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CT 82-12; CARLSBAD HIGHLAND; HYDROLOGY STUDY; 1987-12-10 (2)
HYOtWL06Y.,.5TU.oY ..... _-_._" QqRt5B90 H/6t¥m~CC3, '. ----.. _-- ,t:; 10/ 50 ,. I"" Y6I?R HYO/e0tL76Y STUPY 1JR5 LJolJe: ,F?/,€ aq.eLSB190 HI6Ht.FJI//2S. me CO/"f,PVr~ (/ScJ/ . THe /983 91t</O/c60 IAira/S/lY -DU,eI1T10J./ tJESIGt<.! cl-l~Rr f?7NO THe Sh'N' 1//6"60 COUNTY URS,e?N ,t::;;eE,£7 O//ERu:7tV,O T/He Or FLOAI CURI/E To OereR/'1/Ne TIlE 7C.. IfJ/r/;:?L ;:::JiJ,qLYSI.5 MRS I?ESTRICT££) TO OA/e i,ol) 0I.5C.J..I'&;1?6c A/,L/5 THEN c,..q-;:::elep 4l0A/6 R S?;eE£T .6urrC:R TO;::? ..srCYeH IJ~#/. O/.sCH'~,e6c.5 h7Nt? . TRRl/cL. rlffe-.5 Jfv"e£E /?PPtP' ,4t.oA/G 7i4/e WIf?Y. "tJHeN 2 S7CJ~ p,e,.t;;/N5 HcET,.~ {Jo/Vrt..UeN'C£ • .,tE'BUt..TeO,qNP tHe STCJe/"1 OKr?IN'I-/I7f/ tHe H!6NeST rc 6OI/cRNeO.. t r,q!3c.C m DelQeNNe:' C(/~·/A/{.er S/Zt[S us//./c· Q=-0, 7t.(a-/o y) ~ tr. ('7. ) ('CFS) cPr. ) ST. gr;:(. 9r. StoP£" Q .DEPTH ·L WR;-I R ;?/r4Z9Z (.88 ,3,3 r 0,30 3.9'-61 I , , I 10.45 1.s!21-141 SOUTI1' H' 211-45.70 !I,BB 13.4 I r°-f6ZZ6 i i , , b.35 R ~oo IS l?,3I-9/ : !? . r , I /3'.51-/4/ ,Q ;/0+6/,73 4,00 !/27 ~o.2 i I , I ,t3 1I7+00 ,Ia? 41 .0.35 45' -5' f ! i .Z.8 3. Z' -51' !3 '(7f"OO Ia> ,CJse f I IJ.8' -,51' 1.3 1/01-57.66 ;/.6"t? 3.3 ,0.33 I i ./3 ;10 T-~tJ. 82 1.00 3.3 .CJ..:J.3 ! 3if'-5' I i ! C> \ZI-r09 ~z.oo /4.4 .0;47 j;3.9' -14' , i I , £) :/5'-1-.:59 12.00 /6.Z tJ..J'8 1/7.4'-/81 i I -G I , 8.4~ ,,/ r°f"8Z-Y.S5 ,7-6 ,0,35 I , 1285 , H Yc?r 82 .5-7 ,a.Z~ ;:18/ ..,...51' : , , i i , i0,36 z :/4 r56 :7.G?c? /2. 7 /3.~-141 ! 131-94 ! .r .59 I 6.9 -7 1 7c:t/ i0,30 ! I i ; ! I .I 1111-82 !7.CV ,9.3 ~35 1(7.3'-//1 , 103s f ! I B,.t:?RA/E5 'Y2-r02 5.6CJ ;q.2 ';0.2 ,_ 1 I" ! ! I I ' ]35-1/9.95 I I /.5.91'-! 6 I' PRRNE5 ~ZO /5.5 0.41 i i i 1 I BP,l?Vc5 ~:rT-4Z.?Z 4.5(/ i.J.5 .0.27 431-.5' I I I l5..x:? I L3,q;e,<./Es 561'85 I 44';.51 J,h b,27 /Sr86.66 9.00 Z.4 b.40 2.S'-S' -ru~,t;Ce 147' 7/.2Z roo 2.4 b40 z.s'-s/ I ! 7VCKeR VOr-77 l!Cb 10,2 0.4 /0.6 '-/1/ I i .3CJ -f63 ~z..> '7.2 0..36 7.8 /-B ' . .r~ 139~63 ~25 /4.2-(;23'7 )4 "-/5' I I I I /-lL/-; !271-.34 i1-8? $.8 0.:3.5 6.4-7 1 , , IZ7.f.54 I i "c;-~ !/.87 15'..3 ~d'8 /45'-/5i I I I 1,05.8 .I I SUN? I W Q.. 0 ..-I (f) I-w •• W 0:: I-(f) I.L 0 ~ 0 ,. 2% 14-· I~- 9- B- 7- 6- :;- 3-· 2-:· . I.B-;- I 0.5-' 0.4-i I ~ 1.5'--1 _------n = .0175 r~Dne:PI·hOI5. :1==~d!~~2~~~n-:::::: _ . 0.13 :: RESIDENTIAL STREET f ONE SIDE ONLY ! . . . :. ~ . .::.... 1. 3 EXAMPLE: 4 5 6 7 B 9 10 DISCHARGE (C. F. S.) Given: a = 10 S·: 2.5 % Chart gives: Depth = 0.4, Velocity :: 4.4 f.p,s. 20 30 40 50 / SAN DIEGO COUNTY DEPARTMENT OF SPECIAL DISTRICT SERVICES GUTTER AND ROADWAY DISCHARGE -VELOCITY CHART DESIGN MANUAL APPROVED /JI;I.~· APPENDIX X-D t • -;;' 0' I CITY OF CARLSBAD CARLSBAD HIGoHLANDS HYDROLOGY STUDY 10~YEAR HYDROLOGY STUDY vv. o. 270 ~ 110 0 ..,. --INTENSITY-DURAT{ ~SIGN CHART ~ /0 YR. :JTOR~, .... It', ~ .,..-' -·r.~r.TriTrrm I '--.. " I ' ~~.~. ~~~Jj+~FI:( Eq~~~~~~;'''III;":::''''';I~'~;'p' ·I>~::·64·SCb:fi.trTHmi Directi.ons for J\pplication: 7.'~' .t~·\JiJ7.:: .. l ' 6 1) From precipitation maps detennine 6 hr. and . N~J1:," -..... PI') I II Intensity (In./Hr.)· 24 hr. amounts for the sel ected frequency. ~ •• -~-}.~-.~ '1 1 : .1 n--i = ...' These maps are printed in 'the County Hydrology So -~-~.r~~: I, ! I ~1"IFl!j :1~. P 6 6 Hr. PreClpltatlol) (In.) Han~a1 (10, 50 and 100 yr. maps inc1 uded in the ~Im 'I. .N. I ~I;I t8! '1Ii,hU"; 0 _ D t' (l.t' ) Deslgn and Procedure Hanual). ~~lli~fl"N11 'U~I .1." -u!~l.on I'l.n. ~ tRl, ~:J :~I'''~~li~l+W.~~ ,~trl: ,'iil:j; i ,. ~ ill! j::q. , l'E!'f i:ll[fF !1;;; 2) Adjus~ 6 hr. pr~cipitation (if necessary) so· n' t I' l}tfltll~ r~rk 'I}J~~II Ir I f ,,111-' C-J' ~ <l:tr~ r.-· ;'·1 P::' that, t is \'lith~n. the, range of 45% t~ 65% of 3. .. 'fl-~":·-l'I'~"· 1. J~h ,i%il1 ;~rt:.~ I I~I ~ I rtl'l::t:kl·~:¥?ffi:·J:. ~I:If1.l!t the 24 hr. precipltatlon. (f{ot nrrllcable , ... 1:''1'''''-1 _ fl" ." ·IL It ~!til.l'~ I I! ~II I ~11i7' II .::.:.I:::~7f-:-f~., :1, -~II' !il! IL to Desert) -.' "If ,rl I. 'I ,'" I, I 'I 1~4-·-r-+· -1-' .-.... I .-~ .• -'L "'1 . I ... I'" I" I, I' I Ir~ll~ ._-. -· ..... 1;-'II"'·:~, II m .... T-. -I' ·llim· 11:\' '!ll til ~lI.l·t' III1 IIU;i·I...ult~'jSl·1 '-:.:'::t1"" . .J:-'11.1+ j'i:ri1r:;-; r;:7ii g of the chart. It I 1 ~i II"'-!.!; 'li~'111 ~l'-I .-",,·t·+1 ] .. , 't' '''II -s . :'.':. i I: [ 'I, I"'~ ~ ! Ii; 1 q; '.! I. ". I ~ 1-..• i! i i;': . *\:_ 1-~:tj+'~I":'lIJ'lhl;lll ~:!;'~:IIF~~~i'~iftlJ~l~+!IIHi ::;:11' ~ 14) Draw a 1i~e through the point parallel to the --':W'-i'rrRJ1 '11' mttll' !hlll~M-L:111 ,,~.:JI~II ~"I~!'I tl'~I/' !..'~l~:: 1:':1.~. plotted lines. -·1·I·i I . I I I I i'i I 1.1 j fS-: ''I ~ tf"~ I '! ~ ,I .' ... : I: I; . '"0 , • • r • I.: . II 1 ,I 1 I,t' I' . ..I, I ..... l.~-!~jJ-,!.I~~.1 ~!l. tw iij~j:i:: !lllrtm~lll,m ~!a:~! Ill-I! 1I~~!<~ ::11 M-t5) This line.is th~ intensity-duration curve for I II III ~ i1' ~ .. ! ,'I' "+"il' .. ,....--. -1' • rl' , , ,,·5 5 ...... " ~ I '1' I~ i 'II I ,:",. 0 . J~' ... I.).I I r,_r:-":1 m.;liif 1:,'1'1 !Hj' j.lrrrn1.r P.I·lll· :r 1J1:1~'::r, ~i I !-~-.!! 1:(!11;;1·,'!~6.0 ~ the locatlon belng analyzed. ':-' .I-;:~ ~ ~,,~ .' t 1"".;.1,1 -m I II 11'I'I'I'i~_LI"I-"'I-j" q~G1f::.i~5.0 ::l .. -. . . ..... '1";1 ,/. It ,1!lf~ .. >'IIIJ'iN'U·":'1·4 5 -...... .... . . I ... !;.r'I.,-·-l-I'-.....:...!..;... :!.tlj..·.I.··.:· ~ . .. ...•. .. ).,. . ~ ':I' I -I ,. . I ' .. ,...... • • s _.:.~...::.._.:: :. ·.1. . ~ j . ~,IH:·::..,. ··I·.l·!'·' IlL "!:I,:::I'~'O ::l ' Applicatlon Form: . _'. 1-+-.. .., . L. t' 'f ,.. ·3 5 n '. . .s ~~'I'~ /" :·of ," .. , 1'!,1~ bf:-~~'l'I±:mtll'l~n;' ;::!I · ~ 0) Selected. Frequency' '/0 yr. t .. .... I '. . . I t-~;-"· _. -I. -!-l.l r~' .I ,.... 3. 0 VI • ... •••• .-&_" .... I"" l'I'I'.f .Ol! ......., * ...... _. . .... . . • - -1-, . I ! i . I 'I _ .~ ,··1 .: .. ::--: ... " '. :.:. -···: ...... ~liRtJ_II.ll,!I~I:; ''2.5 1) Ps -/.8 in., P24= :5./ , PS :' 58 %* .. ·1 1'1 .. • ... : . -.. t=;._ .... , mull'illl -Htll ----~.~ _~::.. .' , _', . .... i'" -==1.:;: .:. -i '\' I II, .. : P _ . . .. -. -' .' .-:'.' . " -'i' --- . --I-r '1'" 'I 24 03 .::;: c J > :l::: . . , . :. .: · , . ,~", ~ "tb· · d:l!,!l! lli$2. a I 2\ Adi ust.d • . 'p -/.8 ~ ... --',' .. . -. .,. .:' . . ..' -I::::u: i:':-' - . .. 1%' ~M4' :!.: -!_.. -.. - . • .. ,'. . -=;.-. -:-~ ... !t !§H'I' -_ _ _ _ ,. .... ., . . -- . . . --r-,:: '-c-: ., ...... :: -. . > .. . :-_ _. _. . ~ .. " :. ". -.. ---.. ~ -~ .: I· 111 ".5· '" _.. -'-_.,. . _' - . . •. ' .. .. I-I-. __ - . ..... I I. . "':I ~ ". : -.. . . . . "-. '.--:':." . : '\!.i '1 : I r ttl 2 --,-_. ---., '--':II!I"II-~. " ': 'jrJ ': "''''1 ' , .•• ,', :~1~1.0 +H++++H-I Titlllllj ~I II I , I I I I I I I I I,i' +tHHH" L i _.'~1~~1.1~1~11111~~~ .!..·10 ~ 15 20 30 40 50' 1 2 3 4 5 6 Minutes Duration Hours 3) 4) -'-,. -- --, 6- t = e I = min. __ Jnlhr. *Not Applicable to Desert Region .',. APPENDIX XI IV-A-14 Revised 1/85 , , ::::: :::: ::::: ::::: ::::: ::::; =:: ;-'!: ::::: :!.'! :::-.:::::. ::::: :::: :::: ::::: :::: ::::: ::::: ::::: :::: :::: ::::: ::::: ::~:: ::::: ::::: :::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: :::: :;::: ::::: ::::: ::::: ::::: :::;; :::: ::::: ::::: ::::: ::::: ::::: ::::: ::-:: ::::: ::::: :::::-::::: ::::: ;:;:: ::::: ::::: ;;::: :::::--::::::::: ;;::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: -:::: ::::: ::::: ::::: RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1. 1~1-B!::'i ~ 1. Cj~31. H'y'DI~OLOGY t·1{-~NUP1L ===~==============================~=========~==============~================ «««««««««««««««««««»»»»»»»»»»»»»»»»»»» Especially prepared for~ HUNSAKER & ASSOCIATES «««««««««««««««««««»»»»»»»»»»»»»»»»»»» **********DESCRIPTION OF RESULTS******************************************** * CARLSBAD HIGHLANDS -10 YEAR HYDROLOGY STUDY * :I. 2--,1 0 .... ·D7 ---------------------------------------------------------------------------- USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ----------------------------------------------------------------------~---~- USER SPECIFIED STORM EVENTCYEAR) -10.00 6-HOUR DURATION PRECIPITATION (INCHES) = 1.800 SPECIFIED MINIMUM PIPE SIZECINCH) = 1.8.00 SPECIFIED p~RCENr OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .D5 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» Advanced Engineering Software [AES] SERIAL No. I07301 VER. ::;:: . .il·('~ RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» FLOW PROCESS FROM NODE 1 . 00 'lO I\\DDE 2" 00 IS CDDE ::~, ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===========================~==============~==~========~~============~======~ ~-3(J I!.. .. CLPtf.:jS I F I C{-~T HJN I SliD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATIDN = 342.00 DOWNSTREAM ELEVATION = 340.00 ELEVATION DIFFERENCE = 2.00 URBPlhl SUBI~REA CJVEF~L(')ND T II'lE OF FLOv-J (1"1 I hIUTEB) ..... B. 29('7' 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) - TOTAL AR~A(ACRES) = " :~O T[)T (~L F:UNUFF (eFr;) .. " , • I **************************************************************************** FLOW PROCESS FROM NODE :2 .. 00 TO t···IClDE 3.00 IE) CODE ::::: :>:>:>:> >CUI;!PUTE f3THEETFLDl-\l ·rPNJELT 11"11::: THHU f3UBr-~IF(f,::(':~< < < -::: < ===~======================================================================== UPSTREAM ELEVATION = 340.00 DOWNSTPEAM 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 **TRAVElTIME COMPUTED USING MEAN FLOW(CFS) -3 .. :28 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITYCFEET/SEC.) -2.77 PRODUCT OF DEPTH&VELOCITY = .73 STREETFLOW TRAVELTIME(MIN) = :2.59 TC(MIN) = 10.89 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.871 f.301 I... CL..(.~~)El I F I C{:~T ION I !:3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .. 5500 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFF (CFS) -5.68 SUMMED AREA(ACRES) = 3.80 TOTAL· RUNOFFCCFS) -6 .. 06 END OF SUBAREA STREETFLOW HYDRAULICS= DEPTH (FEET) ::: . ::::'1 1-1{~LF-!3TnEET FL.ODmJ I DTH (FEET) ._. ci'" ::n· FLOW vELOCITY(FEET/SEC.) = 3.04 DEPTH*·'v'ELOC I TY ::::: C:II:::: " , .... ! ·4" 00 Tc:J 1\IClDE =.i" 00 IS CClOE ::::: ::::: ::!:!:= ::~: :::~ :"N":: :::= ::::: ::::-:: :::: ::::: ::::: :::: :-.::::::: :::::::::: ::::: ::::: ::::: ::::::::::::::= :::::::::: ::::: ::::::::: :::: ::::: ::-.:: ::::: ;::::::::. ::::::::: :::::::: ::::::::::::::::::. :::: :::::::::::::: ::::: :::::.::::'::::::::::: !.'::: ::::::::::::::::;:: ::::: ::~: ::::: :::: :::-: ::::: ::::: ::::. :::: :::: ::::: ::::: ::::: :!.-:,:::-': == :::::::::;: ::::: f,30Il... CLJ6GH~ICATIOhl IS liD" ~3II'.IC3l....E Fi:::il\1 I L.."-y' DEVELDF'I"IEI'..IT Fi:UNOF·F COEFFICIEI'JT :::: . !S.i~:;OO I t'.l I T I (.~L.. E;L.IE:{lnE{.)1 FLm'J·····U:::t\IErrH (FE[~~T) ..... 1. ::;::0. 00 UPSTRE~M ELEVATION = 395.00 DOWNSTREAM ELEVATION = 386.00 ELEVATION DIFFEHENCE = 9.00 L.!f~B(.~t'l GUBfiR[}i DVEnU~d'·m T I t~IE DF Fl...CM (1·'1 I Nl..rrES) .-.. f.3" El"l'}:3 *CAUTXON: SUBAREA SLOPE EXCEEDS COUNTY NOMOGnAF~ DEFI N J T 1: m·.I" EXTFU~PDLJ!iT I ON DF NC)t'1Dt}F:f~:iPH LJElED .. 10 ·(EAR RAINFALL.. INTENSITYCINCH/HOUR) = 3.275 SUBAREA RUNOFF (CFG) -.54 TOTAL AREA (ACRES) = .30 TOTAL RUNOFF (CFS) -.54 **********************************~***************************************** FLOW PROCESS FROM NODE ~5. 00 TD NClDE 6.00 IS CODE ::::: -----------------------------_._--------------------------------------------- »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION::::: 390.00 DDWNSTREAM ELEVATION = 370.00 STREET l...tNGTH(FEET) = 450.00 CURB HEIGTHCINCHES) ::::: 6. STREET ~IALFWIDTH(FEET) = 28.00 STREET CRClSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TnAVELTIME COMPUTED USING MEAN FLOW(CFS) -4.11 STREET FLDWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.05 AVERAGE FL..OW VELDCITY(FEET/SEC,,) -4.24 PRODUCT OF DEPTH&VELOCITY = 1.05 E;Tf-~EETFl...DI;·J Tn{·~!VELTII"IE (1-'111\/):::: 1.77 TC (1··fIIN)·::::: :1.0·. 6~.i 10 YEAR nAINFALL INTENSITYCINCH/HClUR) = 2.913 £30 I L CL.Pl~:\n I F I C{lT I DN IS" D" :B I hH3l....E F ;::It'1 I LV DEVEL.OPI'1Et·JT r-:;:UNOFF CDEFF J C I EJ.IT ::::: ,,~5;300 , • END OF ~3UBM(F'::A STREETFL.!)v·j 1·-rYDJ~(iUL I C~:; ~ DEP1·H(FEET) = .30 HALFSTREET FLOODWIDTliCFEET) -8.54 FLOW VELOCITYCFEET/SEC.) = 4.57 DEPTH*VELoCITY = 1.36 ****~*********************************************************************** FLOW PROCESS FROM NODE 6. 00 TCl I\IODE Ct .. 00 IE; CODE ::: ""1' .~:: ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLoW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLoW)««< ========================~=========~=~====================================~== EElT I H{:)""!""!::]) PIPE D I (.iI'lETER ( I I\ICI···\) I 1····jCRE{:1~3ED TO 1(3. 000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOC1TY(FEET/SEC.) = 13.8 UPSTREAM NODE ELEVATION = 370.00 DOWNS1·REAM NODE ELEVATION = 338.00 FLDWLENGTH(FEET) = 360.00 MANNINGS N -.. 013 ESTIMATED PIPE DIAMETER(INCH) -18.00 NUMBER OF PIPES -1 PIPEFLO~ THRU SUBAREA (CFS) -7.75 TRAVEL TIME(MIN.) = .43 TC(MIN.) -11.08 **************************************************************************** FLOW PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE :::: :I. ----------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCE~ITRATION(MINUTES) = 11 .. 08 RAINFALL INTENSITY (INCH./HOUR) = 2.84 TOTAL STREAM AREA (ACRES) = 4.80 TO·rr..~L ETFE{'·W! nUNOFF (CF:::3) (:~T COHFU..JEJ··.\CE: ::" 7. ns **************************************************************************** FLOW PROCESS ~ROM NODE 7.00 TO NODE B .. 00 IS CODE ::: .......... ____ •• _ .................... _H. ,o ............. _ ..... Oo. -__ ,o ... __ 0 ___ ..... _ ........... _. __ • _ ... _ ......... " __ ...... _ .. 0 __ • __ 0 ............................................... ---.................. -.. _ •• -.; ............ , .................................................. --..... _. _ ........ _ ......................... . »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :::;: ::::::::: ::::: :::: ::::: ==: =:: :::: :::: :'::: ::::: :::: :::'::::::::::::::: ::::: :::: ::::; ::::: ::::: :::::.:::: ::::: ::::: :::: :::::::::: ::::: !' .. ':.! ::::: :::: ::::::::: :::::~ .. --:: ::::: :::::::::::::: :::::::: ::::: ::!'.! ::::: ::::: ::::: ::::: :::: ::::: ::::: ::.::: ::::: ::;:: :;::::::.: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::::::;:::::: ::::::'.:: ;:::: :::::"::::: ::::: ::: SOIL. CL..('~SEHFIC("YTHJN IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I (~L BUBAnE(.\ FLOv.J···LEI\H3TI··1 (r=·EET)·-120 n 00 UPSTREAM ELEVATION = 370.00 DOWNSTREAM ELEVATION = 364.00 ELEVATION DIFFERENCE = 6.00 URBAN SUBAREA OVERLAND TIME OF FlOWCMINUTES) -8.648 :I!·C{:)UT I un ~ f:lUB{¥i:f.:i:P! SL..OPE::: EXCEEDS Cm..lNTY NDlvlm3n(.~PH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. :I. 0 YE(:!n r:;:r.) I NF {·iLI.... I !,--ITENE:; I TY ( I NC:H I I·!C)I..JF~) :::" ~;::. ~::::3::I. SUBAREA RUNOFF(CFS) -.55 TOTAL ~REA(ACRES) = TOTAL nUNOFF(CFS) -r:"r.-• ·.)·:71 *************************************~************************************** FLOW PROCESS FROM NODE [3. 00 TO t··,IODE '7'. 00 IS CDDE :::: --------------------------------------------------~------------------------- »»>COMPUTE STREET FLOW TRAVELTIME THRU.SUBAREA««< =~===================================~===================~==~================ LIPSTF~E{.~t·11 ELEV('YT" I ON ::: ~~:64. 00 Dm~Nf.3THE{~lt·1 E! .... E'.,)(..\T I 01\1 ::: :::::~::B, 00 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 6. BTFA::ET 1···I(':~U:·~o.JI rrn··1 (FEET) ::::: 2El.OO STPEET CHOf.3SFm .. I .... WET H'lnl .... ) ... .0200, SPECIrIED NUMBER OF HALFSTF~ETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -3.85 3TnEE:T FU]11JDEFTH (FEET)::::: • :2::~; 1···lf.'Il ... F!3·rF~[ET FLOODI;.j I DTH (FEET) ,~:: ~5 .. 2:::' , • I PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN> = 1.36 1. " 1. :;:. TC (!'·111\1)·-1. 0" (H) 1.0 YEAR RAINFALL INTENSITYCINCH/HDUR) = 3.032 ~'3D 1. L CL(\~:3El I F I c(.:~·r I 01\1 I S II D II EINGL..E F·r.lt'IILY DEVEI .... DPt,'IENT Hl..JHOr'::·F COEFFICIENT ,,!:: • ~i;500 SUBAREA AREA (ACRES) = 4.00 SUBAREA RUNOFF(CFS) - SUMMED AHEA(ACHES) ~ 4.30 TOTAL RUNOFFCCFS) - END OF SUBAREA STREET FLOW HYDRAULICS~ DEPTH(FEET) = .28 HALFSTREET FloODWIDTHCFEET) - FLOW VEloCITY(FEET/SEC.) = 5.07 DEpn~*VElOCITY = 6.67' -7 ":'.\'~.' .. r. .1 ... .1 ... **************************************************************************** FLOW PROCESS FROM NODE D.OO TO NODE '7. 00 I f.3 CODE :~-:: >:> > > > DES I Ghl('HE I NDEPENDEJ,rr STm::'(.·~t'1 FOr-;: cm··.IFLUENCE < < <: < < ==========================~================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF COHCENTRATION(MINUTES) = 1.0.00 RAINFALL INTENSITY (INCH.!HoUR) = 3.03 TOTAL Sl'REAM AREA (ACRES) = 4.30 TClT(.:~L ~3n~Er~l'-i RUNDFF (CFS) (:iT CDNFLUEt¥'::E ::: '7 " 2.:;;:: ******************************************************~********************* FLOW PROCESS FROM NODE :I. o. 00 TO t···.lcml::: 11.00 IB CODE !:::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYBIS««< !:::: =:::: ::::: =.:::::: ::::::::: ::::: :::: ::::::::::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: f::::;:::: ::::: :::::;:::: ::::: =:: ::::::::::::: ::::: :;:: ::::: :::::::::: ;:.0:::::::::::: ::::: ::::: ::::: :::::::::::::: :.::::::: ::::: ::::::::: ::::: :.::::::: ::-.: :::.::::: ::::: ::::: :::::-::::: ::ON": :::::::.: ::::: ::::::::::::'.!! ::::: ::::: :::::::::: :::: :::':: ;:::: SO I L CL{:IS~3 I F I C(.:~ T I ON I S II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 420.00 DCli!JI\IS"'·F;:E:?)I"1 EL.E::V{":]T I ON ::: :::~b5" 00 ELEVATION DIFFEREHCE = 55.00 !.JFi:B(.~t·,·! BI..JB?~RE{-\ DVEm.(~I\'D T I t'lE or: FUJl!J (t'1 I I'.H.JTE::S) .... :I. 9. bLH) *CAUTION~ SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEF 11\1 I T ION. EX Tj=::Plf'UL..(.·i T I ClI\1 OF l'IDI'10(3r-;:(')PI"'1 USED. 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 1.962 SUBAREA RUNOFF (CFS) -:1..51. TOTAL AREA (ACRES) = :1..40 TOTAL RUNOFF(CFS) -:1..51 **************************************************************************** FLOW PROCESS FROM NClDE :!. :1. • 00 TD NODE 9.00 If::) CODE "::: ------------------------------------------~--------------~------------------»»>CQMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA««< »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< ============================================================================ E!:H I !"leYrE.D P I PE~ D I AI"1ETER ( INCH) I t\ICF~Ef·~f:lE:::D TO 11:3. 000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.2 INCHES PIPEFLDW VELOCITY(FEET/SEC.) = 7.0 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 338.00 FLOWL.ENGTH(FEET) = 550.00 MANNINGS N -.01.3 EST I 1'1r~iTED PIPE D I (.:llvIETEf~ ( I hICH) .... 1 E:" 00 t'~I.Jtr1BEH OF j::' IPr::f:~ ..... F' I PEFI....D!/-J TI-IHU GUB(''1r~EPI (CFE3) ._. 1 • ~5:!' TRAVEL TIME(MIN.) = 1.31 TC(MIN.) -20.95 :I. **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 11 • 00 IS CDDE :!:! :I. --------------------------------------------------------------------~------- , • , .... 1 ••••••• _... • I •••• , M ••••• • ...... ~. ~ ~ ....... ,,_._ ........ '". NO,., ••••••• l. ,.,."" ~ ... ========================================================================~=~= C:UNFLUEt···ICE V(.)LUEE3 UBED FOF:;: I NDEPEt'.IDENT ~3TF:;:Er~t"1 ~~:; ('~F~E:: TIME OF CONCENTRATIONCMINUTES) = 20.95 RAINFALL INTENSITY (INCH./HDUF:;:) = 1.88 TOTAL STREAM AREA (ACRES) = 1.40 TOTtiL STRE::(.Wi! HU!'HJFF (CFS) (-Yr cm,.IFU..IENCE .- CONFLUENCE INFORMATION~ STREAM RUNOFF TIME INTENSITY hIUt"'lBEH (CFE;) (t1 I t'·.I.) (I r,ICH.I HOUn) 1. -, I • 7~5 1 1 . OB ~, .:::' u B39 :::~ 7. :2~~~ 10. 00 .... ' . .... ' " ():3~~:~ ":r 1 ~i1. :;~() II C'l5 1. E!E~:-~ .... 1 . . :l.51 HAINFALL·-INTENSITY-RATIO CONFLUENCE ·FOHMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 15.~H 1~ . .'i.41 11. 1~~; COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 15.51 TIME(MINUTES) -11.080 TOTAL AREACACRES) -10.50 *********~***************************************~************************** FLOW PROCESS FROM NODE 12. 00 TO t'·.IODE: 1::::. 00 IS CDDE: ::::: ---------------------------------------------------------------------------- ====~=================================================~==================~== SD I L C!...Plf.33 I F I C(:iT I ON I El II D II SI~IGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 INITIAL 3UBAREA FLOW-LENGTHCFEET) -140.00 UPSTREAM ELEVATION = 438.00 DOv·JhI~nm:'(.:it;1 ELEV('H I ON :.::: 4~5::i. 00 ELEVATION DIFFERENCE::::: 3.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -9.787 10 YEAR RAINFALL INTENSITY(INCH!~OUR) ::::: 3.075 SUBAREA RUNOFF (CFS) -.34 TO·n·iL. F4F::EP, «("~CREE:» :": u 20 T(TH~IL m.H···IUFF (CFS) _.. . :31.1· *********~****************************************************************** FLOW PROCESS FROM NODE 13.00 TO NODE 1. il· ,,00 IE:) C:ClDE ::: ----------------------------------------------------------------------------»»>COMPUTE STREETFLClW TRAVELTIME THnu SUBAF:;:EA««< =========~=====================::::::::::============:::::=:::::=:::::===============~===~=::::::::::==::::: UPSTREAM ELEVATION::::: 435.00 DClWNSTREAM ELEVATION = 401.00 STREET LEt\!(3TH (FEET):::: 1000. 