HYDROLOG~ INFORMATION AT NODE««<; ! ::::==::::::::::::==::::===::::::::::=:::::::::=::::::::::::==:::::::===;:::9====:::==:::::::::::::::::::::::::=::::::::::::::=========:=='::::=:::==:::====::::========::: USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.65 RAIN INTENSITY (INCH/HOUR) ,., ," ... . ...... ;,'J~~t· .... ',A' .' :::;: 3.47 . ~~_:t~;,~~~ ... _ " . '.. '" " . "'- **************************************************************************** FLOW PROCESS FROM NODE 88.00 TO NODE 97.00 IS CODE:: 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND.CoMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ======================================================================~====~ • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 12.65 RAINFALL INTENSITY (INCH./HOUR):: 3.47 :::;: {4RE: TOTAL STREAM AREA (ACRES) = 26.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) fc::;() '";:'8 I '"'"" ........ ----------------------------------------------~-----------------------------1· 12.67 12.87 ~3. 4:36 2 7.48 10.38 3.949 3 5()~ 28 12.65 :3.475 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA. USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 68.90 62.76 69.39 . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) =. 69.39 TIME(MINUTES) - . 12.650 TOTAL AREA(ACRES) -36.10 **************************************************************************** FLOW PROCESS FROM NODE 97.00 TO NODE 206.00 IS CODE::, 4 --------------------------------------------------------~-------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< . .• =~~~~~~~!~:=~~:~::~:~!~!:~::~!~::!=::::::~::=~====::::===::=======~=======~~=======: DEPTH OF FLOW IN 36.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) :: 26.2 UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION:: 225.00 FLOWLENGTH(FEET):: 225.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) :: UMBER OF PIPES:: 1 PIPEFLOW THRU SUBAREA (CFS) :: TRAVEL TII'1E(I'HN.) = .14 TCO-1IN.) = 12.79 n/ . . elJo OF PHI7Sc.r src>tf?~ 'oK/?//V,' BItt.. 8/9,RNc.5 RV/VOrr IS PI,-Kec> vP ;191"" Ph't'95C' .1I / (see II'-?? PV9tV SHT. 3.6) *************************************************************t************** FLOW PROCESS FROM NODE 20~.00 TO NODE 130.00 IS CODE =! 5 ----------------------------------------------------------------------------»»>COI'1PUTE TRAPEZDIDAL-CHAN~EL FLOW««< »»>TRAVELTIME THRU SUBAREA««< -;-~====================~==================~==::================================ • UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION ~ ,. 126.00 CHANNEL LENGTH THRU SUBAREA (FEET) = 1000.00 CHANNEL BASE (FEET) = 3. 00 II Z II F f4CTOR :::: 2.000 MANNINGS FACTOR = .035 MAXIMUM DEPTH(FEET) -5.00 CHANNEL FLOW THRU SUBAREACCFS) = 69.39 FLOW VELOCITY(FEET/SEC) = 11.35 FLOW DEPTH(FEET) - TRAVEL TIME(MIN.) = 1.47 TCCI'1IN.):: 14.26 .! 1. 15 , ~ J~ f \ , : **************************************************************************** . . FLOW PROCESS FROM NODE 206.00 TO NODE 130.00 IS COOE;~ 1 -....... ----------.. ----.. -...... --.. -.. ----.. ------+--.. -.---.. --.. -............ t·--·--"'j"t't'"!"'"':"..,..--.. ----"':"'"-I--"-.. · .. --· .... -.. -..... -----.. -"!"" . r, .-10. ..' ."'> . :~~~\:' (; .~~' >-w.~ ;:~ ~ ____ ~.il~~'\.:l:..:f. ____ --'-___ ......; __ -.:;:,·~·,.;;.li"{, .... : ...;,._..;..;.._..;.. ____ .....:.i",;;i". __ ..... ________ ...lii ...... i.... __ ..... =:::::=:::::::::===:::::::::::::::::::::::::::=:'::::::::::::''::::::::::::'-::::'::::::::::::::-'::'===::''::;:':::::=:::::::::::::::::::::::''':::::::::::::;:::==::::::=====:::::=::::::::.:::.::::::=:=::::=::::::::::::::. .. .::::::::::::::=::::::::.=::::=~:: CONFLUENCE VALUES USED FOR i~DEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.26 RAINFALL INTENSITY (INCH./HOUR) = 3.22 TOTAL STREAM AREA (ACRES) = 36.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 69.39 • ****************************-*****-**-********-**-*****-************************* FLOW PROCESS FROM NOPE . 132.00 TO NODE 130.00 IS CODE = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSI~««< ==============================================~====================~======== SOIL CLASSIFICATION IS "D" , RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.46(MINUTES) ; INITIAL SUBAREA ~LOW-LENGTH(FEET) = 1500~00 UPSTR~AM ELEVATION = 360.00 DOWNSTREAM ELEVATION = 126.00 ELEVATION DIFFERENCE = 234.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) -3.188 SUBAREA RUNOFF (CFS) = 67.72 TOTAL AREA(ACRES) = 47.20 TOTAL RUNOFF(CFS) = 67.72 ************************************************************~*************** FLOW PROCESS FROM NODE 132.00 TO NODE 130.00_ IS CODE =' ~ ------------------------------------------------------------------------------ »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ====~======================================================================= CONFLUENCE VALUES USED FOR INDEPENDENT StREAM 2 ARE: • TIME OF CONCENTRATION(MINUTES) = 14.46 RAINFALL INTENSITY {INCH./HOUR) = 3.19 . TOTAL STREAM AREA (ACRES) = 47.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -67.72 • , **************************************************************************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE =1 7 ---------------------------------~------------------------~-----------------»»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ============================================================================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 16.65 RAIN INTENSITY (INCH/HOUR) = 2.91 TOTAL AREACACRES) -36.50 TOTAL RUNOFF(tFS) = 75.80 ************************************************************~*************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE, 1 ----------------------------------------~------------------1---------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ' »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ===========================================================f================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 16.65 RAINFALL INTENSITY (INCH./HOUR) = 2.91 TOTAL STREAM AREA (ACRES) = 36.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -75.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN~) l:NTENSITY ( ~\NCH/HOUH) ---------------------------------------------------------~---------~--------1 69.39 14.26 ! : .. ~ ·,f • • ' ... ' " J. .. ..J .... ~ 3 . i. 75.80 16.65 '2.911 " , RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 205.12 205.71 200.42 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 205.71 TIME(MINUTES) = 14.455 TOTAL AREA(ACRES) = 119.80 **************************************************************************** FLOW PROCESS FROM NobE 130.00 TO NODE 207.00 IS CODE =. 4 I . ----------------------------------------------~-----------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =============================================~============~================= DEPTH OF FLOW IN 54.0 INCH PIPE IS 23.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.9 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 120.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = ; .013 GrVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = ;. 1 PIPEFLOW THRU SUBAREA(CFS) -205.71 TRAVEL TIME(MIN.) = .03 TC(MIN.) = 14.49 ************************************************************~*************** FLOW PROCESS FROM NODE 123.00 TO NODE 114.00 IS CODE = 2 ..... __ ._ .. _--........... _ .. _-----_ .. -.--_ ..... _-_ .. _-------_ ... _ .. "':!-.. -_ .. -....... -.. __ ....... _ .. --------_ .. ""':""--:------_ .. _----------- »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================================~===== • SOIL CLASSIFICATION IS "DlI RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.35(MINUTES) I NIT I AL SUBAREA FLOW-LENGTH (FEET) ._. ~50. 00 UPSTREAM ELEVATION = 275.00 DOWNSTREAM ELEVATION = 175.00 ELEVATION DIFFERENCE = 100.00 50 YEAR RAINFALL INTENSITYCINCH/HOUR) -3.529 SUBAREA RUNOFF{CFS) = 8.57 TOTAL AREACACRES) = 5.40 TOTAL RUNOFF(CFS) = J 8.57 **************************************************************************** FLOW PROCESS FROM NODE 124.00 TO NODE 125.00 ts CODE ~, .4 --------------------------------------------------------~---4-----------~---»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< I ========================~=====~=============================F=============== DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.5 UPSTREAM NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 169.00 FLDWLENGTH(FEET) = 200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -:1 PIPEFLOW THRU SUBAREA(CFS) = 8.57 TRAVEL TIME(MIN.) = .35 TC(MIN.) = 12.70 , J' I ; • ***'*'****'*':***'*******'************~*******'*******'*'***,*.****,*.*J*,*.**,*.*******.******* FLOW PROCESS FROM NODE 124.DO TO NODE 125.00 IS CODEf= 1 ________________ ~ ______________ ~ ________________________ L_L ________________ _ , ' ' »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . ==============================~=============~=~~~======~==~================= -- ..... :i __ ~ _________ ._ .. __________ ._. iIii' ,,_, ___ '." _______ ... ~; •• ' ... :.' ___ .. TIME OF CONCENTRATION(MINUT6S) = 12.70 f:::A I NFALL I NTENS I TY (I.NCH. I l .. m'UR) == :3; • 47 TOTAL STREAM AREA (ACRES):::: 5.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 8.57 **************************************************************************** FLOW PROCESS FROM NODE 126.00 TO NODE 127.00 IS CODE == 2 .--;;;;;:~~~~;~~~-~~~~;~-~;.~~~~~'~ .. -~~;~~;~~~;~-~~~~~~~~~~~:~~-.-.. -.----.-.-.-.-.'--'--.-.---.. --.---- =:::=====::==========:::========::;::.::::::::::::::::::::::::::::.::::::::::::::::::::==:::::::::::::::==::::=::::::::::::::::.:::::::::::::::=::::::::::::::::::===:::::::::::::::.==:::::::::=::;:: SOIL CUiSSIFICATION' IS "D" , RURAL DEVELOPMENT RUNOFF COEFFICIENT :::: .450~ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENtRATION WITH '10-1'1 I NUTES ADDED '::::' '12. 88 C t1 I NUTES) INITIAL SUBAREA FLOW-LENGTH (FEET) -800;00 UPSTREAM ELEVATION:::: 280.00 DOWNSTREAM ELEVATION:::: 170.00 ELEVATION DIFFERENCE:::: 110.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 3.434 SUBAREA RUNOFFCCFS) :::: 4.95 TOTAL AREA(ACRES) = 3.20 TOTAL RUNOFFCCFS) :::: :. 4. 95 **.**********.***************.*.*.***.***.*************t,~.*************************** _ FLOW PROCESS FROt1 NODE 127. 00 TO NODE :125. 00 I S CODE ::::. 4 - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ::::=====::::=====================::::==::::=====:::::::::::::-.::==:::::::::::::::::::::::::::========:::'.::::::::::===::::::::::::::::'======= • DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) == 7.1 UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 169.00 FLOW LENGTH (FEET) :::: 50.00 MANNINGS N;:::: .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU 8UBAREA(CFS) :::: 4.95 , TRAVEL TIME(MIN.) = .12 TC(~IN~) ~ 13.00 1 **************************************************************************** FLOW PROCESS FROM NODE 127.00 TO NODE 125.00 IS CODE == 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ::::==::::===================================================================~=============== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES) = 13.00 RAINFALL INTEI\ISITY (n~CH. IHOUR) '::: 3 .. 4:1. TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAI'l RUNOFF (CFS) AT CONFLUENCE, '.-4. 9~5 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUf~:) I _ i _ ----------------------------------------------------------------------------1 2 8.57 4.95 12.70 13.00 3.414 RAINFALL-INTENS1TY-RATIO CONFLUENCE FORMULA USED FOR 2!STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 13 .. 45 13.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) :::: 13.45 TIMECMINUTES) -12.702 TOTAL AREACACRES) = 8.60 w UJ <C :I: a. . ~ -**************************************************************************** FLOW PROCESS FROM NODE 125.00 TO NODE 128.0018 CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU 8UBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================= • DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.4 UPSTREAM NODE ELEVATION-= 169.'00 DOWNSTR'EAt1 NODE ELEVAT I ON' =" 145.00 FLOWLENGTH (FEET) = . 350. 00 t1ANN I NGS N = :. 013 GIVEN PIPE DIAMETER(tNCH) = 24.00 NUMBE~ OF PIPES = , PIPEFLOW THRU SUBAREAfCFS) = 13.45 TRAVEL TlME(MIN.) = .41 TC(MIN.) = 13.11 , , , 1 *********************************************~****************************** FLOW PRQCESS FROM NODE 125.00 TO NODE 128.00 IS CODE,'= 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STR~AM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.11 RAINFALL INTENSITY (INCH./HOUR) = 3.40 TOTAL STREAM AREA (ACRES) = 8.60 TOTAL 8TREAM'RUNOFF(CFS) AT CONFLUENCE = 13.45 *********************************************************~****************** FLOW PROCESS FROM NODE 129. 00 TO NODE ,1 ~$1 . 00 I S CODE = 2 -----------------------~-------------------~----------------~--~------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========================================~==================~============== • SOIL CLASSIFICATION IS liD" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) -1100.00 UPSTREAM ELEVATION = 243.00 DOWNSTREAM ELEVATION = 145.00 ELEVATION DIFFERENCE = 98.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTE8) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION O~ NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.735 SUBAREA RUNOFFCCFS) = 4.50 TOTAL AREA (ACRES) = 1.00 TOTAL RUNOFF (CFS) = 7.B30 USED. I I 4~~iO r .*,***********.*,,*,,*,,*,****.*,.**.******.*********************'**********-**************** FLOW PROCESS FRO!"I NODE 131 . 00 TO NODE 128. 00 I S CODE;J 4 --.. -------.. ---------.. --.... ----.. ------.. -------.-----.--------.. -----------... t---------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< . ! ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.1 UPSTREAM NODE ELEVATION = 145.00 DOWNS1REAM NODE ELEVATION = . 144.00 FLOW LENGTH (FEET) = 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = \18.00 NUMBER OF PIPES - PIPEFLOW THRU 8UBAREA(CFS) - ' 4.50 -i' TRAVEL TIt1E <t1IN.) = .04. TC (tiIIN.) -7.87 "\ .... !t,. .' , " : :~. .~~ , , .!'. " ~ '-'.: 1 ). ~ '.r . ...... ~ '. .. : , --w CJ) c:( ::I:-a.. ******************************1********************************************* FLOW PROCESS FROM NODE 131.100 TO NODE 128.00 IS CODE = 1 -------------------------------------------------------------------------~--»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =========='==========:::::=================::::::::::::::::::::::::::::::::=:::::::::====================-.:=======:::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 7.87 -RAINFALL INTENSITY (INCH./HOUR) = 4.72 • TOTAL STREAt1 AREA (ACRES)::: 1 • 00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4~50 **********************************************i***************************** FLOW PROCESS FROM NODE 133.00 TO NODE 134.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================================================~==========~= SOIL CLASSIFICATION IS "D" COl'111ERC I AL DEVELOPMENT RUNOFF COEFF I C lENT = '. 8500 INITIAL SUBAREA FLOW-LENGTH (FEET) -1100~00 UPSTREAM ELEVATION = 243.00 DOWNSTREAM ELEVATION = 145.00 ELEVATION DIFFERENCE = 98.00 URBAN'SUBARE~ 00ERLANri'iI~~ OF FLOW(MINUTES) = *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NdMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCE~DS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH 50 YEAR RAINFALL INTENSITY (INCH/HOUR) =' 3.435 SUBAREA RUNOFF(CFS) = 11.68 TOTAL AREA(ACRES) = 4.00 TOTAL RUNOFF(CFS) = 12.881 USED. 11. 6t=3 • '***************************'***-*'****.*******:******-11-******-11'***-)(-,**************'* FLOW PROCESS FROM NODE 134.00 TO NODE 128.00 IS CODE::: 4 . . ------------------------------------------~------------------~--------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUeAREA««< »»>USING USER-SPECIFIED PIPESIZE««< . ==============================:::::::=====::::::::================::;:=::::===!==============::: DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 144.00 FLOWLENGTH(FEET)· = 60,00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1. PIPEFLOW THRU SUBAREA(CFS) = 11.68 TRAVEL TIME(MIN.):::: .12 TC(MIN~) = 13.01 *******************************~****************************i*************** FLOW PROCESS FROM NODE 134.00 TO NODE 128.00 IS CODE =/ 1 ----------------------------------------~--------------------~--------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS ~ONFLUENCED STREAM VALUES««< ===========================================================d================ 1 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 13.01 RAINFALL INTENSITY (INCH./HDUR) ~ 3.41 TOTAL STREAM AREA (ACRES) = : 4.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -11.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) , ' .. ••• ___ • ____ .. _____ .. _______ • ___________ !.-~~-... ___ ........ If ... Htr.,." ........ -... -r. ... ~~-------./"" ... -.. ~---------.. --.-----.. - --w tJ) « :r: a. • " ... -. .. .. .-.... . :;;~ 4 . :50 7. 87 , 4. 718 13. 01 ~ 3.413 3 1 1 68 i . RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 28.3<) 2::~. 63 28.31 'COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 28.31 TIME(MINUTES) = 13.005 TOTAL AREA(ACRES) = 13.60 **********************************************~***************************** FLOW PROCESS FROM NODE 129.00 TO NODE 207.00 IS tODE = 4 , .. ---------------_ .. _----------_.-.-_. __ ._-_ ....... _ ..... _ ..... --.. --.. -----------..... ------.. ~-..... ---------....... - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 54.0 INCH PIPE IS 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = '15.6 UPSTREAt1 NODE ELE;VAT I ON . :=. ,. 144. 00 DOWNSTREAM NODE ELEVATION = 138.00 FLOWLENGTHCFEET) = 100.00 MANNINGS N = .. 013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 28.31 TRAVEL TIMECMIN.) = .11 TC(MIN.) = 13.11 ************************************************************~*************** FLOW PROCESS FROM NODE 128.00 TO NODE' 207.00 IS CODE = 1 -------------------------------------------------------------------~--------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . ===================================~=======================~.=============== • CONFLUENCE \/ALUES USED FOR I NDEPENDENT STREAM 1 ARE: : TIME OF CONCENTRATIO~(MINUTES) = 13.11 RAINFALL INTENSITY (INCH./HOUR) = 3.40: TOTAL STREAM AREA (ACRES) = 13.60 TOTAL STREAt'1 RUNOFF (CFS) AT CONFLUENCE =: 28.31 ***~********************************************************~*************** FLOW PROCESS FROM NODE 130.00 TO NODE' 207.00 IS CODE: = 7 »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE~«« ===========================~====~==============================~============ USER-SPECIFIED VALUES ARE AS FOLLOWS: TCCMIN) = 14.49 RAIN INTENSITY(INCH/HOUR) = 3.18 TOTAL AREA(ACRES) = 119.80 TOTAL RUNOFF(CFS) = 205.70 I i **************************************************************************** I FLOW PROCESS FROM NODE 130.00 TO NOD~ 207.00 IS CODE ~ 1 -----------------------------------------------------------~----------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =========~======================~==========================.================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ! TIME OF CONCENTRATION(MINUTES) = 14.49 RAINFALL INTENSITY (INCH./HOUR) = 3.18 TOTAL STREAM AREA (ACRES) = ,119.80 TOTAL STREAM RUNOFFCCFS) AT OONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) , , xkrENSITY ( IN'CH/HOUR> 205.70 I , ------------------------------,----------------~-------~--~-----------------.','" . ,~'.' ". : .. ~. -~ !" • ... -w t/) « :I: D. • 205.'70 14.49 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 221. 1 '7 232.24 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 232.24 TIME(MINUTES) = 14.490 TOTAL AREACACRES) = 133.40 **************************************************************************** FLOW PROCESS FROM NODE 207.00 TO NODE 135.00 IS CODE ~ 4 ----------------------------------------------~-----------------------------> ::; > > >CO~1PUTE PI PEFLOW TRAVEL TINE n-iRU SUBARE'A< < -::: <-::: »»>USING USER-SPECIFIED PIPESIZE««< =============================================~=============~================ DEPTH OF FLOW IN 54.0 INCH PIPE IS 29.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.2 UPSTREAM NODE ELEVATION = 138.00 DOWNSTREAN NODE ELEVATION = 106.00 FLOWLENGTH (FEET) = 650. 00 t"lf4NN I NGS N ::::: . . 013 GIVEN PIPE DIAt~IETEr.:;: (INCH) = 54.00 NUty1BEH OF PIPES ... ,. 1 PIPEFLOW THRU SUBAREA(CFS) -232.24 TRAVEL TINECNIN.) = .41 TCCNIN.) = 14.90 --.*.**.)!.*******.*,*.***************.*~.*,*.~)(.,*.**"".*.;*******,*.****,*.**.**:i\.*******.*****,*.***.** .. )(.*. W FLOW PROCESS FRON NODE 207. 00 TO NODE 1 ~':::5. 00 I S CODE = :l en -.---.-----------•• --.------.---..... -.-------.---.-.---•• -.--•••. ..,..---••• -.-.--.-.-.--.-----.-------...:.--. .,0..--.c( »»>DESIGNATE !I'\lDEPENDENT STREAty1 FOR CONFLUENCE««< . . :E: :::::==::::::==::::::::::::::::::::::::::::=============::::::::=====::::::::::=:::::::::::::::::::::::::::::::-.::=::::::::=-=:::::::::::::::==:::::::::::::::::::::==:::::::::::::::::::::::::===::::=::::::::::::= • CONFLUENCE VALUES USED FOR lNDEPENDENT SlREAN TIME OF CONCENTRATION(MINUTES) = 14.90 RAINFALL INTENSITY (INCH./HOUR) = 3.13 TOTAL STREAM AREA (ACRES) = 133.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: **************************************************************************** FLOW PROCESS FRON NODE 136.00 TO NODE 137.00 IS CODE =1 2· -----------------------------------------------------------------~---------~ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CLASSIFICATION IS liD" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TINE OF CONCENTRATION WITH 10-MINUTES ADDED = 14.34(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1200.00 UPSTREAM ELEVATION = 250.00 DOWNSTREAN ELEVATION = 122.00 ELEVATION DIFFERENCE = 128.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) -3.204 SUBAREA RUNOFF(CFS) = 16.44 TOTAL AREA (ACRES) .-:: 11.40 TOTf..1L RUNOFF (CFS) ... 16.44 **************************************************************************** FLOW PROCESS FROM NODE 137.00.TO NODE 135.00 IS CODE = 4 •~. · .. ·-;;;;;;~~;.~~~-;.~;.~;~~~~-·~;.;~:~~~r~;~~-~~~~;.~.--;~~~;'~~~:~·~~~----f---·"···--·~---···-·------- »»>USING USER-SPECIFIED PIPESIZE««< . . ==============================~===~======================~===============~== DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION -122.00 11.8 INGHES , D.. FLm~LENGTH (FEET) = -:r,·-;·'5 n(j • !'''!{:d\lt\! I I\!F,~; N::~ . 0 1 ~$ GIVEN PIPE DIf.-WIETER (INCH) -~ \ 1.8. 00 --'NUNBER DF PIPES 1 PIPEFLOW THRU SUBAREA(CFS) -.16.44 TRAVEL TINE(MIN.) -.40 TC(NIN.) = 14.75 **********~***************************************************************** FLOW PRDCESS FROM NODE 137.00 TO NODE . 135.00 IS CODE = 1 .----------_._--------------------_. __ :...._. __ ._-------_._.""_ ..... _-------------_ ...... _--------------- . »»>DE8IGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==================================::::::==========9==================~~========= CONFLUENCE VALUES USED FOR INDEPENDENT STREA~ 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.75 RAINFALL INTENSITY (INCH./HOUR) = 3.15 TOTAL STREAM AREA (ACRES) = 11.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) _ .. _------_._---_ .. -_ .. _-----_ .. _-------.. _---_ .. _--_ ..... _ .. _--.;.---------_ ............ __ ._-_ .. _-.. _----------- 1 23::~. 24 2 16.44 14.90 14.75 :;::.126 3.147 , RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FbLLOWS: 248.57 247.11 COMPUTEb CONFLOENtE ESTt~~T~S ARE AS FOLLOWS: RUNOFF (CFS) = 248.57 TIME(MINUTES) -14.904 TOTAL AREA(ACR~S) = 144.80 •***********'**'****************'**'****-)(o***';!1'*'*.******'*'***********,*************** FLOW PROCESS FROM NODE 135.00 TO NODE . 138.00 IS CODE = 4 W -.. "-----.-------.--------------------.---------------.----.-----.-----------------------------------.--U) -- »»>COl'1PUTE PIPEFLOW TRAVELTII'lE THRU SUBAREA««< .A »»>USING USER-SPECIFIED PIPESIZE««< ~ ~ :t: ==========================================~=================,===================== DEPTH OF FLOW IN 60.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.9 UPSTREAM NODE ELEVATION ~ 106.00 DOWNSTREAM NODE ELEVATION == 95.00 FLOWLENGTH (FEET).::: 300. 00 t1ANN I NGS N = . (> 13 GIVEN PIPE DIAMETER(INCH) == 60.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREACCFS) == 248.57 TRAVEL TIME(MIN.J == .21 TC(MIN.)::: 1.5.11 **************************************************************************** FLOW PROCESS FROM NODE 135.00 TO NODE 138.00 IS CODE=~ 1. , ----------------------------------------~-----------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ! =====:::::::==========:::=:::====::;:=======:::::::::=====:':::::::::'1:::=============::.-::::::::::=;::::=:::::::===:::::::::::::::::==::::;::::::: • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATIONCMINUTES) = 15.11 RAINFALL INTENSITY (INCH./HOUR) = 3.10 TOTAL STREAM AREA (ACRES) = 144.80 1 ARE: TOTAL STREAt'l RUNOFF (CFS) f.-lT CONFLUENCE == 248.5'7 , , *******************************~************************~*t***************** FLOW PROCESS FROM NODE 139.p(> TO NODE 140.00 IS CO~E'== 2 . ----------------------------------------------------------~------------------r : . »»>RATIONAL METHOD INITIAL SUBAREA ANALYSI~««< ~ .... , .... ! .}. . D. SOIL CU4SSIFICATIDN IS "0" : SINGLE FAMILY DEVELOPMENT RU~OFF COEFFICIENT::::: .550Q NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED::::: 15.09(MINUTES) iNITIAL SUBAREA FLDW-LENGTHCFEET) -1000.00 UPSTREAM ELEVATION ::::: 145.00 DOv.JNf:3TF<EAI'1 ELEVAT ION ::::: 96.00 ELEVATION DIFFERENCE::::: 49.00 • 50 YEAI;: RAINFALL INTENSITY (INCH/~"IOUr.:;:) -3. 101 SUBAREA RUNOFF (CFS) 7.67 TOTAL AREA(ACRES) ::::: 4.50 TOTAL RUNOFF (CFS) - , f , 7.67 **************************************************************************** FLOW PROCESS FROM NODE 140.00 TO NODE 138.00 IS CODE::::: 4 ----------------------------------------------~-----------------------------I »»)COMPUTE PIPEFLOW TRAVE~TIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::::: 10.5 UPSTREAM NODE ELEVATION::::: 96.00 DOWNSTREAM NODE ELEVATION ~., 95.00 FLOWLENGTH(FEET)::::: 24.00 MANNINGS N::::: .013 GIVEN PIPE D I AI'1ETER ( INCH)::::: 18. 00 NUt'lBE;R OF P I PES·-:1 PIPEFLOW THRU SUBAREA(CFS) -7.67 TRAVEL TIME(MIN.)::::: .04 TC(MIN.)::::: 15.13 **************************************************************************** FLOW PROCESS FROM NODE 140.00 TO NODE 138.00 IS COD~::::: 1 ---------------------------------------------------------~---~--------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< : .:::::~~~;:~~~~~:::::~~:~~~:::::~;~;:::::~~~:::::7~;~;;.~;~~r=;~~~~~:::::=:;:::::~~~;:::::~:::::==:::::~:::::::::::::::::::::::::===:::::::::::::::::::::::::::::: TIME OF CONCENTRATION (MINUTES) ::::: 15.13 RAINFALL INTENSITY CINCH./HOUR)::::: 3.10; TOTAL STREAM AREA (ACRES)::::: 4.50 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE :::::' 7.67 **************************************************************************** FLOW P'ROCESS FROM NODE 141 • 00 TO NODE 142. 00 I S CODE == 2 ----------------------------------------------------------------------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============::-.::::::::::=============:::::::==::::::::::===::::::::::::::::::::::::::::=::::::-.:::::=:::==::::::::::::::::·:::::::::====f=::::;:::==:::::::::::::======= SOIl,.. CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET)::::: 100.00 UPSTREAM ELEVATION::::: 160.00 DOWNSTREAM ELEVATION = 145.00 ELEVATION DIFFERENCE::::: 15.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.254 SUBAREA RUNOFF(CFS) = .47 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) - 9.246 f , .• 47 • • **************************************************************************** FLOW PROCESS FROM NODE 142.~0 TO NODE 143.00 IS CO~E[::::: 6 -------------------------------~------------------------~-~-----------------:;:. > >-) :;:'COI"If'UTE STREETFLOW TRAVEL T I t1E THRU 8UB?-IHEA< < <: <: < =:::::===::::::::::=:::::=====::::::::::==::::::::::==:::::======:::::=====:::::~~=:::::=:::::==.~~==:::::==~=~=::::::::::=::::::::::====~::::::::::=::::::::::==::::::::::=:::::::::::::::=:::::=~ •• :~ "f'" ~ ... :: ,.~,"':'~'" • t '.> ... ~ --w en <C :t D.. STREET LENGTHCFEET) = 1100.00 CURB HEIGTHCINCHES) ::: 6. STREET HALFWIDTHCFEET) ::: 24.do STREET CROSSFALLCDECIMAL) ~ .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF == 1 **TRAVELTIME COMPUTED USING MEA~ FLOW (CFS) = 4.13 STREET FLOWDEPTH(FEET)::: .30 HALFSTREET FLOODWIDTHCFEET) =8.88 AVERAGE FLOW VELOCITYCFEET/SEC.) = 4.55 PRODUCT OF DEPTH&VELOCITY ::: 1.38 • STREETFLOW TRAVEL TII'1E <I"1I~) = 4~ 03 TC (MIN)::: 13.2B 50 YEAR RAINFALL INTENSITY C lNCH/HOUR) = 3.368 SOIL CLASSIFICATION' IS "0" , SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENTf= .5500 SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNO~F(CFS)::: 7.22 SUMMED AREA (ACRES) ::: 4.10 TOTAL RUNOFF (CFS) = 7.69 ENO OF SUBAREA STREETFLOW HYDRAULICS: , DEPTHCFEET)::: .36 HALF STREET FLOODWIDTH(FEET) ::: 11.70 FLOW VELOCITY(FEET/SEC.) -5.18 DEPTH*VELPCITY == 1.86 --,*,,*.j!''*'****-li'**'*'****************'*''*'*,*'*-*'.j!'*'*'i!'"){'*'-t~*,j(''*''*-l!''*''**''*'**"***'**'*'****'*'*'*'*'****'*'***** _ FLOW PROCESS FROI"! I\IODE 143. 00 TO NODE 13£-3.00 I S CODE ,= il ---------------------------------------------~--------------~------------~--»»>COI'1PUTE PIPEFLOW TRAVELTII"lE THI~U SUBAI~,EA««< »»>USING USER-SPECIFIED PIPESIZE««< , ==:::==:::==:::::::::===========:::====:::==================:::=================~===========*==:::= • DEPTH OF FLOW, IN 18.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.) -10.5 UPSTREAM NODE ELEVATION = 96.00 DOWNSTREAM NODE ELEVATION == 95.00 7.8 INCHES FLOWLENGTH(FEET) = 24.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH) == 18.00 NDMijER OF PIPES ::: PIPEFLOW THRU SUBAREA(CFS) == 7.69 TRAVEL TIMECMIN.)::: .04 TC~MIN.) == 13.32 ******************************************~********************************* FLOW PROCESS FROM NODE 143.00 TO NODE: 138.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ===========================================================================~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 13.32 RAINFALL INTENSITY (INCH./HOUR) = 3.36 TOTAL STREAM AREA (ACRES) = 4.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (t1IN.) (INCH/HOUR) 7.69 , , I I i ---------------------------------------~------------------------------------ • 1 248.57 15. 11 3. (j9E3 2 7.67 15. 13 3.096 3 7.69 13.32 3. ~56~~ RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STAEAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: , 263.33 263.14 24~:;. 84, COMPUTED CONFLUENCE ESTIMATES' ARE AS FOLLOWS: RUNOFF (CFS) = 263.33 TIME(MINUTES) -15.113 TOTAL AREA (ACRES) = 15~ 40: . ._. .., *************************~********************************.***************** . . A' ~.~: . .~; " " : ',t ~ -:,,' ,. :.. ~., w en <C ::t: D. • ", .. ,w,., •••• ~ •• M •••• _.. • •• "N~' • , •• _.~L... .... , t" ........ l .... /·1 • ..:1 .. :1 .. .. . . ~ ---------------r--------------r------------------~--------------------------I. . »»)RATIONAL METHOD INITIAL'SUBAREA ANALYSIS««< =====================================================::::::==============::::::=:::=~= • SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELQPMENT RUNOFF· COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION::: 165.00 DOWNSTREAM ELEVATION::: 146.00 ELEVATION DIFFERENCE = 19.00 URBAN SUBAREA OVERLANb TIME OF FLOW(MINUTES)::: 9~946 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH . DEFINITION. EXTRA~OLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4t058 SUBAREA RUNOFF(CFS) - TOTAL AREA(ACRES) = .45 .20 TOTAL RUNOFF(CFS) ::: " 4::'5 -lE.**-lE.**.*********.********-j(.-j(.-j(.****.*********.**-*.**'"/!'*-*'**'*'*********:***'-lE-************* FLOW PROCESS FROM NODE 145.00 TO NODE 146.00 IS CODE::: 6 »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< =::=-====:::=====:-.::==:::==========:::==::::::::=======:===:::::::::::===:::======:::::====::!::==============::;::::::;: • UPSTREAM ELEVATION = 146.00 DOWNSTREAM ELEVATION = -107.00 STREET LENGTH (FEET) ::: 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) ::: 24~OO STREET CROSSFALL(DECIMAL} ::: .0200 SPEC I F I ED NUtvrBER OF HALF STREETS CARRY I NG RIJNOFF::: 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 3.70 STREET FLDWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.88 (WERAGE . FLPW VELOj: + TY (FEE'T I SEC.) = 4. 07 PRODUCT OF DEPTH&VELOCITY = 1.24 STREET FLOW TRAVELTIME(MIN)::: 4.09 TC(MIN) = 14.04 5.0 YEf~R RAINFALL INTENSITY (INCH/HOUR) ::: 3.249 SOIL CLASSIFICATION IS "D" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES)::: 3.60 SUBAREA RUNOFF(CFS) = 6.43 SUMMED AREA (ACRES) == 3.80 TOTAL RUNbFF(CFS) ::: 6.88 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .36 HALF STREET FLOODWIDTH(FEET) = 11.70 FLOW VELOCITY(FEET/SEC.) = 4.63 DEPTH*VELOCITY = 1.67 **************************************************************************** FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE = 2 ------------------------------------------------------------~---------------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========:::===============================================================:::=== • SOIL CLASSIFICATION IS "0" 1"1ULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT::::: .7000 INITIAL SUBAREA FLOW-LENGTH(FEET) -650.00 . UPSTREAM ELEVATION = 432.00 DOWNSTREAM ELEVATION = 365.00 ELEVATION DIFFERENCE::: 67.00 URBf~N SUBAREA OVERLAND T I ME OF FLOW (I"I I NUTES) = 16. 4(~)2 ! *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FUJWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF Not10GRAPH USE;.D • 50 YEAR RAINFALL INTENSITY <'INCHiHOUf;:) = 2. <?39 SUBAREA RUNOFF(CFS) -1.~4 TOTAL AREA(ACRES) = .7~ TOTAL RUNOFF(CFS) = -!1.44 -l(·**·***********·-l(:*********·*·*****··j(':·*",*··*****·lH·,*·****~**·l\·****·**'*;'*·-*·-l(·*·*·****1i·*·*·****·jH·-j(·* :. ,~. ~ .1. ~ .!-, • ;, • • ..... II ..... ' ._ \.... ... ...... ~ •• 10 ... --~---------------------------~----------~----------------------------------;, »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =============================================================~================= • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION (MINUTES) == 16.40 RAINFALL INTENSITY (INCH./HOUR) = 2.94 TOTAL STREAM AREA (ACRES) = .70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: 1. 44 **************************************************************************** FLOW PROCESS FROM NODE 260.00 TO NODE 261.00 IS CODE =. 2 ----------------------------------------------~-------------------------~---»»)RATIONAL METHOD INITIAL SUBAREA ANALYSI~««< ~==:======================~================================================== SOIL CLASSIFICATION IS "D" ! RURAL DEVELOPMENT RUNOFF COEFFICIENT == .4500: NATURAL WATERSHED Not10GRAPH TItTlE OF CONCENTRATION WITH 19-MINUTES ADDED ~ 12. 12(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -500~00 UPSTREAM ELEVATION = 430.00 DOWNSTREAM ELEVATION == 370.00 ELEVATION DIFFERENCE == 60.00 50 YEAR RAINFALL INTENSITY(INCH/HOUR) -3.573 SUBAREA RUNOFF (CFS) = 4.02 TOTAL AREA(ACRES) -2.50 TOTAL RUNO~F(CFS) = *********************.****.**.*********.*oj(-******************'**'****';:-****'**oj(_.*****.* FLOW PROCESS FROM NODE 261.00 TO NODE 11.00 IS CODE = 4 -----------------~----------------------------------------------------------»»>COMPUTE PIPtFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< .=~~;.~~=~;=;:~:=~:~===7;~~=7~~~=;.7;.~=7~~==:=~~:;~~:~~~~~======'=====:~========"======= PIPEFLOW VELOCITY(FEET/SEC.) = 10.6 UPSTREAM NODE ELEVATION == 370.00 DOWNSTREAM NODE ELEVATION = 365.00 FLOWLENGTH(FEET) = 70.00 MANNINGS NC= .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES = Ii PIPEFLOW THRU SUBAREA(C~S) = 4.02 TRAVEL TIME(MIN.) = .11 TC~MIN.) -12.22 ******************~********************************************************* FLOW PROCESS FROt1 NODE 261.00 TO NODE 11.00 IS CODE =; 1 ----------------------------------------------------------~--r--------~-----»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =======================~=======~============================,===~=======~=== CONFLUENCE VALUES USED FOR INDEPENDENT :STREAM 2 ARE: I TIME OF CONCENTRATION(MINUTES) = 12.22 RAINFALL INTENSITY (INCH./HOUR) = 3.55 TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -4.02 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY .-~~~~:~----~~::~-----~~:-~:~-~~~~~~~~:~~~----.--------------~---------------------- 1 1 • 44 16. 40 2. 939 : ? 4 ()'? 12.22 ! 3t155~:2 .:. I -. -..:.., , , i I ! . RAINFALL-INTENSITY-RATIO CONF~UENCE FORMULA USED FOR 2;S1~EAM~ VARIOUS CONFLUENCED'RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE"ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 5.21 TI~E{MINUTES) -12.225 TOTAL AREA (ACRES) = "3.20 **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 103.00 IS CODE = 4 ----------------------------------------------------------------------------• :> >-:> >-)CQt'lPUTE PI PEFLOW TRAVELT It1E THHU SUB('~HEA-::: < -::: < < »»>USING USER-SPECIFIED PIPESIZE««< =================================================~========================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.1 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 328.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = ~013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) -5.21 TRAVEL TIME{MIN.) -.62 TCCMIN.) = 12.85 **************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE =u 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALY~IS««< ============================================~==============================~ • SOIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -500.00 UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 " ELEVATION DIFFERENCE = "10.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 18.998 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.673 SUBAREA RUNOFF(CFS) = 2.79 TOTAL AREA (ACRES) = 1.90 TOTAL RUNOFF (CFS) = 2.79 "' ******************************************~********************************* FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = i 1 ----------------------------------------------------------------------------»»>-DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================~==========================================~=======:= CONFLUENCE VALU~S USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.00 "RAINFALL INTENSITY CINCH./HOUR) = 2.67 TOTAL STREAM AREA (ACRES) = 1.90 tOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 2.79 I ************************************************************~*************** FLOW PROCESS FROM NODE 262.00 TO NOD~ 263.00 IS CODE =i Z -_._---_ .. _---_ ... __ ... _---_ .. _.-._----_ .. _ ..... _ ..... -...... _ .. -... _ ..... _ ............ _ .. ,,_ ..... _ .. __ ....... _ ..... _-_ .. _--------:-------------_ ..... _ ... .. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================~======~================ • SOIL,.. CLASSIFICATION IS "DII RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WI 'fH 1 (l-M I NuTES ADDED = 1 L 89 (M I NU"fES) INITIAL SUBAREA FLOW-LENGTHCFEET) -500.00 UPSTREAM ELEVATION = 440.0Q DPWNSTREAM ELEVATION =" 3~O.OO ELEVATION DIFFERENCE = ao.OO 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.616 SUBAREA RUNOFF(CFS) = 5.B6 ..... ~. ; . ~ , *************-)}*-j('-j('-j('***,*'****-*****,*"**-)('**'1!'.;.('*1!.***."*.**~**,*.*,*'***"*'*"*'*'***-)(o"}('1!'.;.('.;.('"*'*"*'****'*'* FLOW PROCESS FROM NODE 263.00 TO NODE 101.00 IS CODE = 4 »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER~SPECIFIED PIPESIZE««< ==============================================================~====~======== • DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.5 INCHES PIPEFLOW VELOCITY (FEET ISEC.) :~-= 17. 1 UPSTREAM NODE ELEVATION = 360.00 DOWNSTREAM NODE ELEVATION = 330.00 I FLOW LENGTH (FEET) = 150.00 MANNINGS N = ~013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) = 5.86 TRA~EL TIME <t1IN.) = • 15 TC (trlIN.) = l2.~ 04 1 ***********************************************************~**************** FLOW PROCESS FROM NODE 263.00 TO NODE 101.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==========================:::::::=::-.::=======::-.::.:::===:::::==::::::::::::=::::"::::::::::::::::::::::::::::::==!.":::::::::::::::::::::::::::::::==:::::::;==== CONFLUENCE VALUES USED FOR INDEPENDENT STR~AM 2 ARE: TIME OF CONCENTRATION (MINUTES) =. 12.04 RAINFALL INTENSITY CINCH./HOUR) = 3.59 TOTAL STREAM AREA (ACRES) = 3.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NU!'1BER . (CFS) (!'1IN.) (INCH/HOUR) .---'~-'-----'--'~~-.-;~------'~~~~~-----.--;~~;;----~------------~-----~-.----~--------~- 2 5.86 12.04 3.587 RA I NF ALL - I NTENS I TY --RAT 10 CONFLUENCE FOF<I'1ULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS' FOLLOWS: • 7.16 7.94 COMPUTED CONFLUENCE ESTIMATES AF<E AS FOLLOWS: RUNOFFCCFS) = 7.94 TIMECMINUTES) = 12.040 TOTAL AREA(ACRES) = 5.50 2 S"rRE('~MS "}(·*****-j(·*****,*·-l(·****************"*'******-)(·i!·,*·1!'"li'******-)(o-*********-l('**-***-*-l('*******,*',*''*' FLOW PROCESS FROM NODE 101.00 TO NODE 103.00 IS CODE'= I 4 ____________________________________________________________ J ______________ _ »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ===~==============================~~====~===================~=============== • DEPTH OF FLOW IN . 18.0 INCH'PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = 328.00 INCHES FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) -7.94 TRAVEL TIME(MIN.) = .06 . TC (l'l1N.)"-12.10 .:' , I .' 1 '*.*******'*.*****-l(.'*.***************~.*-l(.*****'*,****-l(,*******,*·*,*,*~*t***"*·,*'**,*·********* FLOW PROCESS FROM NODE 10l.pO TO NODE 103.00 IS COPE:= 1 --------------------------------------------------------r-+-----------------~ . '. »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE Vf~LUES USED FOF( INDEPEI\IDENT STHEAtT1 1 ARE: T I ME OF CONCENTRAT I ON (tTH NUTE~:»:::: 12. 10 RAINFALL INTENSITY (INCH./HOUR):::: 3.5e TOTAL STREAM AREA (ACRES):::: 5.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 7.94 **************************************************************************** ' •. -~:~~-~~~~:~~-~~~~-~~~:-~--.~~~-~~~-~~-.~~~:----~~~:~~~-:~-~~~:-:---~----------.--.. - »»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ::::=======::::::::=::::::::=::::::::::::~::::::::::::::::===::::::::::::::::::::::::=::::::::::::::::::::::::=::::::::::::::::::::::::::::F==::::::::===::::::::::::::::::::~::::=::::::::==:::::::::::::::::::::::::::::::::::::::: USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN):::: 16.90 RAIN INTENSITY(INCH/HOUR) :::: 2.88 TOTAL AREA(ACRES):::: 3.20 TOTAL RUNOFF(CFS) :::: 5.2() *********************************************~****************************** FLOW PRQCESS FROM NODE 11.00 TO NODE 103.00 1S CODE ':::: 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ' =::::==::::::::====::::::::::::::::::::::::::::::::===============::::=::::=::::======~=======::::====::::::::~~=::::====::::=::::==::::::::=:::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES):::: 16.90 RAINFALL INTENSITY (INCH./HOUR):::: 2.88 TOTAL STREAM,AHEA (ACRES):::: 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 5.20 CONFLUENCE INFORMATION~ STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------------------------------------------------------------~-------~-------• 1 7.94 2 5.2() 12.10 16.90 2.883 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA US~D FOR 2 STHEAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE A~ FOLLOWS: 12. 1:::;; 11 • 60 COMPUTED CONFLUENC -.. ~-'IMATES ARE ~'S FOLLOWS: RUNOFF (CFS) :::: TiME(MINUTES):::: 12.099 TOTAL AREA(ACRES) 8 71 131l/£)' ·O~ PH;9.5C..r STOlel1 PRrllN ~ Blt.t. BA'..e-t/cS , /J~/V~ .see S-h"r. 39 0;:: INR PL.19"v **************************************************************************** FLOW PROCESS FROM NODE . 103.00 'TO NODE 104.00 IS CODE =; 4, ----------------------------------------------------------~-~---------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< I »»>USING USER-SPECIFIED PIPESIZE««< ==============:::============::=:::::::=======::::::::::::::::======:::;=============t::==:=::::============ DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.8 INCHES , PIPEFLOW VELOCITY(FEET/SEC.) = 10.1 UPSTREAM NODE ELEVATION:::: 328.00 DOWNSTREAM NODE ELEVATION:::: 307.00 FLOWLENGTH(FEET):::: 750.00 MANNINGS N -.013 GIVEN PIPE DIAMETEH(INCH) :::: 24.00 NUMBER OF PIPES:::: /1 PIPEFLOW THRU SUBAREA(CFS) = 12.13 TRAVEL tIME(MIN.):::: 1.24 TC(MIN.) = 13.34 , .,*-l(,***************************~******,*,******,***-)(.*'*.******~*'*.**'*.~"****.**'*.**.**'** FLOW PROCESS FROt·1 NODE 103 X)() TO NODE 104. 00 I S CODE! == :l _ .. ___ . __ .. __ ..... _ .. __ .. ____ ..... _. __ ..... _ .. ___ .... ___ . ____ ~ ..... _____ ..... __ .. __ .. ___ .... __ .. ______ ... __ .L_!.-__ .. ___ ... ___________ ._ : ! . »»>DESIGN0TE INDEPENDENT STREAM FOR CONFLUENC~««<; , . ::::::::::::==::::::::::::=::::=====~====::::===::::===::::::::=::::::::=::::::::==::::===::::.~=::::=::::::::=::::::::==~==~==::::=::::==::::::::::::==::::::::=::::= ~::. :~~. : ~ ,r . .,.J' .,! . , ,.:s.:. -- I ......... 1 ....... ' .... _.I~M:._ I •••• ,~ • .!.:·I._.I,_,i L_I~; ... ,-._l·, I • •• .1ll~.'" ... lll I TIME OF CONCENTRATION(MINUTE~) = 13.34 RAINFALL INTENSITY (INCH./HODR) = 3.36 TOTAL STREAM AREA (ACRES) = 8.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.13 **************************************************************************** FLOW PROCESS FROM NODE 105.00 TO NODE 106.00 IS CODE = 2 .-;;;;;~~~~~~~~-~~~~~~-~~r~~~~-~~;~~~~-~~~~~~~~~~~~~----.. ~.----.-... -------~.-----.- =====================================================================~====== SOIL CLASSIFICATION IS "D" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENTI= .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = 312.00 DOWNSTREAM ELEVATION = 310.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUT8S) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 106.00 TO NODE ~07.00 IS CODE = 6 ----_._-_...:.._._--------_ ..... _-------_ .......... _. __ .. _ .................... -....... -.. --_ .. -.. _--_ ..... _----_ .. -.. _------.. _--_ .. _------- »»>COMPUTE 'STREETFLOW TRAVELTIME THRU SU~AREA««< ============================================================================ • UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION =, 307.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTH(INCHES) ~ ~.' STREET HALFWIDTHCFEET) = 28.00 STREET CROS6FALL(DECIMAL) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) = '.40 HALFSTREET FLOODWIDTHCFEET) = 1~.51 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = .64 1. 61 STREET FLOW TRAVELTIME(MIN) = 9.33 TC~MIN) = 17.63 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.806 SOIL CLASSIFIC?HION IS tiD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.20 SUBAREA RUNOFF(CFS) = 11.11 SUMMED AREA (ACRES) = 7.40 TOTAL RUNOFF(CFS) = 11.61 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .48 HALFSTREET FLOODWIDTH(FEET) -17.65 FLOW VELOCITY(FEET/SEC.) = 1.80 DEPTH*VELOCITY = .S61 i .0200 ************************************************************~*************** FLOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE =: 4 , ----------------------------------------------------------------~-----------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==:=========:=================================~============~=~=======:=::::::::::===:~=~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.7 INCHES ' ; PIPEFLOW VELOCITY(FEET/SEC.)::::: 8.0 UPSTREAM NODE ELEVATION::::: 307.'00 DOWNSTRE:?~tT1 NODE E'LEVAT I oN . :::::" . 306. 00 •-FLOWLENGTH (FEET) =: 60. 00 . l'lANN I NGS N::::: . 01::::' GIVEN PIPE DIAMETER(INCH) =: 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) =: \ 11.61 TRAVEL TIME(MIN.) = .12 'TC(MIN.) =: 17.75 " . ~ " I~' . ~~. ,. w en <C :E: Q. FLOW PROCESS FROM NODE 107:00 TO NODE 104.00 IS CODE = 1 ~ ------------------------------~---------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ================================================~======:::::==~===:::::=========~:::::==:::::==:::::====:::::== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE; TIME OF CONCENTRATION(MINUTES)::::: 17.75 RAINFALL INTENSITY (INCH./HOUR)::::: 2.79 TOTAL STREAM AREA (ACRES) == 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.61 **********************************************t*************~*************** FLOW PROCESS FROM NODE 108.00 TO NODE 109.00 IS CODE = 2 I . ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALY9IS««< ::::::::==========::::::::::::::===:::::::==:::::=::".:::::=:::::::=:::::::::::=::::===:::::"::::=::::::::=:::=:::::~::::===:::::====::::===~=::::=::::===::::========= SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) --100.'00 UPSTREAM ELEVATION == 313.00 DOWNSTREAM ELEVATION == 311.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND T I 1'1E OF FLO~J (1'1 I NUTES) == 8. 299 ~ 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) .50 TOTAL AREA (ACRES) == .20 TOTAL RUNO~F(CFS) -.~O -- *****.*.**.*******.**.****.***********.****.**,**.*.**-j(-***.*********************.*****.**oj(-W FLOW PF{OCESf~ FROt1 NODE 109. 00 TO NDDE 241 . 00 I S CODE =: 6 en .A --------------------------------------------------------------~-------------~ »»>COt1PUTE STREETFLOvJ TRAVELTIty'IE THF~U SUBAREA««< % ========================~=::::::::.:::::=::::::=:::::::::=======:::::===:::::: .. =====::::======:::::====:::::::::======:::::;=::::::::::::=:::::======::::::::===========:::: a. • UPSTREAM ELEVATION::::: 312.00, DOWNSTREAM ELEVATION '= 291~00 STREET LENGTH (FEET) ::::: 500.00 CURB HEIGTH(INCHES) == 6. STREET HALFWIDTH(FEET) ::::: 24.00 STREET CROSSFALL(DECIMAL) ::::: .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING:RUNOFF == 1 **TRAVELTIME COMPUTED USING MEAN fLOW(CFS) -1.78 STREET FLOWDEPTH(FEET) = .25 HALF STREET FLOODWIDTH(FEET) == 6.07 AVERAGE FLOW VELOCITY(FEET/SEC.)· = 3.66 PRODUCT OF DEPTH&VELOCITY ::::: .91 STREETFLOW TRAVELTIME(MIN)::::: 2.28 TC(MIN) = 10.58 50 YEAR RAINFALL INTENSITY(INCH/HOUR) == 3.900 SOIL CLASSIFH:;ATION IS "D" SINGLE FAMILY DEVELOPMENT' RUNOFF ~OEFFICIENT ~ .5500 SUBAREA AREA(ACRES) = 1.20 SUBAREA RUNOFF(CFS) - SUMMED AREA(ACRES) = 1.46 TOTAL RUNOFFCCFS) - END OF SUBAREA STREETFLOW HYDRAULICS: 3. (DB DEPTH(FEET) = .29 HALFSTREET FLOODWIDTH(FEET) = FLOW VELOCITY(FEET/SEC.) :::: 3.91 DEPTH*VELOCITY:::: 8.18 1. 1 ~!.' ****************************************~******************~**************** FLOW PROCeSS FROM NDDE 241.00 TO NODE 104.00 IS CODE ~ 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< , »»>USING USER-SPECIFIED PIRESIZE««< ; . • ::::~~;.;.~==~~=~~~~::::~~==~~~;==~~~~:::~;..~;.~:::::~~=:~~~;~;=~~~~~~::::=:::::===~=:::!:==========::::=::::=:::::=::::=::::==: PIPEFLOW VELOCITY(FEET/SEC.) ~ 6.8 ' UPSTREAt1 NODE ELEVATION:::: 2;91.00 DOWNSTREAM NODE ELEVATION == 290.00 FLOWLENGTHCFEET):::: 40.00 MANNINGS N ~ .013 ,~~.". ';~.~ , '. :~, •• ':~.:.: :::' rt • :,,~.~ ,.J .. , PIPEFLOW THRU SUBAREA (CFS) 3.08 TR{~'v'EL T If/IE <r''!I N.)::::: . 1 0 ~ TC (t'll H..!.) --1. O. 68 **************************************************************************** FLOW PROCESS FROM NODE 241.00 TO NODE 104.00 IS CODE == 1 ---_ .. _--_ .. __ ....... _ .. _ ... _._-_ .. -. __ ... -..... _.-.. __ .. _ ....... _ ...... -...... " .. -.-...... --.. --.... --....... -..... -... --.. -.--..... --....... ~ ..... -....... __ .. ""'!'-.. __ ....... _ .. _. __ .. _ .. _-_ .. _..... -- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCt««< .~=~;,:~~;:~~~==~:~;::~.~~~~~:;:~:~~~==~~.~;,~~:~~~~~;~:::::~~~~~~~~:~~:~~~~~~~:==:~===:=======::=======:.==:::::~~===:= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) == 10.68 RAI~FALL INTENSITY (INCH./HOUR) = 3.88 TOTAL STREAM AREA (ACRES) == 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 3.08 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt1BEF~ (CFS) (t1 IN.) ( I NCH I HOUFO ----------------------------------------------------------------------------1 12. 13 1 .... ~. 1-';:' .. .::." 3. 35C;\ 2 11. 61 17.75 2. '79::::- ~5 3.08 10.68 :3.877 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMUL~ USED FOR 3 sTREAMS VAR I OUS CONFL.UENCED RUNOFF VAL.UES Af-~E AS F!OL.LOWS: 24.45 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 24. 45 T U1E 0<11 NUTES) -. 13. 336 TOTAL AREA(ACRES) = 17.50 ******************************************~*************~******************* FLOW PROCESS FROM NODE 245.00 TO NODE 246.00 IS cdbE = 2 •.. -;;;;;~~~~~~;~-~~~~~~-~~~~~~~-~~;.~~~~-~~~~~~~.~~~~~~ _____ ~ __ 4. ___ • __________ . ____ _ ======================================================================================= SOIL CLASSIFICATION IS "D" Cot1t"IEHC I AL DEVELOP\vIENT f-~UNOFr: COEFF I C I El'lT = • 8500 INITIAL SUBAREA FLOW-LENGTH (FEET) -550.00 UPSTHEAM ELEVATION == 323.00 DOWNSTREAM ELEVATION = 279.00 ELEVATION DIFFEHENCE = 44.,00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = S.884 *CAUTION: SUBAHEA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAHEA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAH RAINFALL INTENSITY (INCH/HOUR) = 4.365 SUBAREA'RUNOFF(CFS) -4,23 TOTAL AREA(ACHES) == 1.14 TOTAL HUNOFFCCFS) -~.23 ! ***********************************************************~**************** FLOv.J PROCESS FRot'l NODE 246.00 TO NODE 2~50. 00 I SCODE =f: 4 , ------------------------~-----------------------------~----r--------~-------. »»>COMPUTE PLPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< .::=~~~~~:g~==~~~~::~::~~:~~~~g~~~!;.;=~~:===::=;==7~~~;;=======7:=~"=~"=========::::::::::==:==:~= UPSTREAM NODE ELEVATION == 298.00 T ~ ~\97 .-n DOWNSTREAM NODE ELEVA ION == " L .V_ FLOWLENGTH(FEET) = 40.00' MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) == :18.00 NUMB~R OF PIPES - 1 .. :" . ., :-1' ,;".-. , I I! ~ .. '. -w tJ) « :a::: a. TRAVEL TIME(MIN.) = .09 8.97 **************************************************************************** FLOW PROCESS FROM NODE 246.00 TO NODE 250.00 IS CODE = .1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 8.97 RAINFALL INTENSITY (INCH./HOUR):::: 4.34 TOTAL STREAM AREA (ACRES) = 1.14 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 AF~E: 4.23 **************************************************************************** , I FLOW PROCESS FROM NODE 247.00 TO NODE 248.00 IS CODE:::: 2 --------~-------------------------------------~-------------------~---------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ================::::::::=======::::::::::::======:::::::===::::::::::::::::::============::::::::::::=======::::=:::::::::=:::::::-.:'======== SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -275.00 UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = 298.00 ELEVATION DIFFERENCE = 12.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUtES):::: 13.236 *tAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.375 SUBAREA RUNOFF(CFS) -.93 TOTAL AREA (ACRES) = .50 TOTAL RUNOFF (CFS) = .R3 .*,*******************,l(.******,********~.*~.*.***~************.~.*****f*****.********** FLOW PROCESS FROM NODE 248.00 TO NODE . 250.00 IS CODE = 4 ------------------------------------------~---------------------------~-----»»>COMPUTE PIPE~LOW TRAVELTIME THRU SU$AREA««< »»>USING USER-SPECIFIED PIPESIZE««< . ::::==:::::======================~':::===::::=====:::======::::==========:::::::==::::==~===:=====::::====== DEPTH OF FLOW IN 18.0' INCH PIPE IS 3.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.8 UPSTREAM NODE ELEVATION:::: 298.00 DOWNSTREAM NODE ~LEVATION:::: 297.00 FLOWLENGTH(FEET):::: 40.00 MANNINGS N:::: .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) -.93 TRAVEL TIME <t1IN.) = .14 TC (t1IN.) --1~5. 38 r I 1 **************************************************************************** FLOW F'ROCEBS FROM NODE 248. 00 TO NODE 250. 00 I S CODE::::! 1 -.. --.. -----... ------.. ---.. --------..... -----------.... -.. -.. ---.. -... ------..... -----!"""-----r----------~-----.. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< , i =======::::==================::::~=======================::::=====::::================== • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES):::: 13.38 RAINFALL INTENSITY (INCH./HOUR):::: 3.35 TOTAL STREAM AREA (ACRES) = .50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - CONFLUENCE INFORt1ATION: ., ":' STREAM RUNOFF TIME INTENSITY NUI"IBER (CFS) (l'lIN.) (INCH/HOUm 2 ARE: .93 1 4. 2:-$ 8. 97 . 4 . -r""'1' , .'::,.'::.s::: • 2 93 13. :~;8 ~ 3. 352 . , RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 4.95 4.20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) == 4.95 TIME(MINUTES) == 8.974 -= ~ ~: ~: == ~ ~:::~~!:::: ~ ::::::: =: ==::::::: :::!:~ ~ ~ ==::::::: =: == ::::=:::::: ::: ::::::::: == ::=:= ==::::::: ::: ::::::::::::::: ::: :::: ::::=:::::: :~"::: ::: ::: :::::: ::: == ~:::::: ::: :::::= END OF RATIONAL METHOD ANALYSIS • • ',. " ';0 ... • ':' .:. '!L :(1,~. I~~~~~~~~~~ ___ .......... ___ -,-_ .............. _______ ";;.." ...;... ___ " _. _________ .' ........... ' ___ ... • ii::'~'."'; t~'~~:'f~t~~~ .. t~tr!t· i I ..... . ' J / I, • CITY OF CARLSBAD CARLSBAD HIGHLANDS I HYD-ROLOGY STUDY 100-YEAR HYDROLOGY STUDY \V.O. 270 -1f·0 ~ .. ;0 c < ~ VI C ~ .... -00 \11 ". "'C "'C rn Z o .... >< >< -• m •~ r;:~: . .,...::-. courrry 0,.. ~H D XEGO - ---• DEPARTMEIiT OF SANITATION ~ --FL"OOD CONTROL .. -p. 33- 45 I 'c'!: .. r, L?-< f >= ::...- 30' :., ..... -... 1 I~' I:;;: h .. i: • • 15 1 I ' . Liv \ / ... _~ J_ . . (> ,., i I II ' , ~ ---'---~ ':.l-\---' r \ 45 I ~_)i .\"J"uuW ::;r:=:: . Pr-wpa+,' ~ U.S~ DEPARTMEt-!ir OF COll(WERCE )fATIONAt. OCEANIC AXD AT~OSPIIEKIC AD~NISTaA"'OK SPECIAL STUDIES BRANCH. OlFICE OF UTl)ROLOGY. lIATIOHAt. WE'ATHER SERVICE .c-· 3D' -l ! . t LU ·r-----n ·-r·. ' l I 1181 , 45 1 3D· 15' 117-45 1 30' 15' 116- i -) ) Revised 1/85 APPI .~x XI-~ '~---r ~ .• '" Directions for Application: 1'} From precipitation maps determine S hr. and I • Intensity CIn./Hr.) 24 hr. amounts for the selected frequency. These maps areprlnted in the County Hydrology r·ianual (10, 50 and lOa yr. maps inclu"ded in the Design and' Procedure ~1anua1)., "' 4. 2) Adjust 6 hr. -precipitation 1.iJ necessary) so that it is within the range of-45Z to 65~"pf. the 24 hr. precipitation. (Not uflPlicable to Desert) z Pl~t S hr. precipitation on the rioht side ~ . • of the chart. ~ ~ Ora ... , aline through the point parall el to" the ~ plotted 1 ines. . This line is the intensity-duration curve for the location being analyzed. Se 1 ected Frequency: 100 yr. ___ " * . Ps = 29 in., P24= 5.0,".!i = 58 %* ~" ," PZ4 ,1 ... -2) Adjusted_ *p s= '2~'9 in. -... ft'IIIII--I-I~:I:'~'~~-I"i':i'~:'~~I~IIIIIIIIII~ >< .... -----. , - --1-+-1-+-1-1 1-4 I-,l-+-I-+-~I-l-I-I-I-I-I~+U-I < .~~~-..->.1 .!.10 ~ 15 20 " 30 Minutes 40 50 1 Duration 1111111-1 I I I I H+I-H-+++l··· 11II1Il1-H I I I I I I H+~~-I~+H-!+l, •. , H-I-I I, 1 I I H-H+H 2 Hours 3 4 5 6 3) t = min. , c 4) I = in/hr. *Not Applicable to Desert Region .,. Al'PENDIX XI IV-A-14 Revised 1/85 ", =============a.=aa==a====~~==================~===================~========== RATIONAL ME'rIiOD HYDROLOGY COMPU'rER PROGRAM PACKAGE 'Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1985,1981 HYDROLOGY MANUAL ===================.a= •• a ••• a==================7~=========================== .: < < < < < < < <,< < < < ~ < < ~ < <, < < < < < < <.< ~ < ~ < < < < < < > > > > > > > > > > > > > > > > > > > > > > > > > > > » > > > > > > > > > (C) Copyright 1982,1986 Advanced Engine~ring Software (AES) j Especially prepared fo'r: HUNSAKER & ASSOCIATE& «««««««««««««««««««»»»»».»»»»»»»»»»»»»» **********DESCRIPTION * CARLSBAD HIGHLANDS * W.O. 270-40-682 * 3/28/88 OF RESULTS***************~**************************** 100-YEAR HYDROLOGY S;TUDY * I * * **************************************************************************** USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -----------------------------------------~----------------------------------.. 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) =::: 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.900 A:'ECIFIED MINII'lUM PIPE BIZE(INCH) =::: 18.00' ~:'EC I FlED PERCENT ()F~ f~H~/·~D I ENTS (DEC I t'I{·H*) TO USE FOR Ff~ I CT ION SLOPE = • 85 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» Advanced Engineering Software CAESJ SERIAL No. 107301 VER. 3.4A RELE0BE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» ~. I I I I • **************************************************************************** FLOW PROCESS FROM NODE 1.00 TO NODE 2.00 IS CODE =:2 . . . --------------------------------------------------------------~-------------. r· »»)RATIONAL METHOD INITIAL SUBAREA ANALYBIS««< 1 ===============================================================~============= SOIL CLASSIFICATHJN IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION m 342.00 DOWNSTREAM ELEVATION ~ 340.00 ELEVATION DIFFERENCE = 2.00 . URBAN SUBAREA OVERLAND TIME O~ FLOW(MINUTES) = "A)O YEAR n?HNFm.L. INTENEIlTY(INCH/HOUn) ::".1 5.511 ~AREA RUNOFF(CFS) m .61\ TOTAL AREA(ACREB) ~ .20 'TOTAL RUNOFF (CFS) - t I J , . y v v.v " ~ 't. V;f v v \II ". w v " " " " ~ " v " 'I t'J U " U ". " ~, f't v " \1 " \I \j U Y '" v " " 'f .. , v " ~ ~ ~,'" -'1 \I .., .., ..... '::" ,. " ': " v ... '" ..., ."" " v ". " ~'.~: 't,~ ";,.,,1{' i ~. " 1 •• ' ',! .!~ . ..., t. t,' ~ ••• : •• '~,! 1,., :' •• ' i, ... · •••.. . ~.'\. 1~ ! -- w (fJ II( :r: Q. ! ============================================================================ SOIL CLASSIFIC('HION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF' COEFFICIENT = .5500 INITIAL ,SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 A.JBAREA RUNOFF(CFS) = .61 ~6TAL AREACACRES) = .20 TOTAL RUNOFF(CFS) -.61 f **************************************************************************** FLOW PROCESS FROM NODE 28.00 TO NODE 29.00 IS CODE = 6 --------~---------------------------------------~------------------------~--»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBARE~««< ======::::==~===:::==:::::::::::::====:::::=:::::=::::==::::::::::::::::::::::::::::::::::::::::::::::::::::::::::=:::=:::::::::::::================:;::::::::::::::::::::::::::==:::::====;::: UPSTREAM ELEVATION = 391.00 DmmSTREAr1 ELLEVATION = 370.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSS~ALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME' COMPUTED USING MEAN FLOW(tFS) = 6.30 ~ STREET FLOWDEPTHCFEET) = .30 HALFSTREET FLOODW1DTHCFEET) = 8.54' AVERAGE FLOW VELOCITY(FEET/SEC.) -:~.72 PRODUCT DF DEPTH&VELOCITY = 1.10 STREETFLOW TRAVELTIME(MIN) = 3.14 TC(MIN) = 11.44 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ~ 4.481 SOIL CLASSIFICATION IS 110 11 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENJ = .5500 SUBAREA AREACACRES) = 4.60 SUBAREA RUNOFF(CFS) = 11.34 BUMMED AREA (ACRES) = 4.80 TOTAL RUNOFF{CFS) -11.94 • ND OF SUBAREA STREETFLOW HYDF<AUL I CS ~ . EPTH (FEET) = • 35 HALFSTREET FLOOm,j I DTH (FEET) = 11. 02 FLOW VELOCITY(FEET/SEC.) = 4.48 DEPTH*VELOCITy = 1.55 **************************************************************~************* FLOW PROCESS FROM NODE 29.00 TO NODE 30.00 IS CODE = 4 ----------------------------------------------------~-----------------------»»>COMPUTE PIPE~LOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============~============::::::=============:::=:::===::::::=::::=:::=::::===::::===========::::==::::::::~= DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.8 INCHES PIPEFLOW VELoCITYCFEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION:::: 370.00 DOWNSTREAM NODE ELEVATION = 368.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N:::: .013 , I I J ~ ;' GIVEN PIPE DIAMETERCINCH) :::: 24.00 NUMBER OF PIPES -k· 1 r PIPEFLOW THRU SUBAREA (CFS) -11.94 TRAVEL TIME(MIN.) = .07 TC(MIN.):::: 11.51 i , i t ( I **************************************************************************** : : FLOW PROCESS FROM NODE 29.00 TO· NODE 30.00 IS CODE::: j 1 -------------------------------------------------------------------------~--»»>DESIGNATE INDEPENDENT STREAM FOR CDNFLUENCE««< j 1" •••• :::->->->AND Cot1PUTE VAR I OUS CONFLUENCED STREAt'l VALUES-=:: -::: -::: -::: -::: r .• ===:::==:::=:::=::::====:::==:::::===:::=========:::::=:::===:=~~-::::::::==:::::::::::::::::::==:::==::::::::=i:::::::::::==:::~.:::::==::::::::::::::::::::::::: CONFLUENCE VALUES USED FOR I NDEr'ENDENT STREAI"I 2 ?iRE: :. i TIME OF CONCENTRATION(MINUTES) = 11.51 I r" RAINFALL INTENSITY (INCH./HOUR):::: 4.46 TOTAL STREAM AREA (ACRES):::: 4.80 -.~ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) -------------------------------------------------------------------~-------- 1 23.36 11.94 11.24 11. 51 4.5::H 4.462 aA!.~FA~L-IN·~~EN!~I·\Y-RATIO CClNFLU~I~CE .. ~OF\:1 .. 1U~A USED FOR ~kIOUS CON~LUENCED RUNOFF VALULS ARE AS POLLOWS: 35.12 34.95 . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: . RUNOFF (CFS) = 35.12 TIMECMINUTES) = 11'241 TOTAL AREA (ACRES) = 14.10 f , 2 STREAM!:-} ******~****~************************************~*************************** FLOW PROCESS FROM NODE 30.00 TO NODE 44.00 IS CODE = 4 -----------------------------------------------~----------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USEH-SPECIFIED PIPESIZE««< ============================================================================ : DEPTH OF FLOW IN 30.0 INCH PIPE IS 16.0 INC.l-·IES PIPEFLOW VELOCITY~FEET/SEC.)· = 13.2 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAHEA(CFS) -35.12 TRAVEL TIME(MIN.) = 1.26 .TC(MIN.) -12.50 **************************************************************************** FLOW PROCESS FROM NODE 31.00 TO NobE 32.00 IS CODE = 2 .;;;;~~~~~~~~-~~~~~~~.-~~~~~~~~-;~~~~~~--~;~~~~~~.~~:~:~:~~---------.. ------~--.--.. -----.-.----- ===================================================~======================== SOIL CLASSIFICATION IS liD" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTHEAM ELEVATION = 377.00 DOWNSTREAM ELEVATION = 375.00 ELEVAtION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) -.61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = 8.299 ~61i 1 i ,. ·It*************·****·lI-**********·lI-*************·lt·**·lI-*'**'**'****'********'lI-****'lI-****** ~ . FLOW PROCESS FROM NODE 32.00 TO NODE: 33.00 Is CODE = ~6 ..... _---_ .. _. __ ... -.. __ .... -....... -.--_ .. _--_ .. _----_ .. -............ _ .. _ ..... __ .. _---_ .. -_ .. _----_ .. _---.. _----"""':"-.. _ .. _---_ .. _ .......... _-----_ ... .. »»>COMPUTE STHEETFLOW TRAVELTIME THRU SUBAREA««< t .. ============================================================~~============~= UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = ~72.00 STREET LENGTH(FEET) = 580.00 CURB HEIGTH(INCHES) = 6.; ! STREET HALFWIDTH (FEET) = 2E!.00 STHEET CROSBFALL <DECII¥IAL) .-.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ~ **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -r;> i6n ...... ~ .. • STREET FUJWDEPTH (FEET):;::: . 30 HALFSTH~ET·FLOODWIDTH(FE~T) = 8.54 1 ,. AVERAGE FLOW VELOCITY (FEt~T ISEC.) -- PRODUCT OF DEPTH&VELOCITY = .46 STREETFLOW TRAVELTIME (MIN) = 6.31 TC(MIN) 14.61 .' l.;~ . ' ;,i , ~. -.~ . ~.'~ .. ,- ••• .' ._........ ';' ••• 1._. 1 ..... ·.1. I I •• 1. t ·1 ..... Co: ! I\.. ...... ; ... SOIL CLASSIFICATION IS "D" '. SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.90 SUBAREA RUNOFF(CFS) -4.00 SUMMED AREA (ACRES) = 2.10 TOTAL RUNOFF(CFS) -4.60 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITYCFEET/SEC.) = 1.73 DEPTH*VELOCITY = ~60 ., _**************************'*****'*'*'l!'ol('***'******'*************-)(-'*"*'-*'**********ol(' FLOW PROCESS FROM NODE 33.00 TO NODE 37.00 IS CODE = 4 ------------------------------------------------~---------------------------»»~COMPU~E PIPEFLOW TRAVELTIME THRU SUBAREA<~«< »»)USING USER-SPECIFIED PIPESIZE««< , , ' ============================================================================ DEPTH OF FLOW IN 19.0 INCH PIPE IS 4.4 INCH~S PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER dF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) -4.60 TRAVEL TIME(MIN.) = .09 TC(MIN.) -14.69 **************************************************************************** FLOW PROCESS FROM NOD~ 33.00 TO NODE 37.00 IS CODE = 1 ----------------------------------------------------------------------------»)})DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . , =================~========================================================== CONFLUENCE VALUES USED FOR'INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 14.69 RAINFALL INTENSITY (INCH./HOUR) = 3.81 TOTAL STREAM AREA (ACRES) = 2.10 .TAL STREAI"1 RUNOFF (CFS) AT CONFLUENCE = 4.60 *****'*,***-l!,,******-)!O*************,*,*,l!,*'*,'~,***.*'*',*',*'*'~',*'-lI'*;i!"*******,*'*_*********,*'*******-lI' FLOW PROCESS FROM NODE . 34.00 TO NODE 35.0Q IS CODE = f ----------------------------------------~-------------------~-~-------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::=::;::::-.:======:=====:::::::::::::======:::::::r.:=======:::::::::-.::::=:::::==:-.::::::::::=:::::::::::=== =::-.::;::::::::=.===:::::::::::::::::::=:==:::::::::!!:;::===::::::::::::=== SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 376.00 DOWNSTREAI'1 ELEVAT I ON = 374.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) -.61 TOTAL AREACACRES) = .20 TOTAL RUNOFFCCFS) = } I I .r . r- .6i f' ! i I , , ***********************~*************************************-************** FLOW PROCESS FROM NODE 35.00 To NODE 36.00 IS CODE ~ ! 6 -. ,~ -~ ----------------------------------------------------------~--~--------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==,,::==========:::"==:::::::=====:::=::::::::=:::::====;~"::::::=::::;:::::::::::::::::====::::::::=:::::::::=======::::;,6======:::::========:::: 8='STREAM ELEVATION = 374. 00 Dm~NSTRE{~t1 ELEVATION:::: 372.00 ~REET LENGTH(FEET)::: 500.00. CURB HEIGTH(INCHES) = 6: , STREET HALFWIDTHCFEET) = 28.00 ~ STREET CROSSFALL(DECIMAC)i= .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF::: 2 f r- **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) - STREET FLOWDEPTH(FEET)::: .30 :i~~.~~:, . ",,;" '.:<~~,::", . }(f,'. ': ." ~. AVERAGE FLOW VELOCITY(FEET/SEC.) = 1.35 PRODUCT OF DEPTH&VELOCITY == .40 STREETFLOW TRAVELTIME(MIN) = 6.18 TC(MIN) = 14.48 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.849 SOIL CL.ASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 SUBAREA AREA(ACRES) = 1.60 SUBAREA RUNOFF(CFS) -3.39 SUMM~D AREACACRES) == 1.80 TOTAL RUNOFFCCFS) == 3.99 -ND OF SUBARF.::r-~ STREET FLOW HYDR(.\UL I CS: ~EPTH(FEET) == .35 HALFSTREET FLOOOWIDTHCFEET) == 11.02 FLOW VELOCITY(FEET/SEC.) = 1.50 DEPTH*VELOC1TY -.52 *******************************;*'*~~'*'*';*'*'***-JE-*****-JE-**********************'oj('oj('***-JE­FLOW PROCESS FROM NODE 36.00 TO NODE 37.~0 IS CODE ~ 4 -~---------------------------------------------~-------------------------~--»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »> »USING USEF~--SPECIFI ED PI PE~3 I ZE:'.«< < < ===============~=====================================~========~================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.7 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = ;013 GIVEN P I PI:!: D I ("~I'1ETER ( INCH) = 18. 00 NUI'mER: OF P I PES·-1 PIPEFLOW THRU SUBAREA (CFS) -3.99 TRAVEL TIMECMIN.) = .06 TC(MIN.) = 14.53 **************************************************************************** FLOW PROCESS FROM NODE 36.00 TO NODE ~7.00 IS CODE'= .1 -.. ---.-----.. ------.. --.. "----.--.--------.. --------~ ..... -.----.. ----.. --.. ----..... --,~.~-------------..... -- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< .~~~~~~~==~~~~~~=~~~!~~===~~~~~~:~::~==~::~:=:~~~~::::::======~======:======~:: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE] TIME OF CONCENTRATION(MINUTES) = 14.53 F:::AINFALL INTENSITY (INCH. /HOUR) = 3.84 TOTAL STREAI'1 (.:\REA (ACRES):::. 1 .8-0 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 3.99 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER . (CFS) . . (MIN.)' (II\tCH/HOUR) --------------------------------------------------------~--------~---------~ --. - 1 4.60 2 3.99 14.6'] 14.53 3 .. 812 3 .. 839 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS,FOLLOWS= B.57 B.5'? COMPUTE~ CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 8.57 TIMECMINUTES) -14.695 TOTAL AREACACRES) = 3.90 J J I i' 2 STREAt.1S I' , t -, J ,.I J ., **********************************************************~***************** ,FLOW PROCESS FROM NODE 37.0~ TO NODE 200.00 IS CODE/= 4 •... ~;;;;~~~;;.~~~-.-~:~;.~;~~~-.. ~~;~~~~:~~;~-~~~~~~~~~;~~~~~~~~~-.--.---:----------------- " '. " " " . -"I \ -. • .. ~ ...., .. ,',',' ... ' :. .; . ~;;;;USING USER-SPECIFIED PIPE~ILE~~'~~ _ 1 =:======================:::::::::::==::::=::::-.:========::::::::::::==============:::==.==:::::::::. .. .::::::::::::::::=======:::: DEPTH OF F'IPEFLOW -'~~~)Jj' FLOW IN 24.0 INCH PIPE IS VELOCITY(FEET/SEC.) = 12.4 .:." ........ ::-... -:::' .. ): .... :.,::/(:~.: :. 6.5 INCHES ":.\1 ...... , I ',lo. .. l"l;), t ,l\ .. : ..... :.... I_ .. k.-.l ...... -1t"1 I .t. _.-j '1 ••• DOWNSTREAM NODE ELEVATION - FLOWLENGTH(FEET) = 475.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) = TRAVEL TIME(MIN.) = .64 ._1 I J.. u ....... . ~40.00 MANNINGS N = .013 24.00 NUMBER OF PIPES = 1 8.57 TC(MIN.) = 15.33 ************************************************************************~*** .~~-~~~~~~:-~~~~-~~~~------~~~~~~-~~-~~~~---:~:~~~~~--~:-,-~~~~.-:---.~, ... ,-,-.------.-.-----, . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ================================================~==========::::================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM f1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.33 RAINFALL INTENSITY (INCH./HOUR) = 3.71 TOTAL STREAM AREA (ACRES) = 3.90 ~ , TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.57 , **************************************************************************** FLOW ' PROCESS FROM NODE 38.00 TO NODE 39:00 IS CODE = 2 -----------------------------------------------~------------~---------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS~«« . -~=========================================================================== SOIL CLASSIFICATION IS "D" . SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT'= .