00 C:;UF~B HE I GTI·-j ( I NCHEf3) ::::: 6"" STREET HALFWIDTHEFEET) ::::: 2B.OO STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF::::: 2 **TRAVElTIME COMPUTED USING MEAN FLOW(CFS) -3.86 STREET FLOWDEPTHCFEET) = .26 HAlFSTREET FLOOOWIDTHCFEET)::::: 6.88 AVtRAGE FLOW VELOCITY(FEET!SEC.) -3.26 PRODUCT OF DEPTH&VELOCITY ::::: .86 STREET FLOW TRAVELTIME(MIN)::::: 5.11 TC(MIN)::::: 14.90 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 2.345 !3f] I L CL{:i~3~3 I F I C{.:., T I Clh! 13 i'D II ~:; I HGLE F (W! I LV DE::VEL.CJPtv·IENT F:U!\IUFF CDE::FF I C lENT ::"": ,,~:'=';~500 !3UB{:)nE(i Il.:jnE:{~ ((iC!::;~EB) ~~: ~5. itO EH.JJ3('4F~E(=i HUhlDFF' (CFS) ..... (:'" 97 SUMMED AREA (ACRES) = 5.60 TOTAL RUNOFF(CFS) -7.30 END OF SUBAREA STREETFLOW HYDRAULICS= DEPTHCFEET) = ,,31 HALFSTREET FLClODWIDTH(FEET) -9.~! FLOW VELOCITY(FEET/S~C.l::::: 3.67 DEPTH*VELOCITY = 1.15 , • I FLOW PROCESS FROM NODE 1 ::~" 00 TO NODE iLl·" 00 IS CODE ::" :1. ••••• ~ __ ... _ .................. _ ... _ ........ __ ............... _ ......... _, .. -0 ...................... ___ .................... _. _0' .. _! •• M. _H ........ ___ .......... ____ • _H. ____ H. __ ..... ~_ •.. 0 ............ ___ ... N." ........................................ NO" "0, __ 0" .... 0 ........................... -...... _ ....... , .............. . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =======~=====================================~============================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION (MINUTES) = 14.90 RAINFALL INTENSITY (INCH./HOUR) = 2,,35 TOTAL STREAM AREA (ACRES) = 5.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.30 **************************************************************~************* FLOW PROCESS FROM NODE 15,,00 TD NODE 1(:',,00 IS CD D 1::: ::: =======~========================================================~=========== SO I L CI...PI!3~n F::-I C('H I ON I SliD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I hi I T I I!'\L SUB('~RE('~ FLO\l.J····L.ENGTI·-I (FEET) ..... 100. 00 UPSTREAM ELEVATION = 437,,00 DOWNSTREAM EL.EVATIOHI = ELEVATION DIFFERENCE = :.7:: .. 00 URBAN SUBAREA OVERLANO TIME OF FL.OW(MINUTES) - 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.420 SUBAREA RUhlOFF(CFS) -,,38 TOTAL AREA (ACRES) = TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE It.::,.OO TO hlCmE l7. 00 I~3 CODE 0::: 6 »»>CDMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===~======~~==========================================~=======~============= UPSTnE(·)t-'I EU.:::\'(.yr I eH..,1 ::::: (,j·:;::;5. 00 DOWNSTREAM ELEVATION = 402 .. 00 STREET LENGTH (FEET) = 1000.00 STREETHALFWIDTHCFEET) = 28 .. 00 CURB HEIGTH(INCHES) = 6. STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FlOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.7l AVERAGE FLOW VELOCITYCFEET/SEC.) -3.95 PRODUCT OF DEPTH&VELOCITY = 1.11 ""\ .,::. STREET FLOW TRAVELTIME(MIN) = 4.22 TC(MIN) = 12.52 1. <) '{E?',n PA I t··,IF?:iLL.. I I\ITEt~E.1 I TY ( I 1\ICI"'I/~'IDUH) ::: :? 624· BOIL Cl.j)m3IFIC('HION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACREB) = 7.40 SUBAREA RUNOFF(CFS) -10.68 SUMMED AREA (ACRES) = 7.60 TOTAL RUNOFFCCFS) -ll.06 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTHCFEET) = .35 HAL.FSTREET FLOODWIDTH(FEET) -11.02 FLOL'·J l./ELUC I TY (FEET ISEC,,) ::'.~ 4 .. :t~.:5 DEPTJ-l'li-VELDC 1 T'Y::::: 1 . 1~4 **************************************************************************** :I. '7 • 00 TO I\.IODE:: 14.00 IG CODE. ::::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »>j>USING USER-SPECIFIED PIPESIZE««< :::::::: ::::::::: ::-.: :-.:: ::::: :::-.::;::::::::: ::::: ::::: ::::: :::-.: ::-.::::::::-.: :-.:::::::: :::: ::::: !:-.: ::::::.::: ::::: ::::: :'.::: ::::: :::: :::.:: ::::: ::::: :::: ::::: ::::: ::::: :;::::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: :::: :::::::::: i.::: ::::: ::::: :::: ::::: :::: :::::.::::: ::::: :::: :::::::::: ::::::::: :::::::~ ::::: :::: ;:;:-.:: :~:: ::::: ::::: ::::: == ::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.1 ! . .JF'STFH:::nl"l 1''.101)[ ELE\}{·rr ION::: 4()':;::. 0':) DOWNSTREAM NODE ELEVATION = 'l():t II (i() , • I GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREACCFS) - NUMBER OF PIPES - 11. • ()6 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 12.64 **************************************************************************** FLOW PROCESS FROM NODE 17.00 TO NODE 14.00 IS CODE :::: ---------------~------------------------------------------~----------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ========================================================~============~====== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION (MINUTES) = 12.64 RAINFALL INTENSITY (INCH./HOUR) = 2.61 TOTAL STRE~M AREA (ACRES) = 7.60 TOTAL STREAM RUNOFF (CFS) AT CONFLU8~CE -11.06 CONFLUENCE INFoRMATION~ STREAM RUNOFF TIME INTENSITY NLWII-:::En (CFs) (t'IH'L) ( I NCI· .. I/HOUFO ... " ... _ .. _ 0 .. _ ..... _ .... 0_ .......... 0 __ '"'' ••• _ ........ M •• _ ............................ _ ... _ ... _ • __ ..... 0 __ .. OM ...................... _ "0_ , .. _ ...... "_ ... _ ....................... _ .......... _ .. _ ............................................. , ............... "0-...... " ........ _ .................... ~ ..... _ ... __ ._ ....... "0--... .. 14. S:'O 1:1 ... 06 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 17,,2::i COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 17.63 TIME(MINUTES) -12.638 TOTAL AREA (ACRES) = 13.20 **************************************************************************** FLOW· PROCESS FROM NODE :L::3 .. 00 TO NODE 10:-:; .. 00 I S CODE ::: ---------------------,-------._----------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::: ::::::;:: ::::: ::::: ::::: :::::::::: ::: ~.:.::::: :~: ::::::::::::::::::::=::::: =::::::::::::::::=. :::::::::::::::: ::::::=:::::::::::::::: ::::: ::::: :-.::: ::":::::: :::::::.::::::!::::::: ::::: :::'':::~::::: ::::: :::::::::::::::::: :::::::: :::-.: =:: ::::: :::::::: ::::: ::::: ::::: ::::: ;..::: ::;:: ::::: :.:::: ::::: ::::: :::: ::::::::::::: :::::'::::: ::::: ::::: SDIL CU::~G~3IFIC(.YIIOl\1 IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATIDN = 391.00 ELEVATIO~ DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND' TIME OF FLOWCMINUTES) -8r299 :LO YEAR RAINFALL INTENSITY(iNCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) - TOTAL AREACACRES) = .20 TOTAL RUNOFFCCFS) - *************************************************~************************** FLOW PROCESS FROM NODE J.9.00 TO NODE 20.00 IS C; 0 DE:' :::: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ========~===========================~====~================================== UPSTREAM ELEVATION = 391.00 DOWNSTREAM ELEVATIDN = 378.00 STREET LENGTHCFEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET H~LFWIDTH(FEET) = 2S~00 STREET CROSSFALL(DECIMAl) -.0200 ~3PE:C I r:' I ED NUt1DEn OF H(~IL..FSlT(EET~;:; C(iPFfl I I\IG HUNDFF::-.:: ::;:: **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -2.22 STREET FLDWDEPTH(FEET) = .25 HALFSTnEET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELDCITY(FEET/SEC.) 2.29 PRODUCT OF DEPTH&VELOCITY = .57 STREET FLOW TRAVELTIME(MtN) -6.54 TC(MIN) = 14.84 , • , < • • 1 •• • _ ••• ,.. ._. I. I ••• : : _ .• .t. : I ... j ....... ~ iN ...... ~ • .' ~3Cl II.. .. C1.... (:lS3 I F I C('1T I DN I ~3 II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.90 SUBAREA RUNOFF (CFS) -~.75 SUMMED AREACACRES) = 3.10 TOTAL RUNOFFCCFS) -4.13 END OF SUBAREA STREETFLClW HYDRAULICS~ DEPTHCFEET) = .30 HALFSTREET FLOODWIDTH(FEET) -8.54 FLOW VELOCITYCFEETfSEC.) = 2.44 DEPTH*VELOCITY = .72 ***********************************************************************~**** FLOW PROCESS FROM NODE 20" 00 1£3 CClDE "'::: 1. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================~=============================~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATIONCMINUTES) = 14.84 RAINFAll INTENSITY CINCH./HOUR) = 2.35 TOTAL STREAM AREA (ACRES) = 3.10 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 4.13 *****************************************************~********************** FLOW PROCESS FROM NODE 21 . 00 TO hlOPE 22 .. 00 I E3 CODE ::"_" .... \ .$::. ........................................................ _ •• _ .......................... _ ................ _ .................... _ ........ _._ .. _ ......................... _ .................. 0 .... _ ............................................... _._ '_0_ ........... _ ..... _ .......... _ ._ ....... _ ... __ .. _ .. _ .... _ ...................... _ ~ ... .. »»>RATIONAL METHOD lNITIAl SUBAREA ANALYSIS««< =========~====================================~============================= SO I L. CI....f-1B<.3.[ F I C?Yl I Dt--,I IS" D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FL.OW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 394.00 DOWNSTREAM ELEVATION = 392.00 ELEVATIClN DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 10 YEAR RAINFALL INTEN3ITY(INCH!HOUR) = 3.420 . SUBAREA RUNOFF(CFS) -.38 TOTAL AREACACRES) = TOTAL RUNOFF(CFS) - **************************************************************************** FLOW PROCESS FROM NODE Z::'. 00 IS CDOE "": t.; ----------------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION = 392.00 DOWNSTREAM ELEVATION = 379.00 STREET LENGTHCFEET) = 850.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL{DECIflAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -1.62 STREET FLOWDEPTHCFEET) = .23 HALFSTREET FLOODWIDTH(FEET) = 5.23 AVERAGE FLOW VELOCITYCFEET!SEC.) -2 .. 06 PRODUCT OF DtPTH&VELClCITY = .. 48 STREET FLOW TRAVELTIMECMIN) = 6.86 TCCMIN) = 15.16 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.319 ~~30 I L. CI31f:;E; I F I [PIT I ON I E; \I D II BINGLE r::'{:)I"IILY DEt..)ELOPI'lEI\IT r-~ut',IOFF CDEFFICIENT ".::: ,,5~:500 SUBAREA AREA (ACRES) = 1.90 SUBAREA RUNOFFCCFS) -2.42 SUMMED AREACACRES) = 2,,10 TOTAL RUNOFFCCFS) -2.80 END,DF SUBAREA STREETFlOW HYDRAULICS: DEPTHCFEET) = ,,26 HALF STREET FLOODWIDTH(FEET) -6.88 FLOW VELOCITYCFEET/SEC.) -2.36 DEPTH*VELOCITY = .62 ************************************************************************~*** , • :> >:> > > CC:WIFt..lTE PI PEFl_m·J TP{'~\/E:L T I i'·1E TI··-lf~:U ~)l..n:::tim::(.·:l-::: -::: -::: -::: <: >::: > > >Ut3 I I\IG Llt3EH-·£-jPEC I F I ED F' I PEf.:; I ZE-::: -::: < < < ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.8 !..H:'ElTf~EPd····1 !"'-loDE ELEV{H'[ ON::::: ~::'7r7. 00 DOWNSTREAM NODE ELEVATION = 378.00 FLoWLENGTHCFEET) = 58.00 GIVEN PIPE DIAMETER(INCH) = MANNINGS N = .013 :lB" 00 NUMBER OF PIPES - PIPEFLOW THRU SUBAHEA(CFS) -2.80 TRAVEL TIMECMIN.) = .17 TCCMIN.) = 15.33 :l. **************************************************************************** FLOW PHOCESS FROM NODE 20" 00 I ~3 CODE :~-: :l »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :> > >-:> >(~ND cm·1PUTE VAR I ClU~) Ci::lNFLUENCED STRf:JH:! VALUES< -::: < <: <: ==========================================~================================= CONFLUENCE VALUES USED FClR INDEPENDENT STPEAM 2 ARE~ TIME OF CONCENTRATIONtMINUTES) c. 15.33 RAINFALL INTENSITY (INCH./HoUR) = 2.30 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNoFFCCFS) AT CONFLUENCE = 2.80 Cm···.IFLUE:~"-!CI:::~ I 1\1 FOFi:H?i T I ON ~ STPEAM RUNOFF TIME INTENSITY I\JUI\··IBEJ~ (CF:~3) (\""H N.) ( n~CH / HOUrn --------------------------------------------~------------------------------- :l.4.B4 2.BO 2. :~::;51 :~: JI :~~ () ~~ RAINFALL-INTENSI1Y-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 6. f::-7 6" B4 C~MPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Fi:UNOFF(CFS) = 6.87 TIME(MINUTES) -14.839 TOTAL AREA(ACRES) = 5.20 **************************************************************************** 24. 00 ·rD I----.IDDE 25. 00 I S CODE :":: ----------------------------------------------------~----------------------- ::::: :::: =::: ::::: ::::::::: ::: ::::: :::: :'.::: ::::: ::::: ::::: :::; ::::: :::: ::::: ::::: ::::::::: ::;: ::::: ::::: ::::: :-.::: :::: :::::::::: ::::: ::::: ::::: :::: ::::::::: :::: ::::: ::::: ::::: ::.'!-:::.: :.":: ::::: ::::: :::::::::: :::.": ::::::::: ::::: ~';: :::-:: ::::: ::: :.-::: =::::::: ::::: ::::: ::::: ::::: .:-.::: ::::: ::::: :::;: ::::::;:.::::: ::::: :::: ::--'!:::: :::-: ::-.! :::::::::: :::: SDIL CU:~BSIF·Ic(.YrI()N IS "D" SINGLE FAMILY DEVELOPMENT RUNOF~ COE~FICIENT = .5500 INITIAL SUBAREA ~LOW-LENGTH(FEET) -:1.00.00 UPSTREAM ELEVATION = 418.00 DOWNSTREAM ELEVATION = El_E\./{:~IT I Uhl D I FFE:'F~Et'·.ICE ::::: URBAN SUBAREA OVERLAND TIM~ OF FLOW(MINUTES) - 10 YEAR RAINFAll INTENSITYCINCH/HOUR) c 3.420 SUBAREA RUNOFF (CFS) = .38 TOTAL RUNOFF (CFS) - , **********·'*H*·"**iH*******·*********·*·********·>·"·.'·*****·,****************·**H* FLOY PROCESS FROH NODE 2:5. 00 TD NDDE 26" 00 IS CDDE: ::::: ------------.--------~-----------------------------------------------T------- »»:>COMPUTE STREETFLOW TRAVELTIME THHU SUBAREA««< ============================================================================ LJPE:1TREf..H·'1 E::J ... .r.-::W1T lOt--.I ::: STREET LENGTH (FEET) = .416.00 CP() (1 II ()() r'Ot',JI\!<::1TF:E{~n ELE\j{~T I 01\1 ;c"~ :~:;7~.'S" 00 CURB HEIGTH(INCHES) = 6. , SPECIFIED NUMBER OF HAL~STREETS CARRYING RUNOFF = 2 ·~\·-:"·TP(.IVELT I t"IE COt"IPUTE:D t..lG I \\IE) 1·"IEf·~N F"L.Clt'4 (eFE;) ..... '7 n :2:6 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8 .. 54 AVERAGE FLOW VELUCITY(FEET!GEC .. ) -4.28 PRODUCT OF DEPTH&VELOCITY = 1.27 STREETFLOW TRAVELTIMECMIN) = 3.50 TC(MIN) = 11.80 10 YEAR RAINFALL INTENSITY (INCH/HOUR)= 2.726 ::'::;0 I 1.... c::l...{·~t:;E;IFICI!·iTION If:; "D" S I I\lDI....E F"(11'1 I LY DEVELOFt'II:::hIT F\I..H'IOFF CLJEFF I C I Et\~T :::.~ . ~S!.:::iOO SUBAREA APEA(ACRES) = 9.10 SUBAREA RUNOFF (CFS) -13.64 SUMMED AREA(ACRES) = 9.30 TOTAL RUNOFF (CFS) -14.02 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPT!i(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) -11.02 PLOW VELOCITY(FEET/SEC.) = 5.26 DEPTt·l~\·~/El .. OC I TY :::: **********~*~*************************************************************** FLOW PROCESS FROM NODE 26. 00 TD I---IDDE :~:.o. 00 I f:; CODE ;::: :>::: :>:> :>CDt-IPIJTE PI PEFL..OI;·.J Tr::?)\,JEI....T I t'1E TI"'!F(U ::;UHf·~HE(.~l-::: -::: < < < »»>USING USER-SPECIFIED PIPESIZE««< ===========~=======================~=====================~===~~============= DEPTH OF FLOW IN 24.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.) = 16.7 UPSTREAM NODt ElEVATlON = 375.00 1) 0 ~'J t\( E11" F;~ E: r=1 '-1 1\1 [J D~:: E:: L .. r::: t...,J {11' I [J t\(::: ~~:: CJ ~3 \I c) () 7 u ~5 I NCHEEl FlOWlENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH) = 24.00 NUMBER OF PIPES -1 PIPEFlOW THRU SUBAREACCFS) -14.02 • ·fRA\JE:L. TH"IE (1'"1H·,f.) "': • 07 TC <t'HN.) ==: 11 .. 87 , **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO HODE 2B. 00 I t:) CODE == -----------._------------------------------------------------------~--------- »»>~ATIONAL. METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL Cl...{.:If:)~:;IFIc(.~·r:r.OI\1 IS "D" f3 I h!E-)LE F (H··11 LV DE')ELDPt·1Ej\.IT Fi:f..JI\IDFT C::UI::'FF I C I EJ'Tr = .5!."jOO INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) - TOTAL AREA(ACRES) = .20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 2f3. 00 TO l\IODE ================================:=========================================== up:::rn:t:E(il"'\ EI...EV('H I m·.1 ::= 39:l " 00 DO\J·JI\ISTI::;:E('~1'1 EL.EV(H I DI\I:::: ~::;70. 00 STREET lENGTH (FEET) = 700.00 CURS HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPEGIFIED NUMBEr:: OF HALFSTREETS CARRYING RUNOFF ~ 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -3.82 STREET FLOWDEPTHCFEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITY(FEET!SEC.) - prODUCT OF DEPTH&VELOCITY = .85 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.709 E;fJ I !.... CLPI~3f.::; I F I C(·) T I ON IS 11 D 11 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 !3UB{'~IREl~ nPE(i «(")CHEE:>:::: 1.1·. 60 FJUBt~IF~E(·) F~I.JNClFF (er'S) -... , E3Ut"llvlt:::D {4nEr.:~ «(.:'\CREB):::" i1. f:30 TOT (..:1L RUI\\DFF (CFS) ::::: END OF SUBAREA STHEETFLOW HYDRAULICS~ DEPTH (FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = Fl...D~\j ~'/EL..DC I TY (FEL:::T / l3EC.) _.. 3. 6:~:; Df:::PTH-i(·'y'[-::I .... OC I TY ::::: (,:1 rt E3~:; :7 It :::~3 :I. • 11.\· FLOW PROCESS FROM NODE 29. 00 TC) NODE 30.00 IS CODE =4 -------------------------------------------------~-------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THPU SUBAREA««< »»>USING USEn-SPECIFIED PIPESIZE««< ============~====================================================~========== DEPTH OF FLOW IN 24.0 INCH PIPE IS, 6.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 368.00 FLOWLENG1H(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 24.00 NUMBER OF PIPES -:I. PIPEFLOW THRU SUBAnEA(CFS) -7.23 TRAVEL TIME(MIN.) = .08 TC(MIN.' = 12.00 *************************************~********~***************************** FLOW PROCESS FROM NODE :;;::9 n 00 TO NODE ~:'O"OO I~3 CDDE ::::: »»)ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< .= :::::"~ :~~ ;~:~ ~::~: ;.~ ;~ ~~ ":" ;~ ;.~~;= ~~ ~~ ;:~ ;~:~::::::; ~~ ~r~ ~ ;:~;;= ~ ::;; =t:;;~ ~~; ;~~ ::: ~.~~; ;:,;;. :;: ==:; ~~ =;;:~~: ~ ~"=::: "~: ::: ":: :::=::=: ::" ~~ ::::: :::::~= =::: =":::::: ::= :"~ :"~ =: ::: :~~ ~~ :::: =. "::: SOIL CI.J~ESIF·IC{YrIC)1\1 IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) -9.30 SUBAPEA RUNOFF(CFS) -13.79 TOTAL AREA (ACRES) -14.10 TOTAL RUNOFFCCFS) = 21.02 TC(MIN) = 12.00 FLOW PROCESS FROM NODE 44·. 00 I El CDDr:::~ "--:: ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 368.00 DOWNSTnEAM NODE ELEVATION = 342.00 FLOWLENGTHCFEET) = 850.00 MANNINGS N = .013 GIVEN PIPE DIAMETEn(INCH) = 24.00 NUMBER O~ PIP~S -1 PIPEFLOW THRU SUBAREACCFS) -21.02 TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 13.18 ======================================================================F===== CONFLUENCE VALUES USED FOR INDEPENDENT STnEAM 1 AnE~ TIME OF CONCENTRATION (MtNUTES) = 13.18 I:;:?' I t\ir:-?"~L.l.. I 1\1·rE:.t\f~3 I 'l"\y' (I t·\~(~l'1., ll-lC)I..Jr-;~)::::: :~:~ n 511- (". -1 **************************************************************************** FLOW PROCESS FROM NODE ~51 ,,00 TO NODE , >:::-:::-> >RAT I Dt\I{:)L t"1ETI'-IDD I hi I T I (~L SUB(':)F(E::?"i ('~N('~LYG I E;< -::: -::: <-< . -::~ ~ ~;;" ~ :"~ ~ ~: ~.~;~ ~ ;.~ ~ ~~; ~~; 7~; ;~~ ::: ~:; ::: ~ ~ :~ = ::: ::-": ::::: ::::::::::: ::--"::::::::::: =::: ::: :"~::: ::: :::::::""" :::::: ::::::::::::: :::: "":: ::::: :""::::: :""' :::: ::: ~": :" ::::: :::: ::::: ::::: ::::: ::::: ::::: :::: :::: ::::: ::::: :::;: SINGLE FAMILY DEVELOPMENT. RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION::: 377.00 DOWNSTREAM ELEVATION == 375.00 ELEVATION DIFFERENCE = 2.00 ur·u:::m·.1 SI...lB('W;:E(~ fJlJEf-i:LAI,m T II'1E OF' FLOW (t'1 I NUTES) ,_. B. 2'"79 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.420 SUBAREA RUNOFFCCFS) -,,38 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE ~:.:;::. 00 TO t··KlDE ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================= • UPSTREPlt'!1 r: I.,EI."J {:1T IClN :::: T75. 00 DDvH'~EnHE?'~11'?1 E::U::VWrI CJN ::::: :~;;-77~. 00 STREET LENGTH (FEET) ::::: 580.00 CURB HEIGTHCINCHES) ::::: 6. STREET HALFWIDTH(FEET) ::::: 28.00 STREET CRDSSFAlLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF::::: 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -1.61 STREET FLOWDEPTH(FEET) = .26 HALF STREET FLOODWIDTH(FEET) = 6~88 AVERAGE FLOW VELDCITY(FEET/SEC.) -1.36 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIMECMIN)::::: 7.09 10 YEAF~ P('UNF('·\LI... INTEblf-3Irl' (INCI···I/HOUF:) :::: 2. :?97 SOl L CLAHf.3I F'ICFfr 1 DN IS "0" S I NGL.E F {:)t"l I I .. Y DEVELDPt'1f::::t\IT RUNClFF CC)[FF I C I Ft'·.IT :::: . ~:.i5i)O SUB('·)Fi:E('·~ (.:~nE(..~ «(,·~CRES) = 1 . 90 SI..JJ:~:("1FE(.:i h:UNOFF (CFS) .... SUMMED AREACACRES) = 2.10 TOTAL RUNOFF (CFS) - END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET)::::: . ~:;O t"!ALF~nHEE"r FLOOm'J I DTH CFEE:T) .... FLOW VELOCITY(FEET/SEC,,):::: 1.64 DEPTH*VELOCITY = '"' '1 " . . .::." 't·\ .. ·~ 4!::l II ~ I **************************************************************************** FLOW PROCESS FROM NODE ~.:;~~;. 00 TO "·.IDDE :::.7 ,,00 I S CODE c.::: ,q. ~ ..... -.. -... ~ ... -..... --.. -....... -.-.-..... -... -.... -.. --..... -.-............. -..... ----............................................. :. ............................ _-... -..... -... _ ............ -....................... _ .................................................... __ ... _ ........ _ ...... -... _--_ ..... - >-> >-:::->COnpUTE: PI PEFL.CJ\lJ TRf:~VELT I r'1E fl··II::;:!..} ~3UB(')F~EA< -< -::: -:::-::: »»>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 FLDWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFlDW THRU 8UBAREA(CFS) -2.78 TRAVEL TIME(MIN.) = .10 TC(MIN.) = 15.49 1. **************************************************************************** 34. 00 TO t-·,lDDE :~55. 00 I S CODE ::: ..... __ .......... ____ .................. _ ......... _ ................ _ ....................................................... _ .................. oo' ..... _ ....... _.,,_ ............ ___ • __ ................... -....... _ ". __ • _ .................................................. __ .... _ ......................... _ ............. _ ...... d_ ......... . ". ". ". '" · .. t""TTf·111r.l 1'11::-'rllr~r) I~II1-I' "'\ '·'III··[\·"I-·/" 1'i\";'L "r'I·..,········ .' ",' ................ P. r .. '! , ......: .. fool.... ... c:. '-.J .. . I"" . . . !~ .. (.... .:::i.... .::: ""1 r~ :::.1,,=1 I'~\ \.{ r"~ .. J .... j. !::J '':., ':" '~" -:.. ':" , • ~3D I I... CI....{.~~3B I F I C{.iT I Ol'~ IS" D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET' -100.00 Ur:'3TnE(')I'·1 ELE\ .... (..~T I 01\1 :::: ::::;7 b. 00 :om·) hIE;T FEP1t'1 ELE',HiTI(X·1 ::~ T7LI·.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLoW(MINUTES) - 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.420 SUBAREA FUN OFF (CFS) - TOTAL AREACACRES) - ":!·Cl IS ._.11 .... * .20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE :35" 00 TO hleJDE ~::'b. 00 I ~3 CODE :::~ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============~=======================================================~======= UPSTREAM ELEVATION = ~::'74. 00 DOWNSTREAM ELEVATION = STREET LENGTH (FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CRDSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ·;~··>~:Tn(:l\JELT II"1E CClI"'IPUTED 1....If:3 I 1·~(3 1'1 E 10.) 1\1 FLO~IJ (CF'"E?) ..... 1" 1.1::2 STREEf ·FLOWDEPTH(PEE1) = .26 HALFSTREET FLDDDWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITYCFEET/SEC.) -1.20 PRODUCT OF DEPTH&VELOCITY = .32 ~~:rrm:ETFL..Ol;) TF\(·~Vr:::LT It'IE (t·n N) ::::: 'z. .... '. C;'·(.I· TC (t°l I W :::: 1 ~5.. 24 10 YEAR RAINFALL INTENSITY (INCH/HQUR) = 2,,311 . ~::)[l I L Cl.. (·~~:)E) I F I C{i T I ot··,1 IS" n" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) =. 1.60 SUBAREA RUNOFFCCFS) -2.03 SUNt11ED (.iP[:~n «(=~Cfi:EE3)::: 1. • no TOT {:iL Fi:UI'·.LDFF (CFE3;' .... 2. 41 END OF SUBAREA STREETFloW HYDRAULICS: DEPTH (FEET) = .30 HALFSTREET FLOODWIDTH(FEET) -n.~4 FLOW VELOCITYCFEET/SEC.) = 1.42 DEPTH*VELOCITY = FLOW PROCESS FROM NODE ::::;,!::,,, 00 TO NDDE ~:.?" 00 IE:: [.DDE ::::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===================~===~==================:::=========~======================= DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.0 INCHES PIPEFLOW VELoCITY(FEET/SEC.) ~ 12.7 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLU~'JLE:I''.IDTH (FEET) = ~30 • 00 t·'1At\II\! I NGS N:-.: • 0 1 ~~; GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 r PIPEFLOW THRU SUBAREA (CFS) -2.41 TRAVEL TIMECMIN.t = .07 TC(MIN.) -15.31 **************************************************************************** FLOW PROCESS FROM NODE 36.00 TO NODE 37.00 IS CODE = 8 '--;;;;;~~~-;~~;;~-~~-~~~A~~~-~~-~;;;~~~~~-~~~~-;;~~~;~~ ;;~-~------"--------------------- ====~~=~~~~=;~7~;~~~=7~~~~~i~;7i~~~;~~~~~=~==;~;~;========================== SO I L CLJ):::m I F I c{·n I ON I ~3 "b II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500. SUBAREA nREA(ACRES) -2.20 SUBAREA RUNOFF (CFS) -2.79 TOTAL ARFA(ACRES) -4~OO TOTAL RUNOFF (CFS) -5.20 TC (n I 1\1) :::: 1.~). 3:t. ~******************************************************************~*****~1~* FLOW PROCESS FROM NODE ·~I·.f.j." 00 I E; CODE:: :::: ----------------------------------------------------------------------------. »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ,==~~~;~~~;~~~;~:7~;:7;~~!7~~~!~;;~~;~:::~~;=~~~~~~======,============"======= PIPEFLOW VElOCITY(FEET/SEC.) = 9.5 UPSTREAM NODE ELEVATION = 363.00 DOWNSTREAM NODE ELEVATION = 342.00 FLD\lJL.EJ·~(3TH (FEET):::: :-;00" 00 t'1(':)I\~I'·.1 I NGS N :::: ; 01::::; U I l.,lEN PIPE D I (~lt'IETEF: ( I t"-ICH):::: 1 E:. 00 !',IUt'IBEF:~ OF PI PEfl --1 PIPEFLOW THRU SUBAREACCFS) -5.20 TRAVEL TIMECMIN,,) = .8E: TC(MIN.) = 16.19 **************************************************************************** FLOI!·J PHCJCESS FHClt'1 NODE 37. 00 TO t .... IODE 44.00 IS CODE ....... " ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STHEAM FOR CONFLUENCE««< ============================================================================ CDNFLUENCE VALUES USED FOR INDEF~NDENT STHEAM 2 A~E~ TIME OF CONCENTRATION (MINUTES) = 16.19 PA I I'--IF' ALL t "'TEN~:; I TY (I NCH. / HOl..lF:·:):::: :.2" ;~:;;:: TOTAL STREAM AREA (ACRES) = 4.00 'rOT (,:)1.... STF~[Plt11 F~Ut'·.IDFF (CF~:;) (.·:i T ClJNFLUE!\ICE ::::: 5" 20 *************************************************************~************** FLOW PROCESS FROM NODE 3E:.00 TO NODE 39.00 IS CODE = 2 • .. .. _ ....... --....... _ ....... _-_ ......................... -.-...... -"'-..... _ .......... _ .. -............................. _ ............................................ "'" .-..... -................................................. -_ ........ -............ -.. , ..................... "" ...... -..... -... .. »»>RATIoNAL METHOD INI~IAL SUBAREA ANAlYSIS««< . , ======================================================================::::===== SO I L. CL('1SS I F' I C{'~T I Dt··,1 I E II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLoW-LENGTHCFEET) -100,00 UPSTREAM ELEVATION = 357.00 DOWNSTREAM ELEVATION = 354.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLDW(MINUTES) -7.978 ,'I,CPIUT I C) 1\1 ~ ~::;UB{~RE:rl SI.._DPE E: X CEED~3 CDUNTY h10I'10 GH(.·)P 1· .. 1 DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 10 YEAR HAINFALL INTENSITY(INCH/HDUR) = 3.509 SUBAREA RUNOFF (CFS) -.39 TOTAL AHEA(ACRES) = TDT i:~L f~UNDFF (CF'~3) ..... *******************************************************~******************** FLOW PROCESS FROM NODE ::::'9. 00 TO NODE ======================================~======================~========~===== UPSTREAM ELEVATION = 354.00 DOWNSTREAM ELEVATION = STREET LENGTHCFEET) = 500.00 CUHB HEIGTH(INCHES) = 6. STHEET HALFWIDTH(FEET) = 28.00 STREET CRoSSFALLCDECIMAl) SPECIFIED NUMBEH OF HALFSTHEETS CARRYING HUNoFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -5.17 STREET FLOWDEPTHCFEET) = .35 HALFSTREET FLoODWIDTHCFEET) = 11.02 AVERAGE FLOW VElOCITY(R~ET/SEC~) = 1.94 pRODUCT OF DEPTH&VEloCITY : .67 ~nF-::EETFl .. m'.) TP{.~VEL..TII·'IE O'HI\!) ::: 4. :~:;o TC (t'IIN):::: 12" 27 10 YEAR RAINFALL I~TENSITY(lNCH/HOUR) = 2.657 ::~;!50. 00 . ...... 0:,;::00 , • I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA' AREA (ACRES) = SUMMED AREA(ACRES) = 6.40 SUBAREA RUNOFFCCFS) - 6.60 TOTAL RUNOFFCCFS) - END OF SUBtlRE{'~ ElTF~EETFL..Dv·J 1"1Y[:I:;~{:lUL I C~'3:: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTfiCFEET) -13.51 9u '?If· FLOW VELOCITY(FEET/SEC.) = 2.51 DEPTH*VELOCITY = .99 *******~*************************************************.****************** 40. OC "1"0 hlODE 1+4. 00 1 ~3 CODE ~:" »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ,q. ::::::::; ::!: :-.::: :::::::: :::::::::::::::;;::.'!.:: ::::::::: :::::::=:::::::::::: ==:::::::::::::: :::::::: !!::::::::::::: :.::: ::::::::::-.::::::: ::::::.:::::::: ::::: :::::::::::::::::: :::::::.":::::: ::::: ::::::::.: ::::: :::: ::::: :::::-::~ ::::: ::::: :::::::::: ::::: ::;:: ::::: ::::: ::::: ::::::;::::: ::::: ::::: ::::: :::::-::!:: ::::::::: :-.:: :-.::: :::= ::::::::: :::- DEPTH OF FLOW IN f8.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET!SEC.) = 18.1 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -9.74 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 12.33 **************************************************************************** FLOW PROCESS FROM NODE 40 .. 00 TO t··mOl::: 44. 00 I ~:3 CClDE. =::: :1. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::::;:::: ::::: :::: =.: ::::: :::::::::: ::::: ::::: :::: ::::: ::::: :::::::::: ~:: ::::: ::::: :::: ::::: ::::::::::;:: :::-.: ::::: :::::::::: :::: :::: ::::: ::.:: :::: :::: ::::: ::::: ::::: :::::::::::::: ::::: ::::: ::::: ;:::: ::::: :::: ::::::::: ::::: :::::: :::!: ::::: ::::: ::::: ::::: :::::"::::: ::::: ::::: ::::: :::.:.;:::: ::::: ::::: ::::: :::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: cm·~FUJENCE I)r-~L...UES U~3ED Fon I NDEPEI\lDENT STr~E{~t'''1 3 (.)Fi:E:: TIME OF CONCENTRATION (MINUTES) = 12.33 R('~ I t\IF PiL..L.. 1 NTEI,m I TV (I "'-ICH. I HOUR) :":: 2 .. 6!5 TOTAL STREAM AREA (ACRES) = 6.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 9.74 *****************~*~******************************************************** FLOW PROCESS FROM NODE 41 u 00 TD t\IODE 4:,2.00 IS CD DE ::: »»>RATIONAL.. METHOD INITIAL.. SUBAREA ANALYSlS««< ============================================================================ ~3DIL CL(..~m;IFICATIOhl IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I (\!..-BUB(.Wt:EPI FI..J]V.,I'-LEl-·.IGTI'1 (FEET) 0_-:l 00. 00 UPSTREAM ELEVATION = 365.00 DOWNSTREAM ELEVATION = 363 .. 00 ELEVATION. DIFFERENCE = 2.00 URBAN SUBAREA ClVERLAND TIME OF FLOWCM1NUTES) - 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3u4~0 SUBAREA RUNOFFCCFS) -.. 38 TOTAL AREA(ACRES) = ·rc)T{-~L.. F?L!NUFF (CFf:) _." :13f:3 **************************************************************************** FLOW PROCESS FROM NODE 4:~::. 00 I ~:; CODE =::: ---------------------------------------------------------------------------- =========~=================================================~================ UPSTREAM ELEVATION = 363.00 DOWNSTREAM ELEVATION = 343.00 STnEET LENGTH (FEET) = 600.00 CURB HEIGTH(INCHES) = 6 .. E::;TF~EET Hi:~L..FIJJ I DTH (F[ET) :::: :;::r::l. 00 E)Tr:~EET CnOSSF(:"IL"L': DEC I Iv!{,)L..) "". • 020P SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2, ·::\"il·TF:~{~)'v'[L.T It~IE C0t'-1r::'U"!"ED US H·.le! ·nE{'~I\1 FUJI,,} (CFf.~) -'" 1. • /1<.7:: STREET FLOW DEPTH (FEET) ~ .20 H(')l...FSTf~[-:::ET F UJCH::i Ii·! I DTH \ rEEl)::" ~3. 57 , r·T:L.!.Ui ... .\I. .. ; T I.:.!r:: DEJ·> i l·k..;l)E: .. J.H ... : J: T 1· :::" r. :~::.1./ STREETFLOW TRAVELTIME(MIN) = 3.47 10 YEAR RAINFALL INTENSITY(INCH!HoURt = 2.730 ~30II.... CU::\E;SIFICr-rlIDN IS liD" SINGLE FA~IILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUB{~F:Er-~ (iF';:E:(~ «(.\CRES)::: 1 • 40 ~31..JB{~HE(4 RUhIOF·F (CFB) -.. 2" 1 0 f.:)Ut'It~IED (·1F;~En (f~CRE~;) 0-:: 1 • 60 TOT r11.... PUi···.IDFr=:· (CFS) .... 2. {·!·El END OF SUBAREA STREETFLoW HYDRAULICS: DEPTH(FEET) = .23 HALFSTREET FLDoDWIDTHCFEET) -5.23 FLOW VELOCITY(FEET/SEC.) = 3.17 DEPTH*VELOCITY = i73 FLOW PROCESS FROM NODE 44" 00 I E3 C:DDE :::: »»>CoMPUTE PIPEFLoW TRAVELTIME THRU 8UBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ======~========~===========~========n===================~==================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.9 UPSTREAM NODE ELEVATION = 343.00 DDWNSTHEAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THPU SUBAREA (CFS) -2.48 TRAVEL TIME(MIN.) = .14 TC(MIN.} = 11.91 **************************************************************************** FL[)l!4 pnDCE~3S FROt~1 NDDE 4::::;. 00 TO NODE "'14. 00 IS ccmr:: ":: l. • . .... -.~;:: .~;:: ~~ ~;:: .~~:~; ~~ ~~ ~. ~:~ ;~; ~~ :~: ~ ... ~. ;~.; ;;; ~ ;~: ~~ ;:~ ;.:;~ ;~ ~~:: .... ;,~ ~;.: ;~ ~~ ~:~~ ~:.~ .... ;:;. ;~~;;~ ... ~;~:; ~:~;~ ~~ ~;.~ ~~ ~~; ~ :;~~. :~. :~ :~ .......... _ ..... _ .....•.• _ .•.............. -.. ' .. '-_ ................ . >:>:> :> >t·~i···m CCH~IPUTE '\HiF~ I [)Uf.~ CDHFI....UE:J'.ICED f.3TF;:Ef.1t!1 \)(.:.il....Ur.:::!::;-::: <: -::: < <: ============================================================================ CDhIFl..UEi'.ICE t)nL.UES USED FOH II··,IDEPEHDENT BTHE(:')IVI 1.1· (1r:~E ~ TIME OF CONCENTRATION (MINUTES) = 11.91 RAINFALL INTENBITY (INCH.!HDUP) = 2.71 TOTAL STREAM AREA (ACRES) = 1.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.48 CDNFLUENCE INFDRMATION~ STHEAM PUN OFF TIME INTENSITY NUHBEn (CF~3) (1'"11 N.) ( I hlCH/HDUR) ---------------------------------------------------------------------~---~-- 1 ,., .1::. 1 " ()~,~~ 1 :3 · :l ,., (,:' ::':~ , !.~:)~::; El .... '\ ~5 20 :I. b 1 c;) .-.. , ~~~ :';2:~~ .,:;. . · ! ..::. , "or .. :) ':'7' . 71.1 :L .', .t!:' · ~53 :2 n 650 .q. .-\ .1::. " 4£3 :I. :I. " 1':1 1 ...... .,::. . -7 ()C) HAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS VAHIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PUI\IDFF (CFB):::: :::::7 • :::~::~; T I i··IE (Ivl I I\H..JTF~)3) =: :I.~:::. :I. Il::l TDTAL AREA(ACHES) = ------------------~--------------------------------------------------~------ »>:»CoMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»:>USING USER-SPECIFIED PIPESIZE««< ===========~================================================================ DEPTH DF FL.. 0 ft! I n ~~:'6. 0 I 1',1 C i···! PIPE :r. £3 :1. ~~:;" 7 I hlCHEB , • , UPS·fREAM NODE ELEVATION = 342.00 DOWNSTREAM NODE ELEVATION = 309.00 FI._[tt"JLENf3·fl··1 (FEET) "::: E:l~:';O" o() 1·'I(.·~il····.lh\ I \\lf3G 1\1 ,,:: . 0:1. ~::: GIVEN PIPE DIAMETERCINCH) = 36.00 NUMBER OF PIPES -1 PI PEFL.UW ·fHPU SUBARE{~ (CFB) ..... :Y7 " 2~:' TRAVEL TIMECMIN.) -.94 TCCMIN.) = 14.12 FLOW PROCESS FROM NODE 44. 00 TO hIDDE:: !jO .00 I ~3 CODE :"' ................. ___ ............. _ .......................... ___ .. 00-........ _ ..... __ ••••• _ ... _ .... ___ .... 0' __ .. _ ..... 00_ .................... _oo. __ ................ __ ............................... _ .................. __ ......................... M, ......................... _ ... ___ • __ ..... __ .. 0 •• _ ...... __ ... _ ............ !'" .... . »»>DESIf3hl{.:'.)TE INDEPENDENT STRE(.W1 FOR CClHFLUENCE««< ::::::::: :::: ::::::::: :::: ::::: ::::: ::::: :::: :::: ::::: ==:= ::::::::: ==:::: ::::::::: ::::::::: =.:: :::: :::."! =::::::::::: ::::: :::: :::: :::::-:.-::: =::: ::::: ::::: ::::: ::-.:: :::: ::.-:: ::::: :;:: :;:: :::: t::: ::::: :-.::: ::::::::: ::::: ::::: :::: ::::: ::::: ::::: :::: ::::: ~::-:::::;:::: ::::: :::: :::::::::: ::::: :::: :::: ::::: :::-.: ;::::::::: ::::: :::::::::: == ::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CoNCENTRATIDN(MINUTEB) = 14.12 FU·~ n.IF{~LL H·Xn:::hH:3I TY (1. NCH. IHOUF:) ::: :2 n !..r:~; TOTAL STREAM AREA (ACRES) = 26.30 TOT f::~L t~TF;:[-::~(~~I···1 r-:t:UNOFF (CFB) {H CClNFLUEl\I(~E c.::: ;:::'7" T:; **************************************************************************** 4D.OO TO \\lODE ---------------------------------------------------~------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :=================~==========================~========================~===== ~3U]' 1.... CLA~3~3 I F· I C{-~T I ()I\! I S II D " SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLUW-LENGTH(FEET) -100.00 UPBTREAM ELEVATION = 343.00 DOWNSTREAM ELEVATION = 341.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTEB) -8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFFCCFS) -,,38 rOTAL AREACACRES) = TOTAL RUNoFFCCFS) -":!'O :1 .... :IR.J **************************************************************************** FLOW PROCESS FROM NODE ,:1-9" 00 TO NODE ~:;O. 00 I f.3 cum:: ::::: -------------_._------------------------------------------------------------- »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================ r...JPE;THE{:1~'1 FLEt..)()T.£ ON :::: ~:'·~1·1 • 00 :DO\t,Jt\!BTHLtit··1 E! .... Evn-r I 01\1 :c"' :~;0{7·. 00 STREET LENGTHCFEET) = 800.00 CURB HEIGTHCINCHES) = 6" STREET HALFWIDTH(FEETl = 28.00 STREET CROGSFALL(DECIMAL) -.0200 ~:3PEC I F· I ED t'-H.Jt--1BER CJF 1··1()L.FBTnEl::T!3 C(.";lr~Fry I I\m nl...JI'·KlFF =: :::: **TRAVELTIME COMPUTED USING MEAN R_OW(CFB) -2.47 STREET FLOWDEPTH(FEET) = .23 1···!f:iL.FSTREE·r FLDDDL"J i D·TH (FEE r) C"" ~;. 2:~:: AVERAGE FLDW VELoCITY(FEET/SEC.) - PRODUCT OF DEPTH&VELoCITY ~ ... , ":r It .~ .... ' STREETFLOW TRAVELTIME(MIN} = TC(MIN) = 12,,52 10 YEAR RAINFALL INTENBITY(INCH/HoUR) = 2.624 SOl L.. CL.M?,:::) IF IC(."iTI DN I SliD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) : SUBAnEA RUNOFF (CFS) - SUMMED AREA (ACREB) = 3.10 TOTAL RUNOFF (CFS) - END OF SUBAREA STREET FLOW HYDRAU~ICS: DEP1H(FEET) = .26 HALFSTREET FLODDWIDTH(F~ET) -6.88 FLOW VELoCITYCFEET/SEC.) = 3.85 DF:::PTH·l~·VEL.OC I TY· :::: , • I :>:>:>:> >i::'EE3 I (3t¥~TI;::: II,mE::PEI\IDEJ·n· GTPE{WI F'On CDNF·U .. JE:J··H:::E:-::: -< -< < < :> > > > >tH·.ID Cm'lPl.rrE ')PIF~ I OI....I~3 CClt\IFI .... tJD\ICEf.) STPE{.)t·!1 VPIl_ .. Uf:~~::'< <: <: <: <: :::::=.:: :.;::=-':::::::'::::::::::::;::';:;':::::':::::::::::::;:::::::::::::::::::::::'::::-:'-:':::::::::::.:':::::::::'::::::::::::::::::::::::::::::::::::::::::: :::: :;:::::::~::::::::::;:::::::::::::::::::::::::::::::::::::::::::::::::::::::j:::::::::::::::::::::::::::::::::::'::.:::: :::': :::::-::':::::::::::'::.::;::':::::::::::::::::::::::::: ::.::::::::::::::::::::::::::: CCJI\IFI..J..JE}·.ICE 1v'(YI....UEB I..JSEI) PDF;: I 1'·mr::F'I::::I\!DENT :3TF~[::(~I"1 :? (.:)nE:: TIME OF CDNCENTR{')TIDNCMINUTES) = 12.52 RAINFALL INTENBITY (INCH./HDUR) = 2.62 TOTAL STRE{')M ARE{') (ACRES) = 3.10 TOTAL BTREAM RUNOFFCCFS) AT CONFLUENCE = 4.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NLWIDEn (CFS) uvIH·.!.) (INCH/f-\DUFO ---------------------------------------------------------------------------- 1 :37ft 23 4. ~}6 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMUL{.) USED FOR 2 STREAMS VARIOUS CoNFLUENCED RUNOFF VALUEB ARE AS FOLLOWS: 41 • 4:; :~:'C"1 n <) 1- Cm'IPUTFD CONFLUENCE EST I t"1(~ TE:'S f.~lF~E t:1B FOI....LOI;·.JS ~ RUNOFF (CFS) = 41.45 TIME(MINUTES) -14.117 FLOW PROCESS FnOM NODE !.'50 .. 00 TCJ NODE 4B.OO IS CODE :::: _ ........ _ ......... __ M ..................... _ ... -0" "M, .......... _ ....... _ ... __ ........................... _0 .. _ ........ _ ... ____ • _0. ........ _ ............. _ .......... _ ... ___ • _ ............. __ ,_ ... ;. ... _ ..... _ ....... 0-............... M ••• _ ....... _H ........ 0 ........................ ~ •..... __ ................... 0 ................... . »»>COMPUTE PIPEFLOW TRAVEL1'IME THRU SUBAREA<<:<<< :»»:>USING USER-SPECIFIED PIPESIZE<-«« :::: ::-.!! ::::: :::::::::::::: :::: :::: :::::::::: :::: :::-.: :::.-::::::= ::::: ::::: :::.-: :::: ::: :::: ::::: :;:-.: ::::: ::::: ::::::=: :.-.: ::::: ::::: ::::: ::::: ::.-:: ::~::::::-.::::::::::::: :::: ::::: :::::::::: ::::::::.:: ::= :::: ::::.:::::::::. ::::: ::::: :::; ::::,.::::: ::::: :.':'.: :.:::: :-.::: :.:::::::: ::::::-:: :::::::.::::::::::: ~-:;:."::::::: :::::::::::::::::: !:::: :.::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 15.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.~ = 14.3 UPSTREAM NODE ELEVATION ~ 309.00 DOWNSTREAM NODE ELEVATION = 305 .. 00 FLoWLENGTH(FEET) = 130.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THnu SUBAREA(CFS) -41.45 TRAVEL TIMECMIN.) = .15 TC(MIN.) = 14.27 :I. **************************************************************************** FLOW PROCESS FROM NODE ~50. 00 TO NDDE 4t3. 00 I G CODE ::::: :I. »»>DEBIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========~========================================~=====================~===~ CClI\~FU._!EI\~CE VAL.UEB USED FTI\:~ I !\!DEPE!\IDEhiT ~::rn:;:E(:~t"1 1. nl::;:E ~ TIME OF CONCENTR{')TIoNCMINUTES) ~ 14.27 RAINFALL INTENSITY (INCH./HDUR) = 2.41 TOTAL STREAM nPEA ((')CRES) = 29.40 TOTAL GTREAM RUNOFFCCFS) AT CONFLUENCE = 41.45 *************************************************************************.~* FLOW PROCESS FROM NODE 46. 00 I::; CODE ::: ....... _ .. _ ..... __ ....... _ ......................... ~ .. , -0" .............. 0 ..... , ............................................................................... _ ... _ ............... _ ..... _ ..... _ ..... _. _ ........ _ ...... _ ............. __ , _ ............. -..... ' ..... _ ........... 0, .......... _ ... ~ ............... ~ .. _ "0_ ..... ~ ........ __ ... _ ........... .. »»>RATIONAL METHOD INITIAL SUBAREt:1 ANALYSIB««-< :::~ ::::: ::.:: ::::: ::::: :::. ::::: :::: :::: :::: ::::: :::: :::: ::::: ::::: ::: ::::: :::::.:::: ::::: ::::: ::::: :::.:: ::::: ::::: :."::: :::: :::: :::: :::-:: :-.::: ::::: ::::: ::::: ::::: :::: ::::: :::;: ::::: ::::: ::::: ::::: :::: :::: ::::: :::;; ::::: ::::: ::::: ::::: :;::: :::;: ::::::::: ::::: ::::: :;::: ::::: ::::: ::::: ::::: ::::::::: ::::::::-.: :. .... ": == :::::::: ::::::;::: ::::: ::::: ::::: ::::: ::::: GO I 1 .. _ CI..J)3GIFICATIDhl U3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL 3UBAREA FLOW-LENGTH (FEET) -:1.00.00 UPSTREt:1M EL.EVATION = 347.00 DCJVJ!';IGTHE(')~'1 ELE'...j(~T I Ol\~ :::: ::~;,q·~3" 00 ELEVt:1TION DIFFERENCE = 2.00 1.JFi'T?{:ll) (::H.JE! (:\n E:(:i Dl..)EHU-4ND T J t'!E nr;: FOOl .. OJ.',I (1"'1 J !\IUTES) ..... 10 fEAR RAINFALL INTENBITY(lNCH!HDUR) = 3.420 TOTAL AREA(AC~~S) = l'Ol'AL RUNOFF (CFS) = **************************************************************************** FLOW PROCESS FROM NODE 46.00 TO NODE 47.00 IS COD~ = 6 , ..... --~;: ~;;: ~;: ~;;: ~;;: ~; ~; ;~~ i;~: ~:~ ~~ ;~ -... ~ ~: ;~; ~~ ~~: ;:; ~ ~ ~~ --:~~ ;:~ ~ ::,: ~~ ~~ ~~ ~. ;:~ ~~ ... ~~ ;~~;~ ~~ ... ~; ~~; ~~ ;~;~ ~~ :;~ ::~. ::;~. ::;. ::;~ .. , .. _ .. ---.. " _ .................... '" .... --'--._.-.... -- ===~====================~============================================~====== • , UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = 305.