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 357.00 DOWNSTREAM ELEVATION = 354.00 ELEVATION DIFFERENCE ~ 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 7.97~ *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTr~APOLATION OF NOMOGH{~PH USED. 100 YEAH RAINFALL INTENSITY (INCH/HOUR) :::: 5.653 e UB?iREPI RUNOFF C CFS) :::: . 62 OTAL AREACACRES) = .20 TOTAL RUNOFFCCFS) -.62 *****'*,*****-~******~**'!E'******~~*~.*****'*,'*,*'*,********-x-*****-x-**-*'****i'*'**********'*'* FLOW PROCESS FROM NODE 39.00 TO NODE 40.00 IS CODE = 6 . »»>COMPUTE STREET~LOW TRAVELTIME THRU SUBAREA««< ============================================================~=~===~===::::===::::= UPSTREAM ELEVATION = 3~4.00 DOWNSTREAM ELEVATION = STREETLENGTHCFEET) = 500.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF ~ 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.52 STREET FLOWDEPTH(FEET) = .38 HALFSTREET FLOODWIDTH(FEEt) = 12.68 AVERAGE FLOW VELOCITYCFEET/SEC.) = 2.47 PRODUCT OF DEPTH&VELOCITY = .94 STREET FLOW TRAVELTIME(MIN) = 3.38 TC(MIN) = 11.35 350.00 = ;.0200 J I J i .r , ~. I- ! f , , i r 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.502 l SOIL CLASSIFICATION IS "D"· { ! SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 6.40 SUBAREA RUNOFF(CFS) -1~.85 SUMMED AREACACRES) = 6.60 JOTAL RUNOFF(CFS) = 1~.47 _NO OF SUBARE{~ STREETFLOW HYDR{:.\UL I CS: : ~PTH(FEETt:::: .46 HALFSTREET. FLOODWIDTH(FEET) = 16.82: , FLOW VELOCITY(FEET/SEC.) = 2.7~ DEPTH*VELOCITY = 1.i91 .; 1" *********************************************************~****************** . , ';~';;~ . . . . '~. :~. I '.. . .' ,~:<:' . ; ': , '. .;}):~ • I ......... : -J I! '. \.-.. 1,.,..' I ......... 'M." f l ..... ' ~ 1 i 'I ...... ' .... 1 .. .. i ..... .. ~ .. ~~ .. ' J .... ~ l'j ~ ........ ~ 1._ • ~ ...... ' .. :" •••• ~ ••• , .:. ...... '_.' '_.' ,I,.,. '-' •• -~-------~------------------------------------------------------------------ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PfPESIZE««< =======~===================================================~================ PIPEFLOW VELOCITY(FEET/SEC.) = 9.3 UPSTREAM NODE ELEVATION = 351.00 DOWNSTREAM NODE ELEVATION = 350.00 FLOWLENGTH (FEET) = 40. 00 t'IANN I NGS 1\1 = • 013 • 0 ... I VEN P ~ PE D I AI'1ETER ( INCH):::: 18. 00 NUI'1J3ER OF P I PES .- IPEFLOW THRU SUBAREA(CFS) = 16.47 TRAVEL TIME(MIN.) = .07 TCCMIN.) = 11.42 . f 1 **************************************************************************** FLOW PROCESS FROM NODE 40.00 TO NODE 200.·00 IS CODE = 1 i ----------------------------------------------------------------------------! »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< , ====================================================~====~=====~============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I 2 ARE: TIME OF CONCENTRATION(MINUTES) = 11.42 RAINFALL INTENSITY (INCH./HOUR) = 4.48 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 116.47 **************************************************************************** FLOW PROCESS FROM NODE /.1·1 • 00 TO NODE 42. 00 I S CODE = .2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========================================================~================= SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 _. UPSTREAM ELEVATION = 365.00 • DONNSTREAM ELEVATION = 363.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 8.299 100 YEAR RAINFALL INTENSITY (INCHIHOUH) :::: :.5.511 SUBAREA RUNOFF(CFS) = .61 TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) - **************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 ---------------------------------------------~--~---------------------------»»>COMPUTE STREETFLOW THAVELTIME THRU SUBAHEA««< r . I ===::::=========::::::::===============================================::::========::::=::::== UPSTREAM ELEVATION:::: 363.06 DOWNSTREAM ELEVATION = 343.00 STREET LENGTH (FEET) = 600.00 CURB HEIGTH(INCHES) = 6. }. STREET HALFWIDTH(FEET) = 28.00' STR~ET CROSSFALL(DECIMAL) =i·~0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING:RUNOFF = 2 t **TRAVELTIME COMPUTED USING MEAN FLOW(CFS):::: 2.36 , STREET FLOWDE:PTH (FEET)· .. = .2:;:; i HALFSTREET FLOODWIDTH(FEET) =. 5.23 AVERAGE FLOW VELOCITY(FEET/SEC.) :::: .70 3.01 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 3.32 TC (I'1IN) :::: ,. 100 YEAR RAINFALL INTENSITY (It-.tCH/HOUFO :::: 4.436 11.62 • OIL CLASSIFICATION IS liD" INGLE FAM I L Y DEVELOPI"IENT RUNOFF COEFF I C lENT = .5500 SUBAREA AREA (ACRES):::: 1 • .(+0 .~ SUBAREA RUNOFF (CFS) = SUMMED AREA(ACHES) ::::. 1.60 TOTAL RUNOFF (CFS) = END OF SUBAREA STREETFLOW·HYDRAULICS: . o· i f f : :·,1 4'" . __ '1. k 4. i)2 DEPTH (FEET).:::: . 2l;! ,. . H~LF.Sl".RE,J:::T FLClODl-l/ I DTH (FE]?'T ~ 0.' 7."' 6.~88 .~ '.. '0., ':,~··:~t'· ;.,; ° :~, .. :.:'. '. ,0: .:' ,::.~.::~:.\.:. ·.{t',·:i;(: r\£.;:iJ~.:. /' ... ~;:::: .. ,'.:. ~o •• :·" .; .. \'; ·;;~;.::Iij .:.~, .. ,.:.~.;: .. ~ :-:;.:: .. ~ 0 .... 1. __ • I I • ' \' l. •• l_" ... : ....... I j,. ,. .. '~ .. **************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 200.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ====================================:::::::::===::::::::============================::::====~==== aPEPTH OF FLm~ IN 18.0 INCH PIPE IS w=: I PEFLmJ VELOC I TY (FEET / SEC.)::::: 8. 1 UPSTREAM NODE ELEVATION ~ 348.00 5.8 INCHES DOWNSTREAM NODE ELEVATION = 347.00 • FLQWLENGTHCFEET) = 30.00 MANNINGS N = .d13 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 4.02 TRAVEL TIME(MIN.) = .06 TC(MfN.) = 11.48 1 ***********************************************~**************************** FLOW PROCESS FROM NODE 43.00 TO NODE 200.00 IS CODE = 1 '. . ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLU~NCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM WALUES««< :;::===::====::::::===:::==:::::::::::::::=::=::::::::=:::::::::::::==::::::::::::::::::::::::::::::::::::::::-.::::::::.,,:::, .. ,,::::::::::::::::;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::=:::;=:::::::::::::::::::::-:::::::::==:::::::: CONFLUENCE VALUES USED FOR INDEPENDENT STRE0M 3 ARE: TIME OF CONCENTRATION(MINUTES) = 11.68 RAINFALL INTENSITY (INCH./HOUR) = 4.42 TOTAL STREAM AREA (ACRES) = 1.60 TOT~L STR~AM RUNOFF(CFS) AT CONFLUENCE = 4.02 CONFLUENCE INFORMATION: S;TREAt1 RUNOFF . T I !VIE I NTENS I TV NUMBER (CFS) (MIN.) (INCH/HOUR) -~--------------------------------------------------------------------------• 1 8.57 15.33 :3. '7()9 ~I 16.47 11.42 4.484 ..::' ~3 4~02 11.68 4.421 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREArS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 27.5:-;:! 27.45 COMPUTEP CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 27.52 TIME(MINUTES) -11.424 TOTAL AREACACRES) = 12.10 r . , **************************************************************~************* FLOW, PROCESS FRbl~1 NODE 200. 00 TO NODE 44·. 00 I S CODE = i 4 . i .. ------H_ ---.-----.-.. -..... ____ .. ________ .. ___ ........ ___ -.. _ .. _..-....... _ .. ___ .... __ . ___ " ..... _. _____ ---1"'---.-.. -00----.. ___ .. __ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< : i ~. i· , ======================~============================~======================== DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = lB.O UPSTREAM NODE ELEVATION = 348.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = BO.OO MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - ,PIPEFLOW THRU SUBA~EA(CFS) = 27.52 j ,-RAVEL TIME «'·1IN.) ~ .07 ':C (I"IIN.) = 11.50 1 \ . 1 1 r I } : ***"******'-l('***********-*'************'******-****'*"l!.****-lI'**-lI,**,*,*'.**!**-lI'********-lI'.J('*** FLOW PROCESS FROM NODE 200.00 TO NODE 44.00 IS CODE ~ 1 -._--... ---.-.--.----.---.-... ---------.----.--... -.. ---... -..... -.. -.. ----.--.-.--..... ---...... --. .,..-...... --.-.---.------..... ---~.i.'~~: . . ;\: ," f.J,+~·" t~~=~:~~~ '. ',I, . 'l~'" • , •••• ·:~t.:,.:',: .•. '.·,::.· -, :-r{: .. }~: . ,:·\'4t:: 11.;:'.~ . ::-- ........ ". ~ .. ", ..... . ... . .......... ~ .. ".... .. ........... ,.. .. .................. , ....... " .. "", .. , ................................... -_ ......... " ............................ _... .... _ ............ _ ... _ ....... . CONFLUEt~CE V(..)LUES USED FOR I I'~Q.EPENDENT STREI;11 1 I~RE: TIME OF CONCENTRATION(MINUTES) = 12.92 RAINFALL INTENSIty (INCH./HOUR) = 4.14 TOTAL STREAM AREA (ACRES) = 26.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 61.20 JIt,***************************'**'*'*'*"*****'**'*****'**'********'***************,*'*'** ,-LOW PROCESS FROI'l NODE 45. 00 TO NODE 46. 00 I S CODE::: 2 . ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==;~7:=~:~;;7;7~~~7;~=7~=~;~===================1~=========================== SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = ' 347.00 : DOWNSTREAM ELEVATION = 345.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 100.YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.~11 SUBAREA RUNOFF(CFS) = .61 ' TOHiL '?~REA (ACRES) = • 20 TOTAL RUNOFF~' CFS) = '. 61 .. *************************************************************~************** FLOW PROCESS FROM NODE 46.00 TO NODE 47.00 IS CODE = ·6' --------------------------------------------------------------~-------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===================~=====~================================================== UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = '333.00 STREET LENGTH (FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 ~TREET CROSSFALL(DECIMAL) =' .0200 SPECIFIED NUMBER OF HAL~STREETS CARRYING RUNOFF = 1 . • ~~*~~~~;ELTII1E _ ~OMF'U'~ED U~ING 1'1~AN FL9W (CFS) -7.79. ~TREET FLOWDEFTH(FEET) -.4u HALFSTREET FLOODWIDTH(FE~T) = ·13.80 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.85 PRODUCT OF DEPTI-U\t.\.,.'ELOC I TV::::: 1 . 5~) STREET FLOW TRAVELTIME(MIN) = 2.60 TC(MIN) =. 10.90 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.623 f,-jOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::: .5500 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) ~ 14.24 SUMMED AREA(ACRES) = 5.80 TOTAL RUNOFFCCFS) -14.84 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET)::: . 4c;, HALFSTI~EET FLOODW I DTH (FEET) _. 18.02 FLOW VELOCITY(FEET/SEC~) = 4.41 DEPTH*VELOCITY::: , J I I ! ~. ********,******,*********-l(.*********,****,*****;.~_!(.,*',~··******·*·*,******oj(··lf*·*'**'*'*'***·***** FLOW PROCESS FROM NODE 47.00 TO NODE 201.00 IS CODE ::: ~ 4 , -------------------------------------------------------------T-------------- DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.)::: 16.1 AJPSTREAI'1 NODE ELEVAT I ON:::: :~; 1 C? 00 9.3 INCHES ~OWNSTREAM NODE ELEVATION::: 314.00 FLOWLENGTH(FEET)::: 24.00 MANNINGS N = .013 GIVEN PIPE DIAtT1ETER (INCH)::::: 18.00 NUMBEH OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 14.84 TRAVEL TIMECMIN.) = .02 TC(MIN.) -10.92 ! j i ., . " ********************************~******************************************* FLOW PROCESS FROM NODE 47. qo TO NoN::: 201.00 IS CODE :::: 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: aIME OF CONCENTF~ATION (MINUTES) .. :::: 10. 9~:~ ~INFALL INTENSITY (INCH./HOUR):::: 4.62 TOTAL STREAM AREA (ACRES):::: 5.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 14.84 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CF!:)) <t1IN.) (INCH/I--IOUFO . , ---------------------------------------------------------------------------- 1 2 61.20 14.B4 12.92 10.92 4.142 4.616 I RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 74.52 69.76 ; COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:! RUNOFF (CFS) = 74.52 TIME(MINUTES) -~2.919 TOTAL AREA(ACRES) -32.00 ************************************************************************~*** FLOW PROCESS FROM NODE 201.00 TO NODE 48.00 IS CODE ~ . 4. . ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< , . ==::::::::::::::::::::======::::::::::::::::::::==::::::::::::=::::::::::::::::::::::::=::::::::::::::::===::::~::::::::==::::::::::::::::=::::::::::::::::::::::::::::::::::::::::::::::::::::==::::::::::::::::::::::::::::::::=::::=:::: eEPTH OF FLOW IN 36. 0 INCH PIPE IS 20. r:; I.NCHES 'IPEFLOW VELOCITY(FEET/SEC.) = 17.5 UPSTREAM NODE ELEVATION = 316.00 DOWNSTREAM NODE ELEVATION -307.00 FLOWLENGTH(FEET) = 250.00 MANNINGS N =" .013 GIVEN PIPE DIAMETER(INC~U = 36.00 NUMBER OF PIPES:::: ·1 PIPEFLOW THRU SUBAREA(CFS):::: 74.52 TRAVEL TIME(MIN.) = .24 TC(MIN.) -13.16 **************************************************************************** FLOW PROCESS FROM NODE 201.00 TO NODE 48.00 IS CODE = ,1 . . ---.-.---.. -..... --.-.. --....... _____ ... _ .. _ .. _ .. _ ..... _ .......... _ .. ____ .... ~ .. _ .. -_-__ .. -.. _ .. _ ............... -... _-_.o-_-_-.,...;. .. -__ .. ____ .. _-.. -_______ . ___ . __ .. _ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< i i j =::::===::::::::==::::==::::=::::========::::::::=====::::=::::=~====================::::=::::===::::t====::::=~::::===== CONFLUENC5 VALUES USED FOR INDEPENDENT STREAM 1 ARE: ( TIME OF CONCENTRATION(MINUTES) ~ 13.16 J. RAINFALL INTENSITY (INCH./HOUR) = 4.09: r TOTAL STREAM AREA (ACRES) = 32.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 74.52 I I I ***,*'****'*'****,*,,*,*************·*-)t'*********~k*'***"*'*~******'l!"l!'****'*'*'*'**'*'****'*'******'*' FLOW PROCESS FROM NODE 202.00 TO NODE 49.00 IS CODE ~? 2 ----------------------------------------------------------------------------.~~~~~~!!~~~;~:~~!~~~=!~!!!~;=~~~~~~~=:~!~~;~~!:~~~~~~==:==:==~}::::===::::========::::=~:::: SOIL CLASSIFICATION IS "0" . : ~nNGLE FAt'IILY DEVELOPt1ENT RUNDF"F COEFFICIENT :::: .5500 0, 1.- INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 343.00 URBAN SUBAREA OVERLANQ TIME OF FLOW(MINUTES) --8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RWNOFF(CPS). = .... ~1 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFSJ -.61 **************************************************************************** ~~~~-~~~~=~~-.:~~~-~~~:---.. -~~~~~~-~~-~~~:----~~~~~-~:-:~~:-:---~-------.-.:.---~»»COMPUTESTREETFLOW TRAVELTIME THRU SUBAREA««< ========================================================================~=== UPSTREAM ELEVATION = 341.00 DOWNSTREAM EL~VATION = 306.0q STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) = SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 1 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) = 4.03 STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOODWIDTHCFEET) = 9.59 AVERAGE FLOW VELOCITY(FEET/SEC.) -, 3.89 PRODUCT OF DEPTH&VELOCITY = 1.24 STREETFLOW TRAVELTIME(MIN) = 4.29 TC(MIN):= 12.59 I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.~12 SOIL CLASSIFICATION IS "D" : SINGLE FAMILY DEVELOPMENT ~UNOFF COEFFICIENT.= .5500 SUBAREA AREA(ACRES) = 2.90 SUBAREA RUNOFF (CFS) = 6.72: SUMMED AREA(ACR~S) = 3.10 TOTAL RUNOFF(CFS) = 7.32 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) ~ 12.40 : FLOW ~ELOCITY(FEET/SEC.) = 4.42 DEPTH*VELOCITY = 1.6~ .0200 **********************************************************~***~***~********* .~~~-~~~::~~-:~~~.-.~~~:-----.. ~~~~~~~=~-~~-~~~~~.-.-.. -.~~~~~~-:~-~~~:-.:--~~--,,~------------- »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================~=======================~======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.3 UPSTREAM NODE ELEVATION = 306.00 DOWNSTREAM NODE ELEVATION = 304.00 FLOWLENGTH(FEET) = 24.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) = 7.32 TRAVEL TIME(MIN.) = .03 TC(MIN.) = 12.62 , J J ! I I **************************************************************************** FLOW PROCESS FROM NODE 50. 00' TO NODE 48. ()() I S CODE:::: ~.l. ..... ---.---.. --.---.---...... --.. -.. -.. --...... -.. ----"""!"-.. -.......... -.. -.. · .. -...... ·· ........ · .... · ....... : .... ·,· .. · .. ----·~-.. -.. --------.. ---r-· ..... -.-.. -.. -------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< f 1 =~===========================================================~========~===== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: I l TIME OF CONCENTRATIONCMINUTES) = 12.62 • RAINFALL INTENSITY (INCH./HOUR) = 4.21 TOTAL STREAM AREA (ACRES) = 3.10 _OTAL STREAM RUNOFF (CFS) AT CO~J.FLUENCE -.. 7.32 CONFLUENCE INFORMATION:. 1 STREAM RUNOFF TIME INTENSITY NUI'1BER . (C;:FS) . . (1'11 N. ). (I NCH/HOUR) ___ ... ______ • __________ .. ______ • ___ . _____ ........... ____ ....... __ .• __ ._._ .. _ ....... _____ . __ o:.-_,~;,...-..!..---.. -----..... -.--__ _ '.-. ••• I: 1.·1.1.:' ......... !., GIVEN PIPE DIAMETER(INCH) ::: 1~.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) = 1. 17 TRAVEL TU1E(MIN.) = .44 TC(MIN.) = 12.44 **************************************************************************** . FLOW PROCESS FROM NODE 125.00 TO NODE 126.00 IS CODE = 8 ------------------------------------------------------------~---------------.~~~~~~~!~!~~=~:=~~~~::~=~~=~~!~~!~:=::~~=:~~~;::~:::=====::::=======:::========== 100 YEAR'RAINFALL INTENSITY (INCH/HOUR) ::: 4.244 SOIL CLASSIFICATION IS IIDII , RURAL DEVELOPMENT RUNOFF COEFFICIENT::::: .4500 ! SUBAREA AREA(ACRES) -1.20 SUBAREA RUNOFF(CFS) -2.29 TOTAL AREA (ACRES) -1.80 TOTAL RUNOFF (CFS) = 3.46 TC(MIN) = 12.44 ***********************************************~**************************** FLOW PROCESS FROM NODE 126.00 TO NODE 127.DO IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :::::===============:=============:==================:j======::::============:::.,========= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 12.44 F:::AINFALL INTENSITY (INCH. II-mum = LI·.24 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.46 CONFLUENCE INFDRMATION: STREAr'l RUNOFF . T I t1E I NTENS I TY NUMBE~ (CFS) (MIN.) (INCH/HOUR) .-~--~----~~~'~~;-.----~;~;~-------~~~;;~-.-.~ .. --.-.---.-.---.----~----.-'--:-.. ------------- 2 3.46 12.44 4.244 . RAINFALL-INTENSITY-RATIO CONFLUENCE FORMUL~ USED FOR 2 STREAMS VAF< I OUS CONFLUENCED F~UNClFF VPILUES AF<E ?iEl FOLLm~s: 84.97 81. 83 COMPUTED CONFLUENCE t::ST I t'IATES ARE AS FOLLm~s: ~~U~~OFF (~FS) \ ~" ". ~ C8C::9D~ T ~ t:1E (1"11 NUTEB) = 13. 25B fOTAL AREACACf·<ES) = e-)Ji;t0t:::Jr' ~72?~~ ORA//"t/ tff rl .:5r,fli?ce~ .G"eE .:£5#/.#$-;7" ~r /UP. ~L/I/I/ **************************************************************************** FLOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE =' 15 . I. --------------------------------------------------------------~-------~-----»»>COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< } , »»>TRAVELTIME THRU SUBAREA««< i- =::::=::::::::::::::::::::=::::===============::::======::::=::::::::========::::::::::::=::::=::::===============~===========~=~= UPSTREAM NODE ELEVATION = 260.00 . DOWNSTREAM NODE ELEVATION == 125.00 1 J CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 I r CHANNEL BASE (FEET):::: 3. 00 II Z II F ?1CTDF~::::: 2. 000 ,,.I MANNINGS FACTClR = .035 MAXIMUM DEPTHCFEET):::: 10.00 CHANNEL FLClW THRU SUBAREA(CFS):::: 84.97 FLOW VELOCITY(FEET/SEC):::: 10.19 FLOW DEPTH (FEET) - .RAVEL Tlt"IE 01IN.):::: 3.27 TC'((""IIN.) -16. ~::i3 1;. 4~$ i , t • *********************************~************************i*i*************** FLOW PROCESS FROM NODE 204~00'TO NODE 205.00 IS tODE f ::::f ' 2 ----------------------------------------------------------------------------»»>RATIONAL METHClD INITIAL SUBAREA ANALYSIS««< :'==::===:::========::::==.====::=========:::?=.=::::::::::::::::::::;::===::':::::=;==:=::=~:::::!.-=:'::;'~~::-\-""'--:--:--.!"-;-.":--:--·~--"-.---.-::f~~~"·· ..... , ,._ • .!. ..... 'M'" L ... , .. I .... ' .... , .1., .r. '_. I" I , ,1. '~'J ~1 .I. ..... j,..; SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 444.00 DOWNSTREAM ELEVATION = 442.00 ELEVATION DIFFERENCE:::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 5.511 SUBAREA RUNOFF(CFS) :::: .61 .TAL AREA(ACRES) == .20 TOTAL HUNOFF(CFS) = .61. ************************************************f*******~******************* FLOW PROCESS FROM NODE . 205.00 TO NODE 51.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< . ~ ::::.===:::=================::::=::::===========:::::=====::-.:==:::::==='f-=================::::=:::::::====== UPSTREAM ELEVATION = 442.00 DOWNSTREAM ELEVATION == 414.00 STREET LENGTH (FEET) ::: 750.06 CURB HEIGTH(I~CHES) = 6. STREET HALFW I DTH (FEET) = 24. 00 STREET CI:::':DS!3F'Al_L (DEC r:M?~L) - . 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF::: 1 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -12.08 STREET FLOWDEPTH(FEET) = ~42 ; HA~FSTHEEr F~OODWIDTH(FEET) == 14.51! AVERAGE FLOW VELOCITY(FEET/SEC.):::: ~.43 PRODUCT OF DEPTH&VELOCITY = 2.26 STREETFLOW TRAVELTIME(MIN) = 2.30 TC(MINf::: 10.60 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 4.766 !:"30IL CLASSIFICATION IS IID" SINGLE FAI'1ILY DEVELOPMENT RUNOFF COEFFICIENT:::: . 5~:500 SUBAREA AF~EA ({~CRES) = 8. 80 SUBAREA RUNOFF (CFS) = 22. 78 SUMMED AREA( ACRES) ==' 9. 00 TOTAL HUNOFF (CFS) == 2~. 38 END OF SUBAREA STREETFLOW HYDRAULICS: • PTH (FEET):::: • 50 HALFSTREET FLoom~ I DTH (FEET) = 18. T::' OW VELOCITY(FEET/SEC.) = 6.45 DEPTH*VELOCITY = 3.23 **************************************************************************** FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS CODE = ~ ---------------.... ---------""!'-..... -----------~-.. ---.. ------.. ---.. ---.. ----.. -.. --.------.. -.. ---~---- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===================================~========================================= DEPTH OF FLOW IN 18.0 INCH PIPE IS 14·. 5 INCHE~3 PIPEFLOW VELOCITY(FEET/SEC.) = 15.3 UPSTREAM NODE ELEVATION = 400.00 DOWNSTREAM NODE ELEVATION = 364.00 FLQWLENGTH(FEET) == 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) - . 23.38 TRAVEL TIt1E<t1IN.) = .65 TC(MIN.) ==: 11.25 1 ; J ) i 1 i f , .~. /" i f , , **************************************************************~************* FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS CODE = r 1 { ! ----------------------------------------------------------------------------: .~ »»>DESIGNATE INDEPENDENT STREAM ~OR CONFLUENCE««< =============================::::================================================== «' NFLLJENCE VALUES USED FOR I NDEF;'ENDENT STREAI"I ME OF CONCENTRATION(MINUTES) = 11.25 ,AINFALL INTENSITY ( INCH./HOUR) 1= 4.53 TOTAL STREAM AREA (ACRES) = 9.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - .. . , .j :; , ,t',' '.~ . , '~, .... ********************************~******************************************* FLOW PROCESS FROM NODE 52.00 TO NODE 53.00 IS CODE = 2 --------------------~-------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =====================================================~====================== SOIL CLASSIFICATION IS IIpll SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I~ITIAL SUBAREA FLOW-LENGTH (FEET) = 100.00 • UPSTREAI'1 ELEVATION = :377.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE -2.00 URBAN SUBAREA OVERLAND TIME -OF FLOW (MINUTES) ;= 8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFFCCFS) = .61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CfS) -.61 , **************************************************************************** . , . FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE = 6 . . --------------------------------~-------------------------------------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBARSA««< . . ======~=================================~===~=========.====~==~============= UPSTREAM ELEVATION = 375.00 DOWNSlREf-\M E.LEVATION = 365. (}O STREET LENGTH (FEET) = 650.00 CURB HEIGTH~INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVEL~IME COMPUTED USING MEAN FLDW(CFS) -8.42 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.16 PRODUCT OF DEPTH&VELOCITY = 1.10 STREETFLOW TRAVELTIME(MIN) = 3.43 TC(MIN) = 11.73 • 100 YEAR RAINFALL INTENSITY (INCH/HOUFO = .4-.409 OIL CLASSIFICATION IS IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUNOFF(CFS) -15.76 SUMMED AREA (ACRES) = 6~70 TOTAL RUNOFF(CFS) = 1&.37 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.16 FLOW VELOCITY(FEET/SEC.) -3.39 DEPTH*VELOCITY -1.45 **************************************************************************** FLOW PROCESS FROM NODE 54.00 TO NODE 55.00 IS CODE = A ________ .. ___ .. ____ .. __________ .. _____ .... ________ .. ___ ... _ .. _ ........ ___ ..... _ ..... _-.;. _______ .......... ___ l .. _ .. _ ..... _________ _ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< • I i j ) ~ =====================================~========================~============= PIPEFLOW VELOCITY(FEET/SEC.) = . 9.3 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 364.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) -16.37 TRAVEL TIMECMIN.) = .09 TCCMIN.) -11.82 1 r I l 1 . .' . . i . • ****************************.********.~-.*'-~.*'*.**,,;"*.***.l\'*'*'***'l!-;'l!-'*";-*****'******'*** OW PROCESS FROM NODE 54.00 TO NODE 55.00 IS CODE ~ 1 ..... --...... --.. ------.... -.......... · .... ----...... --.. -------.. --·-1 .. ------.. -...... --.. -..... -----..... ---------::--r---------------.. »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ;!. . »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ' : ==========~=========================================~=====~=d=====~========= f J:. :If ;0 ~ < ..... \II ~ Co ..... -00 V1 ~ "'0 "'0 m :z: o ->< >< >-( I m ~ • f?:' \~~~~; c:;ouriTY OF $J'I.H D :X~GO '.-- _ •. DEPARTMENT OF SANITATION &. , -"'FtOOD CONTROL 45' I 30 1 ~ (~"i 61 ·.,..,r,,~w~_'1 --~ ~, , ....... ._-,.~."",,-,., '" ,,' . ('.~'~ . " ,. --if SAN c' I v. nIT < '!&J '-,\/£~/.;"><><>< ",IC-::O<'~>"< ' .. \ 1 '< ~<"<'>< -1 .: ><'< '. >t C"., -'';3. ~-.:-: •• o,r. •• I 15' : t" 33· ! . , 45 ' I . ~ < ( r "'MV~ (I • -. r ' __ I \:0 .. "i, GO ' 7~ :K"'i' , Pre,.,:tI "" U.S, DEPARTMENlr OF CO~WERCE NATIONAL. OCEANIC AND AT'f0SPII£IUC ADIo!INISTRATtON SPECIAL. STUDIES BRANCH, OrFICE OF UtIJROL.OCY. NATIONAL. ".£ATHER SERVICE 30'-1" I"v --I ------[----1-----+----+ 118' 45 1 30 1 IS' 117-45 ' 30' 15' 116· . ,. --.-••• Revised 1/85 APPI ~.I-~ .' ., ... ,,"\ ~;'; ,," ...... , .~ ;::. ", ;-:~ -1.:-, " C' !NTENSITY-~UM;(' DESIGN CHART r <:- ~ ':.tl:trXlttllti. ,1-4 ~'1 Ijj-t1-liittl tl1tt tt ~ 1 0 ... J I II ttlllltlll±J mltll 1111 I IIllllm 1111 J-t-+-4-+-4-~..j..~I-I-~I4+~.J+l~ 15 20 30 40 50' 1 Minut. Duration ifl'." "~ " • ,L1, L' I I I I I I I I I I I I II -H+~ L 2 3 4 5 Hours 6 • Directions for Application: .1) From precipitation maps detennine 6'hr. and 24 hr. amounts for the selected frequency. These maps are'printed in the County Hydrology Manual (10, ,50 And 100 yr. maps included in the Design and Procedure Manual). 2r-Adjust 6 hr';-'precipi:.ta.tiooJ5f necessary) so' that it is \'/ithin the range 01"'45% to 65% ,pt,. the 24 hr. precipitation. (Not'nrrli-cab1.e; to Desert) .-,.. APPENDIX XI IV-A-14 Revised 1/85 '. ; ..;~ ~ .. ' .::-:~- t::,:; ~, ~. t t~~: " ,~:~;. 'f~;;; =============================================~============================== RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE: ,'Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1~85,1981 HYDROLOGY MANUAL ===================================================================~======== .«««««««««««««««««»»»»»»»»»>»»»»»»»»»> (C) Copyright 1982,1986 Advanced Engine~ring Software (A~SJ j Especially prepared for: HUNSAKER & ASSOCIATES f «««««««««««««««««««»»)$»»~»»)»»»»»»»»»»» **********DESCRIPTION * CARLSBAD HIGHLANDS * w.O. 270-40-682 * 3/28/88 OF RESULTS****************,**************************** IOO-YEAR HYDROLOGY STUDY * I * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * * *:* * * * * * * * * * * * * * *,* * * * * * *"* * * * * * * USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ---..;..------_ ....... _--_ .. _-----------...;. .. __ .. _._ .. __ ..... _-_ .. _--_ .. _ ..... __ .. _---_._..: .. _--------_ .... _---_ ........... _---,_ .. 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STOAM EVENT (YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) ,= 2.900 .'ECIFIED NININUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS (DECIMAL) TO USE FOR FRICTION SLOPE -.85 «««««««««««««««««««»»»5»»»»>»»»»»»»»»»» Advanced Engineering Software [AESJ SERIAL No. 107301 VER. 3.4A RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» , ! I i , , -)(,*****"*.*"*.-l(.**.**-l(."*.**************-j(.***.~}{.*.-l(.-j(.*******.j('-l(.-j('*'******-l(,-j(.oJi!.***.*-j(\*******:1(.-j(.-j('-l('** FLOW PROCESS FROM NODE 1.0.o.TO NODE 2.00 IS CODE =:= [2 ! ~. ----------------------------------------------------------------------------,. »»>RATIONAL NETHOD INITIAL SUBAREA ANALYSIS««< ==============================================================~====~======== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL ,SUBAREA, FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 340.00 ELEVATION DIFFERENCE = 2~00 , URBAN SUBAREA OVERLAND TINE OF FLOW(MINUTES) = •00 YEr:'~R RAINFALL. INTENSITY (INCH/HOUR) = 5 .. 511 oUBAREA RUNOFF(CFS) = .61 I TOTAL AREA (ACRES) = .20 ~TOTAL RUNOFF(CFS) - , i 8 ~'99:' • ..:.. i I ( ; l , " -- w (/) <C :I: a. ~ ~Luw ~kULLb~ ~KWM NUu~ :~" (H) 1 b CODL ::!:: ------------------~-------------~-----------------------------------------~-»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============~==================================:=====~================~====== UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 STREET LENGTH (FEET) = 430.00 CURB HEIGTH(INCHES) = 6. STR~ET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 • **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = STREET FLOWDEPTH(FEET) = .30 HALF STREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.10 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 2.31 j TC (MIN> == 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.7p3 SOIL CLASSIFICATION IS "D" 10.61 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ~ .5500 5.25 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOF~(CFS) = 9.31 SUMMED AREA (ACRES) = 3.80 TOTAL RUNOFF(CFS) = 9.9~ END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FE~T) = 11.02 FLOW VELOCITYCFEET/SEC.) = 3.72 DEPTH*VELOtITY -1.29 I .0200 **************************************************************************** FLOW PROCESS FR.oM NODE 4.00 TO NODE 5.00 IS CODE = 2 .. _________ .. ___ .. ____ .. _ .. ___________ .. _ .... ______ .. ___ .. _..;._ .... ______ .. __ .. __ • ___ .... _________ ... _ .. _ ..... _______ -o;~- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============~============================================================ SOIL CLASSIFICATION IS tiD" RURAL DEV~LOPMENT RU~OFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WItH 10-MINUTES ADDED = 10.77(MINUTES) • I NIT I AL SUB?"~I::;;EA FLOW-LENGTH C FEET)·-200. 00 UPSTREAM ELEVATION = 485.00 DOWNSTREAM ELEVATION = 432.00 ELEVATION DIFFERENCE = 53.00 100 YEAR RA.INFALL INTENSITY (INCH/HOUR) = • 4. 65t3 SUBm\EA RUNOFF (CFS) :::: .42 I TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) = .42 **************************************************************************** FLOW PROCESS FROM NODE 5.60 TO NODE 6.00 IS CODE = 6 --------------------------------------------------------------~-----~-------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< , 1 ================================::::======================::::======~============= UPSTREAM ELEVATION = 432.00 DOWNSTREAM ELEVATION = I .... "'1(. ( •• . ::.. r J. JU STREET LENGTHCFEET). = 950.0Q CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) r , =~. ()?on ,. • .. .s-.. SPECIFIED NUMBER OF HALFSTREETS CARRYING: RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) = STREET FLOWDEPTHCFEET) = .32 HALFSTREET FLOODWIDTH(FEET) = 9.59 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.46 PRODUCT OF DEPTH&VELOCITY = 1.74 STREETFLOW TRAVELTIME(MIN) = 2.90 TC(MIN) = 13.67 r 100 YEAR RAINFALL INTENSITY(I~CH/HOUR) = 3.994 .OIL CU'SS·IFICATION IS "0" ~INGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 . SUBAREA AREA(ACRES) = 4.80! SUBAREA RUNOFFCCFS) = SUMMED AREA(ACRES) = 5.00 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: i 5.66 ! / .. , I J\: ! ; . DEPTH (FEET) --'.37 I·-IALFSTREET FLODDW I lJTH (FEE;;T! = 12 ~ 40 -! --~ J~I :""j;~. _ ,I' ~ ': '::~A,' I' . .~: ~:'t~ ..... ?~ . • ~ ~~ , -- **************************************************************************** FLOW PROCESS FROM NODE "6.00 TO NODE 9.00 IS CODE = 3 ---------------------------------------------------~------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< :::-==:r.:::::::::::::::::::::::::::=::::::::::::=::::::::::::::::::::::====:::::::::======-.:==:::::::=:::::::-.::::::::::::::::::::::!".::::::::::::;::===::=:::::::::=:::::::==:::::::::::::::::::==::::::::::::::::::::::::::::::::::::::::::::::::::::::: • STIMATED !='IPE DIAMETER (INCH) INCREASED TO 18.000' )EPTH OF FLOW IN 18.0 INCH PIPE IS 7.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 338.00 FLOWLENGTH(FEET) = 360.00 MANNINGS N -.013 ESTIMATED PIPE DIAMETER(INCH) -18.00 NUMBER OF PIPES = PIPEFLOW THRU 8UBAREA(CFS) = 10.96 ~ TRAVEL TIME(MIN.) = .39 TC(MIN.) = 14.d6 :1. **************************************************************************** FLOW PROCESS FROM NODE 6.00 TO NODE 9~00 IS CODE = 1 . , ------------------------------------------------------------~------------~--, »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =====================.======::::::::::::::::;:==:::=::::::::::::::==:::::-.::::::=:::=:p=::=====:::::::::::::::::::======:::::::::============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.06 RAINFALL INTENSITY (INCH./HOUR) = 3.92 TOTAL STREAM AREA (ACRES) = 5.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.96 ' **************************************************************************** FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE ~ '2 ----------------------------------------------------------------------------.:~~~~~~~!~~~:=::!~~~=!~!:!!~:=~~~~~:~==~~~:~~!~~:~~~~~==:========~===:===~~======: SOIL CLASSIFICATION IS "0" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT ~ .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) -325.00 UPSTREAM ELEVATION = 385.00 DOWNSTREAM ELEVATION = 364.00 ELEVATION DIFFERENCE = 21.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) - *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINItION. EXTRAPOLATION OF NOMOGRAPH USED. TIME OF CONCENTRATION ASSUMED AS 5-MINUTES 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 7.641 SUBAREA RUNOFF(CFS) -1.45 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) - ! j I J 1.4.5 j ~, I-. , **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = r 6 J -----------------------------------------------------------~-T--------------r »»)COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA««< I =========================================~=================~=~============== UPSTREAM ELEWH I ON = 364. 00 Dm~NSTRE?W1 ELEVAT I ON = ' ;'338.00 STREET LENGTH (FEET) = 400.00 CURB HEIGTH(INCHES) = 6~ ,STREET HALFWIDTH(FEET) = 28.00-STREET CROSSFALL(DECIMA~) = .0200 • PEC I F I ED NUMBER OF HALFSTREETS CARRY I NG F;:UNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8~83 STREET FLOWDEPTH(FEET) ~ ,.30 . J HA,LFSTF':EEJ FLOODW I D.TH (FEET)::::: 8. 54· ! AVERAGE FLOW VELOCITY(FEET/SEC.) -5.21 . " ~~.,~ .. " ", .', ., ~ . ~~ ' .. ~l. :1 JL~t, .. " .... - STREET FLOW TRAVELTIME(MIN) = 1. 28 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 6.597 SOIL CLASSIFICATION IS; "D" 6. ~~8 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 14.51 SUMI'1ED AREA (ACRES) = 4.20 TOTAL F~UNOFF (CFS) ::: 15_.':;7 END OF SUBAREA STREETFLOW HYDRAULICS: ~EPTH (FEET) = • 35 HALFSTF~EET FLOODW I DTH (FEET) ::::: 11. 62 ~LOW VELOCITY(FEET/SEC.) = 5.99 DEPTH*VELOCITY = 2.08 . **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 1 ------------------------------------------------------------------------~---»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUEN~~««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM I TIME OF CONCENTRATION(MINUTES) = 6.28 RAINFALL INTENSITY (INCH./HOUR) = 6.60 TOTAL STREAM AREA (ACRES) = 4.20 , 2 ARE: TOTAL, STREAM RUNOFF(CFS) AT CONFLUENCE = ;15 .. 97 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt"lBER (CFS)' (NIN.) (INCHlHOUFO -------------------------~-------------------------------------------------- 1 2 10.96 15.97 14.06 6.28 3. <:"121 6.597 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA, USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.45 22.48 e Dt"lPUTED CONFLUENCE EST I t"IATES ARE AS FOl.LOWS: 'UNOFF(CFS)::: 22.48 TIME(MINUTES)::: 6.279 TOTAL AREA (ACRES) = 9.20 ***********.**~***********************************************~************* FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE = 2 ----------------------------------------------------------------------------»»)RAiIONAL NETHOD -INITIAl. BUBAAEA ANALYSIS««< ===:::===========~==================================================:::::==::::::::::~:::::~== SDIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) ::::: 140.00 UPSTREAM ELEVATION::::: 438.00 DOWNSTREAM ELEVATION::::: 435.00 ELEVATION DIFFERENCE::::: 3.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 100 YEAR RAINFALL INTENSITY (INCH/HOUR) ::::: 4.955 9.787 , I J i ; l i . r 1 i SUBAREA RUNOFF(CFS) == .55 , TOTAL AREA(ACRES) ::::: .20 TdTAL RUNOFF(CFS) -.~5 ! . I ! ! ************************************'****************'*********.***'*"*'********** FLOW PROCESS FROM NODE 13.00 TO NODE 14.00 IS CODE ==' 6 • ..", • ., ! -~-----------------------~------~-------------------------i-----------------'»»CONPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ; .=============::.::::::=:::::===:::::====:====:;:::::::=::;:::.:==::;::;::::::::::::=:::::=::::::::::::::::::::=:::::~.::::::::=:::::=:::::::::::::::r';::::::::r~:::::::::::::::===:::::====::::::::;=.= UPSTREAt"l ELEWHION ::::: 435.00 \ DOt.<JNSTREAt"l ELEVATION::::: t, j 401.00 STREET LENGTH(FEET)::::: 1000.00' CURB HEIGTH(INCHES) = 6~ r' STREET HALFWIDTHCFEET) ::::: 28.00 STREET CROSSFALL(DECIMAL):= .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 I '_~;I, ~f-*.j(o rF~?WELT:r tvl,F ':,Cntvlt'I~TE~,_,,~IE1~ Nq7, .ME{,\I\!, F~.oll" ~ ef~'1~~ i = . 6. 39 .... l~.. -.;! ., • . . . • ,I .1<__ _., .. --< • ~ '., • ' -- w en c( ::c rl. HALFSTREET FLOODWIDTH(~EET) -8.54 AVEHAGE FU)t!J VELOC I TY (F"EET I SEC.):::: :;::. 77 PRODUCT OF DEPTHLVELOCITY :::: 1.12 STHEETFLOW TRAVELTIME(KIN) = 4.42 TCCMIN):::: 14.21 100 YEAR RAtNFALL INTENSITY(INCH/HOUR) :::: 3.896 SOIL CLASSIFICATION IS IIDII SINt~LE FAI"IIL.Y DEVELOPMENT RUNOFF COEFFICIENT' = . 5500 ~UBAREA AREA (ACRES) = 5. 40 SUBAF<EI~~l F<UNOF'F (CFS) ::::. 11 • 57 ~UMMED AREACACRES):::: 5.60 TOTAL RUNOFF(CFS) :::: 12.12 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FE~T):::: .. 35 . HALFqT.RE.~T FLOODW I DTH C FEET) :::: 11.02 FLOW VELOCITYCFEET/SEC.) = 4.54 DEPTH*VEL.OCITY = 1.58 **************************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 14~00 IS CODE:::: 1 »»>DESIGNATE INDEPENDENT STREAM FOH CONFLUENCE««< ===========::::===::::==::::::::::::::::::::========::::::::~=::::=::::=::::===::::======::::::::==::::=::::::::::::::::::::=::::::::::::===::::~=::::::::=== CONFLUENCE VALUES USED FOH INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION(MINUTES):::: 14.21 HAINFALL INTENSITY (INCH./HOUH):::: 3.90 TOTAL STREAM AREA (ACRES):::: 5.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE ~ 12.12 **************************************************************************** FLOW PROCESS FROM NODE 15.00 TO NODE 16.00 IS CODE ,:::: 2 ------------------------~---------------------------------~-----------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===========::::=========~====::::::::=======::::=::::=::::====~=::::::::===::::======~::::====::::::::=::::=======~ SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 • I NIT I AL SUBf.:)REA FLmJ-LENGTH (FEET) ... 100. 00 UPSTREAM ELEVATION = 437.00 DO~NSTREAM ELEVATION = 435.00 ELEVI-n' I ON DIFFERENCE = 2. 00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) = .61 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) = .61 ***********************************************************************~**** FLOW PROCESS FROM NODE 16.00 TO NODE 17.00 IS CODE = ; 6 . , } -------------------------------------------------------------,--------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< J ======================================================::::======~============== UPSTREAM ELEVATION = 435.00' DOWNSTREAM ELEVATION = 11.0'::> nn l·" ........... STREET lENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALLCDECIMAL) SPECIFIEn NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ,. I ! ./ **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) - STREET FLDWDEPTHCFEET) = .33 9.42; HALFSTREET FLOODWIDTHCFEET) = 10.20 AVERAGE FLOW VELOCITYCFEET/SEC.) = 4.0'7 PRODUCT OF DEPTHLVELOCITY = 1.34 , , STREETFLOW TRAVELTIME(MIN) = '4.10 TCCMIN) = 12.40 j • 100 YEAR FaUNFALL INTENSITY (I;\IGH/HOUFO ::., 4.254 SOIL CLASSIFICATION 18 IIDII .1, '. ? SINGLE FAMILY DEVELOPMENT RUNO~F COEFFICIENT:::: .5500 , . f I ! SUBAREA AREACACRES) -7.40 SUBAREA RUNOFF(CFS) - . 11~31 ...... _ ...... _--..... -.. ,.". ",' , ~ . . .. '" . ,,":, . " .. ~ ~ ,~' .. ·.l ...... .t, .0200 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = • ·40 HALFSTREET FLOOm~ I DTH (FEET) =. 13. 51 FLOW VELOCITYCFEET/SEC~) ::: 4.61 DEPTH*VELOCITY = 1.83 ***********************************~**************************************** FLOW.PROCESS FROM NODE .. 17.00 TO NODE 14.00 IS CODE::: 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .»»>USING USER-SPECIFIED PIPESIZE««< ==:::=====:::====:::=:::=======::::::=======:::====:::::::::==:::==~::::::====:::=:::=====::::::=~==::::::====::::::== DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.3 INCHf-::S PIPEFLOW VELOCITY(FEET/SEC.)::: 9.2 UPSTREAM NODE ELEVATION = 402.00 DOWNSTREAl'l NODE ELEVAT I ON = 401 • 00 FLOWLENGTH(FEET) = 60.00 MANNINGS N::: .Q13 GIVEN PIPE DIAMETER(INCH) ::: 24.00 NUMBER bF PIPES::: 1 PIPEFLOW THRU SUBAREA (CFS) -17.92 TRAVEL TIME(MIN.)::: .11 TC(MIN.)::: 12~50 **************************************************************************** FLOW PROCESS FROM NODE 17.00 TO NODE 14.00 IS CODE::: ~ 1 ----------------------------------------------r-----------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM NALUES««< =::::::=:::=:::======::::::====:::======::::::===:::==============:::============================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) ::: 12.50 RAINFALL INTENSITY (INCH./HOUR)::: 4.23 TOTA~ STREAM AREA (ACRES) ~ 7.60 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 17.92 CONFLUENCE INFORMATION: •TREAM r~UNOFF T I ME I NTENB I TV \lUMBER (CFS) (MIN.) (INCH!HOUFU ----------------------------------------------~~----------------------~-----1 12.12 2 17.92 14.21 12.50 3.896 4. 23() RAINFALL-INTENSITY-RATIO CONFLUENGE FORMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: STRE?-)MS 28.62 29.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOllOWS: RUNOFF (CFS) ::: 29.08 TIME(MINUTES) -12.504 TOTAL AREA (ACRES) = 13.20 , i I J ***0)('***********************************'***'*********o)('**********f**~-**"*:o)('*****o)('* FLOW PROCESS FROM NODE 18.00 TO NODE 19.00 IS CODE = ~,2 ------------------------------------------~------------------~----~---------»»>RATIONAL METHOD IN1TIAL SUBAREA ANALYSIS««< ~========:::===================================================*============== SOIL CLASSIFICATIOI-...i IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ~ ELEVATION DIFFERENCE = 2.00 • URBAN SUBAREA OVERLAND T I I"IE OF FLOW (M I NUTES) = 100 YEAR RAINFAll INTENSITY(1~CH/HOUR~ = 5.511 SUBAREA RUNOFF(CFS) = .6t TOTAL AREA (ACRES) = .20 . TOTAL RUNOFFCCFS) = :~l::£ ":'. i 8.29? J '1 f r I' t 1'.· 61 FLOW PROCESS FROM NODE 19.00 TO NODE 20.00 IS CODE =~ .6 ------~-----~-------------------~-------------------------~----------------- »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ========::::::::::::====::::==::::=========================~=========::::=====~=::::=====~======= UPSTREAt1 ELEVAT I ON :::: 391 • 00 DOIi4NSTRE?~M ELEVAT I ON = 378.00 STRE~T LENGTH(FEET):::: 900.00 CURB HEIGTH(INCHES) :::: 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAl) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 • **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -. STREET FLOWDEPTH(FEET):::: .28 7.71 HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) -2 ... 60 f PRODUCT OF DEPTH&VELOCITY = STREETFUJW TRAVELTIl"lE (MIN) = 5.77 TC <l'1IN) = 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 3.9£0 , SOIL CLASSIFICATION IS liD" 14·.07 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT =, .5500 3.70 SUBAREA AREA(ACRES) = 2.90 SUBAREA RUNOFR(CFS) = 6.25 f.->Ut1t"IED ARE~A (ACf~ES?) =:= ~~;. ~ q "TOt AL RUNOFF (CFS) == 6. 86 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .33 HALF STREET FLOODWIDTH(FEET) = 10.20. FLOW VELOCITY(FEET/SEC.) :::: 2.96 DEPTH*VELOtITY = .98 .0200 **************************************************************************** FLOW PROCESS FROM NODE 19.00 TO NODE 20.00 IS CODE = 1 ---------------------------------------------------~------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.07 RAINFALL INTENSITY (INCH./HOUR):::: 3.92 TOTAL STREAM AREA (ACRES) = 3.10 .err AL STREAI"1 RUNOFF (CFS)· AT CONFLUENCE ::: 6. 86 **************************************************************************** . FLOW PROCESS FROM NODE 21.00 TO NODE 22.00 IS CODE = 2 ------------------------------------------.-.-----.-------.--.-.-----5...-------.... -J .... -.--.---------- »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==:::=::::::===================================================~=========~========== SOIL CLASSIFICATION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INItIAL SUBAREA FLOW-LENGTH(FEET) = 100.00 UPSTREAM ELEVATION = 394.00 DOWNSTREAM ELEVATION = 392.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YE{-1R RAINFALL. INTENSITY (INCH/HOUF~) :::: 5.511 SUBAREA RUNOFF(CFS) = .61 i J l . I ! \. ! , J. I· TOTAL AREA(AC~ES) ::::: .20 TOTAL RUNOFF (CFS) -.61 i J . r *************************************************************~************** FLOW PROCESS FROM NODE 22.00 TO NODE 23.00 IS CODE 9 ! 6 --------------------------------------------------------------~--------------»»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< == .. =============================:::=.==c,"================:;:::===:===f'======~=======::::=:::: • r:'STREAM ELEVATION = 392.00 .. Dm~NSTREm"l ELEVATION = ; 379.00 . TREET LENGTH(FEET) = 850.00 CURB HEIGTH(INCHES) = 6~ STREET HALFWIDTH(FEET) ::: 28.00 ~ STREET CROSSFALL(DECIMA~)j= .0200 SPECIFIED NUMBER OF HAL.FSTREETS·CARRYING RUNOFF == 2 ~;. **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 2.6~ STREET FLOWDEPTH(FEET) = .26 f :r~:~~ ),~. \ ,'''. . : y' .;~~, i 7 • ~ • i·r1 ::i . ,~~ ~~:. ,(:' . " .. >·,M~-;·,:' "" " AVERAGE PLOW VELOCITY(~EET/SEC.) = 2.24 PRODUCT OF DEPTH&VELOCITY = .59 STREETFLOW TRAVELTIMECMIN) = 6.32 TC(MIN) = 14.62 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.824 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 1.90 SUBAREA RUNOFF(CFS) -4.00 SUMMED AREA (ACRES) = 2.10 TOTAL RUNOFFCCFS) = 4.60 ~D OF SUB~iREA STREET FLOW HYDr:AUL I CS: ~PTHCFEET) = .30 HALFSTREET FLOODWIDTHCFEET) = 8.54 FLOW VELOCITY(FEET/SEC.) -2.72 DEPTH*VELOCITY = .81 . ***********~***'i!'**,*:**~******~,*:*,*::**i!'*'*'l!'*-li'**'****i!'*****'*'***********'l!'~,l('-)(O**-li'*****oj(' FLOW PROCESS FROM NODE 23.00 TO NODE 20.00 IS CODE = 4 , , . ------------------------------------------------~---------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================================~=========~======================= DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 6.6 UPSTREAM NODE ELEVATION = 379.00 DOWNSTREAM NODE ELEVATION = 378.00 7 0:::" , .,:;J INCHES FLOWLENGTH(FEET) = 58.00 MANNINGS N = )013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER:OF PIPEFLOW THRU SUBAREACCFS) -4.60 TRAVEL TIME(MIN.) = .15 TC(MIN.) = 14.77 PIF'ES -1. **************************************************************************** FLOW PROCESS FROM NODE 23.00 TO NODE ;0.00 IS CODE = ,1 ----------------------------------------------------------~---~-------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< iIt~!~~~~~==~~~~::=~~:~~~~=:~~:~~:~~:~=::::~~=~~~~:~~~~~~=====~=======~=~==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.77 RAINFALL INTENSITY (INCH./HOUR) = 3.80 TOTAL'StREAM AREA (ACRES) = 2.1.0 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4.60 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER CCFS) (MIN.) (INCH/HOUR) -------_ ..... _---_._----_._-_ ..... __ .. _---_ .. __ ._._-----_ .... _ .. -.. _ ..... __ ..... _ ... __ . .--.. _ .. _ .. _-_ ........ __ . __ ..... _._.-.......... _-_ ....... -_ .. _"-. -r 1 6.86' 4.60 14.07 14.77 3 u (~2() 3.800 i' I ! t RAINFALL-INTENSITY--RATIO CONFL.UENCE FOF\:1'1ULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS,FOLLOWS: 2 STI:;:EA~1B ,~, r 11.32 11 • 2~5 i COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: I RUNOFF (CFS) = ~9 TIME (MINUTES) = 14.071 ! TOTAL AREA (ACRES) ::= 5.20 /t . " E"A/..o L7r" G,72j,e# pR/l/N @ .a / 6?,'if.c-t?~ SEE /Hr; ~LA'd 6R/. # /~ / **************************************************************************** FLOW PROCESS FROM NODE 24.0Q TO NODE 25.00 IS CODE ~ 2 .;~;;:;;~~~i~~~~--~~~~~~~-i~i~i~~--~;~;·~~~~~~--~~~~~~~~i~~~~~~--------~·-"·-·-'~-·--'--"---·-~--'-*"- ==========::====:::::::===========::======{":==========:::.'::"::=="===::::::==========r==:::::=======:::::===·,::: SOIL CLASSIFICATION IS 110 11 '1'- SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 . :~ . . i' :\ .)::·f'i~ ~::'3.' . DOWNSTREAM ELEVATION ::: 4~0.00 ELEVATION DIFFERENCE:::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: 5.511 SUBAREA RUNOFF(CFS) :::: .61 TOTAL AREA(ACRES) :::: .20 TOTAL RUNOFF(CFS) -.61 . •. ***.*****"!!"**,*'******'****o)(-**·K-**·*****o)(-*·****·******************.*.******.********.* LOW PROCESS FROM NODE 25.00 TO NODE 26.00 IS CODE:::: 6. -~-------------------------------------------------------------~------------:>:> >:> >COMPUTE STREETFLOW TR?~VEL T I t'1E THF~U SUBARE-A<: <: < <: < ::::::::::: =::::::: ::::= =::::::::::::::::::., :::.,=::::-.:::::::::::: ~':::::: :::::::::::::: ::::::::::::::::::: :::.,:::::::::::::::::-.:::::: = ".-:: =:=".::: =,:=::: ='=:::::::::::::::::::: =::::::::::::::: ===:::::::::::;: :::::= ::::==:::: =:::::::::::::::: UPSTREAM ELEVATION = 416.00 DOWNSTREAM ELEVATION::: 375.00 STREET LENGTH (FEET) ::: 900.00 ~URB HEIGTH(INCHES) :::: 6. STREET HALFWIDTH(FEET) :::: 28.00 STREET CROSS~ALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNO~F::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS):::: 12.05 STREET FLOWDEPTH(FEET):::: .33 HALFSTREET FLOODWIDTH(FEET):::: 10.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.21 PRODUCT OF DEPTH&VELOCITY :::: 1.72 STREET FLOW TRAVELTIME(MIN) = 2.88 TC(MIN)::: 11.18 100 YEAR RA I NF ?\LL INTENS I TY ( I NCH I HOUFO :::: 4 '. 547 SOIL CLASSIFICATION IS "DII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AF{EA ( ACRES). = 9. 10" SUBAF<E?) RUNOFF (CFS) = 22. 76 SUMMED AREA (ACnES):::: 9. :::::0 TOTAL RUNOFF (CFS) ._' 23,.36 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) :::: .40 HALFSTREET FLOODWIDTH(FEET) -13.51 FLOW VELOCITY(FEET/SEC.) :::: 6.01 DEPTH*VELOCiTY:::: 2.38 •**************11'******************11"**~********************11'***11·11'********** LOW PROCESS FROM NODE 26.00 TO NODE 30.00 IS CODE::: 4 ----------------------------------------------------------------------------:>:;:. >:;:. >COMPUTE PI PEFLOW TF<AVELT I I"1E n-IF{U SLJB('\HEA< -::: < <.::: »:»>USING USER-SPECIFIED PIPESIZE««< ' = = =:::::::::::::::: =:::: =::: =:::::::: =::: = =::::: = = = =::;:: =.= :~-:: =::: :::::::::::::'.: =:::::-.: =::.-:: :::: ~'":::: =::::::::::: ~'":::::::: =::::::::'.:::::::::"':::::::::::::: = =::: J~ = =::::::::;:::::::: ::::::: =::: = =:::: DEPTH OF FLOW IN 24.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 19.2 UPSTREAM NODE ELEVATION::: 375.00 DOWNSTREAM NODE ELEVATION = 368.00 9.9 INCHES FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -23.36 TRAVEL TIME(MIN.) = .06 TC(I"1IN.) -11.24 ! I j i f , k· **************************************************************************** FLOW ,PROCESS FROM NODE 26.00 TO NODE 30.00 IS CODE = I 1 ,r ---------------------------------------------------~---------~--------------, »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< r , r ===================::::======::::===========================:::===?~=~==~::::::::=======:::= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: f I TIME OF CONCENTRATION (MINUTES) :::: 11.24 RAINFALL INTENSITY (INCH./HOUR) = 4.53 1 ,TOTAL STnEAM AREA (ACRES) = '9.30 .! .OTAL STREAI'1 FdJNOFF (CFS) AT CO~FL!JENCE = 23.36 ,i\ • i ,*·**********,*,,*,****,*·***;**********11"**')('**'**'***'****-*'1I.*****1I,**-*,***L****;****1I'******* FLOW PROCESS FROM NODE 27.00 TO NODE 28.00 IS COOS =: 2 -----------------------------------------------~~--------7------------------ >(} : _to ,I ''t' ~'{' , ,),;.'\,!.\.~,J~~" ''', ' . ,('; " J ~:/ i; "" I ".', ,': {';: • I ' -: '.,{.' ,'" I J..I II ......... 1 1 •••• I_.i··~ .... ·I .... I·1 t i\I"j ~ .t.LJi\j ;'1·i.LI"II-J1 C:.Oi .. ~. .L J." i::i .. :.:: HAINFALL INTEl\ISITY (INCI---I./I-IOUr:;: .. ):::: 4.39 TOTAL STREAM AREA (ACRES):::: 6.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -16.3'7 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY Nut'mER (CFS) (M IN.) ( I NCH I HOUFn .• ---_.--_. ---'-'----.,. -.,. --------_ .. _--_ ......... --.-. -"''''-''-.... ---.-... -...... -._ .... -.......... _.---.-.. _._ .. -' ... -_. --..... ----_ .. ,-... ",.-."--' .......... _ ...... -'-"'" ".,.--.,.. -_ ... - 1 . .23.38 1.1.25 4. 5L~E~ 2 16.37 11.82 4.387 RAINFALL-1NTEt--tSITY-RATIO CONFLUENCE F'Om"IUU~ LlS~~D FOF< 2 STREAt-IS VARIOUS CONFLUENCED HUNOFF VALUES ARE AS ~OLLO~S: 39.24 ~'::'9. <)2 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: I RUNOFF (CFS) :::: 39.24 TIME(MINUTES) -11~253 TOTAL AREA (ACRES) :::: .15.70 ***********************************************t**************************** FLOW PROCESS FROM NODE. 55.00 TO NODE 133~00 IS CODE =. 4 -----------------------------------------------~--------------~-------------Ii »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< • ==::::================::::====::::==::::===~::::==================================::::======::::=. " DEPTH OF FLOW IN 36.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCIYY(FEET/SEC.) :::: 20.9 UPSTREAM NODE ELEVATION:::: . '365.00· DOWNSn:::EAt'l NODE ELEVATION:::: 333.00 FLOWLENGTH(FEET):::: 350.00 MANNINGS N -.013 GIVEN PIPE DIAMETER~INCH) .~ . 36.00 . NUMbER OF PIPES - PIPEFLOW THRU SUBARE~(CFS) -39.24 .RAVEL l' !t'IE (t.'1I N.):::: ..28 TC (t'l IN.) =: 11. ~i3 1 **************************************************************************** FLOW PROCESS FROM NODE 55.00 TO NODE 133.00 IS CODE = 1 . .. ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===~=::::========::::===================::::===::::=::::::::========::::::::±=::::=::::::::::::::::=========::::::::====~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 11.53 RAINFALL INTENSITY (INCH./HOUR) = 4.46 TOTAL STREAM AREA (ACRES):::: 15.70 1 ARE: TOTAL STREAM HUNOFF(CFS) AT CONFLUENCE :::: 39.24 r f **************************************************************~************* FLOW PROCESS FROM NODE 220.00 TO NODE 221.00 IS CODE:::: 0 _________________________________ ~ ___________ ~ ________________ J~ ___________ _ /' »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< I =======~===========================================:===========~============= SOIL CLASSIFIC?HION IS "D" SINGLE FAl'l I L Y DEVELOPMENT RUNOFF COEFF I C lENT :::: . 5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION:::: 390.00 DOWNSTREAM ELEVATION = 376.00 ELEVATION DIFFERENCE:::: 14.00 • URBAN SUBm~E{~ DVERU~ND 1'1 tilE oF.' FLO~J (f'l I NUTES) ::~ *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF~NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.202 SUBAREA RUNOFF(CFS) -.57 TOTAL AREA(ACRES) = .20 TOTAL RUNPFF(CFS~ = • "I: ~<.' : • i 9.074·t I , t r I ! , , . , .. I t' \ .J *******~******************************************************************** FLOW PROCESS FROM NODE 221.00 TO NODE 222.00 IS CODE = 6 »»)COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ================:::=:::===:::===========~============:::==::::::=====:::=:::===::::::====::::::===== UPSTREAM ELEVATION::: 376.00 DOWNSTREAM ELEVATION ::: STREET LENGTHrF~ETj = 666.6b CURB HEIGTH(INCHES) ::: 6 • • TREET HALFWIDTH (FEET) ::: 24.00 STREET CI~m';;SFALL WECIl"lf-IU 3PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF::: 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS)::: 8.15 STREET FLOWDEPTHCFEET)::: .35 HALFSTREET FLOODWIDTHCFEET)::: 10.99 d AVERAGE FLOW VELOCITY(FEET/SEC.) = 6~15 PRODUCT OF DEPTH&VELOCITY::: 2.13 STREET FLOW TRAVELTIME(MIN)::: 1.63 TC(MIN).F 10.70 1 ': " 1 00 YE('~R RA I I\IF {')LL I NTENS I TY ( I hlCH / HDUR) :::: 4. 1J,T7 SOIL CU~SSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNQFF COEFFICIENT ~ .5500 SUBAREA AREA(ACRES)::: 5.90 SUBAREA RUNOFF (CFS) ::: SUMMED AREA(ACRES) = 6.10 TOTAL RUNOFF(C~S) ::: END OF SUBAREA STREET FLOW HYDRAULICS: f 15. 18 15.75 DEPTH (FEET) ::: .42 HALFST~EET FLOODWIDTH(F~ET) ::: 14.51 FLOW VELOCITY(FEET/SEC.) -7.09 . DEPTH*VELQCITY::: 2.95 .0200 **************************************************************************** FLOW PROCESS FROM NODE 222.00 TO NODE 133.00 IS CODE::: 4' -------------_ ...... _-----------_ ..... _--_ .. __ ..... __ .. -._._ .. --..... ----... ---..... ------.... ,~----.. --..... -----~---- > > > > >COI'1PUTE PI PEFLDW TRAVELT II'lE THRU SUBf~F~EI~<: < < <:-::; »»>USING USER-SPECIFIED PIPESIZE««< . . =:::===::::::=====::::::==:::=============:::======:::=:::=========~=:::=:::==::::::::::::::::::::::::::::::=::::::::::::::::::=::::::::::::=== . . PIPEFLOW VELOCITY(FEET/SEC.) == 8.9 .PSTREAI"1 NODE ELEWiT ION::: 335. 00 DOWNSTREAM NODE ELEVATION = 334.00 FLOWLENGTH(FEET) == 50.00 MANNINGS hi -.013 GIVEN PIPE DIAMETER(INCH)::: 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) -15.75 TRAVEL TIt1E(t;IIN.)::: .09 TC(!"IIN.)::-.:: lO.E!O iI **************************************************************************** FLOW PROCESS FROM NODE 222.00 TO NODE 133.00 IS CODE == 1 ------------_. __ .. _---------_ .. __ .. !-..... __ .. __ .. _ .. _ .... _-............ -.......... -..... -........ -.-•• -..... -.. ;;;:. .. -.-----... --.... --,-~--:" ... ------------_ .. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< .'J =:::=:::=======::::::=::::::::::::===:::==::::::::===:::==::::=:::=::::::::=====::-.::::::::::~':::::::::::::,":::====:::====:::==:::::::::::==k:==::;:;===:::====== CONFLUENCE VALUES USED FOR INDEPENDENT STHEAI'l 2 ARE: 1 J ,1 TIME OF CONCENTRATION(MINUTES)::: 10.80[ RAINFALL INTENSITY (INCH./HOUR":::: 4. 6~5 .}. TOTAL STREAt'l {·~REA (ACREE»:::: 6. 1 <) .. : r TOTAL STREAM HUNOFF(CFS) AT CONFLUENCE::: 15.75 .r :1. CONFLUENCE INFORMATION: STREAM HUNOFF TIME INTENSITY NUt1BER (CFS) (!"IIN.) (INCH/HOUFO ----------------------------------------------------------------------------1 .2 39. :;~4 15.75 1. 1 • 5~!o 10.80 4.457 :: 4 •. 651 ,i .~ .' .. '. F:::A I NFALL - I NTENS I TY -R?H I (J CONFLUf;:::NCE FOF~t;IULA LJSED FOR 2 StF~¥At'IS VARIOUS CONFLUENCED RUNOFF VALqES ARE f.\S FOLLOWS: , n. ~;4 .. :33 53.35 • ,'~! • . .' ~ ::;: ';..'; . \. . ~ • ~.!'" '.'" .. '.. ..... ." ~ • :./. f,'. .• ... . ,I 1; HUI'.,jUFI:':· u::;FS) ".:"'. ~O::I .• :2:'::::',) T H'1E (1"1 II'''UTE~3);;.: 11 . 5~32 ·TOT{.~L, ~~HEA(ACr\ES) ::z: 6~b8(~~re.ese-Cl7cJ/V' $.cr/,#E.c-A/ A-A /G/. y-/P/G/. **************************************************************************** FLOW PROCESS FROM NODE 133.00 TO NODE 59.00 IS CODE = 4 , . -~--------------------------------------------------------------------------. »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< , • »»>USING USER·-SPECIFIED PIPESIZE««< . -====================================================================-------PIP~FLOW VELOCITY{FEET/SEC.) = 17.3 UPSTREAM NODE ELEVATION = 331.00 DOWNSTREAM NODE ELEVATION = 315.00 ~I FLOWLENGTH(FEET) = . 450.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 54.33 II TRAVEL TIMECMIN.) = .43 TC(MIN.) = 11.~7 , , **************************************************************************** FLOl-<J Pf~OCESS FnClM NODE 1~'::'3,. 00 TCl NODE 5fl,.00 H3 CClDE == 1 ----------------------------------------------~~-----------~--------~-------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUSNCE««< .- ==~~~;~~~~~~=~~:~~;=~;~;=;~~=;~;~;~~;~~;=;~~~~~==;=~~~;=========~=========== TIME OF CONCENTRATION (MINUTES) = 11.97 RAINFALL,INTENSITY (INCH./HClUR) = 4.35 TOTAL STREAM AREA (ACRES) = 21.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 54.33 ***'***'**'****'*'*'*'****'****'*'******'***'*'*'*'rl-**'*.;:.**.********.*.11-******,**.*****.*******'*** 'J FLOW PROCESS FROM NODE 56.00 TCl NODE '~7.00 IS CODE'= ·2 : .-;~:;;;~~~~~;~~~~-·~~~~~b~-·~~~~·~·~~~~-~~~~~~~~-·~~~~;;;~~~:~~~~---------~-~~---.--------.- ============================================================================ SOIL CLASSIFICATION IS "D" SINGLE FA!'1ILY DEYELOPI'1ENT RUNDFF: COEFFICIE,NT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -1bo.oo UPSTREAM ELEVATION = 351.00 j I DOWNSTR~AM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 URBAN'SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 1.<)0 YEAri RAINFALL INT.ENSITY (INCH/l·-IoUR) = 5. ~511 SUBAREA RUNOFF(CFS) -.61 TOTAL ARE~" C ACRES) = ' ~ 20 TOT I~L F.:UNOFF (CPS) .. . 6:~ • J I. I' J I : ' **************************************************************-************* I FLOW PROCESS FROM NODE 57.<)0 TO NODE 58.00 IS CODE = ! 6 . , ~. -----------------------------------------7T------------------~~-----~-------»»>COMPUTE STREETFLOW TRAVELTIME TH~U SU8AREA««< , i ===========================================================~================ • UPSTREAM ELEVATION = 359.00 DOWNSTREAM ELEVATION = i15.00 STREET LENGTHCFEET) = 1000.00 CUnB HEI~TH(INCHES) = 6. I; STREET HALFWIDTH(FEET) = 28.00 STREET CROSS FALL (DECIMAL) !~ .0200 SPECIFIED NUMBER OF HALFSTnEETS CARnYING RUNOFF = 2 'lH TRAVELT Il'1E COI'1PUTED US I NG I'T1E::('~hl F'UJW (CPS) .- STnEET FLOWDEPTH(FEET) ~ .30 HALFSTl=l:EET FLOO[H'J I DTH (FEET):::: 8" 54 AVERAGE FLClW VELOCITY(FEET/SEC.) = 4.74 8.03 ;i " " .. . . : . PFWDUCT OF DEF'Tl-l::lI.VELOC IiT\Y = 1. • 41. : :. ; i STREETFLOl-<J TR("WEL T H'IE (t'H N) ~-:: \:3. ~i2 TC <t'l IN) =" 11 • 82 : ~ ~ i·· 10(> YEAR R(.UNFI~LL INTENSITY (INCI"VHOI,JH) ". 4~ :3137 ~~nT 1 r.1 'ARRT ~~l r~A·r T.DIlN......l£~~~ _________ t _____ .... ;,l,.'; ___________ .....,;1 SU8ARlA AREA(ACRES) = 6.10 SUBAREA RUNDFF(CFS) = 14.72 SUMMED AREA(ACRES) = 6.30 'TOTAL RUNOFF (CFS) -15.33 END OF SUBAREA STREETFLOW HyDRAULICS: DEPTHCFEET) = .36 HALF STREET FLOODWIDTH(FE~T) = 11.85 FLOW VELOCITY(FEET/SEC.) = 5.03' DEPTH*VELOCITY = 1.83 -~***-***-*-*-*****'**'**-**-*-K-****-l(--**-l(--*'*-)f*~--*-*-*'~-'*1';"l(--l(-,~c,,***,)(-*-*-**-**-l(-*-l(·*-***-*-*,**-*~~:-l(-*~-*-*t;' ~OW PROCESS FROM NODE 58.00 TO NODE 59.00 IS CODE = 4 -----------------------------------------------------------------~----------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< , ====================~===========================~=========================== DEPTH OF FLOW IN 24.0 INCH PIPE' IS 11.5 INCHES PIPEFLOW ~ELOCITY(FEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATION = 321.00 FLOWLENGTHCFEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU 8UBAREACCFS) -15.33 " TRAVEL TIMECMIN.) = .06 TC(MIN.) = 11.eS 1 I **************************************************************************** FLOW PROCESS FROM NODE 58.00 TO NODE 5~.00 IS CODE = : 1 --------------~-------------------------------~-----------------------------> > > > >DES I GNATE :1 NDEPEI\lDENT STnE{'~IYI FOFi: C(JI\~FLUEI\lCE<: <: < <: < ======================================~========================6============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES) = 11.88 r"AINFALL INTENSITY CINCH. IHOUFO::::: 4.37 TOTAL STFi:EAM AREA (ACRES) = 6~30 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE -15.33 • ****************************************~*********************************** FLOW F'R,OCESS FI~0t1 NODE 60.00 TO' NODE 61 . 00 I S CODE::::: 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALY&IS««< ' ================:::============,,;,,=============:::============::::=====d============= SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION ~ 347.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAR~A RUNOFF(CFS) = .61 TOTAL AREACACRES) = .20 I TOTAL RUNOFF(CFS) - i f I i .6t t-r i **************************************************************-************* Fl.OW PROCESS FRot1 NODE 61 • 00 TO NODE ~)2. 00 I S CODE = ! 6 --;;;;;~;~~~~~--~~~~~~~:~;~-~~~~~~~:~-~;~~~-~~~~~~-~;~~~~~~~~~~~~~-----~--j-------~--------.~ , , ' ==============================:::::=================::::::::::===========~===========~== UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = ~18.00 4lrREET LENGTH C FEET) = 950 ~ 00, CURB HE I GTH CINCHES) = 6. j , ~ REET HALFWIDTHCFEET) ::::: 28.00 : STREET CROSSFALL(DECIMA4) = .0200 PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF::::: 2 : *~T~A~ELTIME ~PMPUTE~ USlNG M~AN FLOW(CFS) = 3~~i S T R[:.E 1 FLOWDEr-' rH (FEE r) :::::' .2!:,:, i l- HALFSTREET FLOODWIDTH(FEET)::::: 6.05 AVERAGE FLOW VELOCITYCFEET/SEC.) ~ ,..\~.. . 100 YEAR RAINFALL INTENSITY(I~CH!HOUR) -4.116 SOIL CLASSIFICATION IS "D" SINGLE F~MILY DEVELoPMENT 'RUNbFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) - SUMMED AREA (ACRES) ::: 2.50 TOTAL RUNOFF (CFS) - END OF SUBAREA STREETFLOW HYDRAULICS: 8.54 5.21 5.81 DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) - .LOW VELOCITY (FEET ISEC.) ::: 3. 4~$ DEPTI·"H~·\"ELOCITY::-.: 1.02 ************************************************~*************************** FLOW PROCESS FROM NODE 62.00 TO NODE 59~)0 IS CODE::: 4 .. ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««( I ====~==========:::====:::===:::==::::::==:::=========:::=====~===::::::==:::===::::::::::::=:::=:::~=====:::== DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.1 INC~ES PIPEFLOW VELOCITY(FEET/SEC.) ~ 9.0 UPSTREAM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATION::: 321 •. 00 FLm.<JLENGTH (FEET) = 30. 00 1"1r-INN I NGS N:::: .. :013 GIVEN PIPE DIAMETER(INCH)::: 18.00 NUMBER/OF PIPES - PIPEFLOW THRU 8UBAREA(CFS) -5.81 I TRAVEL TIME(MIN.) -.06 TC(MIN.) = 13~10 1 > :> ****************~*********************************************i************* FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODt = 1 . ' -------------------------------~----------------------------~---------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< > > » )AND COI'1PUTE VAH·IOUS CONFLUEI\ICE]) STI:;:E{41'1 VALUES-=:: -=:: < < -::: . J ========:::======:::==:::===============:::=========~===~:::========-================= CONFLUENCE VALUES USED FOR INDEPENDEN~ STREAM 3 ARE: •. It'IE OF CONCENTR?H I ON <t1 I NUTES):::: 13. 10 . . RAINFALL INTENSITY (INCH./HOUR) = 4.10 TOTAL STREAM AREA (ACRES)::: 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -5.81 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt'1BER (CFS) (t'IIN.) <INCH/HOUr:O . . -----------------------------------------------------------------------------. . 1 54. ~53 11. en 4·. :3~;2 2 15. ~!'~3 11.a8 4 .. ::::7~~~ ::::-5.81 13. :LO 4. 104 J RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 3 STRE~~1S 75.07 74.87 71.44. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNO~F(CFS) = 75.07 TIME(MINUTES) -11.966 TOTAL AREA(ACRES) = 30.60 1 f . ~. 1- ! , ~ ·r ; r **'*·'*·*****·******_l(·******·lI·*****_l(·*·*·*~J{·_l(· .. )(·**·*'*.*.***'*.'*.'*.*lI.~k*'*·***-lI··*·*·*'*i*_l(J.*·**·****'*·*·*·_l(·**** FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE:=! 4 . ------------------------------------------------------------~---------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< i . • »»>UEIING USER-SPECIFIED PIPE~IZE««< . ! ===-=======::::::::::::::::::-.::====::=====::::::::::::::::::::::::::::::::::::::::::.-:::::::::.::::::::::::-.::::::::::::::::==:::::::::::========{::::===:::::============= DEPTH OF FLOW IN 36.0 INCH PIPE IS 14.5 INCHES ~ . ,\ . . i PI PEFLOW. VELOC I TY (FEET ISEC •. ) .:=~' 28. 2 ~ .. ~ UPSTREAM NODE ELEVATION = 321.00' DDWNSTREAt1 NODE ELEVAT I ON::: 31.2. 00 '.. . I . " • ,~~;~.~~ __ . ..:... .. ...:..:_ . ..:...· . ...:..~:.:...;~:·::Jl.:¥..:...: __________ .......;:;;:;:./r...;;ft:..·~ _ ......... _' .,;;.~_' ____ ..... __ .;io,;)': ... ,,: . .iOo~~-___ ... I II ·t. '11 '·1 J.; I· ...... _' I .;~' " ~ .. ' J. '_' G I VEl''.! r.::· I PE D I AI'1ETEH ( INCH) :::: ~~,6. 00 NUMBER OF PIPES = 1 PIPEFLOW THRU 8UBAREA(CFS) = 75.07 TRAVEL TIM£(MIN.) = .04 TC(MIN.):::: 12.01 :/ ***'***,*'*'*',*'****,*'*******'******,*'~,('***il'*,*'-l!"*'**il'il"i!"i!'***'**'*"**'****'***'*'**'*'****'*'-!('**-!('**** <~ FLOW PROCESS FROM NODE 59.00 TO NODE 118.00 IS CODE = 1 .;~:;;;;~~~~~~~~:~-~~;~~~~;~~~~--~~~~~~-~~;~-~~;~~~~~~~~~~~~~-------------------~~'---.. - ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) :::: 12.01 RAINFALL INTENSITY (INCH./HOUR) = 4.34 TOTAL STREAM AREA (ACRES) = 30.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1 ARE: -,. if ***********************************************~**************************** FLOW PHOCESS FROM NODE' 110.00 TO NODE l1i:00 IS CODE = 2 ----------------------------------------------------------------~-----------»»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =================================~==========::::=~=====~======~~=============== » SOIL' CLASSIFICATION IS "0" Ii SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIEN~i= .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.PO UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE:::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 5.511 SUBAREA RUNOFF(CFS) == .61 8.299' TOTAL AREA(ACRES) ::::" .20 TOT {~L. F~LJNOFF (CFS) ,-.6;( .*_l('*****'*****.;'l-~k*'**'*~k*'*'**'*'****'*'***'*,-lI,~*i\,*'*,*~*'*''*'*'~k-)r**~.(,,*~*,**,*,**'*,*_l(,*,*~*,*,***,**~*****-)r FLOW PROCESS FI~Olvt NODE 111 • ,60 TO I\lODE 112. 00 I S CODE:::: b »»)COMPUTE STREETFLOW TRAVEL1IME THRU S~BAREA««< :::'":::::: :::::::::: ==:::::::: =r=::::::::::::::::::::: =:::::::::::::::::::::::::::::::: = =::=::::::::::::::::: ""~::::::::::::::::::::'.::::.~:::::::::::: """:::::: ::: =:::::::::::::::::::::::::::::::: r1::::::::::::::::::::::::::::::::::::::::::::: UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION:::: 330.00 STHEET LENGTH (FEET), ::: 750. 00 CUFm HE I GTH ( I NCHEE3) = 6. STREET HALFWIDTH(FEET) = 2a.ob STR~ET CROSSFALL(DECIMAL) ::: .0200 SPECIFI~D NUMBER OF HALFSTREETS CARRYING RUNOFF::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) ::: STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) ::: 6.8f:3 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.76 PRODUCT OF DEPTH&VELOCITY ::: -r-I' " I .. ~I STREETFLOW TRAVELTIME(MIN) = 4.54 'rc (t'1 IN) = . ' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ~ 4.160 E)oIL CLASSIFIC{-lTION IS liD" 12.84 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::: .5500 SUBAREA AREA(ACRES)::: 2.30 SUBAREA RUNOFF(CFS) == SUMMED AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: 3.26 : ''f , II IJ II 'I ,i f . ,I- " DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) - FLOW VELOCITY(FEET/SEC.) ::: 3.46 DEPTH*VELOCITY == 8.54 • 1.0;;:: " ~ .' " .. .. **********************************************************¥*~*************** FLOW PROCESS FROM NODE 112. O(~\ TO NODE 118. 00 I S CODE, =11.. 4 , ,>. . ----------------------------------------------------------------------------> >-:::-:::->CDt1PUTE PI PEFLDW Tf~(WEL T UilE THnu SUBAHEf..!< <.::: <: <: • • • a •• 'r'" _ •• _ •• __ _ . ~i:.·:~· -........ -.-... _ .. '\"0-•••• -.-..... ...,..--.~~ .... .. ~~;~. 'I .', ':'.' '. J ~===========~=========================================:::===~==:::=========:::==== DEPTH OF FLOW IN 18.0 INCH P1PE IS 4.7 INCHES PIPEFLOW'VELOCITYCFEET/SEC.) = 15.8 UPSTREAM NODE ELEVATION::: 330.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTHtFEET)::: 100.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER CINCH) ::: 18.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREACCFS) = 5.87 .TRAVEL TIt"IE (I""IIN.) = • 11 Te (MIN.):::: 12.94 1 ***************'*****'**'l!-'*'*'******'******'*'*'*'::-')(-*'l!-*'**~:l!-******'****'**************'*** FLOW PROCESS FROM NODE 112.00 TO NODE 118~PO IS CODE = l' ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::==:::::::::=::::::==:::=:::::::::::::::=:::=::_.::::====:::=:::=:::~.:::::::::~_:::::_.:=:::::=~_:.~:::::::::::::::::=~::::::===:::==:::===:::==:::::=:i::=====:::==::::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREA~l 2 ARE: T II'1E OF COI\ICENTRAT I ON (1'1 I I\IUTES):::: 12. 94 I , nAINFALL INTENSITY (INCH. IHOUFn::: 4. 14 " TOTAL STREAM AREA (ACRES)::: 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -5.87 : , I' **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE li~.oo IS CODE::: , 2 . --------------_ .. __ ... _---_ ... _.....:_ ..... -.. _---_ .. _ .. _--_ .. _--_ .......... --:-~---------------.. ----:---.. -.. -------~- »»>RATioNAL ~ETHOD INITIAL SUBAREA ANALYSIS««< . . . . ========:::==:::=::::::===:::=:::::::::===::::::::::::===:::::::::====================================:::==::::::= SOIL CLASSIFICATION IS "0" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT::: .8500 INITIAL SUBAREA FLOW-LENGTHCFEET) -650.00 UPSTREAM ELEVATION-::: 340.00 DOWNSTREAM ELEVATION::: 319.00 .. 1. ELEVATION DIFFERENCE::: 21.00 UR.BAN SI.)BAREA OVERLAI\ID T I 1'1E OF FLOvJ (1'1 I NllTES) - *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH .. .! I· I DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAHEPI FLOW LENGTH EXCE"EDS COUNTY NOMOGRAPH DEFINITIOI~. EXTRAPOLATION OF"NOMOGRAPH 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: 5.072 SUBAREA RUNOFFCCFS) -3.45 TOTAL AREACACRES) ::: .80 TOTAL RUNOFF(CFS) ~ USED. ;3.45 **************************************************************************** FLOW. PHOCESS FROt'1 NODE 117. 