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INQ~ES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CRoSSFALL(DECIMAL) -.0200 S~ECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = Z **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -5.56 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLoODWIDTHCFEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.90 pnDDI..JC"1" OF' DE~F'TI"I~c\·JFL.OC 1 TY ::~: 1 • O(~~' STREETFlOW TRAVElTIME(MIN) = 4.28 TC(MIN) = 12.57 10 YEAR RAINFALL INTENSITY(INCH/HDUR) = 2.616 !:':;U I L c::1....("1~3~:; I F I C::{~T 1 ON IS" D" SII";J(3lE F(:)!'lILY DE')ELDF't"IENT Rl..lI'KlFF CDf.:::FF·ICIENT ::::: . ~5~SOO SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFFCCFS) -10.22 SUMMED AREACACRES) = 7.30 TDTAL RUNOFF(CFS) -10.59 END OF SUBAREA STREETFLOW HYDRAUlICS~ DEPTH(FEET) = .33 HALF STREET FLOODWIDTHCFEET) -10.20 FLOW VELOCITY(FEET/SEC.) = 4.58 DEp·TH·}l·\..JEl....DC I T'Y ::::: 1. • :::11, **************************************************************************** FLOW PROCESS FROM NODE 47. 00 TO I\IODE ·(.j·B," 00 I ~3 [cmE:. :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ======================~==~========~================================~=======~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11,.9 INCHES PIPEFLOW VELDCITY(FEET/SEC.) = 8.6 UPS1REAM NODE ELEVATION = 306.00 DOWNSTREAM NODE ELEVATION = 305.00 FLOWLENGTHCFEET) = 50.00 NANNINGS N = .013 [) I t·/El.1 PIPE D I(.:)t'IETEF~ ( n,ICH) ::::: HL 00 t···IL.lt"'1BEH OF F'I PEt) ..... .i. PIPEFLOW THRU SUBAREACCFS) -10.59 TRAVEL TIME(MIN.) = .1,0 TCCMIN.) = 12.67 **************************************************************************** FL.oW PROCESS FROM NODE 48. 00 I f3 CODE ::::: 1 -------------------------------------------------------------------------~-- »»>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =====~======================================~==~==========~================= CC)l···.IF·L.I...!EJ·~CE \}{.~L.UE:s !.J;;3l::::D F·CJF.;: I NDEPEhiDEJ·n E;Tr;:t~{1t'1 2 {~PE ~ TIME OF CONCENTRATIONCMINUTES) = 12.67 PAINFALL INtENSITY (INCH.!HDUR) ~ 2.60 TOT (.·~IL. ~::)Tn[Plt'1 {-:lf~E(~ ({.\cr':;:EE;):::: "7 " :'::;0 TOTAL STREAM RUNDFFCCFS) AT CONFLUENCE = 10.59 CONFL.UENCE INFORMATION; STREAM RUNOFF TIME INTENSITY t···.IUt'·IE{Ef~ (CFf.3) (t·'II 1\1.) ( I NeH / HDUH) ---------------------------------------------------------------~----~------- 1, f.1·1,.4!::i 10.5? 11.1'0 Zl , ..................... ~. . ••• ~' ., •• :! t ~ 1 .1.................. ! It .: .... 1,· ... 1 ; ._ ..... _.~.~ ••••• _;. CC)J'!F'U"I'ED CClI\IF::-L..I...IEI\ICr::: EE:;T I 1· ... IP,TEf::. (,[=::[ (!t3 FClI ... L.DI;·J~3:: RUNOFF (CFS) = 51.26 TIME(MINUTES) -14.269 TOTAL. AREACACRES) = **********************************************************************~***** FLOW PROCESS FROM NODE lIB. 00 TO hl()Dr::~ 127.00 IS CODE :::: 4 ..... ___ ... 0., .. __ '" .o. ........ 0 .... _0 NO .................. _ "0, ...... _., .. w. __ ............... _ ........ _ ................ "_0 ....... 0_ .......... _. M ................................... 0.' ...................................................... -, ...... -0" .......... -0 ...... NO ............ __ ........... _ ........ _ ........... _~ •.................... > > > > >COI"1F' I...J TE PI PE::FLOilJ TFU·Y/ELT I l'lE THF~U t;U!3{~I;:r:::.:(~< < < < < »»>USING USER-SPECIFIED PIPESIZE««< ::::: ::-.::::::::::: :::::::::::::: ::::::::::::: ::::::::: :::::::::;:::::::::::: ::::::::::::: :::::;:-.: ::::::-:.":::::::::::::::: ::::: :::,:: ::::: :::: :::::::!:: :::::::::!!::: ::::: :::: :::::::::: ::::: :.-:::::.:::::: :::: :::: ::::: ::::.::::::::; ::= :::: :::: ::.::: :::::::::: :::::'::::: ::::: ::::: ::::: ::::: ::::::=.:::::::::: ::::: :::.-: ::::: ::.-:::::: ::::: ::::::::::::: ::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 17.6 INCHES PIPE~LOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE EL..EVATION = DOWNSTREAM NODE ELEVATION = FLOWL.ENGTH(FEET) = 100.00 .GIVEN PIPE DIAMETER(INCH) = MANNINGS N = .013 ::~6 .. 00 NUMBER OF PIPES - PIPEFL..OW THRU SUBAREA (CFS) -51.26 TRAVEL TIME(MIN~) = .11 TC(MIN.) = 14 .. 38 :!. ********~~******************************************************************* FLOW PROCESS FROM NODE 1.27. 00 I~D com: ::::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< !!!:::::-.::::::::: :::-.: ::::: ::::: :.-::: ::::: ::::: ::::: :::: ::::: :::::::::::::';:::: ::::: ::::: :=: :;::: :.:: ::.-:: :::-.: ::::: :-.::::::: ::::; :::::::::;::::::::::::::: :::::::::: ::::.: :::::-::::.: :.:.-:: ::::: ::::: ::::: ::::: ::;:: :-::: ::::: !:::; ::.-:: :::.-::::: :--":! ':::: ::::: ::;:: ::-:.::::: ::::::--:: ::-.:: ::::: ::;:: ::::: ::::: ::::: :::-.:::.: ::::: :::::::::::::::::: ::::: :::.-:::::: ::::: ::::: CfJt···.!FLI...JENCE V(.·~LUE~; !..JE:S::D FOFi: I 1\~DE~PE:I···mENT ~:3'rl'Ef~!'''1 :l (inE ~ T I t'IE OF CClNCENTn{i T I DN (t'1 I 1\IUTE~3) ::: 1.1.1·. ::::'f::l RAINFALL INTENSITY (INCH./HOUR) = 2.40 TOTAL STREAM AREA (ACRES) = 3&.70 • TOT{-~L ETF"\E(-\t·,.! RUNOFF (CFf:3) ('·~T COt···.IFL.l..JENCE ::: ~31 .. 26 , FLOW PROCESS FROM NODE :1.25. 00 TO hi CJDE 1.26 .. 00 IS CODE ::: ---------------------------------------------------------------------------- ====~=====~======================~==~=================~================~==== SO II.. CI..J:1SSIF I C{lTI m·.1 I S liD It RURAL DEVELOPMENT RUNOFF COEFFICI[NT = .. 4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION ' ..... .) I TH t 0····1·'1 I t···.IUTEE; {1:DDED ::-": J. il·" (r~:: (IvII 1\lt..!TEE) J NIT I ()L SI...JB()F;:E{-~ FL..DI/,I···I...EJ\H3TH (FEE·!") .... E;OO n 00 UPSTREAM ELEVATION = 347.00 DUI.A.I!\H3TF:E('·'it'1 EU:':I·H-1T I ON = ::::;O:L .. 00 ELEVATION DIFFERENCE = 46.00 1.0 YEAR RAINFALL INTENSITY (INCH!HOUR) -2.438 SUBAREA RUNOFFCCFS) - l~TAL AREA (ACRES) = 1.40 TOTAL. RUNOFFCCFS) - *********~~***************************************************************** FLOW PROCESS FROM NODE 12"7. 00 I E; CODE ::::: -----------.----------------------------~------------------------------------ »»>DESIGNATE INDEPENDENT STREAM FOR CONFL.UENCE««< »»>A~W CClMPUTE VARIOUS CClNFL..UENCED STREAM VALUES««< ::::: :::: :.-:::::::: ::::: ::::: ::::::::::::::: ::::: ::::: :::: :::::::::: :::::::::: ::::: :::::::':. ::::: :::.: :::: :::::::::: :::: ::::: :::: ::::: :::: ::::: ::: ::-.: :::: :::: :!: :::::::: ::::: :-.:: ::::: :-.:: :::.-: :::.-: :-.:: ::::::::::::::::::::::: ;:-~ ::.":: :-.::: ::::: ::::: ::::: :,:::: ::;: ::::: :::: ::::: :::: :::": :.-:: ::.:''o:::~ ::::: ::::: :.::: ::::: ::.:: :.::: :::: ::::: ::::.~::: ::::: CDNFUJEI\ICr-::: "/('~LUEE U~3r::::D FDF~ I t··mCPENIH::.t'rr STm:J\I"'1 :;:~ (·~nt:~ ~ TIME OF CDNCENTRATION(MINUTES) = 14.03 RAINFALL INTENSITY (lNCH.!HOUR) = 2.44 TOTAL STREAM AREA (ACRES) = 1.40 TQ1AL Sl'REAM RUNOFF(CFS) AT CONFLUENCE = 1.54 , • , U1H'<! .. ) (I!',!CH/HOUFU .00. ___ ....... _ ..... ___ .......... __ ........... _. " __ .......... 0 .. "'-_ .......... __ .................. ___ ..... "oO' __ ..... __ ................. _ .................. _ .......................................... .'0 .......................... _ ............................ -......................... --.......... -..................... MO ••••••• -0- 1 ~31 u ;::~:) 1 .. ~.'54 1. 4. ~;'E1 14 .. 0::::; H{') I I\IFPll...l..··· I !\I·rENf3 I T'l-··n{':\T I 0 CDHFI....I..JEI\ICE FOHt~IULr~ UHFD FDH VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 5:1..9'-? cm:\F·UTEDCClNFt...I....IE:t\ICE EST I 1'1(,,:\ TE~) {1F.:E (~IE3 FOL.L..U!/'JE; g F:UI·.!()FT~ (C)·::~:3):::;: 52.77 TH1E n·'iINl.JH::.:m .... 14. :::::81 TOTAL.. AREACACRES) = **************************************************~~************************* ':~·'7· r. 00 TD NODE !50 .. 00 I S CODE ::.:. ---------_._----------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANAlYSIS««< =================~========================================================~= ED I L. CL..{21S:::3I F I C{~T I ON I t3 " D'! ~::; I N!3LE FP!t·'1 I L.."Y' m:~')El..OPt··IENT rH.!t"·,jC1FF CDEFF I C I EI\IT ::: "~5~:.l()O I NIT I til... SUE:{-~F::l::(:') FLm,J·-·U:::NGTI·-! (FEET) .... 100. 00 LJPt:;TPE::i:·)t·:1 EI .. E'v'f·~T I ON ::: 444, 00 Dm~hl;-3TF:;:E(.1!\1 EI....EVt-rr I ON :::: ELEVATION DIFFERENCE = URBAN EUBAREA OVERLAND TIME OF FL.OWCMINUTES) - 10 YEAR RAINFALL INTENSITY (INCH/HOUn) = 3.420 SUBAru~A RUNOFF (CFE) -.38 TOTAL AREACACPES) = TOTAL RUNOFF (CFS) - FLOW PROCESS FnOM NODE ~50. 00 TO NDDE::: z:i t "00 I S CODE ::::: ----------------------------------------~----------------------------------- »»>COMPUTE 9TREETFlDW TRAVELTIME THRU SUBAREA««< ::::::::: :::: :::: :::: :::-.::::: :::: ::::: ::::: ::::: :::::::: :::::::::: :::~ ::::::::: ::::::::::::;::::: :::: ::::: :::: :::: ::::: :::: ::::: :::::..:::: ::;:: :::: :::: :::: ::::: ::::: ::::: ::-: :::= ::::: :::::,::::: :::-.:::::: :::::. ::::: ::::: ::;: :::: :::: ::::: ::::: ::::: ::::: ::::::;:: :::: ::::: :::::.::::: :-.:::::::: ::::: ::::: ::::: ::::: !' .. ":: ::::: :-.::: ::::: ~:::: :;::: ::::: ::::: UPSTREAM EL..EVATIOH = 442.00 DOWNSTREAM ELEVATION = 400.00 STREET lENGTHCFEET) = 750.00 CURB HEIGTH(INCHES) = 6. t:jTnEEt Ht~IL..F\I·J I DTH (FEL::'T) =-": 28. 00 S·r~~:EET CHDSElFrlL.L. (DEC I t'"i{1L) _.. .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -7 .. 38 STREET FlDWDEPTH(FEET) = .28 H('~LFSTF~E:ET FL .. DODl!·) I DTH (FEET) =:: "j' • ·71 AVERAGE FLOW VElOCITYCFEET/SEC.) -5.18 PRODUCT OF DEPTH&VEL..OCITY = 1.45 i:HF~EETFI....m'J TR(:11}ELT II'1E C t'll N) :"= 2 .. I~.:I. TC (t.'1J: N) ::::: :I. 0" 71 10 YEAR RAINFALL.. INTENSITY (INCH/HOUR) = 2.901 GO I L CL(")GEj I F· I c(.Yr I DN I~:3 "D II ::::;INGLE Ft·~lt··1IL.Y DE'·jEL..Dpr!IENT PI...JI\IOFF CDEFFICIEt\IT ;:~~ • ~5~500 E)I .... IBAF~E(~ ,!:iRE:{.~ (m:m::.5;'::::: B n ;:30 i:3UB{¥~E{-) 1:~UNm'::··F (CFS) ... :t I.l .. 04 GLWn'IED f~nEr~ (ACHEE)) !!"": C? 00 TfJT('·)L. PLJt\IDFF (CF~)) .... 1. 4" i.!.:7;~ END OF SUBAREA STREETFlOW HYDRAUL.ICS: DEPTH{FEET) = .35 HAL.FSTREET FLOODWIDTH(FEEt) -:1.1.02 FUll'.! . 'v'E1JJC I TY (FEET / ~3E:C::.) ":: ~73 n 4:!. DEpnH~·\'lEl....oC I T\'::::. 1. u 87' FLOW PROCESS FROM NODE ESl "00 TO hlCJDE !.55 n 00 I E CCJDt~ :::: ---------------------------------------------------------------------------- :> >: > :> > CDI':IF'UTE F' I F'EFLCJ~I,1 H~NIELT Il'lE THF~I..J SUB{'~Fi:E{-~< <: -::: <: <: »»:>USING USER-SPECIFIED PIPESIZE«<:« ====:::::==============:::::=:::::==============~====:::::==========~======================= DEPT!--·I OF Fl.... o v·) In 1. f:l. 0 J NCl·t PIPE 1£3 10 n 1 I r\!CHE:S . PIPEFlOW VELOCITY(FEET(SEC.) = 14.1 1....1F'~:~TF~[JH·l !\~UDF.~ELEVf~T I DN:::-: '!·(lU. 00 • I FLOWLENSfHCFEET) = 600.00 MANNINGS N -.013 GIVEN PIPE DIAMETER(lNCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THR0 SUBAREA(CFS) -14.42 TFU~VE!.... T HiE (1"·1 H-L) ::: • 71 TC n-n I ... !.) ".::: 1 1 . i.L? ------------.----------------------------------~-----------------------------. >-:> >:>:> DEB I (3hl{:) TE I NDEPENDEHT STF(I~~(.il··!1 FT1R CDNFLLIENCE< < <: <.::: ::::: :OM':!:: ::::: ::~ ::::: ::::: ::::-::::: ::::: :::: ::::: ::::: :::::::: :::: ::::: :::: ::::; ~: ::::: :::: ::::: ::::: ::::: ::::: ::::: :::-.:;::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::::::: ::::: ::::: ::::!: ::::: ::::: ::::: ::::: ::::; ;:::: ::::: ::':: ::::: :::: ::::: ::::: :::;: ::::: :.:::::::: ::::: :::: ::::: :.::: ~:.::~ ::::'! ::::: ::::: ::::: ::::: ::::: ~:: :::;: ::::: ::::: ::::: :::;: :;:= CCJNFLU[';:J;~cr:~ V("~LI.JE~B I..Jl3ED FClI=( I hIDEPE::NDEhIT \:3TRE{:)t·1 1 Pil:~:E f. TIME OF CONCENTRATIONCMINUTES) = 11.42 R{::l I hlF lr.iLL I 1\ITEN~3 I T'y' (I NCH. l HDI...JP<:) :::: 2 u 7[::; TOTAL STREAM AREA (ACRES) = 9.00 TOTti!.... BTnE:r:it'l F~I...JNCJFF· (CFS) (~T C(JI\IF:LUEI\ICE :::: 1l+ .. 4:,;:: **************************************************************************** FLOW PROCESS FnOM NODE 52.00 TO NODE ~.i3" 00 I E CODE ::: , .... . l!:. ---------------------------------------------------------------------------- =============================================================~========~~==== SOIl... CLI~E3EHFICnTION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA PLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 377.00 DoWNSrnEAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLoW(MINUTES) - 10 YEAR RAINFALL INTENSITY~INCHlHOUR) = 3.420 SUBAREA RUNoFF(CFS) -.38 TOTAL AREACACRES) = TOTAL RUNOFF (CFS) - FLOW PROCESS FROM NODE ~5::~; .. 00 'ro NODE ~.: :1-. 00 I E:: CODE :::: ,£::' ........... ___ ._ ,.0_ '''-.......... '!"_ ON .. "0" .................................................... 0 .......... _ ................................... "0_ •• 0 ................. 00 __ .......... _0 ....................................................................................... "!_ ......................... O"M ............... -.......... 00-.......... , ....... .. »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =====================================================~====================== UPSTREAM ELEVATION = 375.00 STREET LE~3TH(FEET) = 650.00 ~:::-Tm:.r:::T Htd .... Ft!·.' I DTH (FEET) :::= 2f.i. 00 DOWNSTREAM ELEVATION = 365.00 CURB HEIGTHCINOHES) = 6 .. STREET CROSSFALL(DECIMAL) -.0200 SPEC I F I E::D hlUHBER OF 1·-1AL.FGTPEETG C('~FmY I I\IG Rl..mOFF ::::: **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTH(FEEf) = .31 HALFSTREET FLOODWIDTH(FEET) = CJ ··:!·· .. ;f l n .... 1 l AVERAGE FLOW VELCJCITY(FEETlSEC.J - PRODUCT OF DEPTH~VELOCITY = • Gl E;TF~E:E·fFL.DIJJ TF~I~VELT Il'"1E (1"'1 I 1\1) ::::: !..1-. 19 TC n'UN) ::,:: 10 YE(·~n nAI!'-.IF(~Ll... IhlTENSITY (Ii\ICH/I··IC)UF.:) ::::; :? 6;::f.:: SOIL. Cl...I~SE)IFIC(.iTIDN IB "D" SINGLE FAM[LY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACREB) = 6.50 SUBAREA RUNOFF(CFS) -9 .. 40 SUMMED AREA (ACRES) = 6.70 TOTAL RUNOPF(CFS) -9 .. 77 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .36 HALFsrREET FLOODWIDTH(FEET) -11 .. 85 FLOW VELOCITYCFEETlSEC.) -3.21 DEPTH*VELOCITY = 1.17 **************************************************************************** FLOW PROCESS FROM NODE ~S4 n 00 TD nODE ----------------------------------------------------------------------------. , :>:> >:> :>cm'1PUTE F' I PEFL.C)\.!,J TF:{WELT I !"il::: TI···!nU ':;3 JB(':iHE{:~<.(.( -::: <' ===========~========================~====================================:== DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 365.00 DO!I·JI\I~:;TR[PI!'! !\!ODE EL.Et..J{~T I (IN::: :~:'64. 00 , F'UJ\AJLEl\Il:lTH(FEET) """ !so.oo r'i!{\\\ININC-m N I:::: .01:::;; GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -9.77 :I. • T F;: n V E.. T HI! E (1"'1 H-L) I::: • :I. 0 T C (t·n 1···.1.) ~":: L::~ .. ~S8 **************************************************************************** FLOW PROCESS FROM NODE 1 ~-----------------------------------------------------~--------------------- »~»DESIGNnTE INDEPENDENT STREAM FOR CONF~UENCE««< »»))AND COMPUTE VARIOUS CONFLU8~CED STHEAM VALUES««< ~==========~==========================================~=====~=========~===== CDI\IF'LUENC:E 'v'('~iLUE~"3 U~3ED F::-DP I I\!DE~PEI\IDEHT ~:3THE(\I"'1 2 {:iF~E 11 TIME OF CONCENTRATION(MINUTES) = 12.58 F;:("; I t··.!F (iLL ]. hITEh!S I TY (I NCH. /\···IDI..JF;:) :::;, :,;::" 62 TOTAL. Sl~EAM AREA (ACRES) = 6.70 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 9 .. 77 CONFL.I..JENCE I NFC)F~lvl{~T I Dr'-! ~ STHEAM RUNOFF TIME INTENSITY r-.IL!t"iIBEH (eFG) (j·HN.) (IhICI-·!/HDUro ---------------~--------------------.---------------------------------------- .• ~ .1::' 14.47:: 9.7"7 :1.1" '12 RAINFALL.-INTENSITY-HATIO CONFLUENCE FORMULn USED FOR 2 VARIOUS CONFLUEHCED RUNOFF VALUES ARE AS FOLLOWS~ cm'IF:'UTED CDt'.IFI..J . ..!ENCE EErr I I1IATEf.:; f~lRE {:'i~3 FDU_OlfJE) ~ RUNOFFCCFS) = 23.60 TIMECMINUTES) -11.423 TOTAL AREACACRES) = *****************************************************~********************** FLOW GROCESS FROM \\lODE ~1~5" 00 TD NODE;: 1 :::;;::::;. 0(1 I ~3 f.:ODE ::;: »»>COMPUTE PIPEFLOW THAVELTIME THRU SUBAAEA««< »»>USING USER-SPECIFIED PIPESIZE««< ,q. ::::: ::::: !:::::::: ::::: :::: ::!!"!!:::::~ :-.::: ::::: ::::: !:::: :::-.: ::::: ::::: ::::: ::::::::: ::::: :!:: :::: :::: ::::: ::~ :::: ::::: ::' .. '! ::::: :::: ::::: ::::: ;::::::::: :::::::::: ::::: :::: ::;: :::::,= ::::: ::::: :-.::: :::.:: :::= :::-.: :::: ::::: ::::: :::: ::.:: ::::: ::::: ::::: ::::: ::::: ::::: :OM":: ::::: ::::::::; ::::: :::: :::: ::::: ::::: ::::: ::::: ::::: ::::: :::: :::: ::::::::: ::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 8.7 INC~~S PIPEFLOW VELOCITYCFEET/SEC,,) = 18.0 UPSTHEAM NODE EL.EVATION = 365.00 DOWNSTREAM NODE ELEVAT10N = 333,,00 FLOWLENGTHCFEET) = 350.00 MANNINGS N = .. 013 G I'v'E!'-1 PIPE.: D I {:ll"'iETER ( 1 1---1 CI·-! ) :::: ::::.f::,,, 00 l\1l.JJ·1BEn DF PI FES ... 1. PIPEFLOW THRU SUBnREACCFS) -23,,60 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 11.75 **************************************************************************** , __ ;;;;:;~~;~~~~~~~~~~~;.~~~~~~:~~~~;~~;~~~~~~~~~~~~~~;~~~~~~_:_. __ 1.~_. __ ._. __ . __ "~ __ =======~======================================================~============= CONFU.JEI'~CE V{:~U-'ES I.J~~E:]J FDF-\: I hID EPEJ·.IDEhlT GtHE(~11'o1 1 (..iFi:E: TIME OF CONCENTRATION (MINUTES) = 11.75 H(-)!t\IF(lLL .. Il'!·fET·H3ITY (H'.!CH. /!··mum I:::: 2. T::: TOTAL STR~AM AREA CACRES) = 15.70 TOl(:'\I... ~3TP1:~ Ncl F·;:l...lt\!OFF (CF~3) . {Yr ~:::mJi-L.I . .'F'!"[f" E .,- .... --------------------------~------ • • • *************************************************************~*****~******** :I. :::::0.00 TO t···,IDDE: 1 ~:q . 00 :U.3 eelD r::: ::::: -----------------------------~---------------------------------------------- »»>RA1IONAL METHOD INITIAL SUBAREA ANALYSIS««< =================================~==============~==========~===~==~==~====== Be) IL CL{iB!3IF IC(1T ION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = INITIAL SUBAREA FLOW-LENGTH(FEET) -:I. (l(). 00 UPSTREAM ELEVATION = 376.00 DCJl'\II"'~:3TRE(.7i1·1 EI...E'-./{':j·r:l: DI\j ::.:: ELEVATION DIFFERENCE = URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) - :1.0 YEt·lF: P{}IIt\IF{')LL INTEr\I~::;ITY (It\ICI"I/I··'IDL.lF;:) ::;: ::::.4:;::0 SUBAREA RUNDFFCCFS) - TOTAL AREA (ACPES) = It 3~3 .20 TOTAL RUNOFF(CFS) ". *******************************************~******************************** FLOW PROCESS FROM NODE 1. ~:;.I. • 00 TO I\IODE :I. ~:;;::. 00 I G CODE "':: ---------------------------------------------------------------------~------ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAF:EA««< ::::: :;:: ::.-:-::::: ::::: ::::: :::: ::::: :::;: :::::-::::: :::; ::.: ::::. :::: ::::: =. :::::::::::::: :::;:::::::: :::::::::::::: :::: ::-.:: ::-.::::-':: ::::: ::::: ::::: ::::: ::-.:: ::::: ::::::::: :::::-::::::::: :::.::::::::::: ::::: ::::::: :::: ::::: :::."; :::::::::::::::::: ::::: ::::: ::::: ::::: :::.: ::::: :!:::::::: :::: ::::: ::::!:::: !::::::::. ::::: ::::::!::' :::: := ::::: ::;:'::::: UPSTREAM ELEVATION = STREET LENGTH (FEET) = DoWNSTPEAM ELEVATION = 333.00 600.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CF:OSSFALLCDECIMAL) -.0200 ~~:;PEC I F I EJ) hll."WIBE:R OF H('·~LFSTF;J::r::':T~3 CJH~F~Y I NG PUhIDFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) -5.21 ~::;TFEET r:·L..DlA.IDEPTI·'1 (FEE:T)::::: . 2':::- Hr:~L..F·STF~EET FL.C)[lm~ I DTH (FEE::T) ::::: b. 8D AVERAGE FLOW VE:LDCITYCFEET/SEC.) - F'r;:OI)UCT OF~ DE:.PlHf:I.VEI....C)C I T\' ::::: 1 • .I. 6 STREET FLOW TRAVElTIME(MIN) = 2.27 TC(MIN) = :1.0.57 1. 0 ·y·E(:·,R F;:?~ I I\IF (..1L.L I 1\1 'T" ENf3 I T·Y· ( I j:'·,IC!"·I./ !,··iDI...JF;:) ::::: 2. 9::6 i30IL CL(~!3~3IFIC(iT:r.CJI\1 IS '10" SINGLE FAMILY DEVELOPMENT PUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACPES) = 5.90 SUBAREA RUNDFFCCFS) - SUMMED AREA (ACRES) = 6.10 TOTAL RUNOFFeCFS) - ENCOF SUBAREA STREET FLOW HYDRAULIC5~ DEPTHCFEET) = .30 HALFSTREET FLOODWIDTH(FEET) - FL..DI;,J VEI.."CJC I TY (FEET / BEC.) :::: ;5. f:j::~: tJE:PT!·'I·'!.-\JE::LOC:I: T'{ ::::: (:;' .. 4(~~' :,;::r C,"'::' l r: ..... , l 1 .. 7::::; **************************************************************************** :1. ::~:::~" 00 TO NDDE 4 ----------_._._-------------------------------------------------------------~- :>:>:>:> >CC:WIF'UTE F' I P£::'Fl....OVJ TFi:{1\!EL..T II·:IE ·T"l-·IFi:l..J f.~~U[:{:iFi:E{i< -< -::: -< <: »»>USING USER-SPECIFIED PIPESIZE-<<:<<< ::::: ::::::::: :-.::: :::::::::. ::::: ::::: :::: ::::: ::::,: ::::: ::::: :::: ::::: :::::::.:::::::~:::: ::::: ::::;::::::::::::~::::: ::::: ::::: :~':: :::.-: :~.: ::::: ::::: ::::::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: :'.::: ::::: :;::: ::::: ::::: ::::: ::::: ::~::::::: ::::: ::::: ::::: ::!'.: :-.:: ::::: :::::-: ... .::::::: :-.::: ::::: :-:::: ::::: :::-.:,:::::;= ::::: :::::::: :.:::::: ::::: DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.5 INCHES PIPEFLCJW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 333.00 DDIAJt·',.!STHE{')H NDDE ELEViYT I Dhl :::;: ::::;:3:l u (H) FU)J,'JL.Et'·IG'T'i'''! (FEET)::: 40. 00 t·/I{.INI\! I r,IGE:' 1\1 "::: • 0 :I.~:: GIVEN PIPE DIAMETEHCINCH) ~ 18.00 NUMBER OF PIPES - p I F'~~:FL..DI;,J T"HPU 3L.lB(1nE{~ C eFE;) .... , 9. E37 TRAVEL TIME(MIN.) = .06 TC(MIN.) = :1.0.63 :I. *****f**********~******************·**************************************** FLOW PROCESS FROM NODE 1. ~~2. 00 TO t¥JDE: :I. ::::.~~:. 