00 TO NODE 118. 00 I S CODE::: , ; 4 :::====:::==:::==::::::=:::=:::::::::::::::::::::=::::::=:::==:::=~::::::=:::=:::::::::===~=:::=:::=:::::::::::::::::::::::::::::::::=:::::::::::::::::::::::::::::::::::::::::: DEPTH OF FLOW IN 18.0 INCH PI~E IS PIPEFLOW VELOCITY(FEET/SEC.)::: 9.7 UPSTREAM NODE ELEVATION::: 319.00 DOWNSTREAt1 NODE ELEVATION:::' "314.00 4.6 INCHES FLOWLENGTH(FEET)::: 80.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH)::: 18.00 NUMBER OF PIPES ::: PIPEFLOW THRU SUBAREACCFS) ::: 3.45 TRAVEL TIME(MIN.)::: .14 TC(MIN.)::: Cr. 58 ': .~. ,. , : . i i .***'*****'**'***'*'*'***********'****~*'****-)(-*'*'l!-*'*_***.*.*.*********i;*******'l!-*********' FLOW PROCESS FROM NODE 117.0~ TO NODE 118.00 IS COD~~9j 1 ___________ , _____ .. __ .. _________ oo _____ ..! .. :... ___ .. _ .. ______ oo_ .. ____ .... __________ -r-...a.i--__ .. _____ .. _______ .o.- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENGE««< »»>AND COMPUTE VARIDUS CONFLUENCED STREAM YA~UES««< <.:~it:;l: ', .. · .. ~I;~·~.~·::r::·;.··~.:··:~.J;:~·~, ,', ,:., .. ~,.::: -;,,:=::./.t,-", ;.r. . ... \~ ,. ~UN~LULNkL VHLULS USLD FOR IND~PENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES)'= 9.58 'RAINFALL INTENSITY (INCH./HOUR) = 5.02 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CO~FLUENCE -3.45 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY •,IUt'IBER (CFS) <t,'lI N.) ( I NCr·1 / HOUFO , ---------------------------------------------------------------------~---- 1 75.07 12.01 4.342 2 5.87 12.94 4.138 3 3" 45 9.58 5. C):-~~:.; ~ RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VAR I OUS CONFLUENCED nUN OFF VALUES ?mr::: AS FOLLQWS: 83.64 80.24 73.16 ( COMPUTED CONFLUENCE ~STIMATES AnE AS FOLLOWS: , RUNOFF (CFS) = 83.64 TIME(MINUTES) = 1~.007 TOTAL ?~REA (ACnES) =: e;:;;;O dr= G727,e,q OR/l/M c;? 8/L-~ aA'R/1/E5 o,.e'/p'E-6c~ 6/-/T.'#3c6'e::?r /#p. ?L.A'A./ . ~. -)(.**.***********.-)(,*,*.****-)(.**-)(.*.***.*,*._)(.*.**"***,;..'*'*;i!.*"*.*,l(,.i:.j(-*-)(,-)(.-l(.*.j(-*,*.****,j(-.*#"*.~*-l(.**-j(.,*.-j(.***** FLOW PROCESS FROM NODE 118.00 TO NODE 12~.00 IS CODE = 4 ----------------------------------------------~-----------------------------:>:::-> > ::;'COt-IIPUTE PI PEFLOW TRNJEL T I t,'I[;:~ THRU S:;UB{~HE.A< < < < < ""'USII"C~ U~E-~ ~I~ECIF-II-D' nII~E-~I'7E-" ... . •... •... •... .... ••.. 'I J ~ -::'t~-i:>'" ... ::. 1-- -i.j. 4-..... : •• ':" ':" ':" ':" ==================================::::===========================::::::::=============== DEPTH OF FLOW IN 36.0 INCH F' I PE IS 16. 0 ~ [\(CHE~~ PIF'f:':,FLO~J VELOCITY (FEET/SEC.) ::: 27.,5 UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEV~TION ~ 285.00 FLOWLENGTH(FEET):::: 225.00 MANNINGS N ::::: .013 • ' GlI VEN PIPE D Ii=,t1ETEH ( INCH) ::: 36. 00 "I\ILWmEF~ Or.: P I PES = PIPEFLOW THRU SUBAREA(CFS) = 83.64 TRAVEL T I t1E (Ivl 11\1.):::: • 1. 4 TC <t'l IN . .> _.-12. 1. 4 . . . . 1 *·IHI··*·*·***·*******·***·*·j(-·I{--l(-*****·****·*·**·*·lH("*"~~':H~"**'*~'*'*'*'*'*'***'****'**'****~'*'**'********** FLOW PROCESS FHOM NODE, 118.00 TO NODE 122.00 IS CODE = 11 ---------------------------------~---------------------------------~--------»»)>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===============::::===============~::::==========================::::=::::=::::============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AHE: TIME OF CONCENTRATION (MINUTES) :::: 12.14 RAINFALL INTENSITY (INCH./HOUR) = 4.31 TOTAL STREAM AREA (ACRES) :::: ' 33.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -83.64 . / i· . ,* .• *.*.*.***.***.*****.*,******.*.*.*.*.*****.*.~-***.***.***:***;*,-)(-.*.**.l("*'*****-lC-**'*'*i~*.~*-*.j(--K-******** FLOW PROCESS FnOM NODE 113.00 TO NODE' 114.00 16 CODE:::: r 2 ------------------------------------------------------------~1--------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ! ==;~;:=~:;;;;;;~;;;~~=;;=:~:===============~~================t=====~========= .< • SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 .; IN1TIAL SUBAREA FLOW-LENGTH(FEET) -125.00 ~ UPSTREAM ELEVATION = 308.QO • DDWNSTHEAt1 ELEVATION::: ::::'06.00 , ELEVATION DIFFERENCE = ,. "2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) == 100 YEAR RAINFALL INTENSITY(I~CH/HOUR) = 4.934 SU~AREA HUNOFF(CFS) = .54 TOTAL AREA (ACRES) = .20 '.'. ,' .... TOTAL RUNOFFECFS) = ~ ,-~ :; . :~~ . ~.' ! ! 9. 85~i) L , t ,.54· . \ . ' /J '-..-/ \ J -- LU en c( :I: a.. .;.!, **' * * ** ** * *,** 1(, **-jt * 'i£' * *.* **'j(-1(''i£'*.* 'i£' 1(,'i!''7!. 1("*' 1(. 1(. oj(. '~Hi' .*. "J!' *.;!. -X"*'"'* * * 'ii' *'j(-.* .. )(. *'i(--1(, .**.* * 1("* 'l!"** -l\. oj(' *1("l!-.;.E' *'lE-*.l(. FLOW PROCESS FROM NODE 114.00 TO NODE 115.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ======::::=::::::::==::::=::::==::::=::::=::::::::::::==::::::::==::::::::::::::::::::::::==::::=====~==::::::::::::::::===::::=======::::==::::=::::=::::::::===== UPSTREAI'l ELEVAT I ON ::: 302. 00 DOv·JNBTF~E{')I'l ELEWiT ION :::: 290.00 STREET LENGTH (FEET) :::: 425.00 CURB HEIGTH(INCHES) = 6 . • STREET HALFW I DTH (FEET) = 24.00 STREET CFmSSFI~LL <DEC IIT1AU -- SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF:::: 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - , . STREET FLOWDEPTH(FEET):::: .30 HALFSTREET FLOODWIDTH(FEET):::: 8.88 ~, AVERAGE FLOW VELOCITY(FEET/SEC.) -3.80 PRODUCT OF DEPTH&VELOCITY = 1.15 STREETFLOW TRAVELTIME(MIN):::: 1.87 100 YEAR RAINFALL INTENSITY (H~CH/HOur~) :::: 4.'412 BOIL CLA~3SIFIC{HION IS "0" , , 1.1.72 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES):::: 2.40 SUBAREA RUNOFF(CFS) = SUMMED AREA (ACRES) :::: 2.60 TOTAL RUNOFF(CFS) :::: END OF SUBAREA STREETFLOW HYDRAULICS: I I 3.44 5.B2 6.37 DEPTH (FEET) :::: .36 HALFSTREET FLOODWIDTH(FEET) = 11.70 r'::'LOW VELOCITY (FEET/SEC.) --4. 28 DEF'TI"H~'VELCJCI"rY:::: l.. 54 ' . ' .0200 **************************************************************************** FLOW PROCESS FROM NODE 1.15.00 TO NODE 122.00 IS CODE:::: 4 , ' ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAR~A««< »»>USING USER-SPECIFIED PIPESIZE««< ::::::=::::::=:::=:::::::::::::::::===:::::::==:::=======::::=::::==::::===:::::::===::::===::::::::=::::==~:::::::===:::=======::::===::::=:::=:::= • DEPTH OF FLm·J IN 18. I) INCH [=, I PE IS PIPEFLOW VELOCITY(FEET/SEC.)::: 9.Q UPSTREAM NODE ELEVATION::: 290.00 DOWNSTREAM NODE ELEVATION::: 288.00 7. 1 INCHES FLO\.lJLENGJH (FEET):::. 50. 00 .. t"lm,IN I I\IGS N ::::' • 013 GiVEN PIPE DIAMETER ( INCH) = 18. 00' 1\IUI'lBEI~ OF P I PES = PIPEFLOW THRU SUBAREA(CFSJ :::: 6.37 TRAVEL TIME(MIN.)::: .OB TC(MIN.) -11.80 1 . i I **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 122.00 IS CODE = 1. --------------------------------------------------------------~--------~----»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< : . , Ii I I II =================:::==:::::::::::==::::::=::::=:::::::================::::======:::=======::::======~::::==== CONFLUENCE VALUES USED FOR I ND,5PENDENT STRE{~t'1 TIME OF CONCENTRATION (MINUTES) ::: 11.80. RAINFALL INTENSITY (INCH./HOUR1::: 4.39 TOTAL STREAM AREA (ACRES)::: 2.60 TOTAL STREAM RUNOFF(CFS) AT CONFLuENCE - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt1BER (CFS) (1'11 N.) ( INCH / HClUR) 2 Af~E: ... ; " ~, ," " , I . ! , : ! t ·i r f ! , t .' , . .' :: .--~---.----~;~~:~.----'.-~;~~~---.--:-~--~~;~';"--.-'-'-·--'-----··'------~-~!T-·-----:--·--------- 2 6.37 11. BO '+. '3<7'1 ' , ' RA I Nt=' ALL -'I NTENS I ~Y -'R?H I 0 C~I:~F~·LkNCE FORlvllJLA USED FOR 2 ~;~kAt'1S:; VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 89.89 88.48" . . ':'. '1':' " :;. " , . I V -- .~ hUl\lUI···I·-\ U-b } .:= t~(1" tj9 T I I"IE (1"1 I I\lUTEb) --12. 144 TOTAL AREA(~CRES) = 36.50' ' **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 240.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .~~~~~~~~~~~=~~:~:~:::~~~:~=~~:::!~:::::::=~~==:::========:::===========::::==========~~=== PIPEFLOW VELOCITY(FEET/SEC.) = 12.7 UPSTREAM NODE ELEVATION = 293.00 , ' DOWNSTREAM NODE ELEVATION = 285.00 ti_ FLOWLENGTH(FEET) = 550.00 MANNINGS N = .ul~ GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 89.89 I! TRAVEL TIME(MIN.) = .72 TccMIN.) = 12.~6 I t , , **************************************************************************** FLOW PROCESS FROM NODE 122.00 TO NODE 24Q.00 IS CODE = 1 -------------~--------------------------------------------------------------: . ' . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLU~NCE««< .- =======================================================================~==== CONFLUENCE VALUES USED FOR INDEPENDENT STRE~~ 1 ARE: TIME OF CONCENTRATIONCMINUTES) = 12.86 RAINFALL INTEN~lTY (INCH./HOUR) = 4.15 TOTAL STREAM AREA (ACRES) = 36.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -89.89 .... ~J!·*-I(·*'*·*·***·****-I(··*·*·*****·l(·*·*'*·***-l(·*'*·-x·***,*·,*··***·k'*·*·*·*,*·"~**·*******·!{·,*·*,*·***.,*·*,*·*-JE.**,*·-JE.**** FLOW PROCESS FROt1 N6DE 63. 00 TO NODE . \~~4. 00 I S CODE.' = .2 .;';'~~~:;~~~~~~~~-'-;.:~~~~~~-~'~~~~-~~~--~~~~~~;~~~~-~~~~~~~.-~';':~'~~~'~~-.----'-----.• -.~----.-'-----~----- =======================================~==================================== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) = 106.00 UPSTREAM ELEVATION = 307.00 DOWNSTREAM ELEVATION = 305.00 ELEVATION DIFFERENCE = 2.00 URBAN 'SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 SUBAREA RUNOFF (CFS) -.61 I! 8.29':" TOTAL AREACACRES) = .20 TOTAL RUNOFF(CFS) = • 6,1; • 'J { : 11 *************************************************************~************** FLOW PROCESS FROM NODE 64.00. TO NODE 65.00 IS CODE = 'f 6 . . ,. ------------------------------------------~------------------~~-------------»»>COMPUTE STREETFLOW TRAVELTIME THRU 'SUBAREA««< ==~~;~~~~~=~:~~;77~~=:====;~;~~~===;~~~;7~~~~=;~~~~7;~~=:~===;~;~~~=====*=== STREET LEI\IGTH (FEET):= 900. 00 CUliB HE I (':3'l-H ( INCHES) = 6. I f STREET HALFWIDTH(FEE1' = 24.00 STREET CROSSFALL(DECIMAL~ ~ ~0200 SPECIFIED' NUMBER ·OF·HALFSTREETS.CARRYING RUNOFF = 1 :: **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.30' • " STREET FLOWDEPTH C FEET) :::. . 3~::' i ; HALF STREET FLOODWIDTH(F~ET) = 10.29 }; ! ~ AVERAGE FLOW VELOCITYCFEET/SEC.) = 3.65 PRODUCT OF DEPTH&VELOCITV = 1.21 ;.~iJ.· STREETFLOW TRAVELTIME(MIN) = ~h.l1 TC(MIN) = 12.40 ·f tf" 100 YEAR RAINFALL INTENSITY(INCH/HOUR~ -.. \: " ,~. I , ·1 ;::11 NGLE f Ht'lll... 'i ))E.V\::.LOPI'·'iLNT HUhlC.i\~:F CU[FF I C'[ [1fT :::: • 5~Kj() SUBAREA AREA(ACRES) = 3~10 \ SUBAREA RUNOFF(CFS) = 7.25 SUMMED AREA (ACRES) ::::: 3.30 TOTAL RUhlOFFCCFS) -7.86 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .39 HALFSTREET FLOODWIDTH(FEET) -13.10 FLOW VELOCITY(FEET/SEC.) ::::: 4.28 DEPTH*VELOCITY = 1.66 •* * * * *.j( . .j(. *~. *.j(. 1\ . .j(. * *.~ *'l(o .oli· .j( . .j( . .j(. * -x-oj(. :j( •• ~ -j! •• ~: -l!. 1l. ·iIl· .j( •. j( •• 1I .. j(. -1!' .:~ .• j( . .;~ .j(. -x· .)t . .j(. * .j( •• j( •• j( •• )t •• j( .. j(. * .j( •• j( .• j(. -j( • .j( .. j(. oj(. ·lI· .j(. ,*. -x· -j( •• j( •• J(-'lI' 1\ .. j(. 'K' * -l!' .j(. -LOW PROCESS FROM NODE 65.00 TO NODE 240.00 IS CODE::::: 4 . ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SU8AREA<{«< ""'U~IhIG UI"E-f~ SF~E-CIFIE'D F'IF'E-cIZE-"'" i .•.. .... .... ........ 0 I' 0'· '\--. . -..:l •• ':" ':" •••• .••. .••• t =:::::==========================:::::===~=================:::::========================= DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY (FEET ISEC.) = 11.:3 UPSTREAM NODE ELEVATION = 283.00 DOWNSTREAM NODE ELEVATION = 281.00 FLOWLENGTH(FEET)::::: 40.00 MANNINGS N::::: .013 GIVEN PIPE D I AIYIETER ( INCH)::::: 18. 00 "1l.JlyIBER OF P I PES - PIPEFLOW THRU SUBAREA (CFS) ::::: 7.86 TRAVEL TIME(MIN.)::::: .06 TCCMIN.)::::: 12.46 ! 1. **********************************************4***************************** FLOW PROCESS FROt'1 NODE 65. 00 TO NClDr::: 249. 00 I S CODE = ,1 »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =:::::=================~=======================================~==============~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION (MINUTES)· = '12.46 RAINFALL INTENSITY (INCH./HOUR) = 4.24 TOTAL STREAM AREA (ACRES) = 3.30 .'OTAL' STF~E?\t1 RUNOFF (CFS) {orr CtJNFLUE~NCE ::: 2 (:'RE: 7.86 **************************************************************************** FLOW PROC~SS FROM NODE 67.00 TO NODE : 68.00 IS CODE ~ 2 -_ .. __ .. _----_ .. _ .. _ ...... -.. -...... __ .. __ .:-.......... _ .. _-_ .. _ ................... _ ..... __ .. __ ............. _ .. __ ................. _ .. _ .. _-_ ..... -_ .... __ .. _ ..... !"-_ .... --_ ........... _-... -.. __ .. _ .... _ .. _--_ .. - »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< f ======:::::=====================================:::::=============================== SOIL CLASSIFICf:)TION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET1 -100.00 UPSTREAM ELEVATION = 290.00 DOWNSTREAM ELEVATION = 288.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) = 8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 SUBAREA RWNOFF(CFS) = .6~ TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) - " J i 1· I ~ .6f1 *************************************************************~************** FLOW PROCESS FROM NODE 68.00 TO NODE 66.00 IS CODE = ; 6 . ~ -.--------.. --.--.----.. -:-------:---.. ---.. -... -:---;:--.. -............ -.. -..... -· .... ·-·-· ...... ---··------.. -----.. ---·/ .. -1 .. --......... ·----· .. --_ .. _-- »»)COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< . ============================================================================ IJPSTREAl'l ELEWH I ON ::: 290. 00. DOIIJI\ISTFi:EAI'l ELEVAT I ON :::: j 282"00 "~TF\EET LENGTH (FEET}::: 750. 00,' CUHB H[::: I 13TH ( I NCHEf~) = 6 t. ~TREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMA~) = .0200 SPECIFIED NUMBER OF HALFSTREET~ CARRYING RUNOFF = 1 ~ 4 'l(o* TRAVEL T I l'lE COl'lF'UTED u~n 1\18 1'1EAN FLOv.J (CFS) -4. 7~l STREET FLOWDEPTH(FEET):::: .39 HALFSTREET FLOODWIDTH(FEET) -l3.10 ·<~l~!~:{'.~. 1.'.. .,...... i" • .-.-.:;:~.~t~/Jf:':-'; .. ,.' ':I:/>$,~.f.;: .. ~;. '",,, !'.".: ... ',' -- ?J '''"-'' ~kuuULr UP 0EPTH&VELOCI1"Y = STREETFLOW TRAVELTIME(MIN) = ~ 4.86 1.00 TC (t'IIN) -13.16 100 YEAR RAINFALL "INTENSITY (INCH/HOUR) = 4.092 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFF(CFS) = 8.10 SUMMED AREA(ACRES) = 3.80 TOTAL RUNOFF (CFS) = 8.71 a-;'ND OF SUBAREA STREET FLOW HYDRAUL lCS: ~EPTH(FEET) = .46 HALFSTREET FLOODWIDTHtFEET) = 16.62 FLOW VELOCITY(FEET/SEC.) = 3.02 DEPTH*VELOCITY -1.39 f **************************************************************************** FLOW PROCESS FROM NODE 66.00 "TO NODE 240.00 IS CODE = 4 " -----~-----~-----------------------------------i----------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA4«« »»>USING USER-SPECIFIED PIPESIZE««< ===============================================~============================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 UPSTREAM NODE ELEVATION = 282.00 DOWNSTREAM NODE ELEVATION = 280.00 I FLOWLENGTH(FEET) = 40.00 MANNINGS N = ~013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER'OF PIPES = PIPEFLOW THRU SUBAREA (CFS) = 8.71 TRAVEL TIME(MIN.) = .06 TC(MIN.) -13.22 **********************************************~~***********~**************** FLOW PROCESS FROM NODE 66.00 TO NODE 240.00 IS CODE = 1 " . ----------------------~---------------------~-----------------T-------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLuENCE««< . • ~~~~~~~~=:~~:~~:~~~~~~~~~~s.~~~~~:~~:~==~~~~:~:~=~~:~~~~:~~~:==::::=====::::~~:~~========== CONFLUENCE VALUES USED FOR INOEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES):::: 13.22 RAINFALL INTENSITY (INCH./HOUR) ::::. 4.08 • TOTAL STREAM AREA {ACRES)::: 3.80" • TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -8.71 CONFLUENCE INFORMATION: STREAM : RUNOFF TIME INTENSITY NUMBER (CFS) «''1IN.) (H'-ICH/HClUR) • I _ _. ----------------------------------------------------------------------------1 89.89 12.86 4-. 15LI· ~~ 7.86 12.46 4. ;~3CI 3 8.71 13 .. 22 4.08:1. RAINFALL-INTENSITY-RATIO CONFLVENCE FORMULA USED FOR VARIOUS CONFlUENCED RUNOFF VALUES ARE A~ FOLLOWS: 106.15 104.32 104.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) ::: 106.15 TIME(MINUTES) -12.864 TOTAL AREA(ACRES) = 43.~0 .' J I : 3 STREAJ~S l-I , ; .~ ~ 1 i , i ************'*.***.*****i(.****"*.***"*.~.*"*.**-lI_*"*"*.*~~."*·~A·-iI"*"*··*-lI_**-lI_"*·"*·*·*~k*"*:*~k***"*·****"*·****** . , .FLOW' PROCESS FFml"1 NODE 69. <)(? TO NODE 70. 00 I S CODE I:::: 2 ;;;;;~~~i~~~~-~~~~~~-i~i~i~~-~~;~~~~-~~~~;~i;~~~~~------t----------------- ===:::::======:===::::=:::::::===:=========::::====:~===::::=::::==:~~:::=::::-~::::::=::::==::::::::=::::::::::::::::=::::;;;.:::4===::::::::::-.!."=~~=====::=== SOIL CLASSIFICATION IS "0" ~"" ;: to: • •• • • t, • SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 , I NIT I AL SU!3?\REA FLOl1.J-LENGTH (FEET) r.:; 100. 90 :,' .. \\ .. :"i..' ~~. .:;:~ . :;.'~~-. ~ ~;. 14 ~;'" ...... 0, I I I -- w en « x a. -- w (J) ~ a. !" : !.JUV41·~;:; i h:l::.hi'l i::U:::.\i(-i f 1 Uhl :::= ELEVATION DIFFERENCE = ::~, 4 1,'7' II () (J '. ~;:~ " ()() URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF (CFS) -.61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) -.61 •,**,*,**,***,**,;~*7(-,******,*i(-~;,,***,*,J(-,J(-'l\C'*'*·*of:-';;'*·*·*·***-*·*·*·*·*·*·*·I'H';·*~'·*·*·J(-**·)(-·*.*.*.*.*.*.)(-.*.*.*.)(-.*.**.**.;.~ FLOW PROCESS FROM NODE 70.00 TO NODE 71.00 IS CODE = 6 ----------------------------------------------------------------------------»»)COMPUTE STREET FLOW TRAVELTIME THRU SUBAR~B««< ===============================~===============~~===========~==~============ UPSTREAM· ELEVATION' = 349.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. ~HREET H{:)I.:.F~HDTH (FEET) = 28.'00 STREET CROSSF1-)LL (DECIt"I(')L) --.0200 , , SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.24 STREET FLOWDEPTH(FEET) = .28 , I HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) ;5.78 PRODUCT OF DEPTH&VELOCITY = 1.62·. STREETFU)~J 'n:~(:1VELT II'1E (~'II N)::::: 2. 8E3 TC (i"'II hi);':::: 11 • it:) ~ , 100 YEM~ F<fUNFf.'%LL INTENSITY (INCH/I,,·IOUFO ::::: LI:.:~A7 SOIL CLASSIFICATION IS "D" . SINGLE FAMILY PEVELOPMENT RUNOFF COEFFICIENT:::: .5500 BUElAREA AREA (?iCRES) == 6. 10 SUB{·mEA HUN OFF (CFS)' - SUMMED AREACACRES) = 6.30 TOTAL RUNOFF(CFS) - END OF SUBAHEA STREETFLOW HYDHAULICS: 15.2'5 1!S.86 .... DEPTH (FEET) = .35 HALFSTREET FLOO[)I!J I J':;''1''H (FEE"") --11.02 FLOW VELOCITY(FEET/SEC.) =' 5.95 DEPTH*VELOCITY = 2.06 .. . " , .*************.*.*.****~'***.**.~:*.*.*.*.*~:*.*.*.ltoJ(-**·**·¥.-·)F*·*·*·*·*oJ(-*·*·**·*·¥.-·*·**·*·**';"**·**·***'****0)(- , FLOW PROCESS FROM NODE 71.00 TO NODE 78iOO IS CODE::::: 4 -----------------------------------------------------------------~----------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< '" '. '. '. '. US I "IG UC"[-r-, "'F'EC' I F I ED r-, I F"'E r" I IE .' .' .' .' .' ., • •••• •• :0 .,: •• J.' .,:-. ,-, \;j ..... r'\ --\:) -... -1-..... \::' -':" ':" ':" ':" ':" • ::===:::::::::::::::::====:::::=:::::::::::==::::::::::::::::::::::::::::::=:::::::::::::::::::::::::::::=:::::::::::::::::::::::::::::::::::::::::::~ __ ~:::::::::::::::::::::::=:::::::::::::::::::::!!'"~::::::::::::::!!'.dd=::::::::::::::::::::::::::==:::::::::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.):::: 12.1 UPSTREAM NODE ELEVATION:::: 277.00 DOWNSTHEAM NODE ELEVATION::: 274.00 FLOWLENG'1"H(FEET) = 80.00 MANNINGS N:::: .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA (CFS) = 15.86 TRAVEL TIME(MIN.) = .11 TC(MIN.) -11.29 1 J J I I I . ! 1 .1 ( I ~ ,. ***'***'*'**'**'***')(:***'*********-l(-*'*,***oj(-*'l!'-¥.-**'*.;,.*.*.;~.*1(-**'***'*'*'**'*'*'****'l<-*')(-*'*****7\'*'*.*** ' FLOW PHOCESS Fnot1 NODE 71 . 00 TO NODE 78. 00 I S CODE ::: .' 1 -----------------------~-------------------------------------~--------------; I »»)DESIGNATE INDEPENDENT STHEAM FOR CONFLUENCE««< i ; ==~;~;.:~~~~.~::::~::~~;=~;~~=;~~=~~~~:::~~~;~~~~:=;:;;;~~:~~===~::::;;;~~;=:r=:::::::7!::r=~:=~==:::=:=:::::==== TIME'OF CONCENTRATION(~INUTES)::: 11.29 RAINFALL INTENSITY (INCH./HOUn)::: 4.52 , TOTAL STREAM AREA (ACRES) = 6.30 e':rOH'L STRE?WI nUNOFF (CFS) AT COhlFLUENCE :-.: 1 ~j. 86 . . . : : ; :. i j *********************************~*************************4~*************** FLOW PHOCESS FROM NODE 72.00 TO NODE .. T:::.OO IS CODE ::;: ~, .. ::. ----------------------------------------~-----~~r-----------T-------------~- , !, V '. ~ J "t-. '.~,. ' ..• :," ';".< .~'.~ . ; . ~ _ ft, .. ~.I.,. _'i'I;~~', _~ ________ ___.:. _ ___.:~:.....___.: ____ ...:.._ ....... __ ~~_ ........... _______ IiIiIio _____ .. ~=========================================================================== SOIL CLASSIFIC/HION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 325,'00 DOWNSTREAM ELEVATION = 323.00 ELEVATION DIFFERENCE = 2.00 .• URBAN SUB?\REA OVEF\LAND T I "'IE OF FLm'J (1"1 I NUTES) "". 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) = .61 TOTAL AREA ({:,CRES)" =' ~:;20" TOT(4L RUNDFF (CFS) = 1" j : ~ 8.299 .61 **************************************************************************** FLOW PROCESS FROM NODE 73. 00 TO NODE 74. 00 I S CODE:= 6 ----------------------------------------------~-t---------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBA~E~««< ================================p===============~=========================== UPSTREAM ELEVATION = 323.00 DOWNSTREAM E~EVATION = STREET LENGTH (FEET) = 850.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROaSFALL(DECIMAL) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 275.00 :::: .0200 **TR~VELTIME GOMPUTED USING MEAN FLO~(tFS) -~5. 85 > STREET FLOWDEPTHCFEET) = .25· HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) PRODUCT OF DEPTH&VELOCITY'= .. 6.05 . :::: . ; ~$. 98 .98 STREET FLOW TRAVELTIME(MIN) = 3.·56 TC (t'IIN) = 100 YEAR RAINFALL INTENSITY(U~CH/HOUR) = 4.'377 SOIL CLASSIFICATION IS "D" 11.86 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREACACRES)::: 2.70 SUBAREA RONOFF(CFS) ::: • BUt'lMED AREA (ACRES) = 2.90 TOTAL FiUNOFF (CFS) :::: END OF SUBAREA STREETFLOW HYDRAULICS: . '6.50 7. 11 DEPTH (FEET) :::: .28 HALFSTREET FLOODWIDTHCFEET) = FLOW VELOCITYCFEET/SEC.) = 4.98 DEPTH*VELOCITY = 7.71 1.40 *************************************************************~J************* FLOW PROCESS FROM NODE 74.00 TO NODE 78.00 IS CODE::: 4 . ---------------------------------~---------------------------------------~-~ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .; »»>USING USER-SPECIFIED PIPESIZE««< •• I'~' ., ==:::====:::===============================~========~=========================== .' .; DEPTH OF FLOW IN 18.0 INCH .PIPE IS 9.2 INCHES PIPEFLOW VElOCITY(FEET/SEC.) = 7.8 UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION::: 274.00 FLOWLENGTH(FEET)::: 50.00 .MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH) = IS.DO NUMBER OF PIPES - F' I PEFLOW 'l~HI~U SUBAREr-, (CFS)' :::0. "1. 1 :1. TRAVEL TIMECMIN.) = .11 TC(MIN.) -11.97 , , • J J 1 I J .~ , i " : ., I r • r . I ! , **************************************************************************** " FLOW PROCESS FROM NODE 74.00 TO NOD~ 78.00 IS CODE ~! 1 :. ----------------------------------------------------------------------------,~ I . i . ".»»>DESIGNATE INDEPENDENT 8TREAt'l FOH COI\IFLUENCE««< ! i , .=================:=======:::=:::==~:::.:.:::.':====::::::::"~=:::.'::::::=====::::::'~==::::=;'=:~=:::==:::=====:=:::====:::: , CONFLUENCE V/~UJES USED FOR INDE,F'ENDENT STF\EAtT'1 2 Ar':;:E: ' , TIME OF CONCENTRATION(MINUTES) ~ 11.97 ~ i , f\AINFALL INTENSITY (INCH./HOur~)· =: 4. :35 :f .. !" TOTAL STREAM AREA (ACRES) = . 2.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENeE -... ~ .. ::r'· ; ; .. : .' .' .', ~ .~~ 7. 11 . , , .. .,' .. ; ! • .*****.*****.****-y,.*.*.****.***.*****.*.**'-.,; .. ***.**.*'*'*'l~.**.*.*.*****.l(-.*.~-*.*.*.j(-**·~-·~-*·**·**-l{-*·It*****·lf FLOW PHOCEE;S FHOM NODE 75. (H) TO NODE 76. 00 I S CODE:::: 2 ----------------------------------------------------------------------------. , »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::~::::::::::::=::::::::::::::::::::::::::::::::=::::=::::==::::=::::::::::::=::::::::~::::::::===::::~=::::~======::::=::::===::::=====::::::::=~~~==::::=::::=::::=::::=::::::::= SOIL CLASS!IFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ~ .5500 • I NIT 1 '~L SUBAHEf~1 FLm~-'-LENGTI"'1 (FEET) --. 1. 00. 00 UPSTREAM ELEVATION:::: 319.00 DOWNSTHEAM ELEVATION:::: 31.7.00 ELEVATION DIFFERENCE:::: 2.00 . URBf~N SUBAHEPI OVERL.AND T I t"IE OF FLOW (til I NUTES H -. 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 5.511 SUBAHEA RUNOFFCCFS) -.61 TOTAL AREA (ACRES) ::: .20 .61. **************************************************************************** FLOW PROCESS FRO\"! NODE 76. <)0 TO NODE 77.00 IS CODE::: 6 -----------------------------------------------------------------------------»»>COMPUTE STREETFL.OW TRAVELTIME THRU SUBAijEA««< :::::==::::::::===::-.::::::::::;::::::::=:::::::::=:::::::==:::;:====:::=::::;=;:::=;:;::==::::::::::::::::::::::::::::::::-.:==:::::::::::r.::.::=:::::::::::::::::=::.~:::::::::::::::::::::::::===:::;:::::::=:::::::::=::::=:::::::;:::':::: UPSTREAM ELEVATION::: 317.00 DOWNSTREAM ELEVATION::: 278.00 STREET LENGTH (FEET):::: 750.00 CURB HEI(3TH'( INCHES) :::: 6. STREET HALFWIDTH (FEET) ::: 28.00 rrT'HEET CROS"SFALL <DECIMAL) :::: .. 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -2.22 STREET FLOWDEPTH(FEET):::: .21 HAL~STREET FLOODWIDTHCFEET) = 4.40 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.56 PRODUCT OF DEPTH&VELOCITY :::: .76. Sn~EETFLOW TFa:~v'ELT I 11E (M IN)::: 3.51 TC <1'11 N)::: 11. 81 • 100 YEAH HAINFALL INTENSITY (INCH/HOUH) :::: . 4.389 SOIL CU'SSIFIC{ .. HION IS liD" SINGLE FAMILY DEVELOPMENT HUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES)::::' 1.30 SUBAREA RUNOFF (CFS) -3.14 SUMMED AREA (ACRES) :::: 1.50 TOTAL HUNOFFCCFS) ::: END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET)::: .25 HALFSTREET FLOODWIDTHCFEET) ::: FLOW VELOCITYCFEET/SEC.) -3.86 DEPTH*VELOCITY:::: 6.05 .96 **************************************************************************** FLOW PROCESS FROM NODE 77.00 TO NODE 78.00 IS CODE::: ;4 -----------------------------------------------------------~--~-------------»»~COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< J »»>USING USER-SPECIFIED PIPESIZE««< ) =:::::::=======::::===:::::=::::::::=:::::=::::::::::=====::::::::::::::::::=::::::-.:::=::::::-.!::::::~::::::::::::::::::::=::::==::::::::::::::-.:::::::::::::==:.: == = i:=:::::;:-::: = ======:-.::== DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.1 INCHES ~ PIPEFLOW VELOCITYCFEET/SEC.):::: 9.2 I UPSTREAM NODE EL.EVATION:::: 278.00 J DOWNSTREAM NODE ELEVATION:::: 274.00 I FLOWLENGTHCFEET)::: 80.00 MANNINGS N:::: .013 f GIVEN PIPE DIAMETER(INCH) = 18.00' NUMBER OF PIPES::: 1f PIPEFLOW THRU SUBAREA (CFS) :::: 3.74 • TRAVEL TIMECMIN.)::: .15 TC(MIN.)::: 11.96 , , ' i • * * * * ** * * * *.;t. -l\. * * * * * * -)!. -1(. -l\. -1( • .j(. * -)!--)(0 *.* oJ(. "~"il.-.*. * * *";i-,*. -:~. oJ(. -~. *·It -)t.".* ,* . .;t .. it-.j(. * .j(. *.;t. oJ(. oJ(.".* i .j( .• * oJ( • .;t. *.;t. oJ( •• * * * .j(. * * * *-l\. * FLOW PROCESS FROM NODE 77.od TO NODE 78.00 IS CODE~~ 1 ________________ . __ . _________ . ________ ..:_. ______ . __ ._._._._-------_._-----_._----__ .:_._1:..:. _____ -_. __ ._------ . ' »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED ~T~E0M VALUES««< , ~' .. ", ,i,"l \ '. I·· ... ·.' ." ,".f, ...... ,.' . ' < l!!: ~s:\ ... ',' "~_'\"',:~;. 5,~.·~: .11 t , .' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES)~ = 11.96 RAINFALL INTENSITY (INCH./HOUR) = 4.35 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.74 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY . e UI"'1BER (CFS) (t'lIN.) (INCH/HOUR) -------------------------------------------------------------------------1 15.86 11.29 4.518 2 7.11 11.97 4.352 3 3.74 11.96 4.355 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLgWS: 26.31 26.12 26.13 COMF'UTED :C~JNFUJENCE -PT I l'1f\T~~S .. ARE AS FClLLm~S:: ' RUNOPFCCFS) = TIMECMINUTES) = 11.292 TOTAL AREA (ACRES) == 10.70 / / / ~ :S.D. //f/7e--.e.5eC//tfJN r IG/.7" h'<:5T. . . '*.**'*.***'*.'*.*****'* .. *.**-)!o****'*.**-)!o***'*.-)!o*-~****:!!_'*.:ll·*:*"l!-**~~*'*.*'*.-)!O:******·*·-)!O:*-)!O:;,********-)!O**-)(·** FLOW PROCESS FROM NODE 78.00 TO NODE 82.00 IS CODE == 4 ----------------------------------------------~----------~~--~--------------)-> > > >COMF'UTE PI F'EFLOW TRAVELT I t'IE THRU !::';UB?mEA< < <: <: < »»>USING USER-SPECIFIED PIPESIZE««< ::::=============::::::::====:======::::::::'.::=::::::::==:;::::::::::::::::::::::::::::::::::.::-.:::::=========::::::::-.::::::-:::======::::::::::::-.:::::;:::::====== DEPTH OF FLOW IN 24.0 INCH PIPE; IS 12.7 INCl·-lES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION:::: 274.00 DOWNSTHEAt1 !\lODE ELEW~ T I ON:::: Z::I8. 00 FLOWLENGTH(FEET):::: 300.00 MANNINGS N -.013 .. ~ I VEN PIPE D I f-lt1ETEF: ( INCH) :::: 24. 00 NUt'IBEH OF P I PES :::: ~IPEFLOW THRU SUBAREA (CFS) :::: 26.31 TRAVEL TIt1E (t'IIN.):::: .32 TC O''lIN.):::: 11.61 1 **************************************************************************** FLOW PROCESS FHOM NODE 78.00 TO NODE 82.00 IS CODt:::: !1' . --------------------------------------------~-------------~-----------~-~--- »»>DESIGNATE INDEPENDENT STHEAM FOR CONFLUENCE««< ::::::::::::::::::::::::::::::::::::::::::::=::::=::::::::::::::::::::::::=::::::::::::::::::::=::::::::::::::::::::::::=::::::::::::::::=::::===::::::::==::::::::::::::::=::::::::=::::::::::::::::::::::::==::::::::=::::=::::::::~::::~::::::::=::::= CONFLUENCE VALUES USED FOR. INDEF'ENDENT STHEAM 1 ARE: TIME OF CONCENTRATION (MINUTES) :::: 11.61 RAINFALL INTENSITY (INCH./HOUR) = 4.44 TOTAL STREAM AREA (ACRES):::: 10.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -26.31 • ; J j J . ~. ******************************************~******************~************** FLOW PROCESS FROM NODE 83.00 TO NODE 84.00 IS CODE = ' 2 -------------------------------------------------------------~--------------, )-»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< j ::::::::=:::::::::::::::::::~:::::::::::::::::::::::::::::::::::.~:::::.-::::::::::::::::::::::::::::.::::=::::::::::.-:::::~= .• -:::::::::::=::::::::::::~:::"::::::::;:::::::::::::=.-:::::::::::::::::::::::::::::::.-::::::::'.::::::::::::::r::::::::::::::::::::=::::::::::::::'.:.::::::::::::::: SOIL CL.ASSIFICATION IS liD II ! SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 .• UP.STREI~h1 EL..EVI~T r ON :::: 345. <)0 DOWNSTREAM ELEVATION:::: 343.00 ELEVATIO~ DIFFERENCE = 2.00 UHBAN SUBAHEA OVEHLAND TIME dF FLOW(MINUTES) :::: 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 5.511 SUBAREA RUNOFFCCFS) - TOTAL AREACACRES) :::: . \f:':~ .... : ~ . .61 .2(> TOTAL RUNOFF (CFS) :::: : I ! . ~f'. "'; .. ' -" ., ' ... ~ .. _, 't, . I I **************************************************************************** FLOW PROCESS FROM NODE 84.00 TO NODE 81.00 IS CODE = 6 -----------------------------~----------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================~================~=====================~======~= UPSTREAM ELEVATION = 344.00 DOWNSTREAM ELEVATION = 266.00 STREET LENGTH (FEET) = 1250.00 CURB HEIGT~(INCHES) = 6 . • TREET HALFWIDTH (FEET) ::::: 24.00 STF.:EE-::T .cm1SSFALL mECllv"i.\\..) :::: .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -7.55 STREET FLOWDEPTH(FEETJ = .35 . HALFSTREET FLOODWIDTH(FEET) = 10.99' AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.69 PRODUCT OF DEPTH&VELOCITY = 1.97 STREETFLOW TRAVEL TIt1E (t'IIN) = 3.66 TC (I"''lIN> i= 11.96 1 (H) YEAI~ RA I I\~r= AL_L Il"'rEI\lS I 'rv ( I NC~I·-I/I-I(Jl.JF() ::: 4·. 353 SOIL CU"lSSIFIC(4TION IS "0" ' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ~ .5500 SUBAREA AREACACRES) = 5.70 SUBAREA RUNOFF (CFS) = SUMMED AREA(ACRES) = 5.90 TOTAL RUNOFPCCFS) - 13.6:i 14.25 -" END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTHtFEET) = .40 HALF STREET FLOODWIDTH(F~ET) -13.80 FLOW VELOCITY(FEET/SEC.) = 7~04 DEPTH*VELbCITY = 2.83 **************************************************************************** FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE = 4 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPEC~FIED PIPESIZE««< ====================================================~=====~===~==========~== • EPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 ~NCHES 'IPEFLOW VELOCITY(FEET/SEC.) = 11.1 UPSTREAM NODE ELEVATION = 259.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 30.00 MANNINGS N ~ .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) -14.25 TRAVEL TIMEtMIN.) = .04 TC(MIN~) = 12.00 **************************************************************************** FLOW PROCESS FROM NODE 81.00 TO NODE 82.00 IS CODE = ,1 ~ --------------------------------------------------------------~-------------, »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< J I i ===========================================================~==F===~========~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: r TIt1E OF CONCENTRATION (MINUTES) '= 12. 00 ,~, RAINFALL INTENSITY (INCH./HOUR) = 4.34' t TOTAL STREAM AREA (ACRES) = 5.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -f 1 1 i ***********************************************************~*~************** FLOW PROCESS FROM NODE 85.00 TO NODE 86.00 IS CODE "=! 2 •-'-~:;;;;~~~~~~~~~ .. -;~~~;~~~.-~;~~'~~~'~~-~~~~;~~~.-~;~~~~~~~~'~:~':~'~~::~'-"-"-"--''''}-'-'''-.'.---.. -'---.~ .. -~ .... ~--. ========================================================================= SOIL CLASSIFICffTION IS "0" l ;. " SINGLE FAMILY DEVELOPMENT RUNOPF COEFFICIENT = .5500 i , ~ .. INITIAL SUBAREA FLOW-LENGTHCFEET) 100.00 UPSTREAM ELEVATION = 344.00 DOWNSTREAM ELEVATION = 342.00 ·"1' ' . .... ' 7.61 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 47.74 47.32 47.14 COMPUTED CONFLUENCE ~q 'IMATES ARE AS FOLLOWS: RUNOFF (CFS) = 47.74 TIME(MINUTES) = 11.611 TOT{oiL AREA ({-)CRES) = L 19.60 . . . / r - / -r:.../' / • .:5.0 .. //1/TC:-RSEC7/t:J/l/...,L G. r y I :§-r: **************************************************************************** FLOW PROCESS FROI'l NODE 82. 00 TO NODE B8. <;)() I S CODE = 4 ----------~----------------~-----------------~--~---------------------~-----»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ================================================~=========================== DEPTH OF FLOW IN 36.0 INCH PIPE IS 15.3 INCH~S PIPEFLOW VELOCITY(FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 258.00 DOWNSTREAM NODE ELEVATION = '243.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER DF PIPES = PIPEFLOW THRU 8UBAREA(CFS) -47.74 TRAVEL TIME(MIN.) = .35 TC(MIN.) -11.R6 ***************************************************************~************ FLOW PROCESS FROM NODE 82.00 TO NODE 88.00 IS CODE = 1 »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================~=============================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 11.96 .AINFALL INTEI\18ITY (INCH. IHOUR) = 4.3!5 ~TAL STREAM AREA (ACRES) = 19.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 47.74 **************************************************************************** FLOW PROCESS FROM NODE B9.00 TO NODE 90.00 IS CODE = ~. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================== SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT == .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION == 294.00 DOWNSTREAM ELEVATION == 292.00 ELEVATION DIFFERENCE == 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) ~ 5.511 SUBAREA RUNOFF(CFS) -.61 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) = , ! J J 1 i . ~. r .6t i ( . t ***************'****'******'*'l!-'*'*****'*'****'***-¥~**·**·l<-******·l!--l(-*****·itlll*·I<-*****·****·*** FLOW PROCESS FROM NODE 90.00 TO NODE 91.00 IS CODE == ! 6 ----.. -----.. -----.. -....... -----.------.. -----.. -............ --.. -....... · .. ·-· ......... -.... -.. ----.. ·--·--.. --·-----i"-..... -.. --.. ----.. ·-·----.. -... .. '.:.):::-:::->Cor"IPUTE STREETFLOW rnAVEL T I f'IE THHU SUBAF~E?~<: < < < <:.f . ~.~;~~~~=~~;,~~;~~~=:======;~;~~~=:==~~~~~~~~~;~;~;:=;,~~;,~~~~~~=:==;=;;;~~~========:===: STREET LENGTHCFEET) == 900.00 ~ CURB HEIGTH(INCHES) = 6 •. " i STREET HALFWIDTH(FEET) = 28.00 . STREET CROSSFALL(DECIMA0) ~ .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF == 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CF~~ ~ i·~t~~t. " . :.~,' '. ",:::;"'~:-: .' .. , .. ,f' " . "" .:~t~·:·)~· 7 JI 8:;:~ .( . _ J . ::).~"" .. -- w en c( J: a. URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) = 8.299 100 YEAR RAINFALL INTENSITY(I~CH/HOUR) = 5.511 SUBAREA RUNOFFCCFS) = .61 TOTAL AREACACRES) = .20 TOTAL RUNOFF(CFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE 86.00 TO NODE 87.00 IS CODE = 6 . • : ~:~ ::~ ~:. C-C-·j :., f"::, U··-T'-E":~"-:: ::r': : "E~ E~': ~"r· F":: L"·· (":"1 ~~ " •• ::r': F":': ~:: ·V"· .[:: -L· :·r: "1-t:,' E·--~r': ,.'., f·:': ·L .. ·I···· ;.:: U···I : ~~ f·:~ E': : '.~: .. :: ~: .. :: .~ _ .. -.. -................. -............ _ ......... -.... ,-" ...... _ .... . • ••.. •••. •••. • ,:. • 1 -. "~) f'\:. .. • ~'1 \ , .. , ~:. . ". ... ..\. ,;:) ·01"'1"'':' H·· .. ':" ':" ':" ':" =======================================================================~==== UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 269.00 STREET LENGTHCFEET) = 900.00 CURB HEIGTH{I~CHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW{CFS) -4.08 STREET FLOWDEPTH(FEET) = .23 I HALFSTREET FLOODWIDTH{FEET) = 5.23 AVERAGE FLOW VELOCITY(FEET/SEC.) -5.22 PRODUCT OF DEPTH&VELOCITY = 1.20 STREETFLOW TRAVELTIME(MIN) = 2.87 TC(MIN);= 11.17 , 100 YEAR RAINFALL INTENSITY CINCH/HOUR) = 4.549 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT'= .5500 SUBAREA AREACACRES) = 2.80 SUBAREA RUNOFF(CFS) -7.01, SUMMED AREA(ACRES) = 3.00 TOTAL RUNOFF(CFS) 7.61 END' OF SUBAREA STREET FLOW HYD~AULICS: DEPTH (FEET) = .28 HALF STREET FLOODWIOTHCFEET) -7.71 FLOW VELOCITY(FEET/SEC.) -5.34 DEPTH*VELOCITY = 1.50 ************************************************~*************************** ~=~~'".~~~~~~~-.~~~~-~~~~----~::~~~-!~~-~~~~~----~~::~~.-~.~-:~~:-:--~~.-.-------~----~»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< ==================~=========~~=~=========~==~=============================== DEPTH OF ~LOW IN 1~.0 INCH PIPE IS 6.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTHCFEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU 8UBAREA(CFS) = 7.61 TRAVEL fIME(MIN.) = .11 TCCMIN.) = 11.29 1 ! I I **************************************************************.************* ! FLOW PROCESS FROM NODE 87.00 TO NODE 82.QO IS CODE = ~.1 --------------------------------------------------------------r-------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ! ~============================================================~============== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION (MINUTES) = 11.29 RAINFALL INTENSITY (INCH./HOUR) = 4.52 TOTAL STREAM AREA (ACRES) = 3.00 30TAL STREAM RUNOFF(CFS) AT CONFLUENCE - .ONFLUENCE I NFm~t1AT I ON: STREA\T1 HUNon: T I ,"1E I NT\:::NS I TY NUt"BEF~ (CFS) (t"IN.) (INCH/HOUn> 3 ARE.: 7.61 r I I , -----------------------------------------------------------~-~-------------~~ ~.~.~ ... 11. 61 4.437 '. ..... t I ' ... l.. .. 1..... I ', ..... ,Jl:~·: .. /I .... 1 I' ~ ". i i. .... _ 1 l" ...• n ._ ..... J HALFSTREET FLOODWIDTH(F~ET) = 11.02 AVERAGE FLOW VELOCITYCFEET/SEC.) = 2.93 PRODUCT OF DEPTH&VELOCITY = 1.02 STREETFLQW TRAVELTIMECMIN) = 5.11 TC(MIN) = 13.41 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.044 SOIL CLASSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 .UBAREA f~REA ((-iCRES) = 6. 30 SUBAREA I;:UNOFF (CFS) = 14. 01- ~UMMED AREA (ACRES) = 6.50 TOTAL RUNOFF(CFS) = 14.62 END OF SUB?~REA STREEn:'LOW HYDH{~UL I CB ~ DEPTH (FEET) = .41 HALFSTF::EE':::l' FLOOD~\IIDTI"'I (FEE~T') -14. :3:4 FLOW VE~OCITYtFEET/SEC.) -3.36 DEPTH*VELOdITY -1.39 , ***********************************************~**************************** FLOW PROCESS FROM NODE 91.00 TO NODE 88:00 IS CODE = 4 , ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA~«« »»>USING USER-SPECIFIED PIPESIZE««< ===========~======================~============~============================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.3 INtHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.5 I UPSTREAM NODE ELEVATION = 278.DO : DOWNSTREAM NODE ELEVATION = 256.00 FLOWLENGTH <FEET) =. ::::;00. O(JMf~NN I NBS; N = '. 013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -14.62 TRAVEL TIMECMIN.) = .67 TC(MIN.) = 14.08 **********************~***************************************************** FLOW PROCESS FROM NODE 91.00 Td NODE 88.00 IS COD~ = '1 -.' " ... " .~:;;;~~~~~~~~~-~~~~;~~~~~~~~-~~R~~~-;~R-'~~;~;~~~~~~~~:~~~~---~---7--.. '------'------- »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================~============~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES) = 14.08 RAINFALL INTENSITY (INCH./HOUR) = 3.92 TOTAL STREAM AREA (ACRES) = 6.50 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE -14.62 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER CCFS) (MIN.) (INCH/HOUR) , J ----------~--------------------------------------------~-----~~-------------1 47.74 ~.~ . 11.96 14.08 3.919 RAINFALL-INTENSITY-RATIO CONFLUENCE FOHMULA USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 60.90 57.59 COMPUTED CONFLUENCE =STIMATES ARE AS FOLLOWS: f t RUNOFF (CFS)::: 60. 90 T I 1"1E (1'1 I NUTES) = 11 • 960 : I i J I i , ~. 'T01'AL AREACACRES) = 6.1:t})}rcR6e-cr/??N til' 2:-1 Gr. )I ~/Let JiIJl*****************************~******'*',*'"Il'*********i!'*****";l('f**'****'**'********* ~LOW PROCESS FROM NODE 88.00 TO NODE 97.00 IS CODE! = 4 -------------------------------~1-------------------------r-~--------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ; t. »»>USING USER-SPECIFIED PIPESIZE««< i I =====================================::=======::-.::====::::::::========-:::c=::::=::::::::::=========== _,~, :~ < .' I' UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION - FLOWLENGTHtFEET) = 50.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA (CFS) = TRAVEL TIME(MIN.) = .04 250.00 247.00 MANNINGS N = .013 36.00 NUMBER OF PIPES - 60.90 TC(MI~.) = 12.00 1 •-*********i!'"*'"*'-*-ll-*********;)('**'****;**-*"*'';~'**"*'';* *·*"*·_)(·;..t*·*·***71·*·*·**·*··*·;** *'-***71·*""****-)1' ~.-)l.*.* LOW PROCESS FROM NODE 92.00 TO NODE 93.00 IS CODE = 2 ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<i«< ==========::::::::::::::::::::::=::::=-.::-.:::::=====::::::::::::=::::=::-.:::::::::::=::===.::::::::::::::::::::::::::::::::::::.,,:::::~':::::::::=::::=====::::::::::=::::=::=:::::::::;::;::::::::==:::::.:::==== SOIL CL(,~St3IFICIf..jTION IS liD" SINGLE FAMILY DEVELO~MENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.0q UPSTREAM ELEVATION = 294.00 I DOWNStREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 100 YEAR RAINFALL INTENSITY (INCHiHOUR) = 5.511 SUBAREA RUNOFF(CFS) .61 , TOTAL AREA(ACR2S) = .20 TOTAL RUNOFF(CFS) - 8.299 *****.***.***.** .. l(.""***.***.*.***.***.*****.****-*.* .. *;-***"*'-**'l('.1l.*.j('i!.******.****-**-*;*.*-******.*-l\.*** FLOW PROCESS FROM NODE 93.00 TO NODE 94.00 IS CODE = 6 --~-------------------~-----------------------------------------------------»»>COI"1PUTE STREETFLOvJ TR('WELTII'1E THt=i:U SUBAREA««< . , -' =====~====================================================================== UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 269.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 6~ STREET HALFWIDTH(F~ET) = 28.00 STREET CROSSFALl(DECIMAL) = .. 0200 • E)PEC I F I ED NLIt'IBEF-: ClF HAlFSTHEETS CARF.:Y I NG RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CPS) -8.18 STREET FLOWDEPTHCFEET) = .33 HALFSTREET FLOODWIDTH(FEET):::: 10.20 AVERAGE FLOW VELOCITY(FEET/SEC.) ::::: 3.53 PRODUCT OF DEPTH&VELOCITY :::: 1.17 STREETFLOW TRAVELTIME(MIN) = . 4.25 TC(MIN) = 12.54 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 4.221 BOIL CU'SBIFICf.")TION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAR~A AREA(ACRES) = 6.40 SUBAREA RUNOFF(CFS) -14.86 SUMt1ED AI=(EA U~CHES) .::::: 6.'60" TOTAL RUNOFF (CFS) = 15.47; END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) :::: .40 HALFSTREET FLOODWIDTH(FEET) -13.51 FLOW VELOCITYCFEET/SEC.) = 3.98 DEPTH*VElOCITY 1.58 J I .I ~. /. *************************************************************~************** FLOW PROCESS FROM NODE 94.00 TO NODE 97.00 IS CODE = ! 4 -------------------------------------------------------------T--------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAHEA««< f »»>USING USER-SPECIFIED PIPESIZE««< I ! ========::::::::::::::::::::=:::::=::::::::::~::::::::::=========::::::::::==:::::::::::::::::======::::==:::::::::==::::::::=::::::::=:::::===~::::::::::::::::::::::===::::::::===:::::::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITYCFEET/SEC.) =. 8.7 AJPSTHEAM NODE ELEWn I ON:::: 2(;;/). 00 ~OWNSTREAM NODE ELEVATION:::: 268.00 FLOWLENGTHCFEET) = 60.00 MANNINGS N = .013 . . I . .! GIVEN PIPE DIAMETER(INCH) :::: 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) = 15.47 .TRAVEl. TIME(MIN.)::::: .. 11 TC(MIN.)-... ··:{~f~ . :-. _ ';.~, ~ "".: . ~" . ;·'t}'{.,· :'. 12.66 . . ~'.' ,J~;~t~>o: . I _.:1' ",', •. .f., ,'; --- **************************************************************************** FLOW PROCESS FROM NODE 94.00 TO NODE 97.00 IS CODE ::::: 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ====:::::==:::::::::::::::======================================================~=========~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: _TIME OF CONCENTRATION(MINUTES)::::: 12.66 •'AINF?~LL INTENSITY (INCH. IHOUFO::: 4.20 OTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF(CF~) AT CONFLUENCE::::: 15.47 . ! **************************************************************************** FLOW PROCESS FROM NODE 95.00 TQ NODE 96.00 IS CODE::::: 2 -----------------------------------------------~------------------------~---»»)RATIONAl METHOD INITIAL SUBAREA ANAlYSIS;«« . ====:::::===:::::=:::::=========:::::::::::::::========================~=========:::::====:::::=:::::~========:::::~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.06 UPSTREAM ELEVATION::::: 280.00 DOWNSTREAM ELEVATION::::: 278.00 ELEVATION DIFFERENCE::::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5~511 SUBAREA RUNOFFCCFS) = .61 TOTAL AREA (ACRES) = . .20 TOTAL RUNOFF(CFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE 96.00 TO NODE 98.00 IS CODE::::: ~ _ ....... _---_ .. __ .. _-_ .. _ .......... _ ...... _-_ .. _ .. _ ... _---_._--, ..... _-_ .. ----._ ... __ .. _._-_ .. _ .. _-_ .. _._._-.. -._._--..:...--_....:._----_._ .. __ ..... _ ... __ ..... »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< . • ===========================================:::::::::===:::::::::::::::::::::::::::::::",;::::::-.:::::::==".":===:::c-::====::::::::::::::::::::::::::::::-.::=======:::;:=-==::::: UPSTREAM ELEVATION = 278.00 DOWNSTREAM ELEVATION:::: 244.00 STREET LENGTH(FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -4.88! STr-i:EET FLOWDEF'TH (FEET) ":::: • 2r:s HALFSTREET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELOC1TY(FEET/SEC.) -5.03 PRODUCT OF DEPTH&VELOCITY ::::: J.24 STREETFLOW TRAVELTIME(MIN) = 1.66 TC(MIN) = 9.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ::: 4.900 SOIL CLASSIFICATION IS "D" SINGLE FAMILY 'DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES) == 3.20 I SUBAREA RUNOFF(CFS) - SUMMED AREA (ACRES) i:::: 3.40 TOTAL RUNOFF(CFS) :::: END OF SUBAREA STREETFLOW HYDRAULICS: 8.54 r f DEPTH (FEET) :::: .30 HALFSTREET FLOODWIDTH(FEET) = FLOW VELOCITY(FEET/SEC.) ::: 5.45 DEPTH*VELOCITY = 1 • 6:';~ r r ,t ********'i('****'**********'*'*******'*'"**"****'*'************'**'**"*'-1('-1('***:1(.***"*.********** FLOW PROCESS FROM NODE 98.00 TO NODE 97.00 IS CODE? 4 _ _ __ . ___ . ________________________ . ____________ . __ . ________ ._._. ___ . ___ • ____ ....i __________ • ____ . __ ..... ___ • >:::-:::-:::-CO\'"lPUTE PI PEFLOW TRAVEL"fI \··iE THRU ;3UB?~F(EA-::: -::: < < -::: t ~~~~~USING USFR-SPErIFIED PIPESIZE<~<~< . " .' .' " .' '\ _..J """\' ' •• " • =. i ====::::::::::==:::::=:===::::::.::====:::::::::::::====::::::::::::::::::::::::::::::::::=t:::::::::::::::::::::;:=,:::::::::::::::::::::::::::::::::::::::::::::=::::=::' .. "!::::::::::::~-:::::::i====:::::t::::::::::::::::::::====::::: DEPTH QF FLOW IN 18.0 INCH PIP~ IS 10.1 INCHES t r' . PIPEFLOW VELOCITY(FEET/SEC.) == 9.1 UPp.T.8E;{~t1 NODE ELEWH.ION == 240. 00 , ~oC. •• ' ,'.~l.! • ,~'. ;.:, :".' I •• "'J-,;, . ~j,'~ • ~ ._t __ "'l ..• ".._ 1 I . !_ •• I ;.. • ......... _ I ................ I I ~ .:. .... : .. FLOWLENGTH(FEET) = 40.00 GIVEN PI I:::'E D I AI'1ETER ( INCH) "": PIPEFLOW THRU SUBAREAtCFS) = TRAVEL TIME(~rN.) = .07 ~ANNINGS N -.013 18~00 NUMBER OF PIPES - TC(MIN.) = 10.03 ~*************************************************************************** FLOW PROCESS FROM NODE 98.00 TO NODE 97.00 IS CODE = 1 . • ;;;~;.~~~~~~~;~-.. ~~~~~~~~;~~~~-.~~~;~~~~~-... ;~~-.-~;~~~;~~~~~~;~:;~:~~.~~::.-.. --.•. -.-... --.. ---.... ---.-.-.. _--_._._--- ====================================================================~======= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM :2 AHE: TIME OF CONCENTRATION (MINUTES) = 10.03 , RAINFALL INTENSITY (INCH./HOUR) = 4.88 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENcE = ***********************************************~**************************** FLOW PROCESS FROM NODE 88.00 TO NODE 97~90 Is CODE = 7 . . . -~--------------~------------------------------~----------------------------»»>U6ER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ::::::::::::::::::=========::==::::::::===:::::::::::::::::::::::::::::::=::::::::::::::::::::::::::::::=::::::::::::::::::::::::::::::::::::::::::::::::=I::::::::::::::::::::::==::::::::=::-.:::::::::::=:::.~=:::::::::::::::::====:::::::::::::::::::::: USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 12.00 RAIN INTENSITY(INCH/HDUR):= 4.34 TOTAL AREA (ACRES) -26.10 TOTAL RUNOFF(CFS) = 60.90 **.******.!t*.!t*.***-r.-*****.****.!t.*.!t'*'****-l< .. *.*.!t.**-l<-.*.*.l\--l(-o){"*.**.***.*"*******'***'l(-.*.*-r.-'*'l(-*****·l(-*·~f FLOW Pf;:OCESS Ff;:Dt1 NODE 88.00 TO NODE 97.00 IS CODE =' 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< > > > > >AND COl'"lPUTE VAF~ I OUS CONFLUEI\lCED STliE('U'1 \}ALUES< < <: < -::: .' .• ~~~L~~~~~=~~~~~~~~~~~~:=~~~~~~~~~~~:~~;~~~;==~~;~~;~~=:==;.=::~;~;====::::::::::=~==:::=:::==::~~===::== TIME OF CONCENTRATION(MINUTES):: 12.00 RAINFALL INTENSITY CINCH./HOUR):::: 4.34 TOTAL STREAM AREA (ACRES):::: 26.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE:::: 60.90 CONFLUENCE INFORMATION:. STREAM RUNOFF TIME INTENSITY NUI"IBEF~ C CFS) (M IN.) ( I NCI-·II HClUrU 1 15.47 12.66 4. 197 2 9. :23 10. (X~ 4.B77 :5 60.90 12.00 4. ::::;.l~4 , J ! 1 ~ RAINFALL-INTENSITY-RATIO CONFLUENCE FoRMULA USED FOR VAR I OUS CONFLUENCED F~UNOFF VALUES ARE PIS FOLLOWS: 3 STREAI~1S 82.24 76.78 84.06 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 84.06 TIME(MINUTES) -12.000 TOTAL AREACACRES) :::: 36.10 j ~, /. t " , i r I ! '*'***********-)!o.)!o******'*"l!'*'******'**'***'*'****'~"** .. *.1(''*''*'*')1''*'****')1'*')1'*.)10'*':*''*.***'-1\ .. )( .. *****.***** FLOW PROCESS FROM NODE 97.00 TO NODE 206.00 IS CODE ~ 4 ------------.-------.-------.--.-------"--.. ------.----.------.. ---------.-i----------------- e»»COMPUTE PIPEFLOW TRAVELTIt1E TI·-IRU SUBAF~EA««< i .»»>USING USEf·;:-SPECIFIED PIPES.IZE««< : . . I • r . ======::::::::=::::=:::::::===::;===========:::::::::::=:::::!==:::::.,=:::::::::::::::::::::::::=:::~':!:::::::::::=::::::::::::::=::::::::f=~.=:::::::~':!:::::::====::::::::==:::: DEPTH OF FLOW IN 36.D INCH PIPE IS 16.1 INCHES ' : PIPEFLOW VELOCITY(FEET/SEC.) :::: 27.6 . .... UF'.SJ~g.~~~. ~o.J.-?E EL7:~.:~~TI,9'~~ir',:::\·! ;1·~~i9.~ O;~~, '; .... ' , ...... ': ... , ... '.:,' .. ,,:.v,; .... : ... '.< •. :.:,,'.' •••• , ... '(:· •••• ·::f,.·.--'.: "'~:' '~. -:'·:}.~f,f{\.~r~.~,;,,'.~ .. ,1.:/' ... ~', 11:'~I:·~t,'·;1'~}~J.~~:rt:· .. '7:·y ... ~:~ .... tttt:·:c· ... "/"1\ ,/,,~. ~-".':. r _. __ FLOWLENGTH(FEET)::: 225.00 ~ANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) ::: 3b.00 NUMBER OF PIPES - 1 PIPEFLOW THHU SUBAHEA (CFS)::: GB. ® TRAVEL TIME (tTlIN.)::: • ~4 6~~~~ P#~:S~.r G;t2;,;W p~4/At 8/L~ p;4,.etVe~ . .e#N~rr /G ,P/~.R't!F'P UP;I/ P#A~E...zz; (6~ /#."q ~£,4;<./ SRT. W' ..:Y~,) **************************************************************************** FLOW PROCESS FROM NODE 206.00 TO NODE 130.00 IS CODE::: 5 .;;;;~~~;'~~~-~~~;'~~;i~~~~~~~~~;~~~-;~;~~~~:;~;:~·-·-·-------------------.-.------.-----.--------.~--- »»>THAVELTIME THHU SUBAREA««< ~:::==:::=====:::=:::==:::=====:::====:::===:::=:::=::::::=:::==::::::======~:::=:::=:::::::::===::::::==::::::::::::~=~:::=:::=~= UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION::: 126.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CH~1NNEL BASE (FEET>:::: ~5. 00 "Z" F(.iCTOH::: ;2.000 1"1ANNINGS FACTOR = .035 l'1AXII'1UI'1 DEPTH(FEET) '-5.00 CHANNEL FLOW THRU SUBAHEA(CFS)::: 84.06 FLOW VELOCITY(FEET/SEC) = 11.95 FLOW DEPTH (FEET) - TRAVEL TIMECMIN.) = 1.39 TCCMIN.) = 13.53 , I *'********'****'*'**'******'***'*'*'*-lC-'***'**'~~-lC.'*'l(-***';-"*·lE··*·l<-·JIt-l<-*·****'*·*-lf***1<-*·l<-*·***1<-******-It':** FLOW PHOCESS FROM NODE 206.00 TO NODE 130.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STHEAM FOR CONFLU~NCE««< ::::;::::::::::::::'==::::::=:::::::::::::::::::====:::::::::::::::-'::::==:::'.:::::===:::::::-.:::::::::::.'t::=:::::::::::'.::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::=:::::::::::::::::::::::::::::::::::::~==::::::::::.:::::':;::=,:::::::::::::;:::::::-:::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 13.53 RAIN~ALL iNTENSITY (INCH./HDUR) = 4.02 TOTAL STREAK AREA (ACRES) = 36.10 TOTAL STRgAM RUNOFFCCFS) AT CONFLUENCE = 84.06 .******'**'*''****'**'*****'If'*'*'*'lf'**'**'*'lf'lf'*-lC-'**.**.y,--l';.*.*.*,***.***.***.*******~-.l{-**.***.*.****** FLOW PROCESS FROM NODE 132.00 TO NODE 130.00 IS CODE = 2 ----------------------------------------------------------------------------)-)->)-)-RAT I ON~~L t'IETHOD I NIT I f~L SIjB~1nE?-'t ('~Nf:iL VB I SO::: <: < < < ==;~;~=~~=;;;;;~=;;~~:::;;::::~:========:::============:::============T============= RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATUR0L WATERSHED NOMOGRAPH. TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.46(MINUTES) INITIAL SUBAREA FLOW-LENGTHCFEET) -1500.00 UPSTREAM ELEVATIQN = 360.00 DOWNSTREAM ELEVATION = 126.00 ELEVATION DIFFERENCE = 234.00 100 .YEf~R. RAINFALL .. H.lTENSITY (INCH/HOUr:n -~5. 853 SUBARE1~ RUNOFF (CFS) = 81 • 8~5 TOTAL AHEA(ACHES) = 47.20 I TOTAL RUNOFF(CFS) = .1 i J 81..8;S ,. , . *************************************************************~************** FLOW PROCESS FROM NODE 132.00 TO NODE 130.00 IS CODE = i 1 t -------------------------------------------------------------r--------------)-»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I I ::;=========:::========================:::::::::::::::::::::::-.::::::::::::::::::::::::===:::====::::::::::::::::====:"======::.:=======::::: CONFLUENCE VALUES USED FOR INDEPENDENT STHEAM 2 AHE: _ TIME OF CONCENTRATION (MINUTES) :::::' 14.46 ~INFALL INTENSITY (INCH./HOUH) = 3.85 OTAL STREAM AREA (ACRES) = 47.20 TOTAL STREAt'1 nUNOFF CCFS) ?H c()t\ifLUENCE --81.83 ! / , i ~ ... '-;-*·***·~*'.~**·If*·*·f"*-l'(-'*~*'**~******·'l~*,*::*:,!,***~<-·**·*·*'l\~·Yr**·**.J("*·!(-:l5:*~lt·***,l(.'lf~-*·*,~If'**'*-l'''·*'*'*'lE-'*'**'~.~:lE: . .J(- . . :;~ .~~. • : " . ~', . t. :: ~ ~~: ;~: "~.". ,.1;. . .; . '. .' . J~' ~.~, . o • __ ,_.' .' '. I: .. ~.~ _. I... • ~_ 'OM. : ~" , __ • i; I ~ •• ,_, ,_l '_" .j. _". ," == ,,_" ...•.• .I. _, l,..: _ ..• :.,1..... '" ---------------~----------------------------------------------~-----------~-. .. -., \ »»>USER SPECIFIED HYDROLOGY INFORNATION AT NODE««< ~========================================================================~~= USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.30 RAIN INTENSITY(INCH/HOUR) = 4.07 TOTAL AREACACRES) = 36.50 TOTAL RUNOF~(CFS) = 84.00 •******-l(-*.******-l(-*.*.iE-*.***.;;-*.)(-*-K-**.**.)(-*.iE-.*.~:*-t::·**·*·*·k·~·*·l(-·**·******·**·***·**·**-K-*·~**·**.**.* ·LOW PROCESS FROM NODE 127.00 TO NODE 130.00 IS CODE = 1 --------------------------------------------------------------------~~------»»>DESIGNf4TE INDEPENDENT STREAr'l FOH CONFLUENCE<:«« >:> > > >AND CONPUTE VAH I OUS CONFLUENCED STHEAl'1 ',,'ALUES< < <: -::: < ==============================================~===================~========= CONFLUENCE VALUES USED FOR INDEPENDENT 6TREAM 3 ARE: TIME OF CONCENT~ATION(MINUTES) = 13.30 RAINFALL INTENSITY (INCH./HOUR) = 4.07 TOTAL STREAM AREA (ACRES) = 36.50 TOTAL STREAt'l RUNOFF (CFS) AT CONFLUENCE ::::: 84.00 CONFLUENCE INFORMATION: STREAM RUNOFF TINE Nur'IBER C CFS) (t'l IN. ) INlENSITY ( I NCI-·II HOUR) :> ----------------------------------------------~----------~---~-------~----~-1 84. 06 13. ~j::::; 4. 020 2 81 . 8"":!" ~'-' 14. 46 3. 853 3 84. ()() 13. 3() 4. 06!;.'S HAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STAEAMS VARIOUS CDNFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 245.55 241.99 244.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS~ RUNOFF (CFS) = 245.55 TIME(~INUTES) -13.530 .-OTAL AHEA (ACRES) = 119. 80 **************************************************************************** FLOW PROCESS FROM NODE 130.00 TO NODE ~07.00 IS CODE = 4 ------------------------------~-----------------------~-------T-~-----------»»>COMPUTE PIPEFLOW TRAVELTIME THHU SUBAHEA««< ' »»>USING USER-SPECIFIED PIPESIZE««< . ==============~=====~==============================~==~===================== DEPtH OF FLOW IN 54.0·INCH PIPE IS 26.0 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 32.4 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAN NODE ELEVATION = 120.00 PLOWLENGTH(FEET) = 60~00' MANNINGS N = .013 GIVEN PIPE DIAMETEH(INCH) = 54.00 NUMBEH OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 245.55 TRAVEL TIMECMIN.) = .03 TC(NIN.) -13.56 1- : ! I 1 l ~ ! . .~. I· I I . *************************************************************t************** FLOW PROCESS FROM NODE 123.00 TO NODE 124.00 IS CODE = I 2 -... -..... ---------------.-----.--.. -----.----.-... -,-.---... ---.---.---.... ---.-.----------.-----.-----f..------..... ----~----~ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSrs««< 1 ! :::::===============================:::==:::::::::=;:::===;:::=:=======:::==:==-:::==========.:::;==========:;:::== SOIL CLASSIFICATlm~ IS "0" 'RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 • l\IATUHAL W?HERSHEP NOl10GR?\F'H TH·1E DF CONCENTRATION WITH i(i-I"IINUTES ADDED ='. 1.2~ 35 <t''lINUTES) . . INITIAL SUBAREA FLOW-LENGTHCPEET) -650.00 UPSTREAM ELEVATION = 275.00 DOWNSTREAM ELEVATION = 175.00 FIFvATTnN DTFFFRFNrF = ~Dn_nn ... : ".~~::: ;~~'" '. \:..~ .::. ... ~ ,~' .. !'";'f~~ ::~'~::_;~~':"~-_: ~~:;.~';-;;~\., , .. ::. _ .;·:,.,I~· .. :.. '.~:):.;~ ..... t,'->. . . ~ ~: "~"'~" " . :~: : ~;;~ ~ >., -• .i : ,', .... ,_ .. ' ---w en « ::r: a. , . '.:.;' . .!.. 00 00' l lo ••• t ••• I •••• ,. 'II I, 11.0 .. I.... ... ,', , ..... 1 '!' .. ~'.~ I l 'w':, j ., ...... : I: ; , ...... _;. \ : 'j " .~ ........ '1 SUBAREA RUNOFF(CFS) - TOTAL AREA(ACRES) = ~.40 TOTAL RUNOF~(CFS) -10.36 **************************************************************************** FLOW PROCESS FROM NODE 124.00 TO NODE 125.00 IS CODE = 4 ---------------------------~------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< . • .. " " "ucINf USET cFECIFIE'D F If"'E~I ZE"" " , , , -~~~~=:==~===~~::~~=~==~==~~:~~=~~~~~~~=================================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 175.00 f DOWNSTREAM NODE ELEVATION = 169.00 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER or PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) -10.36 TRAVEL TIME(MIN.) = .33 TC(MIN.) = 12.6~ **************************************************************************** FLOW PROCESS FROM NODE 124.00 TO NODE 125~00 IS CODE =' 1 , ~ -----------------------------------------------~----------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUSNCE««< -, ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: T I 1~1E OF CONCENTRAT I ON (1'1 I NUTES) = 12. 69 RAINFALL INTENSITY (lNCH./HOUR) = 4.19 TOTAL STREAM AREA (ACRES) = 5.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -10.36 **********************************************************~***************** .:~~-~~~::::-:~~~~~ .. -~~~~:---~:~:~:~~-~~~-.~~~:, .... ,.-~::.:~~~-::-:~~:,-:,---~:-.------.----,- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==================================================~========================= SOIL' CU~S'S'IFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.88(MINUTES) IN I T I AL SUBAREA FLOW-LENGTH (FEET) --80.0. 00 UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 170.00 ELEVATION DIFFERENCE = 110.00 100 YEAR RAINFALL INTENSITY (INCH/HOUR) -4.150 SUBAREA RUNOFF(CFS) -5.98 i 1 I TOTAL AREA (ACRES) = 3.20 TOTAL RUNOFF(CFS) -5.98 I i , k' ******'************************~******************************~************* FLOW PROCESS FROM NODE 127.00 TO NODE 125.00 IS CODE = 4 -.. --.-----.. ---.. -...... --.. --.-.. -............... --.---.. --............... --.. -.. ·--.. --.. -.. ·-..... · .... --.. ·~--..... -.. -.. · .... ---.. ·--.. --~--r~-· .... ----........ ----.. -.. -... »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ) »»>USING USER-SPECIFIED PIPESIZE~«« f :'-::=======::====7":::::::::::::::::::::::::::::::::::::::::::=======::'-:::::=7,:::::::::=:::::::::::::::;::::::::::::::::::::::::::::::::::::::::::::::::::-.::::::::::==::::::::::::::=:::::9::::::::::::::::-.::::::==::::::::::::::::.::::::::::::, DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 7.5 ..uPSTREAI'1 NODE ELEVAT I ON = 170:.00 •O~JNSTf\EAI'1 NClDE ELEVATION = 169.00 LOWLENGTH(FEET) = 50.00 M~NNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = lS~OO NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -5.98 TRAVEL TIME(MIN.) = .11 TC(MIN.~ = 12.99 " I i 1 -- w en ~ a. '*"k -l(-.j€-.j€-.*~~ *')i'r 'il:-'*'*.j(-.~;..*;;;-* .* .* ·j(-·k·k .::.~ *.*.* * -)<;. *.;;-'1';' '*,:* .j(-* ~k'* * .~;. -ji .• * ~~ * .j(--x-'*'*.lE-*.* .y,_.lE--r~.;;-*.*.* *.*.y,-*"*. -iI. * 'l{-·if .:r~.* * -1(-~~ *.* .* * .y: FLOW PROCESS FROM NODE 127.00 TO NODE 125.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =====================================================~=====~~=======~======= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM -2 ARE: TIME OF CONCENTRATION (MINUTES) = 12.99 '.'AINFALL INTENSITY (INCH.I.I'-IOUR)::-~ 4. 1:~:: rOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.98 CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUt1BER (CFE:i) (til IN. ) I NTEI''-ISITY (INCH/HOUR) ~ .------------------------------------------------~------------~--------------- 1 10. :36 5. 'i8 12.69 12.99 4.191 4.127 ! RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED ~OR 2 STREAMS VAR I DUS CqNFLUENCED I~LJNOFF ,VALUES (~Fi:E r::lt3 FOLL~'OWS: 16.24 16.18 ' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS~ RUNOFF (CFS) = 16.24 TIME(MINUTES) -~2.686 TOTAL AREA (ACRES) -8.60 -l(.*.*.******-l(.***'*.**'*.*************~l(.***.**.**'*.~J!.*-x·".>!·-X--l(·*****-x-*******·*-l(·***-)!··;~~*-)!·*****·**** FLOW PROCESS FROM NODE 125.00 TO NODE 128.00 IS CODE = 4 ------------------------------------------------------------------------~---»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPEC~FIED PLPESIZE««< , , =~========================================================================== • )EPTH OF FLm'-l IN 24.0 INCH PIPE IS 'IPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 169.00 9.0 INCHES DOWNSTREAM NODE ELEVATION -145.00 FLOWLENGTHCFEET) = 350.00 MANNINGS N -;013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 16.24 TRAVEL TIMECMIN.) = .38 TC(MIN.) -13.07 :l ***********************************~**************************************** FLOW PROCESS FROM NODE 125.00 TO NODE 128.00 IS CODE = .1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I I i ==========~=================================================~=~============= CONFLUENCE VALUES USED FOR I NDEPENDENT STRE('~1-1 T I ME OF CDNCENTRAT I ON (t'1 I NUTES) '= 1 ~5. 07 RAINFALL INTENSITY (INCH./HOUR) = 4.11' TOTAL STREAM AREA (ACRES) = 8.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 1 ARE: 16.24 t ,i , .~. /. I , 1 Or r t ***********************************************************~*~************** : ~ FLOW PROCESS FROM NODE 129.00 TO NODE 131.00 IS CODE =: 2 -------------------------~--------------------------------~-----------------.~~~~~~~!~~~;;=~:~~~~=!~!!!~;;=:~~~~:~=~~~:~:!::::::======L=============== -SOIL CLASSIFICICjTION IS "D" , ;, ' INDUSTRIAL DEVELOPMENT RUNOFF ciOEFFICIENT = .9500 J i. I NIT I AL SUBAREA FU.lvJ-LENGTI-H FEET) .--11. 00. 00 . : UPSTREAM ELEVATION = 243.00 DOWN8TF~EAI'1 ELEW4T I ON ::: -145.00-I -' ~~---, , ~ .. : .. : .. ~ "'$~~~:"~'''' ':':~: " '.: ., I··t.~·. :.~:·"'~·:·"~!~r-··I··· . . :: .' ... ~ .. '1:~~~.;j~~~~~.~. :: :?':, .~ l".' I .\. • • " .' --- ~.", ~ .. N .. " , ~ I ,j, '.N:.. • ... i. it ..... : " '-... ! -: \ ... :., .. . ~, ... , ........ . URBAN SUBAREA OVERLAND TIME ,OF FLOW(MINUTES) == -x-CAUT I ON: SUBf4REA SLOPE EXCE"[::.DS CDLH\(TY 1\IOl"IDGHAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTHAPOLATtON OF NOMOGRAPH 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.721 SUBAREA RUNOFF(CFS) = 5.44 .'OTAL AREA ((4CHES) = 1 . 00 TOTAL RUNOFF(CFS) = 7.830 USED. ~i. 44 ******************************************************************~********* FLOW PROCESS F~OM NODE 131.00 TO NODE 128.~O IS CODE = 4 -----------------------------------------------~-----------------------~----»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««( »»>USING USER-SPECIFIED PIPESIZE««< =================================================t============================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.5 ' UPSTREAM NDDE ELEVATIDN == 145.00 DOWNSTREAM NODE ELEVATION = 144.00 FLOWLENGTH (FEET) == 24.00 l"lANNINGS N::: .'01::::; GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBERfOF PIPES - PIPEFLOW THRU SUBAREA(CFS) = 5.44 TRAVEL TIME(MIN.) = .04 TC(MIN.) == **************************************************************f************* FLOW PROCESS FROM NODE 131.00 TO NODE 128.00 IS CODE == 1 ----------------------------------------------------------~-----------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREf."il"1 TIME OF CONCENTRATIONCMINUTES) ~ 7.87 • "(AINFALL INTENSITY (INCH./I"-lOUFn:::: 5 .. 70 -OTAL STREAM AREA (ACRES) = 1.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 2 ARE: 5.44 " , **************************************************************f************* FLOW PROCESS FROM NODE 133.00 TO NODE 134.00 IS CODE = "2 --------------------------------------------------~-------------------------»»>RAJIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==================================~========================================= SO'IL CLAE;SIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH (FEET) = 1100.00 UPSTREAM ELEVATION = 243.00 DOWNSTREAM ELEVATION = 145.00 ELEWH I ON DIFFERENCE ::'.:: 9E3. 0<) URBAN SUBAREA OVERLAND TIME GF FLOW(MINUT£S) - *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. E~rRAPoLATION OF NOMOGRAPH 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.150 SUBAREA RUNOFF (CFS) -14.11 TOTAL AREA(ACRES) = 4.00 TOTAL RUNOFF (CFS) = 12.881 "~" r i t f USED. i r ! l :lA./11 , j .. ***.***,*****.****.*"**"*****************~.**"),~*"**"***'It**.************************* ~'LOW PROCESS FROM NODE 134.0qTO NODE 128.00 IS CODE~, 4 . --------------------------------~-------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTI~E THRU SUBAREA««< ~ t- »»>USING USER-SPECIFIED" "PIPESIZE««< -- w "en ~ a. l .t. ~ I.'Ml 'MM· .... ·!\· : l. ... l ....... ! .... _. 1 ; • I 1._.10 ... ~ I •• :_110 ... • ... ; II I _.. l:.".:" .... UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = FLOWLENGTHCFEET) = 60.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) - TRAVEL TIME(MIN.) = .13 1Lj.~.OO 144.00 MANNINGS N = .013 18.00 NUMBER OF PIPES - 14. 11 TC (I''1I N.):::: 1:3. 01. 1 e* ** ** * 1(. * * * * oj( •• j(. * oj(. ~* 0)(. * * * * 0)(. oj(. * oj(. * -)(-,"* * .. )l. i(. -*. -J(. -)(--1~ ~~."J!-* oj(. * -)(--)t. -)t •• lE-i(. ,* ,1(. *. * -)(-";(0 -)(-.;~ •• *. *. -l'!. * *. ,1(. -)t."* -)(--)t. *".* -)\. ~i!. -l'! •• * *".* *-)(- ·LOW PROCESS FROM NODE 134.00 TO NODE 128.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENeE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VA~UES««< ::::::::::::::::::::::-::::::::.:::::::==::::::::::::::::::::::::::::::::::===::::-.:::::::: .. -::::::::::::::::::::::::::::::::::-.:::::::::::::::;:::::::::::::::::::::::::::::==:::=::::::::::::::::====::::::::::::.::::::::;-:.:::::::::::::::::::.::::::::::::::::===:::= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 13.01 RAINFALL INTENSITY lINCH./HOUR) = 4.12 TOTAL STREAM AREA (ACRES) = 4.00 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = ~4.11 CONFLUENCE INFORMATIONu STREAM RUNOFF TIME INTENSITY NUI'mER (CFB ) (I''1I N.) ( INCH / HOUR) ----------------------------------------------~----------------------------- 1 16.24 :l3.07 4. 1Ll 2 5.44 7.87 5.7(;2 3 14. 11· 13.01 4. 124 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 34.2::':: 2'7.35 ~!.4. 23 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) ~ 34.23 TIME(MINUTES) -13.006 .orAL AREA(ACHES) = 13.60 *******************************~*****************~************************** FLOW PROCESS FROM NODE 128.00 TO NODE E07.00 IS CODE = 4 -... __ ._--_._-------_. __ . __ ._--------_.-:-._-_ .. _.-. __ .--.-.-------.---.-.-.--------;..----.---~---...:.--j-.-.---------_ .......... »»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< =========~========================================================~======~=~ DEPTH OF FLOW IN 54.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.5 UPSTREAM NODE ELEVATION = 144.00 DOWNSTREAM NODE ELEVATION = 138.00 FLOWLENGTHCFEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPEFLOW THRU SUBAREACCFS) -34.23 TRAVEL TIME(MIN.) = .10 TtCMIN.) -13.11 PIPES = I I 1 1 I .~ . , /- . "*.**.******.********.***o)(.*******.****,**.****.* .. :>!.~}(·*·**·*·******';I\-**·**-1I·*-)(-,'***l***-x.**.*.*.***1(.*-*. FLOW PROCESS FROM NODE 128.00 TO NODE 207.00 IS CODE =:= I 1 -----------------------------------------------------------~-1--------------»»)DESIGNATE INDEPENDENT STREAM FOR CON~LUENCE««< r I ===========================================================~=~============== CONFLUENcg VALUES USED FOR INDEPENDENT STREAM 1 ARE: ~. I t1E OF CONCENTRAT I ON C t1 I NUTES)~: 13. 11 INFALL INTENSITY (INCH./HOUR) = 4.10 ·OTAL STREAM AREA (ACRES) = 13.60 , TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 34.23 -~-'40.>J.;~.>J..>J.:l!-.v;.{4:*4!.~:.fl..:,s . .fl..:,s.:'i-~*.~+*41.*""':<J.+++".:"l..f.+-*+* .. ~*-l«.***-l\.*"* .. *.*"*.*~:.**/}( .. **-l(.*-lE:'*."}(.-~*.*******.-)!.-)(.~}(·";(o.t*,* . . ~i~~~';~,., '. '". 1 :."."~~;'..' ,~tl:~_·: .:, lrl : •.. ' . "'I~~~';~' -... w tJ) « ::t: a. 1~ L_\...I ... :.~ " l"\!..J\..lC .. :.:.;· • ..1 I \""-.,-li'i ,"-i< .. JI .. ;L. .. .L ....... )" ' ••• J ..... I i ... : '·'-l,I ... }J..lt::. . --------------------------------~------------~----------------------------~-»»>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ======*====================================================~================ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 13.56 RAIN INTENSITYCINCH/HOUR) = 4.01 TOTAL AREA(ACRES) = 119.80, TOTAL RUNOFF(CFS) = 245.60 ~******************,*',*'****-)£',*,*,*"*,*,,*,*,*,-)!,,-)(,,*,,*'*'-)('0)('***'1(,,*,*,*,****,*,'\-,*-)(,*****,)1"*")("*'*''*'''*,,*,~,**,*, ~LOW PROCESS FROM NODE 130.00 TO NODE 207.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT' STREAM FOR CONFLUEN~E««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VAlUES««< ===~======================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION (MINUTES) = 13.56 RAINFALL INTENSITY CINCH./HOUR) ~ 4.01 ~~RE: TOTAL STREAM AREA (ACRES) = 119.80 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = ?4'o:::, J,n ..... Wa C;) .. CONFLUENCE INFORMATION: STREAM RUNOFF TIME NUMBER (CFS) (MIN.) INTENSITY ( INCH/HOUR) ---------------------------------------------------------~------------------1 34·. 2~~ 2 24~i. 60, 13 .• 11 13.56 4. 10·~ 4.01!5 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 274.51 279.09 COMPUTED CONFLUENCE ~STIMATES ARE AS FOLLOWS: F~UI"()FF C CFS)::::: 279. 09 '1' I 1'1E (1"1 I NUTES) --' 13. 560 TOTAL AREACACRES) = 133.40 • **************************************************************************** FLOW PROCESS FROM NODE 207.00 TO NODE 135.00 IS CODE: 4 --------------------------------------------~-------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =================================:::::=============================~============ DEPTH OF FLOW IN 54.0 INCH PIPE IS 33.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.3 UPSTREAM NODE ELEVATION = 138.00 DOWNSTREAM NODE ELEVATION = 106.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFSl ~ 279.09 TRAVEL TIME(MIN.) = .40 TC(MIN.) -13.96 . ! :l. I J i :' I ~, " **************************************************************************** FLOW' PROCESS FROM NODE 207.00 TO NODE 135.00 IS CODE = J 1 -------------------------------------------------------------i--------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< r ===========================================================b:::::=============== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 13.96 .AINFALL INTENSITY (INCH. /I'iOUF\:)::::: ::::;.94, ~OTAL STREAM AREA (ACRES) = 133.40 TOTAL STREAN RUNOFF (CFS) AT CON,FUJENCE ,-.. 