00 U3 CODE :,,: 1 ---------------------------------------------------------------------------- >:»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :>:>.:--::: ::--riND U:lI"IPUTE \);)n I OUf:; CCH'.IFLUENCr:::D t"3Tf~EPlr;1 "·/{~L..UE'3«< <-< ::=::; :.-:: !i!:',_:,,:,!.-= ;:::: ::::: :::::: :::: ::::" :::: :::::::.::: ::::: :::::::::: ::::: ::..-: ::::: ::::: :::-.:::::: ::::::;::: ::::: :::: ::.-:' ::':'; ::::: :::;; ':::.; :::::. ::;::~:::: :'::::.":-:.~:: ::::; I:':: :;:.'; ::::-::::: :::' ::::: :::: ::::: ::::: !!.-:: ::::: ::::::::: :~:: ::::: :::::::::: :::: _::: :::::. :::-::.::::::: ::::: ::::: ::::: !:~ ::::: :::;0 ::::: ~::: ::::! ::;:: :::: f.::: ::::: ::::: TIME OF CONCENTRATION (MINUTES) = 10.63 P{4 I I\IF nLL.. I J-',ITEt'"IB I T'y (I l\IC:~'I" / !",t[Jl.Jf:~)::::: :;;:: " C);:: TOT {:~L.. ElTF:Er!!'·! {'~!F;:E{:~ ({iCHEE;) ":: b" :lO 'flJT (11... ;:rrPEPd,! HUI'KlFF (CF~:~) (..yr COhlFLUEhlCE :::: CONFLUENCE INFOHMATION~ BTREAM RUNOFF TIME INTENSITY ( INCH/HOUP) • NUMBEF: (eFB) (MIN.) --------------------------------------------------~------------------------- 1 11 • 7~; RAINFALL-INTENSITY-HATIO CONFLUENCE FOHMULA USED FOR 2 STREAMS v(.~n I OU~3 COhIFLI..JENCED r~UN(JFF 'v'{2tLUEt? {.:.)Ft:E (-\S FOLl.JJI,AJS ~ COMPUTED CONFLUENCE ESTIMATES APE AS FOLLOWS: RUNOF~(CFS) = 32.85 TIMECMINUTES) -11.746 TOTAL AREACACRES) = **************************************************************************** ~,5':i' ,,00 I S CODE ::: J.:l, 1 ::::;::::;" 00 TO I"'·,IDDE FLOW PROCESS FROM NODE _ ... ~., •....... 0_ ,._ ..... w ... ____ ...... __ ...... ~._ ........................ _ ... _ ..... ~. M ............. _ ... __ ..... M_, ..... MO ....... MO,' _ .......... 0.' ............... _ ............. --.. ,0' M .......... MO .......... -.......... --... _., M_ M", ..... -_ ..................................... _ .................. -", .... , ...................... -... - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =============================~===================================~========== DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTHEAM NODE ELEVATION = 331.00 • DOWNt?TREAM NODE EL~VATION = 315,,00 FLOWLENGTHCFEET) = 450.00 MANNINGS N = .013 G I VEH P I FE D I (.:)!VIETEH ( I t'~CH) = 2i{ .• 00 !\ILWU:,;:ER cn:' P I PES .". PIPEFLoW THRU SUBAREA(CFS) -32.85 :!. • TRAVEL T1ME(MIN.) = a54 TC(MIN,,) = 12.28 *************************************~***********************3************** ~5'1 "00 IS ()]DE :~: FLOW PFt:OCESS FFt:OM NODE ............. - -..... -............................................................................................................................. _ .. , .......... _ ........................ _ ................ -...... -..... _ ... --..... --...................... -..... _ ... .::.. ... _ ........... _ ... -............... ~ ....... -_ .......... -........ _ .. _ ............... .. »»>DESIGNA1~ INDEPENDENT STFt:EAM FOR CONFLUENCE««< ::::: :0 .. ':: ::.:: :.:: ::: ::.:: :::: ::::: :.::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ~:: ::::: ::::: :::: :~:: ~: :::;; ::::: :::: ::::: :::::-:::: ::::::::: ::::: ::::: ::::; ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::;;: ;;::: ::::: :::;; ::::: ::::: ;:::: :::.:: ::::: ::::: :::: ::::: -:::: ::::: ::::: :::: ::::: ::::: :::::";:::: ::::: ::::: ::::: ::::: ::::: :.::: ::::: ::::: ::::: ::::: :::: ::;:: ::::: ::::: CCJt"~FL..l...!EI\ICF: I..) {)!...UE\:3 U~3ED FOP II\IDEF'E:I\!DEt\,IT BTHE::?::ll'l :I. (~F:E:: TIME OF CONCENTRATION (MINUTES) = 12.28 F~:('U t\lF(~t!,,_L n"ITEN~n TY (II\IC:H. /HDUFn ::::: 2" 66 TOTAL STREAM AHEA (ACRES) = 21.80 TCrl"(.~L STF,E(:\!'i! HUNOFF (eFt?) AT COt\tFI....!...lENCE "::: ::~2" 8~5 **************************************************************************** FLOW PHOCESS ~HOM NODE ----------_._---------------------------------------------------------------- »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :::: :.:::::::: ::::: :::: ::::: :::-.::::: ::::: ::::: ::::: ::::: ::::::: :::.: :::: ::::: ::::: ::::: ::::: ::::: !'.::: ::::: ::::: ::::: ::::: ::::: ::::: :::::::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::.::: ::;:: :::: ::::: ::::: ::::: .:::: ::::: ::::: ::~ ::::: ::::: ::::: ::::: :::: ::0';: ::::: ::::: :;::: ::::: ;:::; ::::: ::::: .:::: ::::: ::.:::::: ::::: ::::: :::::::::: ::::: =: .:::::::: :::: ::::: :30IL CL{~E\3IF'IC{~TION IS IID'I SINGLE FnMILY DEVELOPMENT RUNOFF COEFFICIENT = INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 351.00 DOWNSTHEAM ELEVATION = ELEV{YT' I ON D I FFEHENCf::: ::;: URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 10 YEAR PAINFALL INTENSITY(INCH/HOUR) ~ 3,,420 SUBAHEA HUNOFF(CFS) -.38 TOTAL HUNOFF(CFS) -TOTAL AREA (ACRESI = • • • FLOW PROCESS FROM NODE :::::::::-::::: ::::: !::: :::: :::.:: ::::::::: ::.:: ::,'::::::: :::;::-.:::::::::::.-:::.:: ::::::::: :::::::-.:: ::::: ::-.:::::: :::;:;.:.: ::::: ::::: ::::: ::::: ::!:: :-.:: ::::: :::-.:. ::: ::::: ::::: :::: ::::: ~::-:::::!".::: ::;::::::: ::::: ::::: ::.-:: ::::: :::: :::::::::: ::::::.-::; ::::.::::::::: ~ ::::: :::':::::::-0:: ::::: :-.:: :::-.::::::::::: ::::: ::.."; :::::.:-.::: ::::: :::.: :;:: :::::::: :::: UPE:;TnE(.:lt"l ELEVnT I ON ::::: ~3~::;9 .. 00 DOv·JNSTHr::~(':it"1 ELEt.jf.~T I 01\1 :::: ~:'l~:;. 00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTHCINCHES) = 6 • STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREET8 CARRYING RUNOFF: 2 0'\' i~·TnAVf::'I.. .. T I t'IE Cot·/!PI..JTED LJt3 11"1(3 t"1E(.:iN FL..CJVJ (eFE) ..... 4. D/.::o STREET FlCJWDEPTHCFEET) ~ .26 HALFSTnEET FLOODWIDTHCFEET) = 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.10 pnODUCT OF DEPTH&VELOCITY = 1.08 STREETFLOW TRAVELTrME(MIN) = 4.06 TC{MIN) = 12.36 10 vtAn nAINFALL INTENSITYCINCH/HDUR) = 2.645 SOIL Ct....P1E3E3IF·IC(.:iTION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUB(.1F(E:P\ {\nE('·~ «('~CFU::S)::::: 6. 10 GUB{-1nE(.·) I=(·UNOF'F (CF'b) ..... B .. 87 ~3ut·lltvIET.) t~nE{:i (PICHES) :::: 6. ~~;o TOTfiL HUNDFF (CFE;) ..... .:?" ::?~::.; EhlD DF ~3f...)E:(.,r-~E(:~ STF<EETFL..Dt'~ H"'{DF~(~\..rL I CS ~ DEPTHCFEET)::::: .31 HALFSTnEET FLOODWIDTHCFEET) -9 .. 37 F·L..Ol'·j '''')EL.OC I TY (FEET I ~:3]::~C;.) ::::: 4" 6:5 JJEPTH1~\"/I:::L(JC 1 T'Y :::: 1 n 4·(;::0 FLOW PROCESS FF<DM NODE ~::i7 n 00 I~:, CDDI:: :::: ------------------------------------_._------------------------------~-~----- »»>COMPUTE PIPEFlOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========================:::::=========:::::==========:::::==========~=====:::::========:::::==== DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITYCFEET/SEC.)::::: 9.0 UPSTREAM NODE ELEVATION::::: 322.00 Dm'Jt\IETF~EI11\1 ",lODE ELEV(YT 101''''1 ::: ~::'2:1. • 00 FLDWLENGTHCFEET) = 40.00 MANNINGS N::::: .013 GIVEN PIPE DIAMETER CINCH) = 24.00 NUMBER O~ PIPES - PIPEFLOW THRU SUBAREACCFS) -9.25 TH(:tVEL TH1E::n-Ht'.I.)::::: .07 TC(tvllN.} .... 12.1..1-1..1- :I. **************************************************************************** FLOW PHD CESS FROM NDDE ~5B" 00 TO t···.IDt)E ~'59. 00 I ~3 CODE ::: :I. »»>DESIGNnTE INDEPENDENT STREnM Fon CONFlUENCE««< =:::::=============================:::::=========:===================~============~= CONFLUENCE VALUES USED FDR INDEPENDENT STREAM 2 ARE: T I HE OF CC)t··,!CEl·.ITHAT I ON (1"'1 H·!t.JTEt:» "": :f.:::. 1.1·1.1· RA I t\IF= ?~L .. L..· I 1\~·rEI\I~31·r·Y (I t\.IC~I-l_" / l-iC}I...JF:) ::::: ::::: tI t"t::::~ TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM nUNOFF(CFS) AT CONFLUENCE ~ 9 .. 25 **************************************************************************** FLOW PROCESS FROM NODE 60.00 TO NDDE b1.00 IS CDm:: :": ---------------------------------------------------~------------------------ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIb««< ;:~: ==:::: ::':: ::::: ::-.:: :::::::::: ::::: :".: =::: ::::: ::::: :::-.: :::::::::::::::: ::::: f.!:::::: :::::::..": ::::: :::-.: :::: ::: =.:: :::: :.:::: ::::: ::::: :::: ::::: ::.::: ::::: ::::. ::::: :::: ::::.: ::::: ::::: ::.::.: ::::: ::::: :::::.::::: ::::: ::::: ;:::: ::::: ::-.:: ::::: :::::::::: :::.: ::::: ::::: ::::: ::::: ::::: ::::! ::::: ::~ ::::: ::::: ::::: ::.:: ::-.:: ::::: :::-.: ::::: :::: :::: :::::::::: f:3DIL CLN:3~:3IF·IcP1TIm\! If3 "D" 8IN~LE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-LENGTHCFEET) -:1.00.00 I.JF·E)·rpE:(.'~t'l· ELEV('~T I O!",I ::::: :34?" 00 DOWNSTREAM ELEVATION = r.:~I...E'/{\T J m·.1 D:r FFEPEJ'·ICE :::; URBAN SUBAREA OVEnLAND SUBAREA RUNOFF(CFS) - 'TOT ('~\L.. {\r:;:.r::::rl ( (':\CF~Ef3) ::::: . 20 TU"I' (:1L HUI\IOFF (eFS) :":: *********~****************************************************************** FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 6 • .. ..... -_. "'''''-......................... "'" _ .............. -........................... -..... --....... _ .. _ .. -....... _ .. --............ -....... -..... "'" .......... -....... ~ ""'''-.. -.............. , ....... -..... _ ... -"-................................ -............................................. --..... -....... . . »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< • • =================================~============================~============= I...JF·:::rn~F..::(.il·"1 r::L .. E'v'(.YrI ON ::::: ::::A'7 • 00 Dm\JNSTF~Er)I''''1 EI....E\}(.~ T I 01\1 ::::: ::H B .. 00 STREET LENGTH (FEET) = 950.00 CURB HEISTH(INCHES) = 6. [:3"'''liEE'T' H{'!I .. _F·I;JIDTI,,·1 (FEET) ::::: 28. 00 BTF~EI::T CF~DS~3F'f:1L!.... (DEC II'1{')L) .-... 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVE~TIME COMPUTED USING MEAN FLOW(CFS) -1.98 STREET FLOW DEPTH (FEET) = .21 HALF STREET FLOODWIDTH(FEET) = 4.40 AVERAGE FLOW VELOCITY{FEET/SEC.' -3.18 PRODUCT OF DEPTH&VELOCITY = .68 STREETFL..OW TRAVELTIMECMIN) = 4.98 TC(MIN) = :1.3.28 10 YEAR RAINFALL INTENSITY(INCH!HOUR) = 2.526 GDIL CLJ,!3F;'[FI CfYTIDI'\1 IS "!)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF(CFS) -3.20 SUMMED AREA (ACRES) = 2.50 TOTAL RUNOFFCCFS) -3.57 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .26 HALFSTREET FLOODWIDTHCFEET) -6.88 FLOW VELOCITY(FEET/SEC.) = 3.02 DEPTI .. ·!:>!-'·.jELDC I T'y' ,:: .DO ******0********************************************************************* FLOW PROCESS FROM NODE 6:.2. ()O TO NDDE ~5~? 00 I E;C:(JDE ::::: ••••• "OM ................................... _~ .................... _""._ ................................... , .......... '-t ••••• "'" ................. _ ••• _ ............. _ ,._ ................................ iM ..... M'" ............. -..... _ .......................................................... -............... ' ..... _ ....... --........ ~ ................. .- :>:>:> > :::·Cm·'PLrn::: PI PEFUJv·J TRf=)')EI.. .. T I t'ilE THFd...l SUBi\F:E(i<: < <: <: < »»)U8ING USER-SPECIFIED PIPESIZE««< :~:: :;::: :::: ::::: -:::: ::::: ::::. :::::::::: i.:: =::: ::::: ::::: :::: :-.::: :::: ::::::::: :::::::::: ::::: ::::::::: ;-.;:: :.-::: :::: ::::: :-.::::::: :::: =.:: ::-.:: ::::: ;:;:: ;::;: ::':::::: ::::: ::::: :;:: :: .. ': ::::~ ::::: :::: ::::: ::::: ::::: ::::: :-.::: =.:: :::: :-.::: ::.:: ::::: :::::::::::::: ::::: ::::-::::: ::::: ::::: :'.::: ::::: ::::: ::::: :::: :.:::: :::::::::: :::: ::::: ::::: ::::: ::::: ::::: DEPTH OF FLOW IN 18.0 INCH PIPE 19 5.5 lNCHES ~IPEFLOW VELOCITY(FEET/SEC.) = 7.8 l...lp~nnE(WI hlDDE F::LE\-'I~·)T I ON::: ::~22. (H) DOWNSTREAM NODE ELEVATION = 321.00 FL..m~JL..ENEnl···1 (P'EET) ::::. ~~:.(). 0(> Ivl(:lhll'~ I Nf.3£-3 t\l:.:: . 0 1 ~~; GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -3.57 TRAVEL TIMECMIN.) = .06 TC(MIN.) = 13.34 **************************************************************************** FLOW PRUC~SS FROM NUDE l::.2. 00 TD t···.IODE :I. ------------------------------------------------------------_ .. _-------------- »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ::::: ::::::: ::::: :.:::: :::: :::::::: :::!! ::::: :::: ::::: :'.:: :::::::::: :::: ::::: :'.::: ::::: ::::: !:::: ::::: ::::: :.-::: :::::.::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :!::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::: ::::.: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: :::;: ::::: :::: ::::: ::::: ::::: :::.-: :.-::: :;::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE~ TIME OF CONCENTRATION(MINUTES) = 13.34 RAINFALL INTENSITY (INCH.tHOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 3.57 CONFLUENCE INFORMATION: STR~AM RUNOFF TIME INTENSITY NUl"IDEH (eFt;) (t'1 I l\~.) ( I I\ICH / 1·"Ic)'-..IF~) -----------._--------_.-------------------------------------~----------------- J. :3:::~~ " E:~~:; 1 2 · ~~t:: ~~ · J~):j(:, ,-. ,'" 2~:') :l :~~ 44 ", < .. '<"::' .' . \ ... 7 .. · .;:: . · ( .. ! -, .... ) ":!' .... , :~:; . ~:i7 :l. ~~ · :SLI· ,.., .,:: . · ~::i 1 8 • • • r;:A I !\I F I':.)! .... !..."" IN'" EJ\If.? I r{····I::t:(.YT 10 CO!\IFU ... JI:::hICE· FOF:;:!"IUL{:~ UE3F::DFiJn ::~; ErrnEId'ES VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES AnE AS FOLLOWS~ RUNOFF (CFS) = 45.42 T1ME(MINUTES) -12.282 TOTAL AREA(ACRES) = :::::0" 60 **************************************************************************** :;:59. 00 TD NODE 118.00 IS CODE :;::: ---------------------------------------------~-----------------_ ... _---------- »»>COMPUT~ PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>U5ING USER-SPECIFIED PIPESIZE««< ::::: ::::: ::.-: ::::: ::::: ::::: ::::: ::::::::::.:;:: ::::: ::;:: !:::: ::::::::: :'.::!::".! ::::: ::.":: :-.::::::: ::::: :::=:::: ::::: :::: :.::: ::::-: ::::: :::: ::OM': ::::: ::::: ::::: ::::: :'~~: ::::: ::::: :::f: ::::: :'.::: ::::: ::::: !.~:: ::::: ::::: :::.~:::: :::: :::::::::: :::::::::: ::::: ::::: :::: :::::::::: :=:::::::: ::::: ::::: :::::-::::: ::::: :::: ::!!! :::: ::::::: :::::::::: :::: ::::: = ::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 11.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 I...JPBTPE(:II'·1 I""I~JDE EI....E!·./(·~IT I ON ::::: ~::'~;~:I. " 0(1 Dm!·JI"'~i:nF(EJ.~t···1 NODE ELEV('·H I ON :::: ::::: 12 n 00 FL[)!}JU::}·.I(:rn·1 (FEET) :::: 70" 00 "I(':1I\IN I l\lf3f:;; 1\1 ::: • 0 1 ~:;; GIVEN PIFE DIAMETER(INCH) = 36.00 NUMB En OF PIPES -1 F' I PEFLDt'·j THF:I..J ~)I...JF::r.:~IHE{~ (CFt::;) ..... ,Q·;5 .. 4:2: T H n 'v' E:L l Hi! E: <t"1I hI..) ="" .. O!5 T C (1"'1 H·J.) :::: :1.:2 .. ~J ::~; ***************************************~~************************************ FLOW PROCESS FROM NODE :.:'?i' n 00 TO I\IODE j. 1 t3 .. 00 1::3 CO.DE :::: :l ..... ___ ..... OM NO •• _oo ..... _ ... 00, ",n' ............. _ ............ _ .... _ .... , ....... 0" ................. _. N'" _0 .................................... 0 _ ......... MO" ................................... , ..... MO .... _ ....... _0 ............ ___ .......... ___ 00 .... , .......... _ ........ _.,. __ 0 ___ ... _ ..... 0.' .......................... -....... , ... .. »»>DESIGNATE INDEPENDENT STREAM FOn CONFLUENtE««< ::::: :::: :::: ::::: :::: :::::-:.::: ::::: ::::: ::::: =.: ::::: ::::: ::::: ::::: :::: ::::: :".::: ::::: ::::: ::::::::::::: :::.-: ::::: :-.::: :::.."! ::~: ::::: ::::: ::::: ::.": :::: :::::::: :.::: ~::: ::::: :-.:: ::::: =:: ::::: ::-.. ": ::::: :!::.: :::: :.':'.: :::: :::: .::::::::: ::::: :~: ::::: :!!:: ::::-:::: ::::: ::::: ::::: ::::: ::::: :. .. .:: ::::: :::::::::: ::::: ::::: ::::: ::::: ::::: ::-.:: ::::: ::::: ::::::::: - CONFLUENCE VALUES USED FOR INDE~ENDENT STREAM 1 AREn TIME OF CONCENTHATION(MINUTES) = 12.33 RAINFALL INTENSITY (INCH.!HOUR) = 2.65 TOTAL STREAM AREA <ACRES) = 30.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 45.42 *************************************~************************************** FLOW PROCESS FROM NODE 110.00 'TTl NDDE :I. 11 • 00 1 B CODE :::: ...... .1::. 00 ••• ___ ....... -~ __ •• , ~ ••••.......... M .................. _ ........ " _ ........ _ ... _ ........ _ ....... ,,00, ................................... __ ..... _ ........ 00'" ... _ ................................... _'00 ....................... , _ ........ _ ... M' ......... ~ .............................. __ .......... M'," ..... __ ...... .; ....... , ....................... .. »»>RATI0NAL METHOD INITIAL SUBAREA ANALYSIS««< ::::: =: ::::: ::::::::: :-.::: ::::: ::::: :::::-::::: ::::: ::::: ::.:: :::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: :::::. ::::: ::::: ::::: :::: ::::: :.:: ::::: ::::: :-.::: :-.::: ::::: ::::: ~:::: ::.:: ::::: ::::: ::::: ::::: ::::: ::::: ::!'.: ::::: :-::: ::::-:,;:::: ::::: .:::: ;::;: :::-:: ::::: ;:::: ::::: ::::: ::::: ::::: ::::: ::::: ::::; ::::: :::: :::: ::::: ::::: :::: :::.":.::::: !:"3D I L. CLP\;::;E I F I C{")T I 0\\1 IS 11 D 11 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVA'rION DIFFERENCE = 2.00 URBAN SUBAREA OVEnLAND TIME·OF FLOWCMINUTES) - :1.0 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 ::3UB(:~F(E(.\ PUblDFF C eFT) ) .... TOTAL APEA(ACRES) = II ::::f:3 .20 TOTAL RUNOFFCCFB) - ~::> ,..')0 {:::. I .... r $I .,: .. ,. f **************************************************************************** FLOW PHOCESS FROM NODE 111. 00 TD t\IClDE 11. 2. 00 I~::; CODE ::::: ------.------.---------------------------~------.-------------------~----------»»>COHPUTE STREETFLOW TPAVELTIHE THRU SUBAREA««< ===========~=============================~====~================~===~======== I...JPElTREP11·'1 ELJ:::: "/(:1 T I ON :::" ~;,:.·t.~9 .. 00 Dc)!!-JNE)TF\E?~lt'l EL..['V'rlT I or .... 1 :::: ~::; :~:; 0 • ()() STR~ET LENGTHCFEET) = 750.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) -(";'f"li"l . n .•• ).s; .......... , SPECIFIED NUMBER OF HALFSTnEETS CARnYING RUNOFF = 2 **TRAVELTIME COMPUTED UBING MEAN FLOW(CFS) - f.rr PFE'r FL.m'mEP1T·1 (r~Er::;:T ) ::: • 2~~; HALFsrREET FLOODWIDTH(FEET) : ide";,' .1. I: I .- • _ ... ~-.,,,_ .... .•. . . . i 1 ..... _ • • ••• ~... .... • PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 4.92 10 YEAR RAINFALL INTENSITY(INCH/HDUR) = 2.534 ~3D I L_ CL.{\~:3~:; I F I CPIT I em I S I! D 11 f::) I NE-lLE F(.·~lr·'! I L.'{ DE\/ELOPI~!E!\IT F:Ur··!DFF CClEFF I t::: I [I'·.IT :::: • ~:);::.;(to SUBAREA AREACACRES) = 2.30 SUBAREA RUNOFF(CPS) - E3LWIt-'IED AnEPI U~CnEB):::: 2 .. ;50 TOT(.·:lL. FHJNDFF (cpm .... EI\\D OF ElI..Jn{::~m:{:\ ElTHEETFLDv,J l·flDHr.iUL I CS r. DEPTH(FEET) = .26 HALF STREET FL.QODWIDT}1(FEET) -6.88 ::::;11 21 FLOW VELOCITY(FEET/SEC.) = 3.03 DEPTH*VELOCITY = .BO **************************************************************************** FLOW PROCESS FROM NODE :I. :I. 2.00 TO I'.HJDE 11 B. 00 :[:;:3 CODE ::: ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< :> >:>:> >U~3I f' .. !(3 USEH--SPECI F I E::D PI PESI ZE««-::: :::::::: r.:::::::: ::,0:: :::.: ::::: ::::: ::~:::.:::.:. ::::: ::::: ::::::::::::::: ::::: ::::::::::::: ::::: r.::: ::!:::-.:: :::-.: :::: ::::::-:. :::: :::;: :::: ::::::::: =: :::: ::::: ::._":::::: =.: :-.::: ::::::: ::.::::::: ::::: :::::::::::::: :.:::: ::::::::: ::::::-.:: ::::: ::::: :.::: :::: :::::::: ::::::::::::: ::::: ::::: :::: ::::::::: :::-.: ::::.:::: ::::: ::::::::: :::::-=: ::::: DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFL.OW VELQCITY(FEET/SEC.) = :1.3.7 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE EL.EVATION = 314.00 :;::."7 INCHES FLCJ~··JLEt\ll"3·rl··1 (FEET)::::: 1. 00. 00 1"!r-7iNN I 1\!c:JS r·,! ::::: • 0 1. ~~:. . GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -:I. PI F'EFL..C)vJ ·rl··IHU E;UB{~HE{~l (CFf:) .-. ~~;.. ~5t3 TR(~I\}EL.. T I !"IF~. (I'·n 1\1.):::: r. 1.:7::: TC (i''llI····.I .. ) ::::: 1. ~L 34 **************************************************************************** FLOW PROCESS FROM NODE 112.00 TO NODE 118.00 IS CODE = 1 • _ .•• --~::: ~~: ~~ ~;:: ~;:: ;,; ~:~;, ~~:. ~ ;:~ ~~ ~ ~~ --~~.;~; ~~~~: ~ ;.~ ~ ~ ;:::; ~~~ _H. ;;~ ~;:: ;:~;.~ ~~ ;~~ _ ••• ~; ;~; ~~ ._. ;;~; ;:.:~ ;.; ;~~ ~~ ~~ ~ ;:; ;~ :~. :;~ :;~. :;~. ~~. _H, __ • __ H. _. __ •••..••..•• _H. _H ••.• __ ••• __ •.• _ •.••.• _ •..• _. _H' •..• __ • ======~======================================================~==~=========== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATIDN(MINUrES~ = 1.3.34 RAINFAL.L. INTENSITY (INCH.!HOUR) = 2.52 TOTAL STREAM AnEA (ACRES) = 2.50 TDT (.:~l.. ~::;TF';:EnH HUI\IDFF' (eFG) tlT CDNFLI...JEI\ICE :::: 3 .. 5D **************************************************************************** FLOW PHOCESS FROM NODE 116 .. 00 TO I".!DDE 117" 00 I S CDDE~ '-:: -------------------------------------------------------------------~-------- »»>RATIONAL METHOD INITIAL.. SUBAREA ANAL.YSIS««< =::::=================~=::::=========================~============================ BOIL C! .. _(:~:::33IFICATIDN IS JlD II COMMERCIAL DEVEL.OPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) -650.00 '-..IF'~3H~Enn El .. EV?H I ON ::::: :VI·(). 00 DOWNSTREAM ELEVATION = 319.00 ELEVATION DIFFERENCE = :21 .. 00 J • ..Jrm(~n EUE3(~RE(.7i DVE-::nLJihID T I t"iE OF FLCJI.·\I (I'U I\II..JTES) ..... r:; • 43(:-" ';~'CPIUT I ON ~ SUBf1RE{'~ m .. DPE EXCEEDEl CDUNT\' NDI"'lCJc::)r:~?~PH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED .. *CAUTION: SUBAnEA FLOWLENGTH EXCEEDS COU~ITY NOMOGRAPH DEFINITIOI~. EXTRAPOLATION DF NOMOGRAPH USED .. :1. 0 '{EPIP P{-:i J I\.IF('~!...J... I I\ITEI\IS I TY ( .r.1\IC~···!/HDL.!F:) "": :::; .. l.f.!.D SUBAREA R~NOFF(CF8) -2.14 TOTt·H.. (.:iF;~r::::f.'1 ({)CREED ::::: " Hi) rU'r ?~!L.. RUhlDFF (tFS) ::::: :;.: .. 1. if. **~********************~**************************************************** ,,,w ~ .... ,.OM ... _ ••• ~ •••• "'~"""" ....... _ .~ ••• _., "'w ..... _, •• ,.. .. ... ,.0 ....................... _ ."., •• _ ... _ ._ .. '"'' _.0 , ................ _ ........... _ ...... ,'._ "f" ..... t .... to'" .................... __ ............. _ ........................ , .. _._ ..... _00 .......... _ .~_ .. _ ............ _ ..... __ ..... '_00 ................... :". • • • »»>USING USER-SPECIFIED PIPESIZE««< =~===========================~========================================~===== DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 319.00 D(:)IJJI\I:::3TF::E(:ll"l t'·.IODE EL.E'v'AT I ON ::::: ~::. 14" 00 FLOI/·JL..[}·IErrH (FEE·r)::,.:: BO" 00 HM···.ll'.l I t\IGS 1\1 ::::: • 0 1.~:' G I 'v'E::r,.1 PI F'E: D I ?~ll"lETEr~ ( I NCI .. ·I) :::: 1 f:). 00 NUI"iBEP OF F::' I PEt3 ..... PIPEFLOW THRU SUBAREACCFS) -2.14 TRAVEL. TIME(MIN.) = .16 TC(MIN.) = :l. **************************************************************************** FL.OW PROCESS FROM NODE :1.1"1.00 TO NODE 118. 00 I f.3 CODE ::= »»>DESIGNATE INDEPENDENT STREAM rOR CONFL.UENCE««< :>:>::::> :::+'d'\!D CUIV[f::·tJTE \/M~ I DUS CDNFLU[~I····ICED ~npf.::r.:ilvi l,/PlI..J..JEE:;-::: <: -::: < < :r ' ========================================~=================================== CUt··.IFLlJEnCE V (.'i 1.. .. UEE; USED Fm~: I 1\lm:J:'~~N:OENT nTr(E(~dvl ~~;. ?~:IRE ~ TIME OF CONCENTRATIONCMINUTES) = 9.60 RAINFALL INTENSITY CINCH./HDUP) = 3.11 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CUNFLUENCE = 2.14 CONFLUENCE INFURMATION: STPEAM RUNOFF TIME INTENSITY NI...Jr-U:::I::R (CFf.~) (1"'1 I I··:J.) ( I NCI'1 / HDI...JP) --------------------------------------------------~--------------------~---- 1. 4!5 ,J ---:1 1 ,., ":;'-=!' ..... {:J~5() · T.l: .. .1!:. · .._' .... 1 .1, •• n ..... , .. :~. ~5E.~ 1. :~~ :3·\:1· , .. , ~.:.:i t c' oJ::. ' ... ' · · ,,::. . 7 ~~ :::~ :I. 4 r;r 60 3 :I. 1 !.~. · l · " n{\ I t··.IF: PlI.. .. I ......... I r\ITEI\I~:'3 I T·'j' .. · .. Hf:i T I (] CDt',IFLUEt'·.ICE FUnt'IUI.. .. {l L.!~:'ED FOP ~$ E3Tr:;~E(.:)r·ln VAPIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLL.OWS= COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFCCFS) = 50.64 TIME(MINUTES) -12.329 T01AL AREA (ACRES) = 33.90 FLOW PROCESS FRUM NUDE 122 .. 00 IS CCJDE ::::: ---------------------------------------------------~------------------------ ::::: ::::: ::'_": ::::: ::::: :-.:;: ::::: ::::: ::::: :::: :::: :::: ::::: ;:::: ::::::::: ::: :.:::::::: :::-.: ::::: ::::::-::: ::::: ::::: :::: :::::-:::: !:::: ::::: ::::: :::: ::::: ::::: ::::: :::: ::::: ::::: ::::: :-.::: ::.::::::: ::::: ::::: ::-.:: ::::: ::::: ::::: ::::: :::;: ::::: ::!: :'_'! ::::::::: ::: :::: :-.::: :::::.::::: ::::: ::::: :::::::::: ::::: :::: :::: :::: ::.:::::: ::;:! :::: :::: ::::: ::::: :::; 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.650 ~:::;C) I L CL..(lSE3 I F I ern I 01'\1 IE; "[l!l ~3 I I\!GLE F (:~1"'1 I 1.. .. 'l DEVE-::LCJPI"1r::J'-fr RUhlOF'F' CDEFF I C I EI\IT :::~ • 5!::500 SUBAREA APEA(ACPES) -2.40 SUBAREA RUNOFF (cFS) -3.50 TOTAL AREA(ACRES) -36.30 TOTAL RUNOFF(CFS) = 54 .. 14 T C (1"1:[ N ) ::::: L? ~~::::::; FLOW PROCESS FROM NODE 1 :.?2 • 00 ""'0 I\.IDDE 66 .. 00 JB CODE :::: ------------------------------------------------------------------~--------- »>:»TOMPUTE PIPEFLUW TPAVELTIME THRU SUBAREA««< :> >:>:> >t..lE; I !"'iD usr::::n .. · .. E)PEC I F I ED P I PEE; 11.:[;< <: <: <: < ========~=========================~==========================~============== DE~TH OF FLOW IN 48.0 INCH PIPE IS 21.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 288 .. 00 DOWNSTREAM NODE ELEVATION = 283.00 FUJItJL.FJ,IFiTH(F"EET) ::::: 5(H).OO '·"1t::lt··INH,KIE I\{ C"':: ~(ll~::: G I \iEJ~ P IF"E D l(.)~·IEJER ( I Nel·,) ::: ,;:H3. 00 HLII"IBEI~ OF F' I PE13 _.. :1. to f:3::~; TC(MIN.) = 13.16 M ... _M, __ ............. , ....... 0 ....... _ .. _ ........... _ ••• __ ..... _ ......... _ .. _ .......... __ .. 0 ........ _ ............. _ ..... _ ............ _ ..... _ ............. _ ................ _ ...... M .. M ...... _ ... ____ ...... _ ... "0_"'" ................................ 0-..... M." MO ••••••• _ ...... "" ................... '!. ••• N." ............ 0 .. ':' •• -- ·::: :~ ;; ~::; ~::; :;: ~:: ~ ~~ :;~ ~;::;, ~:~ ~ ~;:: =: ~~.~;~;;: ~~ : ~:!~: ~;, ~~;: ::: ~ ~~~ ~~:~: ~~:=:~ ~~ ;:;:" ~~ ~;~ ~:: ~:: ~~; ~~~:; ~~~;,~ ~~:: :~: ;:~~ :~~ ::: ::::: =:: ::: ::;:: ::: :::: :::: :.:: :.::: ::: :::: ~:: ::::: ::::: :~ :::: =:: :::: ::"" ::= ::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ 'TH'If: UF Cm··ICEI\ITHfiTION (t"lHIUTES) :.::: l~:' .. 16 • RAINFALL INTENSITY Cl~~H .. /HOUR) = 2 .. 54 TOTAL STREAM AHEA (ACRES) = 36.30 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 54~ 14 ******~****~**************************************************************** FLOW PROCESS FROM NODE 67.00 TO NODE M ••• • ..... MOo' ....... 0. ........... MO., •••••• 0 .. , ••••• ~ ••• ~ .................. _ ..... _ ..... _ ..... _ ....... _ ....... -.......... _ .............................................. ~ ..... -..................................... o.' ............... -... _ ..... Oo' .......... _ ....................... -... , ...... " ................................................................ .. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ ~:3D I L CLt~~:3~:3 I F I C(~IT I 01····.1 1::3 II D II E I NC:)LE F (:l t·· I I LY' DEVEI.._OPt"lENT FUhlDFF CDEFF I C I E:!"rr ::: n ;::;~:;oo INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 291.00 Dm'·)I\IBTF~Er.:11·'i ELEV(.·\T I Clh! ::::: :::::fY:i' .00 EL[')('~T I ON D I FFEREI\ICE ""'" 2.00 URBAN SUBAREA ClVERLAND TIME OF FLOW (MINUTES) - 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) = TOTAL AREAtACRES) = FLOW PROCESS FROM NODE '1'C\ 11 ..... '. .. ) .20 TOTAL RUNOFF (CFS) - 6.S. 00 I S CODE :::: _._-----------------------------------------------------------------~-------- ::::: :::;: :::: ::.-:: !:'" .. "!::~ ::.-:: ::-.:;:;:::::: ::::: ;:;:: ::::: ::::=:::: ::::::::::::::: ::::: :::;:::::: :::.:::: :::::::: =:: ::::: :::: ::::: ::::: :::: ::::::::: :::: :.::: ::::: :::::=::::::::::::::: :::::::::::::: ::::: ::::: :::::::::: :::::::::: ::::: :' .. "'::=: ~:::! !;'.!: :-.:: ::~::::: :'.::: ::::: ::::: ::::: :::: ~;'.:. :::: :::.-: ::;: :':~ ::::: ::::: :::: =:= ::;:::::: ::::: Ur::'STHEPlf'''l EI._EVnTIDt··.1 == 2 C?0.00 DO!lJt··.lf3THEAt'··1 ELEl..t'ATIClt···.' :::: :?D2" 00 STFEET LENGTH (FEET) = 800.00 CURB HEIGTH(INCHES) = 6 •. STREET HALFWIDTH(FEET) = 28.00 STREET CHOSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNO~F = 2 **TRAVELTIME COMPUTED USING t"IEAN FLOW(CFS) -2.76 STREET FLOW DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.)·-1.94 PRODUCT OF DEPTH&VELOCITY == .54 STREETFLOW TRAVELTIMECMIN) ~ 6.89 TC(MIN) = 15.19 10 YEAR RAINFALL INTENSITYCINCH/HOUR) == 2.316 ~mIL CU:~:3BIFIC{nI()1\1 IS "D" SINGLE FA~IILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACR~S) = SUMMED AHEA(ACHES) = 3.60 SUBAREA RUNOFF(CFS) - 3.80 TOTAL RUNOFF (CFS) - END OF SUBAREA STREET FLOW HYDRAULICS~ DEPTH(FEET) = .. 33 HALF STREET FLOODWIDTHCFEET) -10.20 FLOW VELOCITY(FEEl/SEC.) = 2.14 DEPTH*VELOC1TY = .71 ~*~*************************************************~********~************** FLOW ,PROCESS FROM NODE 66 .. 00 I Fi CDDE ::::. :L ---------------------------------------------------------------------~------ »»}DESIGNATE INDEP8~DENT STREAr1 FDR CONFLUENCE««< ==================~=======~================================================= CfJI'.,lF'l....uEr··JC[: 1·/(II .... !.JF::s 1 . ..I3EP FUr:;: 1 r··iJ)EJ::·FI'WE I···IT l:H nE(.'~I·'1 2 AHE:: TIME OF CONCENTRATIUNCMINUTES) = 15 .. 19 • • • TOTAL STREAM AREA (ACRES) = 3.80 TOT {':L ;3TF:E:J.:\t·'l Hl...lhlOFF (CF\3) (\ T CONFI..J..JENCE: :::" 4. '7'6 **************************************************************************** FLOW PROCESS FROM NODE 64. 00 I ~3 CDDE ::::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==============~===============================~=============~~==~==~====~=== ~:3(j I L CU:13B I F I Cr:~T I CIt'·.1 IS 11 D It SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 308.00 [)fJW·,·IEllTcEm·1 ELJ::t.,"(.YT I ON ::: :~;06. 00 EU:")(ff' HH''-I D IFFEHENCf::: ::::: :;::" 00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) = 8.299 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.42D SUBAREA RUNOFF(CFS) -.38 TOTAL AREACACRES) ~ .20 TOTAL RUNOFFCCFS) -~38 ~*************************************************************************** FLOW PROCESS FROM NODE {::,i.l·. 00 TO t···10DE 6:::;. 00 IE:; CClDE:: ::::: »»>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA««< ================================================================~====~==~=== UPE~THE{.~t·:! Et .. EVrlT I OH :::: ~:'O~5" 00 DCli,..)hlGTP[{)I·· .. l ELE''')(:~IT IOt\! ::: ;::El2" 00 STREET lENGTHtFEET) = 900.00 CURB HEIG1H(INCHES) = 6. STHEET I~ALFWIDTH(FEET) = 28.00 STHEET CROSSFALlCDECIMAl) -.0200 SFEC I F I EI) hH.mEH::r~ DF l·-!?":}I..J::-!3THE:T::n:; Cr-mFi:'{ I I'~G F,Ul\IClFl::-:::: ~;:~ ';li·-¥.-rn{.~"''/E::L..·r I I"IE CDt .... 'PU TED UE.:; I I\IG t"'IEt)l\I FL .. Dt!J (eFF:;) ..... .2" 4'''1 SlREET FLOWDEPTH(FEET) = .25 HALFSTREET FLDODWIDTH(FEET) = 6.05 AVERAGE FLOW VElOCITY(FEET/SEC.) -2.57 PRODUCT OF DEPTH&VELOCITY = .63 STR~ETFLOW TRAVElTIME(MIN) = 10 YEAR PAINFAlL INTENSITY(INCH/HOUR) = 2.425 DD I L CL(·)~::;E; I F I C{:lT I DI\~ IS" D II SIHGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ~;I...JBm':;:E{'~1 (lEEti «()Cl:;:E~:3) ::": :~:;. 10 l::'LII:::(.mF:::tl F~I..JI\!DFF (CF~:3) .. -4" 1. ::~; SUMMED AnEA(AtnES) = 3.30 TOTAL RUNOFF (CFS) -4.51 END OF SUBAEEA STREETFLOW HYDRAULICS; DEPTH (F~Ef::::"I'):::: " 2!J H{:)I.. .. F~:;TF:EET Fl...DDD~'·J I D"I"I"'l (FEET) ..... "/ " 71 FlOW-VELOCITY(FEET/SEC~) = 3.16 DEPTH*VELOCITY = ,,89 ****~*********************************************************************** FLOW PROCESS FROM NODE 6~:5. 00 TD NODE 66. 00 I El CODE :::: ..... _ ._ •••••• _00. _ ..... _ ..... _ ............................ _0_ MO,_ .. M' _ ................ ~ w ... ___ • WOo' .......... _ ••• _ ... ___ oO' ....... _ .......... "._ ..... __ • _ ... _ ... w ... _. ______ ....... 00_' .......... _H ... _ ............................ , .. _ ............... .; ............................ -.. _ ..... !'. __ oo ........... "'" .. _ ... .. :>:>:>:> >COI"'F::'UTE F' I PE-:FL..Dl,lJ Tn(':~\!ELT I 1'~1E 'TlIHU i3UF3firi:E(.:~r::: <: <: <: <: »»>USING UGEn-SPECIFIED PIPESIlE«<<:< ==================================~=====================================~=== DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VElOCITY(FEET/SEC.) = 6.5 UPSTREAM NODE ELEVATION = 283.00 DOWNSTREAM NODE ELEVATION = 282.00 FLO 1;.) I... E}·.IG T!"'I (FT::r:::l") ::::: 60" ell:) !\1(1 1\!r'·.1 I NEiS N ,,:: " 0 1 ~::. G I VEI'··l P]' F'E D I {\lvll:::H:J~ ( INCH) :::" 18. 00 l\.\\.JI·~1BEJ~ DF F' J PES ... PIPEFlOW THRU SUBAREACCFS) -4.51 TRAVEL TIME(MIN.) = .15 TC(MIN.) = 14.30 FLOW PROCESS FROM NODE 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :=~================:======================================================== • COI\IFLUEJ··ICE l-/{.~l..l...lEB UBEi:) j:::'OP I NDI:::'F'ENDENT S.:;TF:EJ:1!·· .. 1 TIME OF CONCENTRATION (MINUTES) = 14.30 RAINFALL INTENSITY (INCH./HDUR) = 2.41 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM PUNOFF(CFS) AT CONFLUENCE - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY I"",! Ut"l DEF: (CFEi) (1'·1,[ N.) ( I I\!CH / HDUH) ----------.-----------~------------------------------------------~------------ 1 ~3·i.,. · 1. 4 1 3 . 1 6 ::n ~5J.!.0 ~, ~:. /I: · 9(;:; 15 . 1.'-::;' ~~:~ n :::::11:':.1 ::::; ,:'1· · ~i1 1 ·':1· " ::::'0 :~:~ II 40B n(:':i I !" . .IF=-Ptl .... L.:·-I 1\1 TChIE:; I TY· .. ·p(.Yr I () CDI'.iF·U.JENCE F·m;:r·1UI....,'.) 1...J~'3E:'D Fori :~; ~::, .. I"I:;:E{it·1i:3 \){~P I OL!E) C::ONFLUENCED nUNDFF 'v'(iL..UES PIPE (is FDI....I....LlI!JEi ~ 60.b1 COI'''IF'UTED CDNF·LL.lEI\ICE [~:i'r I r"'1 (:1 T E: Ei (iF~t:::: (.\E;; FDI....L..O!,.,JS ~ RUNOFFCCFS) = 62.94 TIME(MINUTES) -13.162 TOTAL APEA(ACHES) ~ il·:~:'. 40 **************************************************************************** FLOW PROCESS FRDM NODE 119.00 TO NODE 120.00 IS CODE = 2 ....... _ MoO ...... M_ ..... _ ... _ ....... __ 0' _ ........ _o. ............. 0 .... 0 ............ _ .. _H, ............... _. ___ .......... _ .................... _ ............................ __ ... _ ............... _H' .... , ..... __ .......... -_ .......... "0-..... MO •• -_ ..................... -......... _ .............. -.............................. ""'-;<"' ::::: ::::: :::: ::::: ::::: ::::: ::; ::-.:: ::::: =:::.::::: :::::::::: :.:~": ::::::::::::: ::::: =-.. ": :.:::: ::::: :;::: ::::: ::::: ::::::::: :::::::::::: :::: ::::: ::::: ::::! :::::::::: ::::: ::::: ::::: ::::: ::::: ~:: =:: ::::: :::: :::::::= ::::: :::<.:::::: ::::::::: ::: ::::: ::::: ::::: ::::: :::';::::: ::::: ::::: :::::-:::: ::::: ::::: ::::: ::::: ::::: :;::: ::::: ::::: ::::: ::::: ::::: ::::: ::;: :;.:: • \:30IL CL..r.~~3~3IFIC(:~TIm~ H3 IIDII SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 306.00 ELE\/r',T I [1\\1 D I FFEPEt\ICE ::::: 2. 00 !...JHBtlN ~3UI3(:iFi:E(=~ DVEF,:LJ4ND T I !\1E: OF FI....CJ~" (t"1 I hII...JTES) ... - 10 YEAP PAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) -.38 TOTAL APEACACRES) = TDT{::lL. PL.lI\IDFF (CFE;) ..... **************************************************************************** FLOW PPOCESS FROM NODE 120 .. elf) TO !\IDDE 121.,,00 IE; CODE :::: ---------------------------------------------------~------------------------ ============================================================================ • UP~::;Tr':;:Enl"1 EL.EVAT I ON:::. ~30B. 00 DDI,·JNBTHEAI'''1 EL.. E: V (.1 T I Or'l :.:: :::::BB. 00 ~nREEr LEhlSTH (Fr::~ET ) ~,:: 4!50" 00 CI...JRB 1"I1:~ I 13TH ( I 1\ICHE~'3) ::::: 6 r. STREET HALFWIDTHCFEET) = 28.00 STPEET CPOSSFALLCDECIMAL) -.0200 BPECIFIED NUMBEP OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME CDMPUTED USING MEAN FLOW(CFS) -2.31 STREET FLOWDEPTH(FEET) = .21 H'ALFE),TREE"r FL.DClDV4 I DTH (FEE"r) :::: 1.1· .. il·O AVERAGE FLOW VELOCITY(FEET/SEC.) -3.71 PHClDI..ICT OF DEPTH8<VEL.DC I TY ::::: .. "79 ~3TF~EETFLDI;'} "IT~,~~I..jELT I t"1E (r'''1 In) ::::: 2. o:~:: TC (1'''111\1) ,,:: :1. 0 " ~.r.:;2 10 YEAP HAINFALL INTENBITYCINCH/HOUR) = 2.972 130 I L ~:~Lf:.iS~; I F I C(.~ T I OI",J I t3 II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.40 SUBAREA RUNOFF(CFS) -3.92 SUMMED APE A (ACPES) = 2.60 TOTAL PUNdFF(CFS) -4.30 END OF SUBAREA STREETFLOW .HYDRAULICS: DEPTH (r::-E:::E r) r.::: • :.26 HPtl ... ,FE)TnEET FL.UDDIA) I )),[,1",1 (FEET) ... , 6 .. BE: • • • *********~***********************************************~****************** (::/7. 00 TCJ NODE 70 .. 00 IE CODE ::: .......... -M .................. H ............... " ..... K ........ _ •• , MO ........................................................................ _0" .... MO ........................... ___ ..... _ .......... ",,'" _ ........................... -.......... _ ••• __ ............ "'''0 .......... -..... -0 ....... -.. '.ON _0" ..................... ,'!;" ..... N ......... 0 ........... . ===~======================================~================================= BCJIL CLPI~:~~3IFIC{iTIDN I~3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3 .. 420 SUBAREA RUNOFF(CFB) -.. 38 TOTAL AREACACRES) = TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 70.00 TO WJDE 71.00 IS CODE~: :::: »»)COMPUTE StREETFLOW TRAVELTIME THRU SUBAREA««< ===========~================================~=~=================~========:== UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER O~ HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -5.02 STREET FLOWDEPTHCFEET) = .25 HALFST~EET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -5.18 PRODUCT OF DEPTH&VELOCITY = 1.28 STREETFLOW TRAVELTIME(MIN) = 3.22 TC(MIN) = 11.52 1. 0 Y[fiR Rr.:H 1\!f="PILL I hITEN~:;r TY C n"JCH/HOUm·::" 2. II!;.!:? f:3DIL CLP1~3SIFIC{1TI()l\1 IS "D" E; I t'll::lI. .. E:: F{:~r---I I L Y DE\.iELDr~·t··lf::NT F~UI\!ClF:'F CClEFF I C I EN1" ::::: .. 5~:;OO SUBAREA AREACACRES) = 6.10 SUBAREA RUNOFF (CFS) - f,;;W"II""IED N(E{) U)CPE:B) 7":: 6. :~:.o Tlrrr.:H". PtJl'··IDFF (CFE)) ..... END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .30 HALFSTREET FLOClDWIDTH(FEET) - FLDvJ '..,.'EL.DC I T\' (FEET IBEC::.) ::::: !5. 70 DEPTI·-j-lt·VEt ... DCI TV:::: t:", "'':',:'t l II ~ I" i [ , .... • 1. fI t'J .';: **************************************************************************** FLOW PROCESS FROM NODE 71.00 TO NODE 78.00 I b C;(JDt :::: ,q. ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>UbING USER-SPECIFIED PIPESIZE««< ===========~===========================================================~==== DEPTH OF F I .... Olf,j IN 2:4. 0 LNCH P I PC IS PIPEFLOW VELOCITY(FEET/SEC.} = 10.6 UPSTREAM NODE ELEVATION = 277.00 DOWNSTREAM NODE ELEVATION = 274.00 FLOWlENGTH(FEET) = 80.00 MANNINGS N: .013 G I t·/Ehl P I FE D I (:it·1ETER ( I hi C 1·-1 ) :::. :24. 00 !\1l.J1"IBEH DF PI PEE ..... PIPEFlOW THPU SUBAREA(CFS) -9.66 TRAVEL llMECMIN.) = .13 TC(MIN.) = 11 .. 64 *********4****************************************************************** FLOW PROCESS FROM NODE 7:1. .. 00 TO I'-IDDE 78 .. 00 I f.~) CODE. :::0 1. CONFLUENCE VALUES USED FOR INDEPENDENt STREAM 1 ARE: T HIE OF cm··ICEI',ITF~!~i T I Ohl (I'··Hl·.Il.rrEE;)::::: 11 • 6·4 nri I NF (.11..1.... J I····.ITEN[;; I T'{ (I NCH. / t·IDl..,iF;:) ".:; ::-;;~. "'i'~; TOTAL STREAM AREA (ACRES) = 6.30 ·rCHf.'1L. ~3TF\Etit"1 nut'-,IOFF (CFb) ri'r CC)I\IFLUENCE :::: '::.:>. h6 •. )I~ .;~. ·il··if .)(. ~:" .Y,--l(-~~ 'l~ 'l~ ~':' ':f .Y,-.j(: -li~ i0 ·if of: * -l': * -l(-if * iI: 'f(-iI: ~': .?~-,;x: '1(' .~: .j(-'K-~1: it· ')1: ~': f: ~-·If ,1" .*. ·if .l\. 'if: 'if: 'fr .*. 'j(: 'j(: .l\. 'l~' "';' fl· 'l~' 'j(: "y: ~';' .)(-.;'.~ ·li··l:-·if i(--f.:' * 'Y,-1.: .~-'l!: ·l,· 'if~' 3~ FLOW PROCESS FROM NODE 72.00 TO NODE 73.00 IS CODE = 2 • • -----------------------------------_._-----------------------------------_._-- ====:======:=====~=================================================~~========= ~3D I L.. C::L{·:'i~3E3:r. F I Cf.'1 T I Ot\! I ~3 II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBf.'1REA FLDW-L..ENGTH(FEET) -100.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 323.00 ELEVATION DIFFERENCE = 2.00 unBAN SUBAnEf.'1 OVERLAND TIME OF FLDWCMINUTES) -8.299 1 () 'Y E (-) r;: r~~ (::) I t·~ F" (.~ L. L I t\,or F~ t\~ ::"3 I ~r '0-r ( I hi C; 1-1 / 1"1 () 1....1 I:;: ) ::::: :3 n /..l~:: () E;UB(:)PE{') Rt.H'··IOFF (eFE)) ..... • :5E: TOTAL AREACACRES) = .10 TOTAL RUNOFF(CFS) -.38 *************************************************************************~** FLOW FROCESS FROM NODE 74.00 IS CODE ::::: I. .. \0":,' ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TnAVELTIME THRU SUBAREA««< ===========~=~=~========================================~=~================= UPSTREAM ELEVATION = 323.00 DOWNSTREAM ELEVATION = 275.00 f.::;TREET LEI\IC;TI-·I (FEET) :::: El~;O n 00 CI..JnB HE I (;)TI .. ·I ( I NCHEEl) ~::: 6 • STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED ~!UMBER DF HALFSTREETS CAPRfING nUNDFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOWCCFS) -2.37 STREET FLOWDEPTHCFEET) = .21 HALFSTREET FLOODWIDTH(FEET) = 4,,40 AVERAGE FLOW VELDCITY~FEET!SEC.) -3.80 PRODUCT OF DEPTH&VELOCITY = .81 ~:)TF;:EETFLm\..1 TF~{Y/EI.. .. T HIE (I"'II N) :::: ~s" 7:5 're (Ivl I 1\1) ::: L? o:~:: 10 YEAR RAINFALL INTENSITY (INCH!HOUR) = 2.692 EOI L CL..{~f)n I F 1 C('~T I ON I~; II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 EUBAREA AREA(ACREE) = SUMMED AREA (ACRES) = 2.70 SUBAPEf.'1 RUNDFF(CFS) - 2.90 TOTAL RUNOFF(CFS) - END DF SUBAREA STREETFLOW HYDPAULICS~ DEP1'HCFEET) = .25 HALF STREET FLDODWIDTHCFEET) -6.05 FLOW VELOSITY(FEET/SEC.) = 4.51 DEF'THi\·I..)EI....C)C I "['\( ~:~ 4. ::::'., FLOW PROCESS FROM NODE '7 i.1·. 00 TD I\IOD[ 'iT. 00 I ~~; Cc)DE =~ ---------------------------------------------------------------------------- »»>CDMPUTE F'IPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 6.9 UPSTREAM NODE ELEVATION = 275.00 D DI;·Jt'·.IST H Et) 1':1 1\1 Df.) E EL E l./?YTI CJ N ::::: :.7:: 7' ·(.1· " 00 FU)\!·JL..t:::w:rrH (F'E::ET):::: !.50. 00 tv'I(.::ll'H'·~ I !,mB 1\1 ::.~ .. 0 1 :~:; GIVEN PIPE DIf.'1METER(INCH) = 18.00 NUMBER DF PIPES - PIPEFLOW THRU SUBAREA (CFS) -4.37 TRf.'1VfL TIMEIMIN.) ~ .12 TC(MIN.):::: 12.15 1 ~******~*~*~~***~******~**************************************************** FLOW PROCESS FROM NODE 7 LI· • or:::. TO t'-IODE 78 .. 00 IE.; C:ClDE ::::: 1 ..... "oo' .......... _ ... "0_ ~._ ••• _ MOO' ..... _ ........ "._ ,._ .. 0 .... 0" ............ _0 ..... MO ....... _ .. "0,. _0 .. 0 .. _ ... _ ........ _OO ............ ~ ................. MO', ....... __ 0 __ H' ..................... ,'!, ............... MO" ....................... _ ........................ 0.' ..... " ............. -....................... " •••• -......................... . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ::::: :::: ::::: ::::: ::= ::::: :::: :::: ::::: :::: :::': ::::.: ::::: ::::: ::::: ~-:::-:::: :::.:: ::::: ::::: ::::: ::::: ::::: ::::: :::: :::: !" .. '!: ::::: :;::: ::::: ::::: ::::: ::: ::::: ::::: ::::: ':::: ':::: ::-.:: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: :::::-::::: ;:::: :::::::::: :::: ::::: ::::: :;::: ::::: :::: ::!:: ::::: ::::; ::::: ::::: :::,; ::::: ::::: ::::::::'.: ::::: ::::: ;:::: :::: ::::: • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ Tt~E OF CDNCENTRATIONCMINUTES) = 12.15 R('~ I NF (~)I...I... I 1\ITr:::~N~3 I ·ry (I NCH r. ! 1-IDUF1:) "::: 2" 6B ·TOTf.:iL :::;·rnE::Plt'1 (.·~nEt·~( ACHEE3) :"~: 2.1;;:-0 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 4,,37 ************~*************************************************~************* FLOW PROCESS FROM NODE 7!.5 ,00 TO hlODE ------------------------------------------------~--------------------------- »»)RATIONAL METHOD INITIAL SUBAREA ANALYSrs««< ':::: ::::::::: ::::: ::::: ::;.:: ::::: :::: ::::: :::: ::::: ::::: :.::: :'.::: ::-.: ::::: :::: :::: ::::: :::: :::: ::::: ::::: .::::: :'.::: ::::: ::: ::::: ::::: :::: ::::: ::::: ::::: ::::: :::: ::::: :;::: :::.:: :::: ::::: ::::: ::::: :'.::: ::::: ::::: ::::: !:!:: ::::: :::::: :-.::: ::::: ::::: :;::: ::.: :.:::: ::::: :;::: ::::: ::.: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :;:::'!:'.:: ::::: :::: :::~ :::: ::::: ::::: :-.::: BCl I!... CL.{:l·~3~:; I F I Cf-~ T I ON I!3 II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I t\~ I T I moo f.3I...lBr:":)Fi:E(4 FUJl,,j·-·LEI\II::3TH (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 YEf.:iR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) -.. 38 TOT(.·'IL.. (:iPE(..") (nCHEE) :::: • :.-';:0 TDTAL.. RUt'IDFF (eFt:') .... .. :;:'~3 ********************************************************************~******* FLOW PROCESS FROM NODE 76.00 TO NODE 77.00 IS CODE = 6 e·--.-~: .:;: .:;: .:~ .:;: ~~; ~~; ~,; ;~:~ ;.:~ .:;~ ~~: -~; ~~~ ;;~ ~~ ;~~ :;~ ~~ ;:~ ~; ~~ ... -:;. ~~ ~;~ :::; ~ ;~~~;. .:~ ;:.; ~;~ _.-~f~ ~~ ~:~ ~~ --~~ ~.~ ~ ::~ ;~~ ~~ ~~ ::~ ::;~ :::~ ::;~ ::;: .. -.... -.---_ ........... -....................... --_.-_.-... ---.... . =~=========================~========================================~======= UPSTREAM ELEVATION = 317.00 DOWNSTREAM ~LEVATION = 278.00 STREET LENGTH (FEET) = 750.00 CURB HEIGTH(INCHES) = 6. t:lTpr::ET H(:lLFl'J I DTH (FEET) ::: 2(;3.00 GTHEET CFc[)SE;F{il .... L. (DEC I IvltlL.) ..... ,,0:;;::00 HPEC 1 F· I ED \'-.IUI·H3EJ1: DF Hm._F::3"n~:EET~3 C (:\1::;: F("t' I hiD RUNDFF::::: :;;:: ~'Hn-FU\t')[l .. T It/IE Cm"IPI...)TED U£; H·.i(:-:) t·'IE(.:I~··.1 F! .... O"'·). (eFf.:;;) ..... :1 .• ::::;::::: STFEET Fl..DVJDEPTH (FEE.T) ::::, • 1 D 1···!PIl...FElTHEET F L.. ODD 1,1) I DTH (FEET) :::: :::::" 7.<:!· AVERAGE FLOW VEl..DCITY(FEET!SEC.) -3 .. 45 PRDDUCT OF DEPTH~~'VEL..ClC I T\' ::::: , 6:~:: ~:n H E: E T F 1._. m',j T I::;: N·,l E L T I 1·'1 E (1'·1 I 1\1 ) 0:: ::~; • c:~; T C (I'll IN;' :::: :l 1 " (1~;::: 10 YEAR RAINFALL INTENSITY(INCH/HOUH) = 2.707 :30 I I... CL.{13:::1 I F-I C!~~T I Dhl I ~3 "D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF (CFS) -1.94 SUMMED AREACACRES) = 1.50 TOTAL RUNOFF (CPS) -2.31 END OF SUBAREA STREET FLOW HYDRAULI~S~ DEPT~I(FEE1) = .21 HALFSTREET FLOODWIDTH(FEET) -4.40 FLOW VELOCITY(FEET/SEC.) : 3.71 DEPT!·-li'~t..)ELDC I T'{ :::: *~************************************************************************** • F"UJ~IJ PTmCE:::3;:3 r:F\:Dlvl nODE 77" 00 TD j\\~]DE 7f:3" (H) I ~3 C;ClDE :::: ,:-:{. -----------------------------------------------------------~-----------------:>:>:>:> :>cm·WI...J"T"E PI PEFLDll.,' 'n:~:N,,'EI.._T I 1'1E THF;:U ~3Ui.:::{..:i!:1:l:::J\< <: -::: -:::-::: :»»~USING USER-SPECIFIED PIPESIZE««< ==============================================================~=====~=====~= DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.0 INCHES PIPEFLOW VELOCITY(FEET/3EC.) = B.O UPE:'Tf.CEPlt'1 t··!ODE EI._E ') (..'-1 T I Dt\1 "':. :~;::7B" 00 DOWNSTREAM NODE ELEVATION = 27~ .. 00 • • • NUMEER OF PIPES -., .1. P I P[F~·L..D!!-·) THHI..J f.3L!E:{:Ir-~[(..) (eFE::) ..... ~?" ':::::1. TP(.:'t'v'E:.I.... T I i"![ (["'1 IN,,) ::::: " 17 TC (t,! I 1\1,,) :.:: :!. 2" 09 **************************************************************************** FLOW PROCESS FROM NODE 77 H 00 TD I\!DDE 78,,00 1::3 CDDE :::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :I. ======~:========:=======================~===============================~=== CONFLUENCE VALUES US[D FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATIONCMINUTES) = 12.09 RAINFALL INTENSITY (INCH.!HOUR) = 2.68 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM RUNOFF{C~S) AT CONFLUENCE = 2.31 CONFLUENCE:. INFORMATION: STREAM RUNOFF TIME I h!'T'ENS I T'Y (CFs) U"IIN.) (IhICH/Houm 1 J.:j\ · &:If~' 1 1 . .~::.''l :;:": " 7·Q·r.;- :2 4-· :3"7 1 ~~ . 1 !:5 ~2 " l:> 7~:5 ~:~ ~. . 1::. · ::::; 1 :l ''', .I:: . H ()Ct ~:;:: " 6B:::: RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS l..)t,P I OU~:) CDNFL..UEt\!CED F~U!\.IC)F:·F V(..)I....UEG {:iHE {~S FCH ... LDlr'.If.::;:: :I. (,,, U3 16" 08 1. 6 H 11. COMPUTED CONFLUENCE ESTIMATES AR[ AS FOLLOWS~ RUNOFF (CFS) = 16.18 TIMECMINUTES) -11.645 TOTAL AR[ACACR[S) = 10.70 FLOW PROCESS FROM NODE 78" 00 TO NODE. 82 .. 00 I.S CDDE· :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< :>:>:> > >LI~; 1: He.:; L.1f:)E:J~ .... ·m:·EC I F I ED P I PES I ZE<: <: <: <: < ===========~==========================================~===::~===~~=========~== DEPTH DF FLOW IN 24.0 INCH PIPE IS PIPEFLOW VELOCITYCFEET/SEC.) = 13.8 UP::3TF;~E{':)t"i I\IDDE ELEV(·~T I ClN =~ ~,~::? 1.1·.00 DDWNSTREAM NODE ELEVATION = FI....OI!-!I....Et'..I(:lTI ... ! (FEET) :::: ~SO()" 00 GIVEN PIPE DIAMETER(INCH) = PIP[FLOW THRU 8UBAREA(CFS) - TRAVEL TIMECMIN.) = .36 r·'I{·1t'·.IN I !\!GB N::::: " 01.3 24.00 NUMBER DF PIPES - 1.6. :Lf:3 TCCMIN.)::::: 12.01 **************************************************************************** FLDW PROCESS FROM NDDE 7B. 00 TO h!ODE H2. 00 I ~3 CDDE :;: , ..... -........ _ .. _ ..... ~ ••• __ .................................. M"'''_ ....... ' ............ _ ... _ ....... _ .. __ .......... _ .......... _ .................................................. __ ....... 0_ ........................... _ ............................................... _ ........... 0 ............................ _ .................. _ ............ -;' •• »»>DESIGNATE INDEPENDENT STREAM FDR CONFLUENCE««< =========~======~====================================::========~============= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION (MINUTES) = 12.01 RAINFALL INTENSITY (INCH./HDUR) = 2.70 TOTAL STREAM ARE(") (ACRES) = 10.70 TOTAL STR[AM RUNOFF (CFS) AT CONFLUENCE -16.18 **************************************************************************** i3::~ n 00 TO NODE B4.00 IS CQDE ~": • ~:'~D I 1.... C:::L(=~E)f:3 I F' I C('·~T I DN I ~3 ., D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT -.5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION::::: 345.00 DOWNSTREAM ELEVATION::::: 343.00 EU:::V('~T IOh\ D I FFEHEI',\CE r.::: 2" 00 URDr·lt·~ ~3UE::Plr';:E?~ O\/EnL{·~ND T I I"'IE DF FL o I,'} (Ivl I NUTES) .... 10 YEAR RAINFALL INTENSITY (INCH/HOUR) ::::: 3.420 suBAREA RUNOFFCCFS) -.38 TOTAL AREACACRES) = TOTAL RUNOFF<CFS) - **************************************************************************** FLOW PHOCESS FHOM NODE f:'34. 00 TO hlODE Bl.00 IS CDDE ::::: ----------------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< =========~===============::::::::::=::::::::::==:===:::::===:::::==:::::====:::::====~======~============:::::== • UPSTREAM ELEVATION = 343.00 DOWNSTREAM ELEVATION::::: 259,,00 STREET LENGTH (FEET) ::::: 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 f.:; PEe I F I ED hIUt"1BER DF H(il.. .. Fti;TPr::ETE C(::IRRY I NG RI...Jt\IOF·F· .:: ;:~ ·:~'·;~Tr:~N/EI.. .. T I 1"1E COI\'1PUTEJ) I..JS I I\IG t'''iFJ~J\1 FI.."I]l·'J (CFS) "" 4" 8ll- STREET FlOWDEPTH(FEET) = .25 HALF STREET FLOODWIDTH(FEET) = b"DS AVERAGE FLOW VELOCITY(FEET/SEC.) -4.99 PRDDUCT OF DEPTH&VElOCITY = 1.24 STREETFLOW TRAVELTIMECMIN)::::: 3.34 TC(MIN) = 11.64 DC) II.. .. CI. .. fiE;E; 1 F I CPIT' I Dhl I f.~ "D" SUBAREA AREACACRES) = SUMMED AREA (ACRES) = ~:.;. i}O E::;UE:(.1 Fi:[J=l F~UNDFF (CFS) .... 6.10 TOTAL HUNoFF(CFS) - END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .30 HALFSTREET FLOODWIDTHCF~ET) -8.54 FLOW VELOCITY(FEET/SEC.) = 5.49 DEPTH·w·VEi.. .. DC I TV::::: ********************************~******************************************* FLOW PROCESS FROM NODE t3:L • (lO TO I\IDDE »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>U8ING USER-SPECIFIED PIPESIZE««< ~====~========================~=========================================~=== DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.1 UP(:3TRE:(~I''''1 l\I[JDE E::!....r::~\·){·~T I Ot'.1 ::::: 2~:5'::;. <)0 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 30.00 MANNINGS 1\1 = ,,013 GIVEN PIPE DIAMETER CINCH) ~ :L8.00 NUMBER DF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) -9.30 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 11.69 **************************************************************************** FLOW PROCESS FnOM NODE 81.00 TO NODE 82.00 IS CODE ~ 1 e" .... :~ ~;: ~~~: ;~; ~~ ~ ~~. ~~ ;~ ;:~~ ~~ ~~'-~. ~~; ~~ ~~;.;,~ ~~.~ ~; ~;, ;:~; ::;. .... ;.; ::~: ;:~ ~;~ ;~ ~:~ ... ~~ ;~~ ~~~ '" ~ ~ ~~ ;~~ ;= ~ ~ ;:~ ;~; ~~ :~~ :~ :;~ ::;~ :;~ ... -~ ..................................... "" .-...... ~ "','-.. -.... _ ... . ===========~================================================================ CDNFLUENCE VALUES USED FDR INDEPENDENT STREAM 2 ARE~ 'r I 1\'1E [JF' C~(]t···.1C~E::t\ITRA 'r I (]I'J (1'1 I t'·~I)·tE:t;) ::::: it II f::.cl RAINFALL LNTENSITY (INCH./HDUR) = 2.74 TOTAL STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFFCCFS) 0T CO~FLUENCE = 9.30 • • • *******************************************************************~******** FLOW PROCESS FROM NODE f.3~:.i. 00 TD NClDE:: E6. 0(' E; CClDE ::::: =~==========================~============================~==========~====~== ::30IL CL.'('~Sf.3IFICnTION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 344.00 DOWNSTREAM ELEVATION = 342.00 ELEVATION DIFFERENCE = 2.00 W~B(:1N l3I..JBAF~E('·~ Oi)t=J~L(.1ND T I t"'lE or: r:'UJllJ (t'-1I HUTES) --B. :?']\? 10 YEAR RAINFALL INTENSITYtINCH/HOUR) = 3.420 SUBAREA RUNOFF(CFS) - TOTAL AREACACRES) = .20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PRDCESS FRClM NClDE f.36.00 TO NOD[ E:7.00 IB CODE:: :::: -----------------~--------------------------------------------------~-------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ::-.::= :::::;: ::;: ::::: ::::: !~:: ::::::.~ ::::: ::::: ::::: :.::::. :.'!:: = :::::::::: :::~::= !::::::.::: :::: :::::. ::::: :::!: ::::: =.::::::::: :::::::::: :::::::::: ::::::::::.::: ::.:::::::' ::::: ::::::-.: ::-.:: :::.:: :::::"=:::::::::::: ::::: :::::.::: :-.:::.:::::::::::::::::: ::::::;: :;:::::::: :::::::::: ::::: ::::::::::::::::: ::::::::::::: :::::::.":: :;:::;:: ::.:::. UPSTREAM ELEVATION = 342.00 DOWNSTR~AM ELEVATION = 269.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = &. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF.= 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -2.52 STREET FLOWDEPTH(FEET) = .20 HALFSTREET FLOODWlbTHCFEET) = 3.57 AVERAGE FLOW VELOCITY(FEET/SEC.) -5.13 PRODUCT OF DEPTH&VELOCITY = 1.01 STREE1FLOW TRAVELTIME(MIN) = 2.92 TC(MIN) = 11.22 10 YEAR RAINFALL INTENSITY(INCH/HOUR) ~ 2.816 FlO II.... CI._{:~~3SIFIC{~lTIUt:~ :(S I'D'I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICltNT = .5500 SUBAREA AREA (ACRES) = 2.80 SUBAREA RUNOFF (CFS) -4.34 SUMMED AREA(ACRES) = 3.00 TOTAL RUNOFF (CFS) -4.71 END OF SUBAREA STREET FLOW HYDRAULICS; DEF="T"H (FEF':T)::::: • 2~:; !···!(il....F"E;THEE-!· Fl....C)CiDI;~ I D·TI···! (FEET) ..... f..: ... O~:.; FLD1,.oJ \iEL..DC I T'-{ (FEET ;' ~:3EC.) :.::. 4 u t:36 DE::PTi·-I·*'··./E::I....ClC I TY ::::: :I. • ·:::0 *********************»****************************************************** FLOW PROCESS FROM NODE B7.00 TO NDDE .......... ~ .......... -........................... -................ _ ....... _ ........... -........ _ ............. -............................ -... -........ "'1"'" ............. -.................... _ ............................. ~ .... -..... -.. ~ .......... -_. -_. -.-.. -...... --....... -.. _ ........... --.. -..... _ •• _ ............. , .. -............. - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ~==============~~~==================~======~~======~==============~========~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.7 INCHES PIPEFLOW VELDCITY(FEET!SEC.) = 13.0 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM N00E ELEVATIClN = . 25B.OO FLDWLENGTH(FEET) = 100.00 MANNINGS N = ~013 G I \.,,1 EN PIPE D I nt"1ETEH ( II\ICI--I·)::::: :l B • 00 I\H.JI·1BEF~ OF P I FEB .. _. PIPEFLOW THRU SUBAREA (CFS) -4.71 TRAVEL TIME(MIN.) = .13 TC(MIN.) = 11.35 **************************************************************************** FLbw PROCESS FRDM NODE (37. 00 TO hlDDE 82.00 IS CODE :::: :1. -----~-----------------------------------------------------------------------»»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :> >-> >::: Pl!\fD CDr'IF-l.ITE \){·~F~ I Dl)B CDI···.IFLI . ..!Fl'·ICED !?.lTHEt~t-'! V{~I....!..JEE< -::: <: <: <: :::::..!::~ :::= ::::: :::: ::::: ::::. ::::: :::: ;:::' :::::. ::::! ::::: ::::: ;-::: :::.: io!!: ::::: ::::: ::'~':,::::: ::*.:: ::::: ::;:: :::::,~~:: :-.::: :.:::: ::::: ::;;: ;::;:1. ::;.: '::1: : .. ~ .::::. :-.::-::;:: :::.~ ::::: :m: ::::..:::; ::::: ::.-:: :::: ::-~-: :::: :::: ::::::;:: o;:::::-.. ~ .. :._. -........... -... -..... .,;. ........... -........ -~.-... --- • • • TIME OF CoNCENTRAlION(MINUlES) = 11.35 nn I j ... .!f::-{:')LL I HlEj\IG I TY (INCI-·!. / !·-IDUF{) :::: :2 • B() TOT~L EITREAM AREA (ACRES) = 3.00 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 4.71 CDI\IFLt..lEj\ICE I NFORI"I(i T I oj\1 ~ STREAM RUNOFF TlME INTENSITY t···.ILH"t1:::EP (Cr-S) (1"1 I 1\1.) ( II··IO·I! HOL.If-~:) ---------------------------------------------------------------------------- 1 1. f:.) 1 ~3 :I. :2 n 01 r-. (~:,cl'~5 . .:::: n ~I~~ r:; . ";r (0) •••• r '_' :I. i . l:/::;' :~~ . ·7l.l~::: .,," 4. ~7 1 1. 1 ~$~S :":1 '::·::'i5 -. .... 1 . .1:' • . I:;:('~ I I"'IF ('·~LI._ ... -I hlTENB I TY '-H('~T 10 CONF'LUEhICE FOnt··1l...ll....tl U~3ED FDr;: ::; S"T'PI::(:11'1~::) \.jAr:;: I DU~3 CONFLUr:::NCED Ht..'NDFF 1,l?H .. _Ur:::E3 Am::: ('·~3 r'ClLLm'JS: 2~7t 1144· Cot"IF'UTED CfJNFLUEI\ICE EE;'r I 1'·I('·)TEE"3 f.1RE:: I'"-'It") FOLLClI,\JS ~ RUNOFFCCFS) = 29.86 TIMECMINUTES) -12.006 TOTAL AREA (ACRES) = 19.80 *************************************************************~************** ::3f3.00 IS CD DE '"" L!. -------------------------------------------------~--------------------------»»>COMPUTE PIPEFLOW TRAVELTlME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =====================================================~=~=======~~============ . DEPTH OF FLOW IN 36.0 INCH PIPE IS 11.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.7 UPST"F~E{~I':I j .. IUDE ELEV('·) T I ON =:: :?!5E::. (/I:) DOWNSTREAM NODE ELEVATION = 243.00 FLUWLENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETEn(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW fHRU SUBAREA{CFS) -29.86 TRAVEL TIME(MIN.) = .40 TC(MIN.) = 12.40 -:~-~ll' ~ll-':i'i!' ':1' ·;i· ~'!-';l-0t .:.t-,'i--ii· 0t. * oj!. "~. -li' :J!-,~-'1l' -l'!' ,J(--li' ,~. -ll-·il· :Ii· :fr.. 1!' .:~. -l!-,* ,~-.~. ,'I, -l'!' -%--ll-:i!-,'i, oll· -l'!' ,~-:1(' 'ri.' -l'!' .*. ~~. 1!' .;~. ~,!, ,~-,* .;~. -t! .. ;"(-.~. "ri.' ~!. ,~. -1l' -li· ·il· -li··-t!· ·ii· ·i~ -)!. ,* "* -)1.' ~-* ·i!· ,1, FLOW PROCESS FROM NODE 82.00 TO NODE 88.00 IS CODE = .1 -------------------------------------------------------------------------~-- »»>DESIGNATE INDEPENDENT STREAM Fon CONFLUENCE««< :::: :::: =:: ::::: :::: ::::: :::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ;::::. :::::::::::::: ::::::::: ::::: ::::: ::::: :::: ::::: ::::: ::::::::: ;:::: ::::: ::::: :::: ~:: ::::: ::-.:: ::::: ::::: ;OM"!: :::: :OJ:: :::::::::: :-.::: :::: :::::::::: ::::: ::::: ::::: ::::: :::: :::: :::::::::: ::::: ::::: ::;:: .::::: :::::::::: ::;:: :::.:: ::'-::":"N'::=.:: ::::: ::::::::: ::::: :::;;::::: CONFLUENCE VALUES USED FOR INDEPENDENT BTREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 12.40 Ft:('~II\IF·-t~L..L Ih!TEhISIrY (INCH. /I·-IDLJFD:= 2.64 TOTAL STREAM AREA (ACRES) = 19.80 TDT{~!.... f:nF~E{:lr!1 I~UNOFF (CFEi) (..Yf CONFL..UE:I\!CE ~,: 29.86 FLOW PROCESS FRDM NODE ::3':;>. 00 TU hlDDE '::;'0. 00 I a CODE :::: -----_. __ ._------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==================================================================~========= SOIl.... C:13r3~3IFIC('')TIDhl H3 liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-LENGTH(FEET) -100.00 t..!Pf3Tf~EfWI FLEW')T ICn··.1 =. 29£1·.00 DOWNSTREAM ELEVATION = 272.00 E~EVATION DIFFERENCE = 2.00 URBAN SUBAHEA OVERLAND TIME OF FLDW(MINUTES) -8.299 10 YEAR RAINFALL INTENSITY(INCH/HDUR) = 3.420 SUBAREA RUNOFFCCFS) -.38 "I ::::;~3 • ************************~**************************~*********~************** 90. 00 TO t··,10 m:: 91 • 00 I ~::; CODE ::::: =====================================================~===============~~====== . UPf:3TREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 277.00 STREET lENGTHCFEET) = 900.00 CURB HEIGTH(INCHES) = 6. f:3TREET HALFWIDTH(FEET) = 28.00 STREET CROSSFAllCDECIMAl) -.0200 SPECIFIED NUMBER OF HAlFSTREETS CARRYING RUNOFF = 2 ';1:·;~TF:(~'·)El....TII'iIE C;Ot·1PUTED U~3ING ME(':)N FLOI".J (CF!::3) ._-4" 64 ~::;TPEET F;"I....ClI,',lDEF'TI··1 (Fr.::ET) :::" . ~50 HALFSTREET FLOOD~IDTH(FEET) = 8.54 AVERAGE FlClW VElOCITYCFEET/SEC.) -2.74 PRODUCT OF DEPTH&VElOCITY = STREETFlOW TRAVElTIMECMIN) = 5.47 11 t3:l TCCMIN) ~ 13.77 10 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.467 £:;0 I L CLr.:',Elb I F J: [;(:1T I ON IS; "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACREb) = 6.30 bUB AREA RUNOFFCCFS) -8.55 ~:3Ll\"""il·'1E:'D ()nE:t~ ((-lCRES) ::: I::;, • ~SO T(Jr i-ll_ HUNClFF: (eFS) ..... t3. 72 END CW· 2;LII:::(inE:J) ~nHf.:::ETFL..m'J f-IYDF-~:(lUL. I CS ~ DEPTH (FEET) = .36 HAlFSTREET FLOODWIDTH(FEET) -11.85 FL..CII ... ,.! \/E] .. .ClC I TY (FEET ISEC.) :::: 2 u 9~'::; DEPTH-i\·I)El .. OC I TY ::"": :I. • 0.:':) **************************************************************************** FLOW PROCESS FROM NODE -=t·/.oo IB CODE :::: ---------------------------------------------------~----------------~------- »»~COMPUtE PIPEFlOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< • :::: ==;;;~ ~~ ~~ ~~ ;:: ~~;~:";'~ ~:: ~~; ~~~:;:;~ == =";'~ :;~::: ;;:~::;" ~~~; ~~ :::: ;~~ ~~:~: ~~ ~::;: ~;~::: ::::::::;,;,:::~: :::: ~::;~ ~~ ;~~ ~!~~:::: :::: ::::: :::::::: ::::: ::::: ::::: ::::: :::: ::::: :::: ::::: ::::::::: =:: ;::: ~:::::::::: :::;: ::::~:: ::::: :::: ::: PIPEFLOW VElOCITYCFEET!SEC.) = 9.5 UPSTREAM NODE 8_EVATION = 277.00 DOWNSTREAM NODE ELEVATION = 268.00 F·U)!;JLENC3·T H (FEET):::: ~::.OO. (I() t'1{~NI'n N(~f:3 1\\ ::::: .O:l ~::; GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES -1 PI PEFU]V,j THFi:I...J m.JB('·)p[;:~(':\ (CFf:3) ._.. t3" 92 TRAVEL TIMECMIN.) = .52 TC(MIN.) = 14.30 FLOW PROCESS FROM NODE '1'2,,00 TO NODE ---------------------------------------------------------------------------- :.:::. ::::: ::::: ::::.: :::: :~:: ::::-::::: ::::: ::::: ::::: ::::: ::::: !!::: ::!~ ::::: :. .. .:: :::-.: ::!;'; :.-::: !:::: ::.:::-.:: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: :. ... :: :-.:::.::::: :-.::: :::: :-.:::::= !:::: :.::: :.::: :::: ::-..... ::-.:::::: ::.-:: :::.::::::::-.: ::::: :::: ::=::::: ::::: :.:. ... :::: :. .. .:: ::::: :::::.:::: ::::: ::::: :-.::' :::::::::: ::::: :-.:: :::: ::::: :::::-:::.:!::' ::::: ::: ::;:: SOIL CLJ~~mIFIC{~TIDN IS liD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERL..AND TIME OF FLOWCMINUTES) - 10 VEtlR F~I-::~It\IF·f.:ILL II\ITE::hlBI·T"Y (II\ICI···I/\···IClJ...JR: ::::, ::::'u 420 SUBAREA RUNOFFCCFS) -.38 TOTAL AREA (ACREB) = TOTAL RUNOFFCCFS) - *****~********************************************************************** FLOW PROCEf:3f:3 FROM NODE '7'4.00 I;:':; conE :::: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBA~~A««< ===~==============================================~==~====~=============~=== . 2<:;'2.00 DOWNSTREAM tlEVATION = • • • SlREEl HALrWID~~(FEET) = 28.00 STREET CRDSSFALL(DECIMAL) ~ .0200 ~3F'EC I F" I ED r·'·!U!v!Br::::F~ OF HP,I.._F~3TnEFT~3 Ci::)PF~"{ I NC::i F~UNOFF: ::::: :;:: **TRAVELTIMF COMPUTED USING MEAN FLDW(CFS) -4.89 Sl'REET FUJWDEPTHCFEET) = .28 !···!(iL..n::';TF;:EET FL.mICI~'J I DTH (FEE"r) :::: 7. '7:1. AVERAGE FLOW VELOCITY(FEET/SEC.) - PPDDUCT OF DEPTH8-:VEL..DC I TV :0: STREET FLOW TRAVELTIME(MIN) ~ 4.37 TC (t,,! I hi j :::: :1.0 VEAR RAINFALL INTENSITV(INCH/HDUn) ~ 2.603 SDIL CL,0.j~3t3IFICATIoN IS liD" 1 '"\ l -., _ .1!:. II CJ! nIt··!GI....E Ft·,t"IILY DE\lEI....DPt·/!ENT HUI\IOFF CDEFFICIEN'r ::::: .5500 SUBAREA AREA (ACRES) = 6.40 8JBAREA RUNoFF(CFS) = nUMMED AREA (ACRES) = 6.60 TOTAL nUNOFF(CFS) - END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 (:;> II 1(;::. i~ n ~.=,il:l. FLOW VELOCITY(FEET/SEC.) = 3.58 DE:PTH'~VEL(JC I TY ::::: 1 .. 