1. ARE: , . i l ************************************************************************~~~a ¥,;ll,:,' ""/ ' " ::-,: :<.S' " ,;~:)~. ,\ },,'.!:, .. :!t:/!:'",' -- ---------------------------------~------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================================================~============ SOIL CLI~SSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEF~:ICIENT = .4500 NATURAL ,WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.34(MINUTES) INITIAL SUBAR£A FLOW~LENGTH(FEET) -1200.00 • l.JPSTREf,~t1 ELEVATICH\j :::: 250.00 DOWNSTREAM ELEVATION = 122.00 ELEVATION DIFFERENCE = 128.00 100 YEAR RAINFALL INTENSITY (INCH/HOUR) -~.872 SUBAREA RUNOFF(CFS) -19.86 TOTAL AREA (ACRES) = 11.40 TOTAL RUNOFF(CFS) = ~ 1 19.86 **************************************************************************** FLOW PROCESS FROM NODE 137.00 TO NODE 135.QO IS CODE = 4 , , ---------------------------------------------------------------------~------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ , DEpTH OF FLOW IN 18.0 INCH PIPE IS 13.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13~8 UPSTRE:AM NODE ELEVAT I ON = ' '122. 00 DOWNSTREAM NODE E~EVATION = 106.00 FLOWLENGTH(FEET~ = 325.00 MANN1NGS N -.013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPEFLOW THRU 5UBAREA(CFS) -19.86 TRAVEL TIME(MIN.) = .39 TC(MIN.) = 14.74 PIPEH = -I **************************************************************************** FLOW PROCESS FROM NODE 137.00 TO NODE 135.00 IH CODE = 1 .;;;;~~~~~~~~~~~~~~;~~;~~~~~~-·S~;~~~~;-;~~-~;;\~;~~~~~~~~~~~------.-.-~--~-.~-.---.--- »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================~=============~================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 14.74 RAINFALL INTENSITY (INCH./HOUR) = 3.81 TOTAL STREAM AREA (ACRES) = 11.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) EMIN.) (INCH/HOUR) , J I ------------.---.--.--------.--------------... -.. -.-.-.--·---·--·-·---------..... --1-------·------ 1 279. 09 1::~. 96 ~5. 941 !\ 19.86 14.74 I ~- I- i RAINFALL-INTENSITY-HAlla CONFLUENCE FOj=;:l"lI..IL'::~ USED FOR 2 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: f:lTREAt·m t 1 298. 27 289 • 3~3 i COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 298.27 TIME(MINUTES) -13.957 t , I I f ; TOTAL AREA(ACRES) = 144.80 , , . ' i ~ :' '*.*-l!'***'**'**'*.*.}io'*'***_l(.*'*"~**_l('****'*'*~.***'*.*'*''*'"'*")('**-*'***,*'***_l('*****?1'************'*'*** OW PROCESS FROM NODE 135.00 TO NODE 138.00 IS CODE = 4 ' ----~·-Jf-~~-------~----~-----,', •. ""I,f,.·,· •.• ~,' -~:~~·~·~~:---~----i.f-,·.~~~-;;:l:-~-~~,------~t .. ;. . ~~S·"; i!tf ~.. :.'" .; . . ~ -, . . .'., ' .... - , i I UPSTREAM NODE ELEVATION = 106.00 DOWNSTREAM NODE ELEVATION -\ 95.00 FLOWLENGTHCFEET) = 300.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH) ::: 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS)::: 299.27 TRAVEL TIMECMIN.)::: .20 TC(MIN.) = 14.16 •~Il'*******"*'***-)(-**-X-"*'******'*";*~A'*~l!"~'****'*'*''*"*-~'*'('"*'"*"*"*'*"*'~~'**-~~A'-)!"*--**"*"*-)(-*'-X"*"i!'*~k**~k****** LOW PROCESS FROM NODE 135.00 TO NODE 138.00 IS CODE::: 1 ..... -..... -------..... --............ -..... --..... -............ -.. -..... t-...... -................ _ ............ _ ..... -...................... _ ....... _ .... _-_._ ..... _ ....... _ .. ---OOJ" .. -....... -----........ -..... -..... -..... --.............. -- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::::::::::::::::====:::==:::=::::::===::::::=:::::::::::::::::::::::::=:::::::::::::::::-.::==::-;::::::::=::::::::::=::::~=::::::::::::====.::::::";::::::=:::";:::::::::====::::::::-.:::::::-.: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES~ = 14.16 RAINFALL INTENSITY (INCH./HOUR)::: 3.90 TOTAL STREAM AREA (ACRES)::: 144.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -298.27 **************************************************************************** FLOW PROCESS FROM NODE 139.00 TO NODE 14Q.00 IS CODE =. 2 > ----------------------------------------------~-----------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSI$««< ::::::::::::::::::::::::=::::::::::::=:::::::::=::::::==::::::=:::::::::=:::=::::::::==::::::::::::====::::::=::::==========:::==:::=======:::::::::===== SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::: .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.09(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -1000.00 UPSTREAM ELEVATION = 145.00 bOWNSTREAM ELEVATION = 96.00 ELEVATION DIFFERENCE = 49.00 100 YEAR RAINFALL INTENSITY (INCH/HOUR) -3.747 • UBAREA RUNOFF(CFS) ::: 9.27 'OTAL AREA(ACRES) = 4.50 TOTAL RUNOPFCCFS) -9.27 **************************************************************j************* FLOW PROCESS FROM NODE 140.00 TO NODE 138.00 IS CODE = 4 . . . ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 : UPSTREAM NODE ELEVATION = 96.00 I J DOWNSTREAM NODE ELEVATION = 95.00 1 , FLOWLENGTH(FEET) = 24.00 MANNINGS N = .013 I F GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) -9.27 1 , k· l- TRAVEL TIME(MIN.) = .04 TCCMIN.) -15.13 f t . ! *************************************************************f************** FLOW PROCESS FROM NODE 140.00 TO NODE 138.00 IS CODE = i 1 ---_ .. _---------_ ..... _ ..... _ .. _-----_ .. _-_ .. _-----------.. _-_ .... -...... -.--.. -.. --..... ---------'-.. ~~---------.--.. --..... »»)DESIGNATE INDEPENDENT STREP,N FOR CClNFLUENCE««< ; ==========================================================~==============:::== r , • ONFLUENCE V{~L..UES USED FOF< INDEPENDENT E;TRE?-)t'l 2 ARE: . IME. OF CQNCENTRATION(MINUTES) = 15.13 RAINFALL INTENSITY (INCH.jHOUR)~::: 3.74 j TOTAL STREAM AREA (ACRES) = 4.50 t- TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -9.27 • f " .~ '" -- w U) « :r: tL **************************************************************************** FLOW PROCESS FROM NODE 141.00 TO NODE 142.00 IS CODE = 2 »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CU1SSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 • Ur'::'STREAI"1 ELEVATION = 160.00 DOWNSTREAM ELEVATION = 145.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF. FLOW(MINUTES)i= 9.246 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOG~APH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.1~0 SUBAREA RUNOFF (CFS) = .~7 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) = .57 ***********************************************~**************************** FLOW PROCESS FROM NODE 142.00 TO NODE 143;00 IS CODE =. 6 --........... ----.......... --........... --..... -.----.--.. --.. --.......... -.-........... _ .. _ .. _ .. _ .. _ ....... _ .. _ ................. _ ........ -............ _ .. __ ....... __ .-·-·-·-· ..... --.. r-.. --·--.. ----·---- '. '. '. ". ". CCJI"'F'UTE S'1-r::'EE1-FLOI" l-R-'AV'EI 'r I 1·.1[ 'rljl-"U r"1 J1" AF.I[-'" .' .' .' .' .' ,,:' ,,:' ,,:-•••• •••• I -I -... fO\ -v.., .. _ -I .... " "\ \::'.. .::>1 "<.:. ("1 ':" ':" .:" ':" ':" ============================================~=~==========~===9===========~== UPSTREAM ELEVATION = 145.00 DOWNSTREAM ~LEVATION = STREET LENGTH (FEET) = 1100.00 CURB HEIGTH(INCHES) = 6. STRE£T HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DECIMAL) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 ('16.00 = '.0200 **TRAVELTIME COMPUT~D USING MEAN FLOW(CFS) - tnF<EET FLDWDEPTH (FEET)::::: • ~'::;2 '5 • .04. HALFSTREET FLQODWIDTH(FEET) = 9.59 AVERAGE FLOW VELOCITY(FEET/~EC.) - PRbDUCT O~ D~PTH&VELbciTY ::::: 1.54 L~. 86 .TREETFLDW TF~AVEL T I 1'1E (I"I IN) = ~~;. 78 TC (M IN):::: 1::;:;. (:)2 100 YEAR RAINFALL INTENSITY (INCH/HOUR) ::::: 4.121 ~30IL CLAsSIFICIHION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 SUBAREA AREACACRES) = 3.90 SUBAREA RUNOFF(CFS) = 8.84 SUI"1MED AREA (ACRES)::::: 4.10 TOTAL HUNOFF (CFS) = 9.41 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .37 HALFSTREET FLoobWIDTH(FEET) :::: 12.40 FLOW VELOCITY(FEET/SEC.) -5.68 DEPTH*VELOCITY = 2.13 **************************************************************~************* FLOW PROCESS FROM NODE 143.00 TO NODE 138.00 IS CODE = 14 --------------------------------------------------------------+----~-~------t , k· :>:> >-:> :>COMPUTE PI PEFLOW TF~AVEL T I I"I,E THRU SUBARE{~< < < -::: < »»)USING USER-SPECIFIED PIPESIZE««< f' ===:::::::::='===::::::::::::::::::::::::::-.::::::::::::::::====:::::::::::===:::::::::=::::::::::::;::::::-.::::::==:-.:::::==:::::=:::::::::::::::::::::::::::::==:::::::::::::====================.;::::::: DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 UPSTREAM NODE ELEVATION:::: 96.00 DOWNSTREAM NODE ELEVATION = 95.00 B.7 INCHES FLOWLENGTH(FEET)::::: 24.00 MANNINGS N:::: .013 GIVEN' PIPE DIAMETER CINCH) ~ 18.00 NUMBER OF PIPES = PIPEFlOW THRU SUBAREA(CFS) ::::: 9.41 J t j . i r I ! . eRAVEL TII"IE (I"IIN.):: • 04 . TC (I"IIN.)::: 13.06 : *********************************~************************;*i*************** FLOW PROCESS FROM NODE 143.00 TO NODE 138.00 IS CODE =~ 1 .' , :._!: •. :~ i~" ',: .' -~.:':' .. -'----.~-..... -.-?~;~ :":--~7~~---.~ ~ ~~,] .-~~'---~~.-~'--'-~~ ... _ ... -_ .... :.-~-:----.~' :::~ "~f .. ~-·-.-... ---~ ·-~:---~Y~·-.:---·-"--~ -·-:~f·ir". -- w en ~ a. >:;:.:> >->DES I bl\~A'TE I NDE:PENDEt\l"i S n,:t:.r:·:iI"i ""'_n'\ ' .. J'-_Ij··lI .. ·I.. .• \...'..:_ ... ic_·!-". ' ... '. »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =============~======-================================================~====~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE~ TIME OF CONCENTRATION(MINUTES) = 13.06 RAINFALL INTENSITY (INCH./HOUR) = 4.11 TOTAL STREAM AREA (ACRES) = 4.10 TOTAL STREAM RUNOFF{CFS) AT CONFLUENCE -9.41 .:ONf:;-·LUENC~ INFORt1ATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) --------------------------_ .. _--... _.-. __ ....... -.. __ ............ ---......... -.. -.. -.. -........ ,:.-.. -..... --... -...... --.. ---....... ~-.... -....... -.. _ ..... _-_ ..... _. __ ... .. 1 298.27 14.16 3.905 f 2 9.27 15.13 3.741 9.41 13.06 4.114 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLbws: 316.08 303.60 300.95 ' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 316.08 TIME(MINUTES) - . i4.157 TOTAL AREA (ACRES) = .153.40 *********************************************~****************************** FLOW PROCESS FROM NODE 144.00 TO NODE 1~5.00 IS CODE = . 2 ____ ..... ___ ._ .. _._. ___ ... ___ .:-_-.1 _________ .. _.,.,. ..... _ .... __ ..... _ .. _ .. __ ....... _ ....... ____ .... ____ .. __ ..... _ ..... ___ . __ .. _ ... _ ..... _ .. _ .. _ ... __ .. _..-................ __ > >-:> > >RAT rONAl.. i'lETHOD . I NIT I AL SUBAHE'A ANAL VS I S< <: -::: -::: <: =================::::===::::::::=============~==J===========::::::::========::::============== SOIL CLASSIFIC('HION IS "D" \' S> INGLE FAt1 I L Y DEVELOF'1'1ENT RUNOFF COEFF' I C lENT :::: • 5500 I NIT I AL SUBAHEA FLOW·-LENGTH (FEET) :::: \" 1 (H). 00 UPSTREAM ELEVATION = 165.00 \ .• DOWNSTHE{~I'T1 ELEVATION:::: 146.00 \ ELEVATION DIFFERENCE:::: 19.00 • URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.903 SUBAREA RUNOFF(CFS) = .54 TOTAL AREA(ACRES} -.20 TOTAL RUNOFF(CFS) = 9.946 ,,54 **************************************************************************** FLOW PROCESS FROM NODE 145.00 TO NODE 146.00 IS CODE = 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< I ::::======~==============::::::::====================================~=============== UPSTREAM ELEVATION = 146.QO DOWNSTREAM ELEVATION = J 107.00 STREET LEi".\GTH (FEET) = 1 000. 00 CURB HE 18TH ( I Nr:HES) :::: 6. ~. STREET HAL.FWIDTH (FEET) :::: 24. 00 STF~EE"T CROSSFALL (DECIt1AL)~ :::., .0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF =1 I **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) - STREET FLOWDEPTH(FEET):::: .32 4.51 HALFSTREET FLOODW I DTH (FEET) = c,'. 5 t? AVEHf-IGE FLOW VELOC I TY (FEET I SEC.) -.l+. 3~5 PRODUCT OF DEPTH&VELOCITY = 1.38 STREETFLOW TRAVELTIME(MIN):::: 3.83 TC(MIN):::: 13.78!· 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.974 SOIL CLASSIFICATION IS "0" l . i .' J r r / ., SINGLE FAMILY DEVELOPMENT RU~OFF COEFFICIENT:::: .5500 . i SUBAREA AREA(ACRES):::: 3.60 SUBAREA RUNOFF(CFS) =f I" 7.87 SUMMED AREA (ACRES) :::: 3.80 TOTAL RUNOFF(CFS) -:8.41 END OF SUBAREA STREETFLOW HYDRAULICS~ , -, .... ,.-·,.·· .. ,,·-·:·-r· ,_., pr·W·)!,.,·r r)"l"L_1 (t.:rEET) ::::: 12.40 -~ *****************************************************************~********~* FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CdDE = 2 ---------------------------------~------------------------------------------»»>~ATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :::==:::::======-:::=::::.::::::::::::========:::::::::::-.:=====::::::-.:::.":::::::::::::::::======::::===::::====:::::==:::::-.::==::;::===:========== SOlL CLASSIFICATION IS "0" •OE! I LE Hot'IE I?EVE:LO~t'IENT R~~!~Ff~ _~~~~:FF I C I Et··rf' _ :::~ _ ~. ~500 I NIT H\L SUI:1AREA F LOIIJ-LEbIG 1 H (F H:. 1) '",: 2(.Su. <.)() UPSTREAM ELEVATION = 430.00 DOWNSTREAM ELEVATION -365.00 ELEVATION DIFFERENCE -65.00 URBAN SUBAR~A OVERLAND TiME OF FLOW(MINUTES) '= 14.914 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED, :1.00 YEAR RAINFALL INTENSITY(INCH/HOUF~) ::::: ~5. 7V6 SUBAREA RUNOFF(CFS) -1.72 TOTAL AREA(ACRES) .70 TOTAL RUNOFFCGFS) -1.72 : . *'l!'****'!1'****'*.*'***-l<-******'*-K-*******'****'*'*,-l<--K-'*'*.;;~*,,****.**.*.****.*.**.* .. ***.y,-.*-l(-.~;.*.***.*.****.*' FLOW PROCESS FROM NODE 10.00 TO NODE 11~00 IS CODE: =' .1 J ----------------------------------------------~-----------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLU~NCE««< ==========================~=======================~===================~==~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.91 RAINFALL INTENSITY (INCH./HOUR) = 3.78 TOTAL STREAM AREA (ACRES) = .70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1.72 ~*********'*.*'* .. *'*.*-j(.****'*.*****-)(-*-*'*.'*.'*.**-j(.-1'!.-;.;..*'*'*'*'*'l!',*',*''*'********'*''*',*''lE''***-*11',*''*'*'~*-l!-***** ~LOW PROCESS FROM NODE 260.00 TO NODE 2~1.00 IS CODE = "2 -------------~--------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CLASSIFICAtION IS "0" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL' WATERSHED' NOMOGRAPH"TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.94(MINUTES) I NIT I AL SUBAREA FLOW'-LENGTH (FEET) --450. 00 UPSTREAM ELEVATION = 425.00 DOWNSTREAM ELEVATION = 370.00 ELEVATION DIFFERENCE = 55.00 100 YEAR RAINFALL INTENSITY (INCH/HOUR) -4.359 SUBAREA RUNOFF (CFS) = 4.90 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) - , J I I 4.99 r , .~. . ~ ******************************************~********************************* FLOW PROCESS FROM NODE 261.00 TO NODE 11.00 IS CODE = I 4 , -------------------------------------------------------------~--------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< i " I f ! ===============::::::::::::::::::::===::::::==::::::=:::::::::::.:::::;::::::::::::-.:::::::::::::::::.-:::::::-.::::::=.:=::::::::::=:::::::::::::::::::::::::::::=:.":!=::::==::::::==~::::===!:::::::::::::=:::::==::::::::=::::: DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 apSTREAt1 NODE ELEVATION = 370.00 ~OWNSTREAM NODE ELEVATION = 365.00 5.3 INCHES FLOWLENGTH(FEET) = 70.00 MANN1NGS N = .013 \ GIVEN PIPE DIAMETER(INCH) = lS.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA (CPS) -4.90 TRAVEL TII'1E O"lIN.) = • 10 . TC (I"IIN.) -12.0.(l • ... ;1:(· . ~ " .. ' ':! . \..... . 1 .i ", **************************************************************************** FLOW PROCESS FROM NODE 261.00 TO NODE 11.00 IS CODE = 1 --------------------------------~-------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ================~========================================~==~=~============= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: eU1E OF CONCENTRATION (11INUTES):::: 12.04- AINFALL INTENSITY (INCH./HOUR) = . 4.33 TOTAL STREAM AREA (ACRES) =2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -4.90 CONFLUENCE INFORMATION, STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) f ,-... -----"''";''--------,--------._-----.-----.---.-.-.-.-... --.. --.---... ----.--..... --r-.----.... ---.. -.. -.-.. ---.---.-------.-.---- 1 1.72 14.91 3.776 2 4.90 12. OL~ RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLL6ws: 5.99 6.40 ; COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:! RUNOFF (CFS) = 6.40 TIME(MINUTES) = ~2.040 TOTAL AREA(ACRES) = 3.20 2 STREAMG **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 103.00 IS'CODE ~ . 4 ----------------------------------------------------------------------~-----»»)COMPUTE PIPEFLO~ TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===========================================================~==========~===== 6:iPTH OF FLOI}J IN 18.0 I NCI'-j PIPE IS 5. 9 INCHES .IPEFLOW VELOCITY (FEET /SEC~)' ::::' 12.8· UPSTREAM NODE ELEVATION = 365.00 DOWNSTRgAM NODE ELEVATION = 328~00 FLOW LENGTH (FEET) = 450.00 MANNINGS N -" .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMB~R OF PIPES = 1 PIPEFLoW THRU SUBAREA(CFS) --6.40 TRAVEL TIME(MIN.) = .59 TC(MIN.) = 12.63 **************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NOD~ 101.00 IS CODE = ~ --------------------.---------_. __ .. _---..,---------_._---_._--------------_._...,.--;-------------- »»)RATIONAL'METHOD INITIAL SUBAREA ANALYSIS««< I ===================================================*==========d============= ~ " SOIL CLASSIFICATION IS "D" ( SINGLE FAMILY DEVELOPMENT RUNOF~ COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = ~50.00 r i UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -- *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.082 • BAREA RUNOFF' (CFS) :::: '~5. 2::2: TAL AREA(ACRES) = 1.90 TOTAL RUNOFF(CFS) = I " .. • .r.-. :. ... ' .. f 1 1 20.431 . J ! f , USED. / , t:::.22 ! ;, . , ~ , :1.0:1." 00 IS CODE -.-j. --------------------------------~-------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =======================================================================~==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATION(MINUTES) = 20.43 RAINFALL INTENSITY (INCH./HOUR) = 3.08 TOTAL STREAM AREA (ACRES) = 1.90 eOTAL STnEAM RUNOFF (CFS) AT CONFLUENCE :~~ 1 AnE: 3 .. 22 ************************************************f*************************** FLOW PROCESS FROM NODE 262.00 TO NODE 263.~0 IS CODE = 2 " . »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ================================================~=========================== SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.7B(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) -475~OO UPSTREAM ELEVATION = 440.00 DOWNSTREAM ELEVATION = 360.00· ELEVATION DIFFERENCE = BO.OO 100 YEAR RA I NF {~LL I NTENS I TY ( INCH / HOUF~) _. 4. ·395 SUBAREA RUNOFF(CFS) = 7.12 TOTAL AREA(ACRE6) = 3.60 TOTAL RUNOFF(CFS) -7. 12 . . **************************************************************************** FLOW PROCESS FROM NODE 263.00 TO NODE 101.00 IS CODE = 4 ..... --_ .. _-._-_ .. _-_._-....... _ ..... _----_ .... _----.-._-_ .. __ ..... -.---_ .. _--_ ...... --_ .. --:""-..... -----------,--_ ..... _._------ »»>COMPUTE PI~EFLOW TRAVELTIME THRU SUBAR~A««< »»>USING USER-SPECIFIED PIPESIZE««<. t;~~=;;::;~;:=~:~:::=;;~~=;~~~=;.~:;.~=;;~'"==~:~;=~~~~~;=====================:====== PIPEFLOW VELOCITY(FEET/SEC.) :: 20.9 UPSTREAM NODE ELEVATION == 360.00 DOWNSTREAM NODE ELEVATION = 330.00 FLm~LENGTH (FEET) == 100. 00 t'I{4NNI NGS N --• 013 GIVEN PIPE DIAMETER(INCH) = lB.OO NUMBER OF PIPES == 1 PIPEFLOW THRU SUBAREA(CFS) == 7.12 TRAVEL TIMECMIN.) = .OB TC(MIN.) == 11.86 **************************************************************************** I FLOW PROCESS FROM NODE 263.00 TO NODE 101.00 IS CODE =' J --.----------.----.-.----~-------.. -------------.-------. ....:-.--.----------------------------------t-------------- »».>DESIG·NATE INDEF;ENDENT' ·S"TREAI'"1. FOf{ CONFLUENCE««< } »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ' ?-============================================~===================~============= CONFLUENCE VALUES USED FOR INDEpENDENT STREAM 2 ARE: ! TIME OF CONCENTRATION(MINUTES) == 11.86 RAINFALL INTENSITY (INCH./HOUR) == 4.38 TOTAL STREAM AREA (ACRES) = 3.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE == 7. 12 J , CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY j • MBER CCFS) (1'1IN.) (INCH/HOUR) ;' --------------------------------------------------------~----------------1 3. 22 2c) . 43 ~3. ()82 (. i :;;~ 7 • 1:;~ 11 • 86 l~. :3;7 6 ~ t,· RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA US[D FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: :2 STRE~~MS , ., RUNOFFCCFS) -9.39 TIM~(MINUTES) = 11.(364 TOTAL AREA(ACRES) -5.50 **************************************************************************** FLOW PROCESS FROM NODE 101.00 TO NODE 103.00 IS conE = 4 "----------------------------------------------------------~-----------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< " .~:::~::~~=~:~~:::~:~~:~~~~:::~=:~~:::::~:::::=:.==~=:=:=:=====:===:~~===~~=:::=:~-"========="": DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.9 ! UPSTREAM NODE ELEVATION = 330.00 , DOWNSTREAM NODE ELEVATION = 328.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1. PIPEFLOW THRU SUBAREA (CFS) -9.39 TRAVEL TIMECMIN.) = .08 TCCMIN.):: 11.94 ***********************************************,**************************** FLOW PROCESS FROM NODE 101.00 TO NODE 10~.00 IS CODE =" 1 > ----------------------------------------------~----------------------------~ »»>DESIGNATE· INDEPENDENT STREAM FOR CONFLUENCE««< , . =====::======================~=~============================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME DF CONCENTRATION (MINUtES) = 11.94 RAINFALL INTENSITY (INCH./HOUR) = 4.36 TOTAL STREAM AREA (ACRES) = 5.50 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 9.39 **************************************************************************** .:~~_~~~~:~~,_~~~~~ __ ~:~::: _____ ~:_::~~~"_~~_~~~:_" __ l:~~"~~~:~",_:~ __ ~~~: .. _: __ .:~ ________________ . »»)USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< . ====:'00:===::::::::========::::::::::==================:::::::::'':='::::=::::::::==::::::::::::====:=:::::::::::::::::::::==::::=:::::::::::::::::::-.. -::::::::::::::::::::::::::::::::'::::::::: USER-SPECIFIED VALUES ARE AS FOLLOWS: TCCMIN) = 12.63 RAIN INTENSITYCINCH/HOUR) = 4.20 TOTAL AREACACRES) = 3.20 TOTAL RUNOFFCCFS) = 6.40 1 **************************************************************************** , , FLOW PROCESS FROM NODE 11.00 TO NODE 103.00 IS CODE = 1 »»)OESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< r »»)AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 'I ==============================================================~============= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ! TIt1E OF CONCENTRATION (I"UNUTES) '= 12. 63 ~: RAINFALL INTENSITY (INCH./HOUR) = 4.20: ~ i TOTAL STREAM AREA (ACRES) = 3.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAl'l RUNOFF T II"1E NUMBER (CFS) (M1N.) INTENSIT'l' ( INCH/HOUR) 6.40 i t I /" . ,f ! 'f --------------------.---.. --.. -... -..... -....... ~--.. ---.. -.. -..... -............ __ .. _-_ .. __ .. _-_._------!--_ .. _-_ .. _ .......... _ .. _. __ .. __ .. __ .. 1 9. :'$9 11 • 94 4. 358 .! • 2 6.40 12.63 . 4.20::;:; RAINFALL-INTENSITY-RATIO CONFLUkNCE FORMULA USED FOR . -. . VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 15.56 15.45 r~,.,. .... r t ,"'''! f:'" " " F\:UI'ml:::F(Cf~3J ::: 1~.f:-56 TH"H;:~<r'IINLj'rES)::::: 1.1.'7'4:1. TOT?~L ?iREA(?~Cf:;:ES) e:-)}:2/)d~ ,.,oH4G~ ..z:-G72;:?,eq P£4//V'@ 8/LL. .d44!W'~ OA?/V~ GL?'E G,4/r. #3...:::::' c7F //Wp. P~A'/I/ **************************************************************************** FLOW PROCESS FROM NODE 103.00 TO' NODE 104.00 IS CODE = 4 ----------------------------------------------------------------~-----------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .~~~~~:~~~~~::~:::::~~~:~=:~::~~~:;.;.;.~:;.=:"=::::::==::::::c'""""::::::=:::::=:=:==:====~~==::::::===:::::==:::::~:==~: DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::::: 10.8 UPSTREAM NODE ELEVATION::::: 328.00 DOWNStREAM NODE ELEVATION::::: 307.00 FLOWLENGTH(FEET)::::: 750.00 MANNINGS N::::: .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES ::::: PIPEFLOW THRU SUBAREA(CFS) -15.56 TR?WEL T I ME 0"1 IN.) = 1 . 16 TC (1'11 N.) = 13. 1.<) 1 **************************************************************************** , FLOW PROCESS FROM NODE 103.00 TO NODE 104~00 IS CODE =. 1 , ----------------------------------------------------------------------------J »»>DESIGNATE INDEPENDENT STREAM FOR CONFLU~NCE««< ====:::::====:::::~:::::=========:::::::::::::::=:::::ti:::::=::::::::::====:::::=====================~:::::==~===~=:::::=====:::::== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATIONCMINUTES) = 13.10 RAINFALL INTENSITY (INCH./HOUR) = 4.1:1. TOTAL STREAM AREA (ACRES)::::: 8.70 TOTAL STF~EAl"1 RUNOFF (CFS) AT CONFLU.ENCE '-15.5c:> . *********************************************~****************************** FLOW PROCESS FROM NODE 105.00 TO NODE 106.00 IS CODE' = 2 .;;;;~~~~~~~~-~~~~~D-~~~~~~~-~~~~~~~·-~~~~~~~~~~~~~-·-------.--~.---..... --.---... --.--. ======================================================================~===== SOIL CLASSIFICATION IS lID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIE~T = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION::::: 312.00 DOWNSTREAM ELEVATION = 310.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) - 100 YEAR RAINFALL INTENSITY(INCH/HOUR)-= 5.511 SUBAREA RUNOFF(CFS) -.61 8. 291.:j TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.. 6~ I J 1 ********'*****'**-1(-*'****'*'***********.***,*******,;':*****.*.****.********~*.*,*.*.*.****.**** FLOW PROCESS FROM NODE 106.00 TO NODE . 107. 00 IS CCIDE = r 6 ----_ ..... _------------_ .. _--_ .. _ .. _ .. __ ...... __ .. __ .. _ .. __ ..... _ ....... -... _-............ _-_ ........... _-_ ..... ----_ ..... _--!---_ ..... _--_ .. __ .. __ ... .. »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< I , =============================================================d============== UPSTRgAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = . i07.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 6. ~ I STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMALJ ~ .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 : • **TRAVELTIME COMPUTED UaING MEAN FLOW(CFS) = 7.f5 STREET FLOWDEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.16 .. AVERAGE FLOW VELOCITY (FEET ISEC.) ::: PRODUCT OF DEPTH&VELOCIT~ = .67 I, i 1" 1.56 STREETFLOW TRAVELTIME(MIN) = 9.61 TC(MIN) = 17.90 -- .:=JI...J .1.1_. 1, .... i .... i .. ·l·.,j~J .i. I'" J ....... l .. l i 1 LJi"'~ i \:) .. L; " SINGLE FAt'1 I L Y DEVEL.OPt'IENT HUNOFF COEFF I C lENT ::::: • 5500 SUBAREA AREA (ACRES) = 7.20 SUBAREA RUNOFFCCFS) -13.29 f3Ut1MED AF~E?-l C ACRES)!!;'" 7.40 TOTAL. F:;:UNOFF C CFS) -1~$ .• 90 END OF SUBAREA STHEETFLOW HYDRAULICS: DEPTH (FEET)::::: • 50 HALF STREET FLooDW I DTH (FEET) ::::: 18·. 48 FLOW VELoCITY(FEET/SEC.) = 1.97 DEPTH*VELOCITY = .9S .**********.**"*****-*.*********.***.**-*.*-* .• ;i",*-X-.i\.**"*·*·'*-~·:**·*"li·*-)!-·*·1i·"*·*·->l-~,\·***·*~i·"*·";i·-X-*"*'-~'-*'~*-il'c~.* FLOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE::::: 4' --------------------------------------------------------~-------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<Y«< »»>USING USER-SPECIFIED PIPESIZE««< ; ==::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::==::::.::::::::.:::::=;:::::::-::::=::::::::::::::::=:::::::::.-:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::=::::::::::::::::::::::==::::::i:::::::::::::=::::::::::::::::::::::,:::::==::: PIPEFLOW VELOCITYCFEET/SEC.)::::: 7.9 UPSTREAM NODE ELEVATION = 307.00 DOWNSTREAM NODE ELEVATION::::: 306.0Q . FLOWLENGTHCFEET) = 60.00 MANNINGS N = .013 I GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA(CFS) = 13.90 TRAVEL. TIME(MIN.) = .13 TCCMIN.) -18.~3 **********************************************~***************************** , . FLOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE = 1 .. . .. --..... --------•• --.-....... ---.. ';"'"-"""!---.. ----.-~ .. -'T':" .. --.. ---............... -... -........ ~ ... -.-............ -.... -..... -..................... ~ .......... -..... --.. __ ._ ............... __ .. _-.. -_ .. _- »»>DESIGNATE'INDEPENDENT STREAM FOR CONFLUENCE««< ==================:::::==:::::=============:::::======================================== , . CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 18.03 RAINFALL INTENSITY (JNCH./HOUR) = 3.34 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -13.90 • **************************************************************************** FLOW PROCESS FROM NODE 108.00 TO NODE .109.00 IS CODE = 2 . -----------------------------------------------------------------------~----»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========================~===========================:::::======:::::=~===:::::========= SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOPF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 313.00 DOWNSTREAM ELEVATION = 311.00 ELEVATION DIFFERENCE::::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 8.299 100 YEAR HAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) = .61 TOTA~ AHEA(ACHES) = ,.20 . TOTAL RUNOFF (CFS) - i I 1 I f I .8-1 l- i > **********~**************************************************~************** FLOW PROCESS FROM NODE 109.00 TO NODE 241.00 IS CODE = I 6 I . --~-------------------------------------------------------------------------»»>COMpUTE STREETFLoW TRAVELTIME THRU SUBAREA««< f! ============================================================================ UPSTREAM ELEVATiON = 312.00 DOWNSTREAM ELEVATION = I! 291.00 . "TREET LENGTH(FEET) = 500.00: CURB HEIGTH(INCHES) = 6~ .TREET H{~LFWIDTH (FEET) = 24.00 STREET CHDSSFALL (DEC It1Ac..) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 L' **THAVELTIME COMPUTED USING MEAN FLOW(CFS) -2~1~ STREET FLOW DEPTH (FEET) = .26 HALFSTHEET FLOODWIDTH(FEET) = 6.77 .0200 .... - I I \ ..... 'J •• /~ .. tl ••••• I • ..... 1 .~.;·J.. ... l I I II.;'. ',: £,_,,,_,._,, .. _, ,I.. t J" ~ l ." STREETFLOW TRAVELTIMECMIN):::: ,2.20 TC (1'11 hI) --10. 4',' 100 YEAR RAINFALL INTENSITY(INCH/HOUR) ~ 4.737 SOIL CLASSIFICr7.)TION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES) = 1.20 SUBAREA RUNOFF(CFS):::: 3.13 SUMMED AREA (ACRES) :::: 1.40 TOTAL RUNOFF (CFS) :::: 3.73 END OF SUBAREA STREETFLOW HYDRAULICS: • EPTH (FEET>:::: .30 I-'IALFSTREET FLOODv.JI LITH (FEET) :::: 8. 88 LOW VELOCITY(FEET/SEC.) :::: 4.11 DEPTH*VELOCITY:::: 1.25 , I. **************************************************************************** FLOW PROCESS FROM NODE 241.00 TO NODE 104.00 IS CODE = 4 ----------------------------------------------------------------------------'" '" '" '" '" rO"'1F'U'T'E F' I 1-'EFooL OW '-I-"r. VEL ,-'[ I"E 'l-Llr " J (OO'"r AI-E-' 1\ "~,, ", ", ", •••••••••••••••• ~.,o..r I" -... -.. '\t'i .. ·... TI:::. r-r'\.oo ~:)_J:.~ ... -( .... ( .... ·: •• 1'! .....•...•...• »»>USING USER-SPECIFIED PIPESIZE««< . , =::::======::::======::::=======================~===::::===~::::====::::===~::::::::=======::::===::::===~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.1 INC~ES PIPE~LOW 0ELOCITY(FEET/SEC.) = 7.2 UPSTREAM NODE ELEVATION = 291.00 DOWNSTREAM NODE ELEVATION:::: 290.00 FLOWLENGn'1 (FEET):-.:: 40.00 I"IANN I NGt:) N:::: .1013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER;OF PIPES - PIPEFLOW THF\LJ SUBAREA (CFS) ,:::: 3. T~: TRAVEL TIME(MIN.) -.09 TC(MIN.):::: 10~59 1 **************************************************************************** FLOW PROCESS FROM NODE 241.00 TO NODE 104.00 IS CODE ~ 1 ----------------------------------------------------~-----------------------> >:> > >DES I GWATE I NDEF'E::NDENT STF<EPIi"1 FDF~ CONr':'-UJENCE< 0::: < < < :> > > > >AND COt1F'UTE V?'iF< I DUB CONFUJENCED STF,:EAI'1 \,'{-ILUESO::: < 0::: <: < .' ,.~~~:~~~~~::::~~~~~~=:~~~~=:;~~::::7~~;~;.~~~~~~:::;~:~;.~~::::::::;,::::;.~~~;~.::::::=:-~=::::=:::F::::::::::::=::::::::=:::::--'==== TIME OF CONCENTF\ATION(MINUTES):::: 10.59 RAINFALL INTENS'ITY (INCH./HOUH) =, 4.7:1. TOTAL STREAM AREA (ACRES) .::::, " 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -3.73 CONFLUENCE INFORMATION: STREAM , RUNOFF TIME INTENSITY NUMBEH (CFt3) (MIN.) (INCH/HOUFO ------------~---------------------------------------------------------------1 l~j. 56 13. 10 4. 10~i 2 13.90 18.03 :3.341 3 3.73 10.59 4.710 RAINFALL-INTENSITY-HATIO CONFLUENCE FORMULA USED FOR VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ~$(). 12 27.1es COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) :::: 30.12 TIME(MINUTES) -13.100 TOTAL AREA(ACRES) = 17.50 J i 1 :3 STREAhtl ~. I- ! j i r } : . :, t **************************************************************************** FLOW PROCESS FROM NODE 245.00 TO NODE 246.00 IS CODEl:::: 2 .~:~:;;~~~~~~~~-;~~~~~~-~~~~:-~~~-~j~~~~~-A;~A~~~~';~~~~~~-----_oo--1,---~oo---~-----,---,---­ ==~~~~=~~~~~~~~~~~~~~=~~=~~~====:~::::=:===="===:::::::::=::::::::::::========::::::::?'::::r:-.::::::=::::::::==:::::::=::::===:::: " \:lloJ ~ ,,- COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 ' INIT1AL SUBAREA FLOW-LENGTH(FEET) -550.00 "7 ::::;7l~r .... , "~'). . . ~ ,:, ,~! MJ .' t,. -, \. ,r, --w en « :I: a. ~l~L~LUW VLLULliY~~L~I/S~L.) = 5.1 UPSTREAM NODE ELEVATION = 298.00 DOWNSTREAM NODE ELEVATION = 297.00 FLOWLENGTHCFEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW tHRU SUBAREA (CFS) -1.12 TRAVEL TIME(MIN.) = .13 TC(MIN.) = 13.37 "*'**'*'*'**~'!-**'*'*')(-**'**-¥:*'*'*'*'*'**-l':'*'K-';':-'******·*·*.y,-·*-l<--l{-.y,-i(-·l(-·¥:·*·*-l(-*·!~-1'<-X-*1'<·*·K-.y,-,'*·l(-.*.*-¥:;'-**.**.,,,!-*~-l(-':** ~OW PROCESS FROM NODE 248.00 TO NODE 250.00 IS CODE = 1 ----------------------------------------------------------------------------»»)DESIGNATE INDEP~NDENT STREAM FOR CONFLUEN~E««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALuES««< :::::=:::::::::::::::::::::::::::="===:::::::::::=::::::::::::::::::::::::::::::::::::::::::::::::::::::::::==::::::::::::::::::::::::::::::::::::::::-.:::::::::=::::::::::::::::::=.:::==::::::::::::::===::::=====::::=::::::::::-:.:::::::::::::::::-:.== CONFLUENCE VALUES USED FOR I NDEPENDENT ~3TriEI~I'1 1 2 l~r':;:E = TIME OF CONCENTRATION(MINUTES) = 13.37 RAINFALL INTENSITY (INCH./HOUR) = 4.05 TOTAL STREAM AREA (ACRES) = .50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -1.12 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY I\IUt'IBE::R (CFt» <t'l IN.) ( I NCI .. ·II HOUFO ---------------------------------------------------------------------------- 1 5. 11 1. 1 ~~ 13.37 5.241 4.052 RAINFALL-lNTENSITY-RATIO CONFLUENCE FORMULA USEQ FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5.9B ~=S. 0'7 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 5.9B TIME(MINUTES) = 8.969 TOTAL AREA (ACRES) = 1.64 .~;==~~:=~~~~~~~~:=~~~~~;==~;~~:~;,~:~~==~==:=::::==::=:="~:=;=:="=====:=:::=======~"====:===:=:=:============"=:== • 1 '\ , I J i I i { .~. I' r ! / . , 1 f / ., .f ' '~ : , \ 1 Itti~, '~:L::" (' LOS ANGELES COUNTY ROAD DEPARTMENT STORM DRAIN ANALYSIS '. (INPUT) <.-.: PROJECT CARLSBAD HIGHLANDS B,..B STREET AND I STREET . EDP JOB R4412 DATE 3/16/88 PAGE 1 .-,--DES IGNER HeM TI.I.ON "704" BTiM 0 5~~(Jgl:L£>.-&9/M. IH~t(~C&'L P~u--S~_-,-_____ .,--________ _ n· C:~i " tD L2 MAX Q ADJ a LENGTH FL 1 EL 2 CTL/TW -, 8 ~ . ____ -42~~.7~,0~4~ __ ~---_________________ -~---- '"1 SHT. 36~ (:! I 2 2 60.0 60.0 63.00 D w S f{J KE KM LC Ll L3 L4 Al A3 A4 J ~ / 226.00 233.70 0.00 36. o. 3 0.00 0.20 0.05 1 3 10 o . 50. 40. O. 4.00 0.013 7 i a I 2 3 50.5 50.5 18.81 233.80 234.27 0.00 36. O. 3 0.00 Q.20 ~.05 o 4 11 o 0.90. O. 4~00 0.013 .~-,:1-2-i-.324--.32 " 69-.53--23..4 17 ".36.._01. __ 0-_0-0_36.. 0 3 0_ •. 00 0 20--0 • ..05--0--.5--0--0 .v. 3S/-. ,-~--_ ( .,,1 'S"~T. 7'3C}. ~ . o O. 0 4 00 0-0.1-3--- :-...... - frf ';,21 2 5 29.2 ",9.2 168.84 236.61 247.73 0.00 30. O. 3 0.00 0 ... 0 0.27 0 6 12 0 o. 90:' -"0:-" of. {)O o ~013 ___ ... I: ";.( .: i ,,; ~ _0.00 0.20 0.10 o 7 13 o o. 70. 0:0 •. o· 4. 00 '-'O':Ol~-: : 4 c .~.:l 2 6 20.9,. 20.9 . '32.92 248.48 253.29 0.00 24 ... O. ';}: ~: ., 7 16.2 ]6 2 "110:; 70 253 0:;0--26.0.00 0.0.0 18 O. 3 -0406..-0-2.0--0._0.5-_.<>---8---1_4 4;,. .<L-J...5--9-O 0 4 00 0 ...Q13 __ 0 -0" / :7,' 2 8 12.0 12.Q 59.24 260.21 265.80 0.00 18. O. 3 0.000.20. 0.05 0 9 0 0 54.. O. O. 4.00 0.013 :~~( .Ia, ~~ . ,,'j 2 9' 0.2.3· 2.3 '135.95 266.00 272.50 0.00 18. 0." 1 0.00 0.20' 0.05 0 0 0 0 O. O. O. 0.00 0.013 0': ~Hr. 36/37 .. , . 2-...l.Q---.9_~5 9.5 37 75 23G • 75 "38~.o..~-O..~0.0_l8.~<t.--.l .Q~.o..o _-0...2.0_0 _Q:L-..3 ___ .-<L ___ 0 __ .... ~O __ O._ o 0 0.0<>---0...013 ... __ ._. ·f ......... ~3: 2 11 5.7. 5.7 12...75_ 235.02 .. 23;;'.00' -'0.00. 18·. O. 1 0.00 0.20 0.05 4 o o o O. O. O. 0.00 0.013 :0':1 . :SRI 3~ii 2 12 8.6 ~.G . 8.25 248.80 249.80 0.00 18. .:::. 0.' .'1 0.00 0.29' 0.05 6 o o o O. O. O. 0.00 0.013 :...:. -' ._2 __ 1-3. __ 4-.:Z. __ .4...2--.7.O:;. 28 ?53._9.0_ZS7 .• 86. ____ 0.00. _18. __ 0-----L.. 0 .• _0<L-O_.20 __ 0_05 _____ 7. __ 0 ____ 0 .. __ .0 .. ____ 0_. -0. ___ 0 0.0.<>---0...013 __ ..:;! "1';1 2 14 4.-4 4.4 28.25 260.10 262.00 0.00 18. O. 1 0.00 O.~O 0.05 B o o o O. O. O. 0.00 0.013 -...... , . i· , ;--:. { =" ( :"0. ". I~-,- 'L.;, t: .4. 1 ~\!!! .' .!_I .r-'-_I~~( ,;, 1 .. 7, '30~j '~:I • .:oj, .~ \;i' .. ,i ~2! .~~ . ... -~ .. -.•. _--_ .. ~,..; io!FlI l~:'( 1-' ;=-; !'!'2t ll:~:{ so .;.~; , 4 ... 1 1 .~! ~~i --------------~------::--------~~~~--~~-------------------------------I::! -~( , '" ~ ~~ 51 '~21' 16~ ... '": ._ i6"! ;'~; e! I ;67' • :~;f J :;:.g; _3 170-, .! 1" '. _ :72; :7:£1 !~~ '-• , .. , . • (,-- ...... .. ..•.. ,;; ... , :;:--:." . ..,. '" ~:'"!'" .:.':,.I::"'P:I.'7'~:'~'" ~ • t\~ ~i .l~ LOS ANGELES COUNTY ROAD DEPARTMENT STORM DRAIN ANALYSIS PROJECT CARLSBAD HIGHLANDS B-B STREET AND I STREET EDP JOB RH12 DATE 3/16/88 PAGE 1 .{ (- .,-r-D-&S-roN.&R-l4~ i ;, \:. >; ( . LINE, Q D W. DN DC now SE-EULL v 1 V 2 EL 1 EL 2 . HG 1 HG 2 D 1 D 2' TWTW ;, -~·:"'-N{}-f-S-FS·>-+IH-H-I-N+-H:.'H--(-n+-!f-¥-PE-+H·I-M+--H·PS-)-f-HS+---(r-I->--fR)--MI.G-· ---GAI.C--·-+E'-I-)---f-r-I->----S-A-h6 DIE REMARIfS----f;- . .' S"h"r. 36/.:I~ is ( • 1 HYDRAUL IC GRADE LINE CONTROL = 227.04 17 ,' ~~---------~---------------------------'-----------------------------Is> ::i 2 50.0 36 0 1.04 2.50 PART 0.00809 22.3 9.5 225.00 233.70 227.22 236.20 1.22 2.50 0.00 0.00 i>G~~(' . . " ,~~. 23\ '2·-:1 ;;; 9 2.3 18 0 0.32 0.57 SEAL 0.00048 1.3 3.7 255.00 272.50 268.68 273.07 X 24.96 X~R) 7Z~66 xeJ).~ 35.80 Eel) = 0.63 DeBJ) 0.32 DeAJ) 2.58 0.57 273~33 0.00 HYD 'JUMP 0.95 13 ~~ l~~(: ~~========~=·~->~T-~6~-------------------------­. _------_ .• ----_._----~--~~=. . =-: >.) "i ~~: :;: ~:i ~'G! - ,0-1 "~l GO .1,): i ~'I ;~%I 1.,3t I ..:.41 i ,.t~f 3 HYDRAULIC GRADE LINE CONTROL = 236.85 .. .,( cO---'iJ.-..S-~O 0 • 71 1 • 19----M-R-T--o-'-()'()'s'lS--l-0~1~·__23e:..r 75--23-8.00--2-3+-.-54--239-.-1-9---0-.-7-9 1 .1 ~9-• .-'91h:!!J--~OOJ_.~O~OJ__------... .;;~ !>~( .-------.. -------.-.:.:....--=---~--=-:---------. :.~ ... 4 HYDRAULIC GRADE LINE CONTROL = 237.97 .. -, ..... 14sj 140{ > 147~ I.e; r:g i';CI( 5" 'l.. 11 '5.7 .. 18 o 0.45 0.92 FULL 0.00294 '3.2 '3.2 235.02;.235.00 .. 237.97 238.0l 2.95 2.01 238.21 0.00 '52\ •••• h "~'" !:~ SHT. :rS/3"'9' .. __ ..... '~~'.( r-6-.--H-Y-D-a-A-Y-l.-IG GRADS l. IN-E GQNTRQl. -249,..'" --~.-.. -----.~I ~,,: « .. ! •• .,. .... ,,-.~ '-~ .~~I.' :;.~. "::, :-~ :,~y '. ; '. , .... ,~.;.'--, :~1.. 12 '-':8.6:':'18'': O' . 0.69'-:: 1.14 PART 0.00670 9.3 6.0' 248.80": 249.80 '249'~57 250.94 0.77 1.14 251.60 0'-00 ;9~1 . . ,~~, .!'Oi . ---~~-----------.----~-I:~L ~ ~ 7' HYDRAULIC GRADE LINE CONTROL = 254.36 ',::1, ." . '. "7\" 13 4 7 lS-·-O--O-....4·s-'O"'s.:iI PAR-I-o...o.o200 10.1 4.~53-~9~57~.a6--2S~--258 •. G9--0-.4G--O .• .a.3-2S-9,.-l.O 0.00 I:~; X = 0.00 XOD = 25.69 I:~( I.:.J "'1 "'.:, ':1 ~:I " ,."-::' , .,.~: .. i. ' ... , .... :.: .::. ,:c' , ": '.~ ," ... -,' ".' I~( 9~ --~~~~----------~ • • -e· (. t .... :.,~ .. : . ~ -" :. .... " : .. ' .... '-.-.: :-: .:_,,"' ..... --.' ... ~ c LOS ANGELES COUNTY ROAD DEPARTMENT STORM DRAIN ANALYSIS EIIP JOB R4412 I;IATE 3/16/88 PAGE 2 PROJECT CARLSBAD HIGHLANDS ---DESIGNER MeM!! tON r.>704?BDM B-B STREET AND I STREET LINE Q D W [IN DC FLOW Sf-fULL V 1 V 2 EL 1;' ___ . ...)!lO._LC.E.S.L..LI.Nl.LI.N.L.LE..T.l..-tf.!L....T.Y.P.E (ETLf.T.L-LEP.S1-{E..P.SL_ .. --LE.:U 7 HYDRAULIC GRADE LINE CONTROL 261.0.8 f" fL 2 HG 1 HG 2 D ID 2 TWTW l~ {' _LE..T> ~_CALC._<'E!..) __ tf.:rJ......---CALC CK REMllRKs ___ ·.:..' '. I iG ( :7 • .• _~.1 " 14 4.4 18 o 0.41 0.80 PART 0.00L75 9.8 4.6 260.10 262.00 260.55' 262.80· 0.45 0.80 263.19 0.00 'r ., ---~-::-::;':::'=--. .., -. i''', ... -. --. -.. --.... '~!c ~' .. -....... .,,~"-;~1 j :::( -, -----_ .. ---' .. -'" ... _----------------- --_. _"i. • ••• _ ._...:,~. ~--- , :3. •• ", --~ .... _ .... _---- . __________________ ~ ____________________ ~_:s -----.---.--.... --.--.-.----------_._----------_. . ------------~----------:-...--~. .:.: :~~J iZ4; 1:51 :~~:r >c'(, :3\ 32: :~;l I~C( 1~9 • .:l.Q: ~"i1 j~~1( ~.:'l j"'~' lAO'\. 1471 .at 1,·, J'OI( '';51\ 1,2, 1 53\ , 54' ssi{ '6, i:~l I··i\' .~, ---------------------------.~ --',02{ ====~-~.t~ • lOS '.6": 16.' joo!( IS-. 'se: 'oS9t !701t I~~! 1'73, :74:,- :7!i.' 1"7--_ ..... <... . _~, ~~:J'~~-2:Z::,_~::.~:'_~_,_,_ .. ,~~:_~_!_,~. _ _:f -'. • -~ .. -_. ~ -. "¥ • 0, d .::1 V 1, FL 1, D 1 AND HG 1 REFER TO DOWNSTREAM END V 2, FL 2, D 2 AND HG 2 REFER TO UPSTREAM END X -DISTANCE IN FEET FROM DOW~STREAM END TO POINT WHERE HG INTERSECTS SOFFIT IN SEAL CONDITION r .1'. X (N) Et IS'I-AN CE II. FE E-T-r-R-SM-l:leWNs-rR£AM-EtID--r-e---pcfHNr-WHERH-WA-T-ER-SU rtF-AfrE-R£AeHES-NORMAL---DEP!H -B-Y-E-ITItER-D-RAW{leWN-e-R--B1\C~WA-rER---l X(J) DISTANCE iN FEET FROM DOWNSTREAM END TO POINT WHERE HYDRAULIC JUMP OCCURS IN LINE \2;' F (J) -THE COMPUTED FORCE _ AT THE H,(DRAUL IC JUM? -;: ' , ---lD;H(-B-J-)-----D-EMH--{).F--W-AU.R--B-Ef.!HHi~H&-H¥-DRAIH,.fe-JlIMP-HJPS!RE A M-S-IBIH----------,--'-;-, DeAJ) -DEPTH OF WATER AFTER THE HYDRAULIC JUMP (DOW~STREAM SIbE) ;~ SEAL INDICATES FLOW CHANGES FROM PART TO FULL OR FROM FULL TO PART ,~'r H Y D JI u!\'IL-UID-I.CA-US-T-liA-T-F-L.D.w-c.HAN-J3.ES--E'-iWl!\-SU.f!.EI<.CR-I-T-lCA L-T.O -SUB.CR-I-T-ICA L-T·H.ROUG.H-A--H Y DR A U L IC-J U M p... -._-'.!.., HJ @ UJT INDICATES THAT HYDRAULIC JUMP OCCURS AT THE JUNCTION AT THE UPSTREAM END OE THE LINE ~:. HJ @ DJT INDICATES THAT HYDRAULIC JUMP OCCURS AT THE JUNCTION AI THE DOWNSTREAM END OF THE LINE :'," BOJ -. -->----~~l ~l :.; ...... > .. , . .::-.:'."::':~,,-:''''-':'' ':',.:, . -, '« ......... "'Ii~i~ :1 zt ,I 51 1 ., ~, ·1 ...... ". . ...... -... ... _---._---._-- .. ...:.-.~. .. ~ -_ .•.. __ ._--------------- . -' ~ -_._--_.---..-.---------_ .. -. .4 ~ t J2=~i ~I''c--~ :25: :~=~;L ---.!.::. 13t J:-- 31 ~~ !s:!! ~:J; -'£ ,~ " .3ri' £ '..:.:1 _ ... _:-,...... ,: : ... /.~: r' fj 1·~2'~ '<"', .. ' ._-----------_. -_.----_ .. _-. ... : , .~ ",' ',; . , :'~ '~.~·i ><.:..1;:£ I~=I I~'I' 147i"L. J4sf 1.!9i Is"I, '_-,.... ". j.O';'£ , ~ ~ -_.. H , I~ ~ ~ "T! '. , -:oj . ,. • j( • ~ :',-..,., ;:'-'" -, ~ :. .!i 11 .t' ~. .. . . ~. ~' "': ~ li:~t_ 59.~ ,£"J Itlll 162~ . tlS:!r'''' 1",,1 1::1 . _____________________________________________ .: ______________ jI67t ;'!:i ;~!; • !7~~ • t~~I~ ~. 17-'$ ..... ;7& 4;. • ~ ,., " I' ! f: :; :' ~1 :i: r .. ' .: ... :.; ~ ~ .... ,". LOS ANGELES COUNTY ROAD DEPARTMENT Or . ...:. •• :;.. ·1 ..... ~ ... ' ...... __ .... _.,.~... ,..J .. __ STORM DRAIN ANALY~IS (INPUT) .J '" .. ~-.; .......... , :';':" H •• "', ...... ~· ... " ....... ~~~_~~t.:-;_ ... ';:: ... .:,::.:.~:.;.:.: ... .;.>. __ ......... ~ ..•. PROJECT CARLSBAb HIGHLANDS A-STREET 27040.BDM DESIGNER MC_MILL9.~_________ b~e:_-.. ~Ok>t1._~'rJ_tHfl.<QV6~6.1JT_PLAu~_. ______ ... EDP JOB R4412 DATE 3/15/88 PAGE 1 , CD ~2 MAX Q ADJ Q LENGTH FL 1 FL .. 2 CTLITW 2!;i7.00 D W S ~{J ~'E ~'M LC L1 L3 L4 AI' A3 A4 J N / ~.-.. ~!.. ___ ~-h::'eZ._. ~~ 1??9 -. __ ._. 2 2 5L6 51.6 9~.00 2~6.00 288.90 0.00 36. 1 3 o o o. O. 3 0.00 0.20 0.05 o. O. 4.00 0.013 .·-I~--:3--51:6' .,-51;6' 80 ~'S2 289.00 '-290:92" '0.00 36."0 .·-a--o·~·OO 0 ;'20'" 0';16" -. 0 ... -4'--'6----0-' -0 ~ .. 90 ..... -O·~ '-'4."0'0 -0 ~'OT3' _-_._ ~ 2 .1 • ~ 4 50.1 50.1 101.25 291.02 293. 20 ~. 0.00 36. O. ---"--~. ----3 0.00 o 0.20 0.16 5 .. ------.~ 17 0 0.'" 9 (f. ~. -'O"";"-.. 4~ 00 0.013 1(,) --------.-------•• --•• ----- 2 5 45.7 45.7 158.50 293.40 301.15' 0.00 24. '0. 3 0.00 0.20 0.21 o 6 . 0 o O. . 4'~ 00 "·-()·.-Ol:3.-o. ~-"-.:7: -, O • :t: . ::' 1~~--45.7 ---45-,;7-208;76'-"301.35 '''30'9;30--0;'00 ... 24.----o-.-:r-u-;00 .. -0-:"2·0-0-:-0S----O--7-· --0---0---0:--0-. ---'0:-'4:-0-0-'07'013 .'~: '0 2 2 7 45.2 45.2 224.19 309.45 317.45 37.2 154.00 3i7.60 324.18 8 37.2 0.00 24. 0.00 24. o O. 3 0.00 0.20 0.05 O. 3 0.00 0.20 0.22 b 8 18 0 O~ 90. O. 4.QO 0.013 __ 0 __ -._-_____ ... ___ •• _ ._. _____ •• ___________ _ O. 4.00 0.013 9 o o 0: o. o 24. -.. O~-··~O;OO 0.20 11 o o O. 24.. O. '3 0.00 0.17 "0':09--'-0-TO"'-'1':)"-'-0'--0.' '40.--0-;--4.0·(}-·-0;-01a---~- O. 4.00 0.013 -2'---9" '37.2 37.2 ~96;44-324.30 -330~50--:" 0.00 I ~er--;:s.?f'~ .••.•. ~ 2 1'0 21.2 21.2 94.7_8 :330.60 ~ .. 332:~·.94" -0..00 0.2'0 O. 2 11 21.2 190.40 333.01 336.20 0.00 24. o 12 o o O. 21.2 O. 3 .0.00 0.20 ·()-.C6 O. O. 4.00 '0.'013 2-12'--21.2 . 21.2 268.88 336.27 342.17 "0.00 '24 •.... o. "-3--o~00 0.20 0:'05' "0' '13 "0'" 0 O. O. O. 4.00'-0.013 2 13 21.2 21.2 119.50 342.24 344.21 0.00 24. O. 3 0.00 0.20 0.22 o 14 o o O. C. C. 4.00 0.013 2 14 21.2 21.2 233.00 344.27 360.40 0.00 24. O. 3 0.00 0.20 0.05 o 15 27 ~... O. 90. O. 4.00 0.013 ·-'~·--lS---'4. 0'" 14 .'0--28:25 ~ 361 ;00 --361:28---'-''0. '00 ''1.8',; ---0:--1--0.00' --'0-;2'0 --0;-'05 --0--0'--0" --'0--0;--'-'0:---'0. -·-(1.·0'0--(1.-013.----... - o. 0.00 0.20 0.05 ~.~.-------.. _ .. _-----_ .. ------------~ 1.5 1.5 73.00 291.97 295.00 2 16 .,-...... 0.00 18. 4 o o o O. C. c. 0.00 0.013 .... _--------. ----2 17 4.5 4.5 8.26 295.55 296.'00 0.00 18. O. 1 0.00 0.20 0.05 5 o o o O. O. 0'. 0.00 0.013 O. 3 0.00 0 .• 20 0.07 :! 2 20 5.2 ::..:; --:;l-·--1S--·-"9.1·· 9. r.-· -'39-';-25 --318.03' -':3'1''3';'5'0---0.0'0' '18. --. O. --r-o. 00 . 0 ;'20 ---'0 ;0::;--'-8' --~-o----0--. 0" --'0.-' 0 ~ --'0 .-\)~. 0'0' ·0-:0:r3----:::. ~ ·~"2"'1-:1;..'t·· -. ---. . . .' 1""1 -----. -, " !~ 1 2 19 16.5 16.5 92.31 330.56 331.77 C.O~_.......:..~_.·_~O'--3 0.'00 '0.-20 0.13 .~~._~24. 25 O. 70.:_~...:.......~~_~ ... __ ?.:_0~_3 ___ 1'i~. ~:,l .1:: -.!' 0.00 18. o. 21 o 00. O. C. 4.0'0 0.013 5.2 227.40 332.32 340.27 :;-1--r-21 5.2.---5;-2-284-;80-:3'4'0-;-4'0-"359-;81-. -0;;-00--1-g:-·--0. 3 O~ 00 .-0';;-20'-0-:TB iz !~3 ·0-----22--0---0-90-.-... 0-;.--(1.-4-... 0'0 . -0 ;-01.3 --~~ 2 22 5.2 0.00 1·8. O. 3 0.00 0.20 0.05 o 23 26 o 70. 70. O. 4.00 0.013 5.2 31.71 359.92 360.75 2.4 2 23 0.0'0 18. .---------~ ----~~-----._-. --'-. o. O. 1 0.0'0 0.2'0 0.'05 o o o o _ .. ___ -_. __ . __ 0-__ . __ o. O. '0.00 0.013 2.4 17.41 360.8'0 362.00 -··· .. '2---24·---· 9.7 '-'--'9'.7--"-31-:.-28 332';'3'0--"333-:'-97 '-'0';-'00--18. 'O;;-J:-O.OO -0;-2'0-0:-'05 "-2'0---0'---0-"-0'-'0;-'-0';-"0';'-0:-00' · ... O~ 013--~_ . :: 2.5 20 '0 '0 '0 O. 0.00 '0.2'0 0.05 O. 2 2S ------'0.'0'0 18. 1 'O. O. 0.00 0.'013 2.5 13.62 334.8'0 336.8'0 --_. .. _---_.-.. _-------- --1.~- ----~---------------'---._-_._----------._-- . "\ ----_ .. _---'" .. ---.... ----_._----' .-e'-----· -------_ ..... ---------.. _' ,'" '.'0;. . --.. ' "'-~~ .• -""""""~'''~i'' "', ,~ •• __ • " .. ..-.-. ,-.,' -,.-,;; ....... J:"--, .• .. _~ci~£~~;,J~~~~i~~I~:~~~~1~~5i!3J;~1~~;*~4$it%~fi~~~i~~~;;i~~~~it~k~i,:~\t~-i~~a~)~f$,~~imiiii:P$~~~~, LOS ANGELES COUNTY ROAD DEPARTMENT PROJECT CARLSBAD HIGHLANDS A-STREET DESIGNER MCMILLON 27040.BDM STORM DRAIN ANALYSIS (INPUT) ----------------------_._---_._------_. CD L2 MAX Q ADJ Q LENG!H FL 1 FL 2 CTL/TW D W S KJ KE KM LC L1 2 26 2.S 2.8 26.48 3GO.80 362.00 0.00 18.. o. 1 0.00 0.20 0.05 23 0 .. -.. ---~----. --:.----------_ .. _---, -~-::--.-. --------,.:..------- 2 27 7.2 7.2 8.25 362.05 362.38 0.00 IS. o. 1 0.00 0.20 ~.05 15 0 _. __ .. ---_._---------.-----.. _--_. --.------... ----- -I7U-DBIJTCE""'RRROR--=-RBSUEiM n-IIATA--- .-------..... -... ,----.. -_._._--_ .. -_. -f '''''''t' L3 o o L4 o o EDP JOB R4412 .DATE 3/15/S8 PAGE 2 Al A3 A4 J N / O_Oi3 o. O. o. 0.00 _._-----_. --....,.---- o. o. O. 4~00 0.013 ~ {'" j ~ • i; (. I" -4 __ • :~ (" ;:,,1 , --_. ------------_. ,.v •... _ .... -. --.......... -.-~ ." I. t- " \ J!2' n:;' . ...,..:..i:~'t 1,;( -...... -1'':1 ::,r 1:':'.)1 ---------~----._--;I~ ~:I- 2.,1: ~J. .-------~:~~. ':.: 127'1 .-----_:.. ... ::'::.: -------.!-.--: • :-. _.---._---_. . ------... _------_._---------_.--- -----------------_ .. __ ._-_ .. _---_. __ ... --_ .. --_.-------_. -------... -,"--': -.. ----_ ... • --.~- 2.': !:.::-b:'( ---______ II?~ :'f :~~I- :'l(. l~~·i ,,-.... : ~ '.'. ~~~I • ,·l) 1 "7!'-.' "S' :~Sl SO-~ :~:,( 1.2: 1",,'3: i;4i _ I'SSiC 56' i57. I • !:::C 1".1 .:-. ~ ;:~<. '~4j 0;:'5' :6E" 167 ( ------:~" ~; j~-o ,71 t ~72' f7~1 .. !"""4---a--f~ ., c. "0 -;.: .. ~~ ., .~ .... ). .r, I ) ,,~ 5 LOS ANGELES COUNTY ROAP DEPARTMENT STORM DRAIN ANALYSIS ~ROJECT CARLSBAD HIGHLANDS A-STREET DESIGNER MCMILLON 27D40.BDM LINE Q ·D W DN DC FLOW SF-FULL V 1 V 2 FL 1 NO (C):'p) .( IN)~-'!'~.5FT) __ ~!-'Q_ TYP~FTlFT) (FPS) (FPS) (FT) 1 HYDRAULIC GRADE LINE CONTROL = 257.00 FL 2 HG 1 (FT) CALC HG 2 CALC D 1 (FT) D 2 TWTW EDP JOB R4412 DATE 3/1S/88 PAGE 1 (FT) CALC CK REMARKS --'------,. . -:"---2--51":"6-' 36-'-0'-0'-.'74-=-2'.33-PART-D-'·005·9s--2S:;O--·I4-.. r-25b.·DD'-21!-g-::'~rD~5":-D·O'--Z9'O-:3-S--!.0~r:-4S---O'-:-D-O O.(ro -; . ~. 3 51. 6 36 0' 1.50' 2.33 PART O'.005~~_J~.~4.G 289.0'0' 390'.92 290'.50' 292.42 ----1.50' LSD' 0'.0'0 0'.0'0 .. ~ "-t .. ~,:. ~ ) " 4 50.1 36 0' 1.52 2.30 PART 292.4S·-294.51 1.43__ 1.31 0'.0'0 0'.0'0 . 'y .' --.' :'..T •.... __ _ ....... __ ................. ... _ ;: ~ 0.O'DS64,. 15.0' 16~8 291.0'2 293.20' .2. ,;:;r-s-45.7 24 -:--·-D-1-'-50---r.;-97'--P-Alrr--D:0'41Y131.--r7:-G--r5:-4--293·:-4-<r· 30'1 .15 294.9"'.q-3\YZ:-9-r-1-:-s4:-~7'~·O'-:l)l) 0'.01> ........... \,:", . :,. 6 4S •. 7 24 0' 2.0'0' 1.97 SEALQ.04D81 14.6 14.5 301.35 30'9.30' 303.32 311.87 1.97 2.S7 0'.0'0 0'.0'0 .. -......... ~ j' ::~ -X-';' .. ·----o.77--Xnry::· ~O . . -.. -.. _... .' ,c· J .-7 4S.2 24 0' 2.0'0' 1.97 FULL 0'.0'3.9:92 14.4 14.4 30'9.45 317.45 312.0'1 320':97 2.56' 3.52_ 0'.00 0'.00 :, j', • L .-~ .... ,. ---S-.. , 37 • 2' 24----0' -·"1.-'·3S--1:-~r4-tUn----:o-;.\) 27 O"4--,,-r:-S---T1-'-S-'3TT':-G O'--:n4-.-rs-3 za-:-().q-32T:-2r--5':4-C-3:l>'3--O: O·D--o.1}(} ~;:.c , '::'1 .. ~ ~::. 9 37.2 24 1Q 21.2 24 0' 1.56 1.94 FULL 0.0270'4 11.8 11.d t ...... 1.GS"·FULL-0.008.(~ 1.11 0' G.7 G.7 324.30' 330.50' 327.21 332.SO' 2.91 2.30' 0.00' 0'.00 ------ 330.60 332.94 33S.O'S 33S.91 4.4S 2.97 0'.00' 0.0'0 .... ----n-. 21.2-24--' 0---1';-2S-=--1 ~65'··-SEAr;-:-C·;00878--6-;;'7-l:T":;G"--333':;;Cl.-"3'3'G':·20-33S:-9r-337:33'--2:90---'L'13---0':0'O---0-:00"'RYII-J~-- ~ . .;.' j" ',. X = 9S.79 X(N) = 0.00 X(J) = 9S.79 F(J) = 7.94 D(BJ) = . '1.24 D(AJ) = 2.11 :J ;:,-, :. '''-12 --21.2 24'-0'-1'.15 1.65--PART·" 0.00878--'"11.3' 11.6 '''336.27 ·"37t2-:17· 337.42' '343-:-30--'" '1.15 '--'1-:13 .: .. 0'.00 --·0."00·----------.. -· _, .~ X = 0.00 X(N) 159.82 j ::::. ___ 13 ,_2.~ '.~ __ .~~-,-_,O .. _ .. ~:_:~_ ~ :65 ..!~~~.:,,~~87~_,~.~~_~2.:.? __ ._3_~~:2_~_ 344.2~ __ .. _~43~.'3_ .~45.~~ _____ ~ ... 15 ___ . _o~: __ .. _~~~~. _ .. ,.~.~_O...? ___________ . ::ll 14 . .:::' '--15- I..!~- 1==.":- .f36: 4 :-'':''', 21.2 X = 14.0" 24 0 0.82 1.65 PART 0.00B7S 17.4. 7.7. 344.:17 360.40 :31S.09 362.05 0.82 0.00 X(N) 47.55 ' .. 18 ... 0--1. 50" L'3B"-FULT-0-~OI77b-7:'9 -7: 9---3G L 00' "'"36T.28-·-3·6·2-. 75" . 3'63-:-25'---'" 1':75 1.65 0.00 0.00 "1:97"''' 364.42-----O~D·O·;·---·-··--.. 0#-..... ._-------"._-----_._-----------------.------_._-----_._-_. -, _._---" HYDRAULIC GRADE LINE CONTROL = 292.44 ._----_ .. _--------- I. .j . -" .j: .J.41i 16 1.5 18 0 0.27 0.46 PART 0.00020 7.0 3.3 291.97 295.00 292.24 295.46 0.27 0.46 295.66 0.00 -.j' l4"1 X = 0.00' X(N) 19.10' ,. l~:~, I ' .J.4.; '1 i"'!'t • .:.6 ---_._---:) HYIlRAULJ:C-GR,:mr1:'INrCONTR(JI;"'=~29-4-:-73 ,) ~'. 17 '4.6 j 295.5~ 296.00 296.11 296.81 O.Sl 297.21 0.00' 4.S 18 0.56 o 0.43 O.Sl PART 0.00184 7.4 .. _------_. ~~'" ~ n . -'-"-"'---_. -----. -_._---------------_._----._----.. _-----_ .. ,.... .. -.---_ .. _---------'!..:: J:~:l: 8 -HYDRAULIC GRAIIE LINE CONTROL = 322.00 " 5.!: ':.C· 18--':r;r-TS--<r--'0-:6S--' -r:-I7--'Fur;:r;-0'. 007S0--'5:r' --s-:r--318:0-S-n9-;;SO-32T."OO-322:-25 3. ~"2 ;7S-~2T.""4--0-:-0·O ,-.. " ... "" ---_._--'--'-----_._-_ ... -----_.-.. -----. __ ._-------. ---_ .. _---------------. ~ a . ~ • 41 "~~~~~~i¥~~~:#~~~;~.?::~i~~~~~~i~.~0~~7:;~I~~7.~~i;,;~~~::~1.§~~~'~~~~~:~~':o~:~~~~~r1f:~:}~~~~~~~;:~?i~~~~1tir~!"='7'~ .'~'f ..... ~J..::~~~;i:~~i~~ .. ·; ... ~~.~;"" ~:,.' :;;~~~~~:..~J..:i .. o •• ~~.~ -: ~"':. ~,,: .. < • ~';·iz':· .:;.,;~.' ':'. -,.; .:;.~-~ :. ~:.;-~ : .. }..,.... ,. ": ::':]-.-··,-H¥ ____ .-: .. _.::..::. ___ .; •• :_ .. ~ .. ~.~ ...... :~.i.~~· ...... 4· 'i. .. r<.xi ~~·~~":'4'''''''~~';;:;~~:'''';,..t.....:..-.. :. LOS ANGELES COUNTY ROAD DEPARTMENT PROJECT CARLSBAD ~IGHLANDS A-STREET DbSIGNER MCMILLON $TORM DRAIN ANALYSIS 27040.BDM EDP JOB R4412 DATE 3/15/88 PAGE 2 .. at --.----.--.. --.. -----... ----.-~.-~r_----, .----------.' LINE Q D. W DN NO (CFS) ..5~~~!_N) (FI> DC FLOW (FT? ",rY?E SF-FULL (!=IIFI) V 1 V 2 FL 1 (FPS) (FPS) (FI) EL2 (FI) HG 1 CALC HG 2 CALC D 1 eFT), D 2 Iwiw :~ 'Ie eFT) CALC Cf{ REMARKS '. ----. -_._--• -••. -.....!""-..;..-. -----------~-. ---------.-~ , 10 HYDRAULIC GRADE LINE CbNtROL = 333.94 ,: (r '. ----19 '--1.(;-;5 24 -o 1:16 1.46 FUtL 0.00532---5.,3 -5.3 -'";330.56 331-:77 -333.-94. -334:-48------3.38--.. -2·.71"----0.00 ---0;'-00 ----.---"---. ..::... .. -,) 5.2 18 0 0.53 0.88 SEAL 0.00245 2.9 12.2 332.32 340.27 335.19 340.70 2.87 0.43 ---...:..' X-= '---42.27 '''X(N) -=----69-:'83' XU) '=---4'5.14 tt{J~ -"'--'1:.64 IHB.Jr· =------·O;;S3."-DrAJY=---l-:-3,9--A -...,-_. 20 0.00 0.00 HYD JUMP ::~r ~. ~ , -, 21 5.2 18 o 0.44 0.88 PART 0.00245 11.9 4.8 340.40 359.81 340.84 360.69 0.44 0.88 O.~;·-~·-;~OO ::v ......... ,,", .. "'"l~~t~ --X-i::'---'" O. OO-X (N Y'-=" -21 'T:'38 ------------------- 22 5.2 18 o 0.57 0.88 PART 0.00245 3.1 4.8 X = 0.00 X(N) = 0.00 X(J) = 4.05 F(J) 359.92 ~60.75 361.26 361.63 1.39 D(BJ) = 0.63 D(AJ) = 1.34 1.20 0.88 0.00 ._ .... _ ........ ,' {~7; 0.00 HYD JUMP .. i::'It, I • :: ~, -----------, --.----.---------------7' 2.4 18 0 0.30 0.59 PART 0.00052 1.6 3.8' 360.80 362.00 362.00 362~59 1.20 0.59 362.85 X = 0.00 X(N) = 0.00 X(J) = 3.60 F(J) = 0.61 D(BJ) = 0.36 D(AJ) = 0.91 -------------.. _ .. _-------_._._-----------------. ----_.. ._-_._------, 23 0.00 HYD JUMP !:-,(' _____ ~I.:"..!I [~~.'.t _ ... ..:.S.,_ ... .~-:;-:-;-'-''' ... _?O HYDRAUL IC GRADE L INS CONTROL .;<. 334."84 --..... ~v --'24-"-9~-7--18 0 0.66 1.20---SEAL '0.00853--5:'5"--6;4 -332.30 333.97--334.84 ·335.1T---·2.54------1;20--335.93---0700--HYD~UMP----;~_ X = 20.58 X(N) = 0.00 X(J) = 20.58 F(J) = 3.18 D'(BJ) =0.86 D(AJ) = 1.60 :~ t , \~- ---20 .-HYDRAUL IC GRADE LINE CONTROL = 334.84 -.. - 25 2.5 18 o 0.25 0.60 PART 0.00057 10.5 3.8 334.80 336.80 335.09 337.40 0.29 0.60 337.67 • :'~~.f' 0.00 --_.-. ----------.-.. ----~--. I" t I~~t" -----_.-._--------------------- 23 HYDRAULIC GRADE LINE CO~IROL !~:; 361.81 '-'-"0 .... .;:\,' ·,.---Z6----:;j:8--T8--0----0:-36-0-:6:3 .. -p"Alrr=0-;0007~;2--470__:300780 ·3G'2:"O"O-3·Gr.81-3G2;63 ':---'-:1>'1"----0-."'63-362:-92-----0:00 -Hyn-:rUMP'--i';;;i : X = 0.00 X(N) = 0.00 X(J) = 0.22' ':e(J) =' ---'''0.74 D(,BJ) '"'" 0.39 D(AJ) = . ,0.99 • I:.::..~ ------------------- :~·__rS_______riYDRA·ULTC--GR·~DE L7NE 'CONTRUL =-362.-'1'0·----------· --- 27 7.2 18 o 0.61 1.04 PART 0.00470 7.8 5.5 362.05 362.3W 362.83 363.42 0.78 1.04 363.99 I--~' 11:. 1S7! IS':' lSF~ r __ • _________________ ::~: ::'( \ 0.00 ',4. .. ..:, . . ------------.. _-. ----------------:T.~ .. ------------------_._---------._--__ . ____________ I. __ ._. ____ • _______ 1,1...' ,------------------ " .:' i: '-.I I"';': ,-·z· ~;I; .' . __ .-• -----,-----_._-------'--_._-------_._----_. -.----------------_._------------.-------,-' .-. ":';:- .. ., o. -i .. ~ --' .. ...:. .. --. ~ . ", V 1, FL 1, D 1 AND HG 1 REFER TO DOWNSTREAM END_ V 2, FL 2, D 2 AND HG 2 REFER TO UPSTREAM END X DISTANCE IN FEET FROM DOWNSTREAM END TO POINT WHERE HG INTERSECTS SOFFIT IN SEAL CONDITION .-~ . . . X{N) -DISTANCE IN FEET FROM DOWNSTREAM END TO POINT WHERE WATER SURFACE REACHES NORMAL DEPTH BY EITHER DRAWDOWN OR BACKWATER ( ? X (J) -nST'AffCE1W'FEET-rf(OM -UCfWNSTREAiCEN[,-tO-PO INT-WHERE -'f{YDRA'UCfC'-JUMP--OCCURS' IN L INE---.--.. -... -.-.--., .. --------:--.-.----.... ----: F (J) -THE COMPUTED FORCE AT THE HYDRAUL IC ,JUMP :'. ( D{BJ) DEPTH OF WATER BEFORE THE HYDRAULIC JUMP (UPSTREAM SIDE) . . '~: IJ(AJ) -DEFIRoF-WATErA"FTER--T'Ff:S-H.ytfR7:iiJLIC·-JUIiP·-{DOWNSTREAW·SHlln----·-··-·-----·---·-------.. -. -. -.----.----.-.. -... ----..,- SEAL INDICATES FLDW CHANGES FROM PART TO FULL OR EROM FULL TO PART : ( HYD JUMP INDICATES THAT FLOW CHANGES FROM SUPERCRITICAL TO SUBCRITICAL THROUGH A HYDRAULIC JUMP -----H-rG UJT --IND IC'ATES . THATIiYrlRAUI:IC'"""JUMP-1YCCURS AT' THE JUNCT ION--A1: THE UPSTREAIrENDOF THE -L INE-------·· .. -. -----------.----. - . HJ G DJT INDICATES THAT HYDRAULIC JUMP OCCURS AT THE JUNCTION AT THE DOWNSTREAM END OF THE LINE ------._. --------.. -.. -.... _---- A. .---.-..... ..., ,: ........ -•• ':t"-. ___ ...... ~ ..... ~ EOj -----.-----.---------~-. -------,. ._----_ .. _--.. ----_. -_ ... _.-------_._------------------.. _-_ ... --._ .. -- ~ .. -..... -.. '" r !u1 i'·'·· . ,,'5 C .. ~ ...... 4'f;t 1171 ,18'(. ;"~ !~ '}' ._----. . -.. ( ~ ------' .:~----~ .... -._--------_._----- ----_ .. ------~ .. ----. -_._-.--------------------- .~ ... -_ ... .~Sl i;!~: I:!']j( --:~: --_. .. ------.---------------.. --. - :-(. . -------.--;:----------------------._------------------;:::; : ~ ( J --'---------~ ~~:( -.~! -------------. ~-.-' 4;( _______________________ . ________________________ i~c; • ..!9j --------.. -------- ~.~l( :S2 '!S31 I:~( I~':'l! iS7! =---= __ G~:C isc'" ------------;-' 41 _ . ____ _ __ _ ,I ------.------~ --_._. __ . ----- .:,z,l . ____ :?.::l './:1 .,,;il ,-):r\.. lise: _________ • ____ • __ • __ <0 __ • ___ • _______ _ ---~- ---.. -==-=--~-=----==!~~t I.,..,.' 7:;; i:; \._ • ------_._----_._-.. _._._-_. -'. _______ ~r _____ • • • L ~~ j'. ~' fi .:' ~l r, ry. .1 I '2 ) ;3 L LOS ANGELES COUNTY ROAD DEPARTMEnT PROJECT CARLSBAD HIGHLANDS A-A STREET AND D S~REET S~O~M QkAIN ANALYSIS (INPUT) DESIGNER MCMILl.ON 27041.EDM -=e;.. ~Iv'\ CR.AtNIIVJPMV';;M8JT ~""::> pr--r -sH.EET". -:w /~ , . i. L2 CTLIIW ,2%.10 ., w s KJ KE f(·M LC 11 L3 L4 Al A3 'A4 EDP JOB R4412 DATE 3/15/88 PA,GE 1 J N I -~, j ~ t, I: { ~ .~ , i 50.6 '50.6 ~~-2~~50 299.36 0.'00 3(;. o. 3 0-=-<10 0.'2'0 50.6 '50.6 97.00 294.50 299.36 0.00 36. O. 3 0.00 0.20 0.05 1 30 10 0 65. 45. O. 4.00 0.013 i" 0.05 1 30 10 o "'C' 0';. 45. O. 4.00 0.013 f "I ' r- : .. ' 2 3 45.4 45.4 134.32 299.56 306~.98 p.OO 86.. 0.' 3 0.00 0.20 0:17 0 40 12 13 O. 90. 90. 4.00 0.013 !: :-:1 2 4 32.8 32.8 218.~9 308.20 316.27 0.00 24. O. 3 0.00 0.20 ·0.1;:l 0 50 0 0 O. O •. O. 4.00 0.013 " I:·~(. 9 { • • I~" :0'";' ;:, . .; .... <:! <i.o.1::! "';;-~i'/ <iJ.6.;;';! ;;.0';.8" -'-0:00 24. o. ;;I 0.00 -v.:zO 0.;,:;; 0 60-·-r.q 0 O. 45. O. 4.00 0.01:; i'-' .\, -~e.q-79 -::e . ' .' -.---__ ~,. . (' ;,2 2 6 23.6 23.6 340.49 323.~6. 352.77·' 0.00 24. 0 .• 3 0.00 0.20 0.05 0 70 15 0 O:"·90:~·-o-·~-·4 .. 0.o 0.013 . !:~ :::1, 2 7 '14.3 14.3 295.26 353.60 384.2~ 0.00 )8. '()~ 3 O,~OO 0.20 O.lB. O· .~O .. 0 ... () .. o. O. .0. ··:-,4~:O,?.~'~~'.:O.1-3.,"'~'~_ 'm~ -" "0' ... t:l 1".;;1 i't.;;I ;;,,'/.6;;1 ';::;4.;"0 JlHl.'tV 0.00 18. O. r 0.00 O •. :lO 0.08 0 ':10 0 0 '/;:,. O. O. 4.00 o.onl I;' 1,7 . .' "( :'6 2 9 14.3 14.3 29.56 388.46 390.00 0.00 lB. O. 1 0.00 0.20 0.05 '0 0 0 0 o. o. o. 0.00 O.013·~·. ""1 eET ~~,. . 1 2 " I~~ 2 10 5.9 5~9 I!,G.46 300.96 301.70 0.00 18. O. 3 0.00 0.20 0.05 3 i10 0':' 0 38.' O. O. 4.00', 0.013 .. ' .. " '!~~( ~:: " 1 , < ;:,._:\ '" lJ. ;:.).':J .;.:J .;VdU .:11.'1./.; .:l.Lb.V'J v.'Ov 18. .0. J. v.vO ,).20 v.05 '0 0 0 0--0. O. v. 0.00 0.013 !=s !~13 t °oon __ • • ...... ~...... I:!ct :~4, 2 12 3_.6 3.6 8',?5 _308.62_~30"l'~'20'--0_.00 .18 .. , O. 1 0.00 0.20 0.05' 4 0 0 0 O. O. O. 0.00 0.013 I~~' ;::1 '2 '13 . 9.3 9.3 28.25 308.62 310:20 0.00 18 •. O. 1 '0.00' 0.20 0':.05 -----4--~ . 0 ~-' o. O. O. 0.00 0.013 ·I~~( :71 I ~T, .. "::>-r/?9' i~: :::: ~t J. 4 -:; • / J • J --ad;'B/..:o ~.:: to'S:J .,j:!":::"-:-o~v-v·~-c-o"-rs-;--V-;--r--v.cI·:r-v-:-:rV-·v:-vs--"'-6---Tr---------0-"-"1J-'0-;-, -0-.--\5·;---rr;;7j'o-~-~ ; , ./"') I:" 0 i"'i <"')~ '-:fZ''j l. j~ .. {-. r. . ... 'iI", r: ;:;" '\ ( 1:·( ~2! I'" 1.; 9.8 9.u 0 .... ;:.) ;.:)..;", ... 4 "' .... 4.00 v.t;}v 18. O. 1 0.(0 0 .... ; v.C,:;) 7 U 0 0 O. O. O. 0.00 0.013 0:: ' '''. . ) <=( ~ ~ ~ .. .... '-,.: :~~II" I/O DEVICE ERROR -RESUBMIT DATA --.-' I:;~ .;r ...::u 04S~ ,T D,' R' ~ I~ ::. .. '-:, r s.<' , ;41 ____ < __ ,~~s( = ~ ~l ~ l~~ , :~t~ :~5 . ,ee; .!s st. " ~L J b .• : i6~f I ~( '~, 1~7 ~I! ~ , ~ ~~ I~;: ~ '" rz ~ ,·:1 ~;L ~; ~ ~ ---11 • • t,. v 1, pC 1, D 1 AND HG 1 REFER TO DOWNSTREAM END ( \J" ~1 ., _ n.'"> AJ..lrl wr-.,., r,T""T"",,;:n 11'rf""-T".,"AU ~ •• , LOS ANGELES COUNTY ROAD DEPARTMENT PROJECT CARLSBAD HIGHLANDS DESIGNER MCMILLON 27041.8DM A-A STR.EET AND D ST.REET STORM DRAIN ANALYSIS ED? JOB R4412 DA!~ 3/15/88 PAGE 1 ( r "I LlNE .. Q DN [lC PLOW SP-PULL .. v-:-r:: V 2 :'., PL. 1 "'.' n-2 ;. 0', HG 1 HG-.2----~ ... ' D2. TWTW~ :~INO <i::PS) (F-ik./~T) TYPE' (P:t/fT):·(fPs:.) .. ~.:(FPS):'···(n~.:. n:,~~·~".·~·:::·"CALC": CA~C (PT?'" (FT) CALC CK REMARf~S !;I<. 41 ·1 LINE CONTROL 29 .10 i' I I, .... slY ·.;1 2 50.6 36 0 1.20 2.31 PART 0.00575 13 • .2 8.7 294.50 299.36 ·2%.10 301.67 1.60 2.31 0.00 0.90 .~j :1 ! 9 ~ '°1 !" :12 ;'31 1°·· "5: . :SI ;17 :3 . ·1 . ="1 "::1' '''Z~i ;:.~l 3 45.4 36 x 5 32.8 24 . X:= .. G···23.6 . 24 X =. 8 9 X = 14.3 14.3 18 18 o 0.00 o o 1.10 X(N) ·1 ......... 2.19 PART = 193.39 1.39 SEAL 0.00463 0.01853 1.39 PULLO.018S3 .. ~~EE:r "";,~/~ ~ Hl'lJR7:tUL-ll; I.lJ:<AlJ.I;; LiNE t.;UNr:<UL 291>.10 18.2 13.1 14.0 15.8 19.3'· ~i:.'i 8.4 8.1 8.1 '8:1 " I I,olc "I', ,f,._ -.-. __ ~ __________ p21 "., .... 299.56 30G~98 300.71 308.46 1.15 1.48 0.00 0.90 I-lJ @ DJT 30g-=-~7.64 1.30 1.37 -··'-O~1f{)-,-•. ·D...~O.O> 14' • " 3' 3-1.6.39 323.32 317.79 324.58 1.40 1.25 :. 323 :66': 352'~"i7 324 ~ 48:;:-3'54 ~oo .. ' . -,' .' .. -. '. "",.' , ':;", .' 0 ~82, ':":1.23 384.36 388.40 385.75 390.03 1.39 1.63 ·388.46;': 390.00 .391.54 392.09 3.08 2.09 . .,':" 0.00 0.00 .. 0.00 0.00 .ou--o:oo 0.00 0.00 393.31 0.00 .",,~"~ ::\C .7 i!:l(' i '-: i:?"J • i"l, IZ2!( 22: _ 2~i I::! ,_l"Ij_ • f;l~'~ IZ~ I'<:';;'~ I~J\. .... -. ,2!lof ~:5 ~I.J4: " 0.00 0.00 :';< . _. :~~;(' _____________ .,!l::.~ u' I 10 5.9 18 0 0.78 0.94 PART 0.00315 8.2 16.9 300.96 301.70 301.60 302.08 0.64 0.38 :-.... :..:;' 11 5.9 18 o 0~32 0.94 PART 0.00315·21.3 5.1 301.75 318.00 302.07 318.94 0.32 0.94 319.42 0.00 "' , ~~I " .' ~ ~-,----_rrvmmcr~~7.rn~~or.~~rrM~._=_~~cnr_--------------------------------~------------------------------:~I 3.6 18 0 0.36 0.72 PART 0.00117, 7.6 4.3 308.62 309.20 309.09 309.92 0.47 0.72 310.26 ::1 "" 42 4 ........... - . ~-..... ..... '" . HYDRAULIC GRADE LINE CONTROL = 308.98 ft<" . ~ .:. :~.' '-I" .! " • :._,.>~> .... i.:, . -...... . ---..•. 0.00 . .,J.": 1 ,::=,1. ,<3;1:: '!d !~5i "E" 1 47!'--' -s, I'" sol ·be "3! .~tl 1 '41(' :~ -. :::1 .L~ ... ' ..,9,-.~3...--.T'~8,.,.:,:.-.. -,,-:::"",~.-,,:,-.:-':OT"~;~-',6"-.:"'i'-:~ .. -,IT"::-.~"-f""~-.;·-.""~""~1:"'1';R"":~"'--.-':O"".,;-:oO"".p7\"~,7"".:1:r~_"'(:-.::-,:::"".~'7.y'l"'.:·""/:T'~.-.;-.. ,-:7::~-t"",~r' .. -/.-;i.~;r"'~O"':,.Bt:r~;-:.7:'6"'~.-:,-.;.:...,!rr~"7'.~r,J:.""t""~~":-::~~.~o:T:.OTl' .... "'9-•. ...",~;.::~:--~3:rrrrl-·~f'C?'.--. .'.'9",.'-':7'T' .. 3o:T<-".-,;-<-.. "r-'''I''''g.-""'.3;;Ir_:r··.-1·1'---r'or.,onO,--------f,I~~:lc ...-------'SHE-E-T ~1j$ . .I:~;<..: HYDRAULIC GRADE LINE CONTROL 324.53 L~ .u; :..",. 4$i 5 _', IllSI ::i 14 9.7. 18 0 0.81 1·~20." PART" 0.00853: .. ~;' 9.0 . 6.~4,· .. 323.'99:',325.0'0-'324.87':.326.20 0.88 .. 1.20 326.% 0.00 ·'!··'l >t' ,.' :" ',.' .. : . '"':,,,: ".>..'; .. :,,, '.' -:.'.'.;., . ., I~i' ~ ~l '31 I~~C ··...;1 .17:!t .• .;, '.:. ':' ,~,> :( :'.:. ... >~::~., ::., .... ,":;'., ..... >';:. <~:": .... --;.;~> ;./.,. ',' '." ' l~l_ cD ". " . :, . ..... .. ... ' ... ' -.-_---.lz.~ L ._---_.---.-.~ ---'--_., --_ ... ~-, ... "~ -' " " ... j~~~~l~fi*~:gfil~~~f~:i~tg1tb:\~~::;~~j~~~L::.::'~i·;;~:~:;~~:;·~;::.~~~ti3.l:~>~~ii§2!":;·::·;~,:::~~·:g~i:~;·:.:;",t~::::::'::~~:'l::::'.::::!-:-; ·~:~;c::~:::!:a~~~·J;,7.;iY~:{~·:if.tti.t:z~i~~:::t]~~~;£fu\~r~~~"r:'~;~~~~!·.,. LOS ANGELES COUNTY ROAD DEPART~ENT ?ROJECT CARLSBAD HIGHLANDS ~ESIGNER MCMILLON 27041.BDM A-A S.TREET AN~I D STREB'! STORM DRAIN ANALYSIS EDP JOB R4412 DATE 3/15/88 PAGE 2 (' ~ 1 D' W DN--mIfC---FLaw --sr--l:~--V -1 V 2 ELI." £L 2 HG 1 -HG'2 D 1. D 2 -----:-tWTW .' ..... : ,. ..... ',.' ..... 11 NO .. C~~::: (nOCHO (FT) (fT) TYPE (rTlr:) enS) (CPS) eFT).:.:-',:'\·(rT) CALC CALC CPT)' (PT> "'~ALC",·: :;~~(" ":.R~MARK(;:":··>4' 7' HYDRAULIC GrlALIELl.-N]-Cu'N'.nwL 254.li1 -.J 15 9.8 18 o 0.62 1.21 PART 0.00870 t ....... ... .~-­... .. -... -~~ 9.5 6.4 353.44 354.00 354.29 355.21 0.85 A ---.. -4 .... 1.21 355.98 0.00 .-: .. '. ;·1:~1(T . . .... : 121 ''' .. -., ~. ----.. -r:: (t '" '"I ....... 16 ' ... ; .. : ..... ::. :.::: .::.: :.:,:~':··+~7}/~~<~'··t~I~· "" ~Ia. 2 .. . ,""I 2811'1 271"". :lSi 20 ~~i<d- 32 ~:t i3~iQ, Is!!! I':~(I 3"1 ...... 401 ~~ --~ 14:1 --. " -.. , .. ~ :~'J,. ,-~. '::\ 4~~ .. 4f', -" . ~ .I :~;~>:: "'\ .. .: ~ "',"" 47 " .. S .. g ·'~I<L. 52; 53 ::10... 56 57 ::IL 60 I·:~lt. 83!V' &.o! "l::'~ 87:~ . · .... i ~~l ~!i~ -----. ---~l~ , 'd. ; .. :::-:. <::. )~,;" .. : . .':y. / t ... \ ~<)': .;'~~:('I~~'" ------"---l.l-------~-~. . • ~ ,--- --_._-_ .. _--~ .-.----., .• -... -... ·~'---=--;:;"-..,-...... :.s:)"'" .. 1V.-i9' ..... ·--.~':.· ... ·,.II{96II:<i«e ~< 4 A)4Cp;"'i4*., .. 8.?dI", ..... ~O:~:...: .:. ...... _ ..... ,. .. _ .. _ .... ,\ :~; q.-: \~ <,,?- . -. ,-' :.~;~;i~:;i~,:.~~.;~::£J~~tr~~~J~i;:~:~~i:.=.~~:~·i::~~·5,·.~;·A::.:·:i~~.::~···~~:::'·~:::~::>::b:G~ii:.;~~~·if:;taii:!::~~:5.&E;~~~i~iill.~~~::~?jii·:..;i~~~·~l~Z~~:~!::~i~:~~,~;:::!:·::::~·;·;:~~~-~:~~~~~~;s1ili~~~jRiZt;~~::~~~~:;;ti¢~~~,~~~~r~~~~~~~~ VI, PL 1, D 1 AND HG 1 r,EPEf< TO DOWNSTREAM END i('" V 2, FL 2, D 2 AND HG 2 RE~ER TO U~SIREAK END X - D ISTANC'E IN FEET FROM DOWNSTREAM END TO PO HIT 'wHERE HG INTERSECTS SOff IT IN SEAL COND II ION X (N) - D IS,TANCE IN FEET PROM DOWNSTnEAM END TO PO INT WHERE WATER SUl~EACE REACHES NORMAL DEPTH BY EITHER DRAWDOWN OR BACKWATER ~ ,X(J) -DISTANCE IN EEET EROM DOWNSTREAM END TO POINT WHERE HYDRAULIC JUMP OCCURS IN LINE , P (J ) !HE CUMPUntl PORL;E AI THE H'iltRAULIC JUMP , "" " I '~ : i D(BJ) DEPTH DE WATER BEFORE THE HYDRAULiC JUMP <UPS,TREAM SIDE) ",! .. " ;. " l~ C' I D(AJ) DEPTH OE WATER AETER THE HYDRAULIC JUMP (DOWNSTREAM SIDE) ~" 4 tinA fH<l 1 tU40L U M J: 1"' ,t{J. ": "I HYD JUMP THAT PLOW CHArIGES Ef(OM SUPERCRIT ICc!\L TO SUBCR IT ICAL THROUGH A HYDRAUL IC JUMP Is ie. ,! HJ @ UJT INDICATES THAT HYDRAULIC JUMP OCCURS AT THE JUNCTIOK AT THE UPSTREAM END OF THE LINE 1:1 ' HJ tiL LlJ.i J.NLlILA'.tES '.i.'HAi I1LI1<f.\OLJ.L; ..101-11" Ot.;\...UlIti At THE JUNCTION AT THi, llGWNS!l<BAH END ~HE LINE j9 i ' ~ .101.,.. .; , .. -' l:t.i , EOJ -., 14\ , " _ ". _.,._ 1~3! J~--::r " 1'7 " ' ,. '''!~~ . , " 191~ ,20 'I 41 ,I . ::'--' r': \ 2,1 ~ t I" 26 'I 271(" 128! ,; '1 'I . ~. =1 '::1 1:::91- 1 3<\(' :11: • 3~ • i ,.; [t-, ________ ----,1,,1 . t ~ I:i , 1 ~IL ," .. __ . 144, ~ t -:1 ~. :! .•.. " .. -. .~i ... - '1 .... ---.. J ~I .. '" ~ ~q I 1~2' , ;d 63:(; :! ,6~1(,. , 167• oe J I . ~ . ~ ..~ II IJc --- - -.... ":.-':' "";:-.:: -'.' ---.--:.'-=~-- - -......... ---;--;.-.~-' ..... --•. -::;;;-;·-·7=':iY3.:-_-:"~;:;;'''":'I:l"",~.-:-~':::-.';;-;·::':._-;''.,':·r..'';:-~''::'':~'~:r._::".,~:::~7'-';-:-.:-:::--.. '.-•• A. -.' _ " (~ .. ' ,.!.:.,f,': .' '.r' .~F~~._ ... __ ... :_., ..... _ .. _ .... _ .... _._ ,.· . .J./:~ .. ~.~ .. _..:.4·~ ....... 4.·_ ...... ~ ___ .... .l~.~~ .. _ .... .:.-_.': ._ .. _ ... .....0-. _ •• : • .: .... ".:" .,.1. .... ".-.... " •• ' ..... .:.:,' •• :. ••• _.: .... _, •• _'" ~ ••• '. LOS ANGELES COUNTY ROAD DEPARTMENT STO~M DRAIN ANALYSIS .( INPUT) PROJEC7 DES1GNER CARLSBAD HIGHLANDS MCMILLON -s%- STORM DRAIN ON TUCKER & BA~N&S ~W\ ~ tJ IIv\PR0\l'EVteJ"r F/.AIJ~ "2704"3.I5DM .: ., ........... ;'1 __ ,_,',-"" _:. ... _ .. ~ ,,"'_ "._._ ............. .t. •• :.o-".: .... : ................ : ... __ • .:.. __ .:. ...... _~{.: •• _ •• _ BDP JOB R4412 DATE 3/17/88 PAGE 1 ( ;' I t.:D L2 MAX Q AllJ Q LENG1'HfL 1 FL 2 CTL/TW D \oJ S I-{J ·1-0; f{M LC L1 L3 L4 Al A3 A4 J N 1 II~' (,~ $ 1 4-jE£i :~/:%£> 295.53 .:. ~ ( I" ~: I :.:! :4 11.0 ~ooo.O 53.00 295.00 306.89 0.00 18. O. 3 0.00' 0.20 0 •. 05 1 3 0 0 O. O .. O. 0.40 0.001 I' ,,' 11.0 8QOO.0 188.69 307.14 318.73 0.00 IS. O. 3 0.00 0.20 0.23 0 4 0 0 O. 0 .• O. 0.40 0.001 i7 :~ I 2 3 i~ ': I I.", 2 4' 11. 0 . SOOO • 0 108.69 318.84 321. 74 0.00 18. O. 3 0.00 0.20 0.23 0 5 9 0 O. 90 •. O. 0.40 0.001 ,'" " · . I,~ !':i 4 5 4.0 ~ooo.o 1"ib.,"4 ;:!4J..S", .. 30.08& 0.00 IS • O. 3 0.00' 0.20 0.-&9 0 6 . 0-__ .. 0 .0,' _ O • O. 0.40 0.001 it~ j •• iu .. .,.. -"'-"'-'1;" {'21 2 G 4.0 8000.0 268.4S 330.41 35:3.30 0.00 18. O. 3 0.00' 0.20 0.10 0 7 0 0 90. O. O. 0':40 0.001···'~·· I,,, ( ,"~' ( ( c: r" t':1 3.,:.'''0~oo . 0.20 . '0:0'5 ~ " '. . -.... .;.. ~ ,". , 1;a1 ~. 4 2 7 4.0 8000.0 '. 8.25 352.47 352.90 0.00 18 •. ·. O. 0 8 0 ' .. :0 17 .:, ~,O ... ; ·0. 0 •. 40 0.001 tS '5 ';''', " :'::1 '" l:l <l.O .:1.0 /4.<lb ':>;J.:i.Vb ,j;)6.00 0.00 18. O. 1 0.00 0.20 0.05 0 0 0 0 O. O. O. 0.00 0.001 i"" I:~ j2. 2 9 7.0 2000.0 8.25 321.73 322.00 0.00 18. O. 3 0.00: 0.20 0.05 5 10 0 0 20" O. O. 0.40 0.001. b. ~~:! : r~' I 2 10 4.0 4000.0 33.00 322.13 326.00 0.00 18. O. 3 0.00 , 0.20 0.05 0 11 0 0 o. ,. O. O. 0.40 0.001 . 2':-. ."°1 ::., ... 1 "I r,';"'. ,2=: (" - ( ( 221 ., '" 11 «.0 'iVVO.O b;).OO .:L":b.«4 350 •. 09_ 0.00 18 • O. 1 0.00 0.20 0.05 0 0 0 0 O. o. O. 0.00 0.001 jZ' !:-: __ 1 '~.J t;...!. ------'::'\. 1_. ~I ~ (' . ';1 I;:' . " IIO DEV ICE ERRDR -RESUBM IT DATA . _____ l~:( : .. , 1 "I f .O! I~~( _____ . ____________________ L.~ "1 . !~'i I·~~{ j ~ :"1 ,-_. I:~~ 1 ~ ~~:I'" '". I::: ';a .. " :'.~ __ ...... !i:~ : . '" ....... _... -.-~ 'I":f'-!""Sji .•• ....,.. . _. ,; .• -:5_ • . t"'1 '---.-. "'~ .----\;../"'. . .... --', ----.~ I~~'(' l !1 """'....-----.. 0 ::'2 \ ..... -.. • ) '!S6~ ( ;:1 ',' :";':!:.:~,. ':::.::;,~... ~.. ,.:.;',;' .'//' .. -~:~~.. ~--. .... '.' I:;~' '15 ~' " ' __. 16C '''6,' . ..----., 161, · \ . ./ ___ 6: .\11 _ • ' '-.-" ~-163~' ·:<31 -~ 6~ ..::91 ',.1 · ~:I .-. ... _--'"""":.": ... ~~:.;.~-... ~ . . . ,. I·~· i:~( 1 :tl~' ~I ~ 53 ,:", t, '--' -.. l~.( N k '51 ~. -~--\ ----~~----1:~1 56 .... ". 1;,1.- o • • • ~ l. -----.---.---~ ---------------_ .. ------------_.-._-._-------_._-.-.. ---, ... .:' . :-.... -' .. -... ' . "' .. -.... ' . " " . ---.~ .. ~ ',' . ~ . :::.. . -~-=-.~.,-... _ ..... ',-' ._ ... ~. w :;,,. ••• , •• -......... ~~ ",', • .!' ,-", _.?_~:.:-:. ," ... ~:_;:;r:.:-:: .. ~;.~::.!\.~ .. ;;-..:~ .. ;\:,; •.• :!. _.~.-;;.~.: .. : .. , ~·:~.~:.;::;i.~:l:· .. :i.:.:;-::.:fi~·~~·~ .. : ~~:·3f.!t~~:.~3~iE .. ;~~~;&1,.~!~;~~f~:·::;~:.:··{~~:~·~s~·L~:..:.:':', LOS ANGELES COUNTY ROAD DEPARTMENT STORM DRAIN ANALYSIS PROJECT CARLSBAD HIGHLANDS STORK DRAIN ON TUCKER I BARNES DESIGNER MCMILLON 2 HG 1 CALC ~E..e\ .-::>~/~ 1 RYDRAULIC GRACE LINE CONTROL 29~. 5~~ 2 11.0 18 0 0.13 1.27 PART 0.00006 19.7 32.2 295.00 306.89 29 .. 3 11.0 1.8 0 0.U3 1.27 PART 0.00006 32.0 1-9.1 307.14 318.73 3o...?~. :51 9.39 \' 5 4.0 18 0 0.11-0.76 PART 0.00001 ' 38.6 36.8 321.85 330.08 322.01 - 6 .4.0 18 0 0.10 0.76 PART 0.00001 37.3 4.4 330.4] 352.30 33.0.58 8 3.0 18 0 0.10 0.66 PART 0.00000 15.0 4.0 353.06 356.00 353.31 4 HYDRA_ULIC GRADE LINE-COt,TROL =.-31';h33 10 4.0 ~8 0 0.09 0.76 PART 0.00001 ~39 .. 3 38.6 322.13 3::l6.00 322.::l9 11 4 .. O. 18 0 0.08 0.76 PAf<T 0.00001 38.0 4.4 326.44 350.00 326.60 .. ,.,' .......... -.. ~ ----..... -. --";. .. ,,>;: HG 2 D -I D 2 CALC (PI) . (ET) 3.1-9.'27 0.37 0.54 3.22.45 O.5~ 0.71 330.25 0.16 0.17 ./< 35~.0? ' 0.17 0.76' 0'.39 356.66 0.25 0.6 3261;16 0.1f. 0.16 35q.76 0.1f. 0.76 "' EDP JOB R4413 DATE 3117/88 PAGE 1 TWTW CALC . CK REMAR~(S 0.00 0.00 0 .. 00" '. --0...0.0 0.00 -.: 0.00' 0.00 0.00 0.00 HJ .@ DJT 0.00 0.00 0.00 0.00 351.13 0.00 C e r-,.. \...:, ':.~ ;.~I , : • .j .·:L,L~(;:;3;r:::'l:~:~~t.i~~~L:~:::.~~~·,X:};)S::~~~':''i:.:::~ ~.·;:.:'.:~·ic;:;:;:;:~:::~::J~:jii::L~i:'::';:;. :.0iSt;:!'!iJ';:,~i~~:~J±i~~~~~lt:i~t:'!: :::~~::'~l~~~~~,=,~~:~~rf{~~~1i~4~:f~f~i~gj-~5 '~~~l~l~i:. , , .: 'e ~' :.c :.;~ .~ 12' ;4 '!~i · .. ·t. VI, PL 1, II 1 AND HG 1 HEPEI< TO DOWNSTr<E:;M END V 2, FL 2, D 2 AND HG 2 REFER TO UPSTREAM END X -DISTANCE IN FEET P~S:i DOWNSTREAM END TO PO NT WHERE HG INTERSECTS aOFPlT IN SEAL CONDITION t X(N) -DISTANCE IN EEET FROM DOWNSTREAM END TO PO NT WrlERE WATER SURFACE REACHES NORMAL DBPTH BY BITHER DRAWDOWN OR BACKWATER X(J) DISTA~CE IN ~EET FROM tiOWNSTREAM END TO P~O~,~~~jT~W~H~E~R~E~H~Y~[~IR~A~U~L~!~;C~'~J~U~M~,P~O~C~C~U~R~S~I~N~L~I~N£E~~~~~~~~~~~~~~~~~~~~~~ r E (J) ..;, niE' COMPUTE-I) FORCE AT THE HYDI<AUL IC JUMP-... : ,', , , '" D(BJ) DEPTH OF WATER BEFORE THE HYDRAULIC JUMP (UPSTREAM"stDi) : " ',;. D(AJ) -DEPTH OF WATER AFTBR TH~ HYDR$ULIC JUMP (DOWNSTRDAM SIDE) SEAL IND ICATES FLOW CHANGES FROM PA·RT TO FULL OR FRori FULL TO PAR'! HYD JUMP IND ICATES THAT FLOW CHANGES FROM SUPER,eR IT ICAL TO SUBCHIT rCAL THROUGH A HYDRAUL IC JUMP HJ @ UJ! INDICATES THAT HYDRAULIC JUMP OCCURS AT THE JUNCTION AT THE UPSIREAM END or THE LINE HJ ~ DJT INDICATES THAT HYDRAU~IC JUMP OCCURS At iHE JUNCTION AT iHB DOWNSTREAM' ~ND OF T:IE LINE ;:i EOJ '.' -,: ~ '-'." .... -~I:~ ~. c : ;.' ',c, ,:; ---.1"1' , :. ,., ,.' '~;.. .. .:~ ,~,: .," 18 .. 19''': =---:--~~--=S2"!' 211 1~lf 241 1:lc .~~i IZS:" 130i( 1 31, , ~2: 1331 !~;:(. b6~ --I~d 1139;(. 401 l--~ :~f-­,--' !:!I I -::Ir 471 48 . :~I(. rill " .L. ',,21 ------" -I~(-. -r-. __ __ ::j ,>, 1"71 ~ ·c -" -, -,' , .. ..:~! . .::.! . ~':,' -,,: ",.' ~===---====1~'6:i(~ '!:~:(, . e4! fS,' ~!: r~ ~!~I ---173, 74i ... .~ 1= ' . -" ,"" -c • ------:--• .,! ,1