24 **************************************************************************** FLOW PROCESS FROM NODE ('7'7. 00 1 S CODE· :::: ••••• M __ ..................... _ ...................... _H' .. _ ....... _ ....... __ .................. __ ..... _ •• , _ ....................... _ ... _ ............................ M_ ............... _ ........ ~ ............. __ .................... ,. ......................... _ ........ oo .................... ~ ••• ' •• _" ...... M'" _ ............................ "00, ........ .. »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===~======================================================================== DEPTH OF FLOW IN 36.0 INCH PIPE IS 8.4 INCHES PIPEFLOW VELOCITV(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE ELEVATION = 268.00 FLOWLENGTHCFEET) = 60.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES -.1 PI PEFI....OI;'J THf:::U SUr3{~HE?:1 (CrS) --'-]'. ~5!.~ TRAVEL TIMECMIU.) = .13 TC(MIN.) = 12.80 **************************************************************************** FLOW PROCESS FROM NODE '7'4·. (H) TO NODE ~11" 00 IS CODE :::: --------------------------------------------~------------------------------- =========:=~~========~===============~====================================== 10 YEAR RAINFALL INTENSITV(INCH/HDUR) = 2.586 SO I!.... CL..Plf:'f3 I F I Cfi T I Dt\1 I f::; II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SLJDf.:)nEn (iF~EA «(iCHEr:;) .-. /:.; n ~:.o f.:'UF.;:{~nE{·~, F:Ut··,IOFF'( CFf.;) ..... El. ':.~'6 TOTAL AREA (ACRES) -12.90 TOTAL RUNOFF(CFS) = 18.50 TC(MIN) = 12.80 ******************************~********************************************* FLOW PROCESS FROM NODE 97 .. 00 TD t';.1 D DE:: -------_._------------------------------------------------------------------- »»>COMPUTE PIPEFLDW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 36.0 INCH PIPE 18 8 .. 2 INCHES PIPEFLOW VELOCITV(FEET/SEC.) = 15.4 UPSTREAM NODE ELEVATION = 268.00 DO \.tjI\lSTRE{;llvl hlfJDE ELE'··/(.yr I CJl"~::: 24::::;. (I() FLD~'·Jl...ENf.3TH (FEE::n :::: ~:::~jO .. 00 t"I{iNt'H 1,)!3F; 1\1 "0 .01.3:: GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAPEnCCFS) -18.50 TRAVEL TIME(MIN.) = "IT; ( 1'1 I I\!.) :::: :l :~;.. 1 a *********~************************~**~~~~*~********************************* • • • ---------------------------------------------------~------------------.-.----~ >-> >-> >DES I (:3N?71TE I NDEPEI\~DE:I\!T BTF~E(')!··1 [-::DP CO!\!FLUEI\ICE< < < < < ==~=================================================~===~~=====~============ CC:lI\~FLLII:::hICI::~ t·/{-":IL..UE!:3 USED FOf1: I 1\IDEFEI\IDEI'-.IT ~3Tr-i:E(.it·11 ::;:: (.':IF::E ~ TIME OF CONCENTRATION(MINUTES) = 13.18 RAINFALL.. INTENSITY (INCH./HOUR) = 2.54 TOT~L STREAM AREA (ACRES) = 12.90 TOT (~L ;:3TI:~Er-)tll f1:UNDFF (CF~3) f~T CUI'~F·L..UENCE "": 1 E:. 50 **************************************************************************** FLOW PROCESS FROM NODE <15. 00 TO I\IODE ---------------------------------------------~-----------------------------~ >-»»RATIONAl METHOD INITIAL SUBAf1:EA ANALYSIS««< ::::: :::: ::::::::::::: ==:::::::::: :::;::::: :::: ::::::: ::~:: ::::: ::::: ::::: :::: :::::::.":: :::: ::.:: =:: :::: ::::: ::.:: ::;:: !:!!: ::::: =:: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::!: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: :;::: :::: ::::: ::::: ::::~ ::::: ::::: ::::: ::::: ::::: ::::-::::: ::::: ::::: ::::~ ~-:::.::::: ::::: ::::: ::::: ::::: :::: ;::~ ::::: ~;(J I L CLr:·)SS I F I C(~T I ON I S II D II SINGLE FAMILY DEVELOPM~NT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 278.00 ELEVATION DIFFERENCE = 2.00 URX:::n!\~ ~3UB(~RE('\ O\}ERU~I···.m T I I·'IE OF~ FLOI!·.j (1·'1 I I\IUTES) ..... 10 fEAR RAINFALL INTENSITY (INCH!HOUR) = 3.420 SUBAREA RUNOFFCCFS) - TOTAL AREA (ACRES) -.20 TOTAL RUNOFFCCFS) - **************************************************************************** FLOW PROCESS FROM NODE 98.00 IS CUDE = 6 ------------------------------------------------------~----~---------------- »»>COMPUTE STREETFlOW TRAVELTIME THRU SUBAREA««< ====================================~=====~=====================~=========== UPf3TPEt,t-'i ELEV(j·r I ON :::: 27E:l. 00 DO~'.!t--.If.:;TF;:E{.~t--1 F.:::LEVPIT ION ::-": 2"l4. (.Ii) STREET LENGTH (FEET) = 500.00 CUf1:B HEIGTH(INCHES) = 6. :::lTnEI::T HP" ... F~\J I DTH (FEET) ::::: :::B. 00 SlTPEJ'::T CF:Df.:lSF(H .. L. (DEC: I t'·I('·H ... ) ..... .0200 SPECIFIED I\~MBEf1: OF HALF STREETS CARRYING RUNOFF = 2 ';'H{·TH?~\}E:L..T H'IE CCWIPUTED l.lf.3 Hm t'IE(.:.il\1 FLD~\J (CFS) ..... ~;. <) 1 STREEt FLUWDEPTH(FEET) = ;21 HALFSTHEET FlOODWIDTH(FEET) = 4.40 AVERAGE FLOW VELotrTY(FEET/SEC.) -4.83 pnODUCT DF DEPTf·I~<\iEL.,OC I TY ::::: 1 ·Y·:!' !I ...... _t STREETFL..OW TRAVELTIMECMIN) = 1.73 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.028 ::3DIL. CLmmIFICATIDN H3 "D" SINGLE FAMILY DEVEL.OPMENT RUNOFF COEFFICIENT = .5500 SUBAREA Af1:EA(ACRES) = 3.20 SUBAREA RUNOFF (CFS) -5.33 ~:)L!I·'1t'·IED nF~r::('1 (nCHES) ::"": 5. 1.!·O TO·r('~'L nUNOFF (CFS) _.. ~S. 7:1. END DF SUBAREA STf1:EETFLOW HYDRAULICS~ DEPTH(FEET) = .26 HAlFSTREET FlOODWIDTH(FEET) -6.88 FLOW VELOCITY(FEET/BEC.) = 4.82 **************************************************************************** FLOW PROCEBB FROM NODE E:E:. 00 I S CODE :,," ............... __ ... _ .,," .......... _ ............... _ ............... _ ........ __ w ............. _ ....... __ ..... _ ... ____ ... _ ..... _ .......... __ ....... _ ................. _ .. oo ...... __ .......... "'" ....... _ ....... _ ................ -__ ............. "_. _ ... _ ...... _~ .............................................. M .... __ .. '. _ ........ _ .. . >->-:> >->-COI·'·1Pt,JTE PI PEFI....Dl',1 TP('f')EL..T I 1'1E THFi:I..J GUB(.}If;:E(:)-::: < -::: -::: < :>:::-:::-:> >U[:, I 1\1(7; l.Jf3r::::H-·E;PEC I F I ED PI P[G I ZE< -::: -::: <-::: ======~==================================================~===============~== ~EPTH OF FLOW IN 1B.0 INCH PIPE 156.7 ·INCHES PIPEFlOW VELOCITY(FEET/SEC.) = 9.5 UPSTREAM NODE ELEVATIUN = 245.00 DOWNSTREAM NODE ELEVATION = 243.00 FLOl'JL.Ft··I(·n-r-·1 (FEET):::: ::)0. 0(1 I\!!("~NN I 1'-1(:)'3 !···I :::: • (1 1 :~: GIVEN PIPE DIAMETER(INCH) -18.00 NUMBER OF PIPES -1 • lRAVEL TIMECMIN.) -TC(MIN.) = 10.11 9B.00 TU I\IDDE \3::3. 00 I S CODE :::: 1 ----------------------------------------------------------------------------> > > > >DEB I [:)hl(:.1jTE I t'-.!DEFEhIDEI\IT STHE(:,N FOR CC)t\IFLUENCr:::< < < <: < »»>AND COMPUTE ,VARIOUS CONFLUENCED STREAM VALUES««< =======================~=======================~==============~============~ CClNFI...,I..,IEt··,ICE '..,,'nLUEf3 U!::::ED FDn II'.lDEPEI\IDEI\IT E;THEP,t'1 ~::; f·:)f:~E ~ TIME OF CONCENTRATIoNCMINUTES) = 10.11 RAINFALL INTENSITY (INCH.!HOUR) = 3.01 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) nT CONFLUENCE = 5.71 CONFLUENCE INFURMATION~ E:TRE(:il"l F::t..lr\IClFF T I I"IE I NTE::I\IB I TY t\IUI"1BEH (CFS) (nH"~,,) (II\\CH/HDUH) ----------------~-----------~------------------------------~-~-------------- 1 :::~r1 II ,f.~~j 12 . 40 :~~ . (:;)3::'71 ~;:':'! :I. 8 " 50 1 ~::; . :1. C:) I .... : :~: . ~.:;:::::E: ::::-t:::' ... .1 . "1 1 10 , 1 :I. ""t' <.::an t· ") 1 :I. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: lP.48 COI"tPI..JTED CONF1J..JENCE EST I 1'1(:.1jTE:S {:')F~E fY:3 FDI.. .. !....m,ls ~ nUt,-!ClF'F (eFt:::) ,,:: ~:.;~;;::« 6~:5 T I tilE (i"! J.!\IU·TEf.3) -... ],:2. 1.:\·0::::: TOTAL AREACACRES) = 36.10 • +~. -:i' ~~. ~:E' .;t-~\~. ~~ .. ~ .. ~. ~~. ~. ~~. ·M· -:~. ~)~ .. *. -:~. '*, 7~ -1{' -:~ -:'t, -::.~. -:~. ~·i· ~t· "* .. ~«. -:~~ -:1~' -:~ ~ .. ~ .. ji. ~~. ':'i' .~.~ . .;~. -ti· H)~ ~~. ~~. ':i~' -:~ . .;\~ .;i. ~~. -:~ .;~. -:;t. ~~ .. ~(. ':A· ~:t· .~~. ~~. -:~. -:t~' ~. -:* .. !~. ~It ':i~' ~:-~ -:~ .. ~. i~ +~. -1E' ~\i' .j~. "*. ~~. ~~. ':t~'1i' FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 2 • »»>RATIONAL METHOD INITIAL SUBAREA ANALYS1S««< ======~=====~=========================::=====~=============================== SO I I... CL..{:\t33 I F I C(~T I Dhl IS" D II nURAL DEVELOPMENT RUNClFF CoEFFICIE~IT = .4500 t\!A·rUHN .. , 1'J{.YTEI:;:SI .. il::'D NOl'iDC3H(.:lPH T I t''If:::: OF COhICEI-lfRf'yr I DI\I !A.I I TI-·\ 1 () .... ·r'1 I NtJTES f.1DDED ,,:: :l ~::;. 1.1, <7' ( I"! I hIUTES) I NIT:t {:)I..., ::1l..JB{.jIF~E(~ FLOIIJ .. · .. LEI\.ID·I"I·-! C F'EE::"r} _.. ''700 .. 00 UPSTREAM ELEVATION = 425 .. 00 DOWNSTREAM ELEvnTION = 330.00 ELEVATION DIFFEHENCE = <7'5.00 10 YEAR RAINFALL INTENSITY (INCH/HoUR) -2.500 SUBAREA RUNOFF (CFS) -6.30 TOTAL AREA(ACRES) = TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PRClCESS FROM NODE 10:1. .. 00 "1"0 NODE 1 O~~;. O() U3 CODE ::::: ------------------------------------------------~---------------------------»»>CoMPUTE PIPE~LoW TRAVELTIME THRU SU8AREA««< »»>USING USEH-SPECIFIED PIPESIZE««< :::: :::::::: ::::: :OM":" :-.:: :.::: ::::::::::= :::: ::: :::: ::: ==::: ==::-.: :-.:: :::::::::::::::::::-::::::::::::: !"_-:: ::::: :=:: :::::::~ :::.": =-_; ::::: :::!: :::: :::::::~ ::.-.: :::= ::::: ::::: ::::: ::.:: :::-.: ::::: ::::: :::: ::::::::.:::: ::: :::: ::::: ::::"::::::::: ::.: = ::.":: ::.: ::::::::. :::: :. .. ,: ::::: :::: ::::: ::::: :::: :::~: :-= :::: :::::.::::: :::: DEPTH OF FLClW IN 18.0 INCH PIPE IS 8.6 INCHES F'IP,EFLD1l-J 1,;'ELOCITY(F.E::L~T!~3EC:: .. ) " .. ': 7.6 UPSTREAM NODE ELEVATION = 330.00 DOWNSTm~AH NODE ELEVATION = 328.00 FLOW~ENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - PI PEFl...OI"J T I,,·! F::tJ f:ll.JI~{-1PE('~ (CFn) .. -6" :;:;0 THAVEI... TIME(MIN.) = .22 TCCMIN.) = 13 .. 71 :I. • • • 1 o::~;" O() I ~::; CDDE ::::: :I. ::::: ~.::: ::!:: ~::: ::::: ::::: :::: :::-.: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::; ::::: ::::: ::':: ::::: :::-.: ::::: ;:::: :::::,::::: ::::: ::::: ::::: :::: ::::: ::::, ::::: ::::: ::::: ~ ::::: =: ::::: :::::::;:: :::::::::: :::::~:::: :::-.: :.::: :::::":::: ::::.: ::::: ::::: ::::: :::,''': :!."::::::: :::: ::::: ::::: ::::: ::::: :::: ::::: ::!: :::: ::!:::.::: ::::. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CoNCENTRATIoNCMINUTES) = 13.71 RAINFALL INTENSITY (INCH./HOUR) = 2.47 TOTAL STREAM AREA (ACRES) = 5.60 TOTAL STREAM RUNDFFCCFS) AT CONFLUENCE = 6.30 FLOW PROCESS FROM NODE 1 O~:~ • 00 TO NODE :I. 03" 00 I E3 com::; ::::: ------------------------~------------------------------~-----~-------------- =======~================================~==========:===============~======== ~::)O II.... CI....PI~3B I F I C('Yf" I Ot",1 I E) ;; D II f.-3II'-IGLE F·-{~I··lIL··l DEVELOPt"lENT F:;:Ur··IOI=-F CDEF::-FICIE::NT "":: ,,!:;!::500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADD~D = 15.80(MINUTES) INITIAL SUBAREA FLDW-LENGTH(FEET) -700,,00 UPSTREAM ELEVATION = 340,,00 DOWNSTREAM ELEVATION = 328.00 ELEVATION DIFFERENCE = 12,,00 10 YEAR RAINFALL INTENSITYCINCH/HOUR) -2,,258 BI.JB{~FiJ:::(·~ nUI\ICJFF~ (CFf:3 ;, .--2. 2-'l TOTAL AREACACRES) = t. no TOTAL RUNOFF(CFS) - **************************************************************************** FLOW PROCESS FROM NODE 102.00 TO NODE 1 o:~:. • 00 I f3 CODE ::: 1. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :> :> > > >(:~I\!D CDI'-'IF'LJTE V{~F:: I my; C(Jt,IFL.UEJ.!CT::D 3TPC:r-ll"'\ \,'f~~L.UE.~~S< -< <: <-::: ::::: ::::: ::.::-::::: :::: :;::: ::::: :. .. ..:: ::::: ::::: ::::: ::::: =:: ::::! ~"':;: ::::: ;:::: ::::: :::: ::::: ::::: :::-.: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::"'; ::::: :;;'.! ::::: :::: ::;::::::: ::::: :;;;: ::::: ::::: :::": :::-: ::::: ::::::::: ::::: :::::-::::: ::::: :::: =:: =:: ::::; ::::: ::::: .:::: !::::.::::: :::;; ::::: ::::: =::: ::::: ::::: :::: :::;: ::::: ::::: ::::: ::::: :::::::::: C(Jh!FlJ,JEJ)CE i..)(:iI..JJEB USED Fori: I NDEFEI'·.IDENT EnTi:i~::nt'''1 :7::: ('~F~:E:: TIt-'IE:: OF C::DNCEt\ITFu~Tlm,1 UH.I\!UTEG) :::: 1~5. ::::;0 RAINFALL INTENSITY (INCH.!HDUR) = 2.26 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2,,24 CONFLUENCE INFORMATION: STnEAM RUNOFF tIME INTENSITY 1\lut';IBEn (CFt;) (t,.! I t\I.) ( I t\ICI···I! H()UF~) -----------------------------------------------~---------------------------- 1 6 . 30 1 :3 . ')": 1 ~~~: . 471.1· :':~ :~ . 2·1· 1'"': , ...J • 130 ~~:: . ::~::5~:::: FUUNF{)L .. L-···INTE:}·mIT'{-···F:{YTID CONFLUEJ··.ICE FOm'1I..JI ... .(1 USEDFGF:: 2 STnE{~r'l:::; t-/{~F\ I DlY:3 CDI\IFI..JJEhICED nUhlDFF VAl..J..JE-:~:3 {'1HI::: {~~3 F(JI..J._Dl'm ~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 8.34 TIME(MINUTES) -13.714 TOTAL AREACACRES) = 7.40 **************************************************************************** 104. ()O IE ccmE:. ::::: > > >:> :::'CCI!"'IPLJTE P I F'EFLCJ~'J n~r.:it./[::LT I /'"1E: IT·IRI..J ~3UB{:lF1:Ef..~< <: <: <:.::: »»>USJNG USER-SPECIFIED PIPESIZE««< =========================================~==========================~======= DF~F'Tf'l OF FLDI,') I N :~::4. 0 I t\1 C 1···1 PI F'F IS n" 0 I NCHf::'~3 PIF~FlOW VELrn:ITY(FEET/~EC.) = 9.] UPSTREAM NQDE ELEVATION = • • • i,,:I....LJi;·.iL.J::.i'.!I::) I H (FTT: r i:": 7~50, ()O iV!{'":ji'..;r··.i II\IC3~3 1""/ :::: " 0.1.3 GIVEN PIPE DIAMETER(INCH) ~ 24.00 NUM8ER OF PIPES -1 PIPEFLOW THRU SU8AREA(CFS) -8.34 TRAVEL TIME(MIN.) = 1 '-::"7 • u .... 1 ~ **************************************************************************** FLOW PROCESS FROM NODE :L 04. 00 I ~:3 CODE :::: :I. -------_._-------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««~ ::::: ::::: :::: ::~:: :-::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: =.: ::::; ~:: ::::: :-:::: ::::: ::::: :::: ::::: :;::: ::::: :-::: ::::: ::-.: :::: :::: ::::: :::::.::::: ':::: ::::: ::::: :".::: :::: ::::: ::::: ::::: :::: ::::: :;::: ::::: :::: ::::: ::::: :;::: !:::: ::::: ::':: :::::::::: :::.::;:=!: ::-.:: ::::-: :.-.:: ::::: :::::::: ::::: ::::: ::::: :::: :::: ::::: ::-:: ::::::::: :::: ::::::::: i'::: COhIFL.UE:=J'ICE:: l';(~L..I.JES UE;ED FOR INDE:Pf:'=~NDEt\IT ::nnr:::{:H'1 1 (~I:~E ~ TIME OF CONCENTRATIONCMINUTES) = 15.08 RAINFALL INTENSITY (INCH./HDUR) = 2.33 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL Sl'REAM RUNOFFCCFS) AT CONFLUENCE = 8.34 **************************************************************************** FLOW PROCEss FROM NODE iUS.!)O TO NODE 106.00 IS CDDE ::: ::::: ::::: ::::: ::::: ::".:: ::::: :;::::::: :-~:: ;::: ::::: ::;:;::::: :::::::::::::: :::: ::::::,;:.: ::."!! ::::: :;;:: ::::: :::: :::: ::::: :::: ::-.!! ::::: ::::: :::: ::: :::: ::-.; ::::: ;oM-': :::: ::-.:: :::::::-.: :::: ::: ::::: ::::: ::::: ::::: :-_":: ::::: ::::: ::-.::::.::.: :::: ::: ::::: :::: ::::: ::::: ::-.: ::::: ::::: ;:= ::-.:: ::::: :::;: ::::: ;:::: ~:::: ::::: ::' .. "': =.-:-,:: ::::::.:::::: :::: =.: ~3[1 I L CU):3f3 I F' I C(:~T I m··~ IS 11 D II ~:) I NC:ilE F ("\d"l I L.. Y DE'-./EI ... OPt·'IENT HUNCJFF C:.OEFF I C lENT :::: . ~moo INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = ~12.00 DOWNSTREAM ELEVATION = ~::; 1 C~ II O() ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 10 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.420 SUBAREA RUNOFF (CFS) - TOTAL AREACACRES) = .20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 106.00 TO NODE 107. 00 I ::~ CDDE: ::::: »»>COMPUTE STREETFLDW TRAVELTIME THRU SU8AREA««< ::=: ::::; ::::::::::::::::::: :::..-: ::::: ::::: ::":: ::::: ::::::::::::::::::::: =::::::::::::: :::::::: :::::::: ::::::::: ::: ::::::::: :::.-: ::::: ::::: =: ::::: :-::: ::::: ::::: :::::::::: :::::::::: :::: :"w":. ::::::::: :::::=: ::::::::::::::::::: :::: ::-.::::::::. :::::::: ::.:: == ~:::. ::::::::::::::::.:::: :::::::: ::';'!:.'':~ ~:.::.::"': :::'': '=.. ::::-. ::: ~::.:: UF'[rrHEPlt'I ELEt./fyf" Holt",1 :::: ~51 (). 00 DOI;JNElTREf.:l!··ll EL..E\,l(~i""r Hm:::: :;;;07. 00 STREET L.ENG1~(FEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAl) -.0260 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF ~ 2 .j! . .,.!. TR(.·~\}EL.. T I filE CClt"IPUTED LJf~ I t'-.IG I'IE(,":,N F~L.()v,J (CFt)) .... I.l. ~57' STREET FlOWDEPTHCFEET) = .36 H(jI .... F:·f.lTF~EET· FL.ODD!.'~ 1: DTH (FEET) :::: 11. tl~:i (~VEI::;:(=~DE F1.... DtL.j VE::LDC IT\"' (FEET / f3EC.)::: 1.50 PHD DUCT OF DEPtH&VELOCITY = .55 STREETFLDW TRAVElTIME(MIN) = 9.99 TCCMIN) = 18.29 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.055 f:3DIL. CL(',:3t::J I F I C(.YfI DN H3 "D" SINGLE FAMILY DEVEL.OPMENT 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~ DEPTHCFEET) = .43 HALFSTREET FlOODWIDTH(A~ET) -15.16 FLOW VELOCITY(FEET/SEC.) = 1.76 DEPTH*VElOCITY = "7 l n i <:::. *~************************************************************************** FLDW PROCESS FRDM NODE 107.00 TO NODE :1. 0 [.1-. 00 I ~:3 CCJDE :::: ,q. • • • =========~==========~===:=========~==~====:=========::~========~=~=========== DEPTH O~ FLOW IN 18.0 INCH PIPE IS 10.9 INCHES PIPEFLOW VELOCITYCFEET/5EC.) = 7.6 UPSTREAM NODE ELEVATION = 307.00 DOL\Jr\rl3'rF'~FPlr' "···JODE ELEV(':)T I CJI'\j ::::: 2:;()6" 00 F·L.D\I~LE1\!F::;TH <. FEET} ":60. 00 !··'l(.~t\!N I.NC3S h!"" . 0 1 ::::. GIVEN PIPE DIAMETER CINCH' = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -8.51 TRAVEL TIMECMIN.' = .13 TC(MIN.' = 18,,42 1. **************************************************************************** FLOW PROCESS FROM NODE 107.00 TO NODE 1 ----------------------------------------------------------~-----------------»»>DESIGNATE INDEPENDE~IT STREAM FOR CONFLUENCE««< =================~================================~========================= CONrLUENCE VALUES USED FOR INDEPENDENT StREAM 2 ARE~ TIME OF CoNCENTRATIoNCMINUTES) = 18.42 RAINFALL INTENSITY (INCK./HOUR) = 2.05 TOTAL STREAM AREAtACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.51 **************************************************************************** FLOW PROCESS FROM NODE 1 OB" 0(1 TO !'-.!ODE 1 qC?" 00 I S CODE ~:~ ------------------------~-------------------------------~-------~----------- ===========================================~=======================~==~===== E.O I L ct..rISE}I F I C(~IT I D[\I I f~ " D " SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = I hi I T I ;:~d.... E)LH:3AF~[f:"1 FLO[J·J-L..E::NGTH (FEET) ..... 100. 00 UPSTREAM ELEVATION = 313.00 DOWNSTREAM ELEVATICJN = ELE!.jf~ T IOI\! D I F·FEI=i:E:I'.~C[:: :::: :5:1.1.00 .~5!.::SOO UPE;:(.."lN GUE:{~PE{) D'v'Ef:~L(::l'\m T I,'!E OF FLClI,.! (1"1 n··It.rrE~3) ..... 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SUBAREA RUNOFFCCFS) - TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) - FLOW PROCESS FROM NODE 109.00 TO NODE 104. 00 IS~ CDDE :~: ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ::::: :::: :::: ::::: :::: ::::: ::::: ;:;: :::: ::::: ::::: :::::: ::::: ::-.:: ::::: :::: ::::: ::::::::::::: ;-::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::;:: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::::::.-: ::::: ::::: :::::::::: ::::: ::::: ::::: ::::: ::::: ::.::-::::: ::::: ::::: ::::: ::::: ::::: :::: ::::: :'.::: ::::: ::'.::7.::: ::::: ~:~ :-.:!:>;::: ::::: :::: :::!:-:::: :::!: :::..:::: ;::: ::::: =:~: UP~3TF~E(~I'/1 EI...!:::I) (:IT I ON ::::: ~::'1. 1. • Or) DD~\J!\.'::::.Tr;:E{i!··'1 EL..El·/t.T I Ol\! :.::::::;:06.00 STREET lENGTHtFEET) = 550.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = Z ·9:-lt·TRA'v'EL..T 11"11::: COt-1F'UTED 1...1:3 I ,···m 1\'IE?iN FLO!;·) (CFm ... -1 " 1. '7 STREET FLDWDEPTH(FEET) = .23 I"!(:~ILFSTREET FI....DDD~J I DTH (F::-EET) ::: AVERAGE FLOW VELOCITV(FEET/SEC.) -1.50 PRODUCT OF DE~TH&VELoCITY = .35 6TREETFLOW TRAVELTIM~(MIN) = 6.11 TC(MIN) = 14.41 10 YE{ir~ R?~Ir'.IF{~L..L I'\!TEI\I~:3ITY (Il\!CH/HOUR) :::~ 2. :2::9.S so I 1.... CL.t\~3~:; I F:' I Cf.'1 T I DI····' ! B "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 1.20 SUBAREA RUNoFFCCFS) - SU~MED AREA (ACRES) = 1.40 TOTAL RUNOFF(CFS) - END OF ~3UDAF:E:ti STF~EETFLDli\J HYDRr.=iI..JL I CB ~ DEF'TH(FEET) = .26 HALFSTREET FLDODWIDTH(FEET) - FLOW VELOCITY~FEET;SEC.) -1.65 DEPTH*VELOCITY = i ... , J .J. It 'i'r CJ • • • *******************************************************~**********~********* FLOW PROCESS FROM NODE »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««( ::.-:>:>:> >{~it'!D c: cn·:!ptJTE \J?}IF~ I DUS CCit'·.IFLU[]···.ICED ~:;-f'f:;:E{:1t"1 ')('·1U...!E~::;< -< <: -::: <: ~=========================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TIME OF CONCENTRATIONCMINUTES) = 14.41 RAINFALL INTENSITY (INCH./HOUR): 2.40 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 1.96 CONFLUENCE INFORMATION~ STREAM RUNOFF TIME INTENSITY t\IUI"IBr::r:: (CF'S ) (1"1 I hi.) (I NCH / HUUR) :I. " c; " ::5i1' l r.: , .. I u 08 2u :~:;:2:~:i ~1~:~ .:) ~5 1 :I. f:j II 42 ("", (iLl;:::; r:..1 n .:::: u ~:: 1 . t;.lt::1 1 l-l " 41 ."~ .1::'11 ::::; Cjt (-::,1 HA I l'-IF·{.)!....l... .. : .. I NT ENG I TY· .. ·f~:P.1T I c) CDt···.IFI....tJEI\ICE Ff.'JHti!U/....f.7i UEE:D FDR :::; 3Tn[~~nl""1!3 VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLqWS~ 17 II '7~:: COl" iPUTE:'D CDNFL..I...JENCE EBT I t'1t~ TE:f:3 PIRE (~~3 F·Dl....I....DlJ·Jf.3:: RUNOFFCCFS) = 17.73 TIMECMINUTES) = 15.085 lOTAL AREACACRES) = 16 .. 20 :==:======================~==================================~========~===== END DF RATIDNAL.. METHDD ANAL..YSIS 1 I 50· YERR· CITY OF CARLSBAD CARLSBAD HIGHLANDS HYDROLOGY STUDY 50-YEAR '.~ . '.~ HYDROLOGY STUDY • " : ;~ '.' :. VI/.O. 270 -11-0 .". ( •. INTENS IT¥ -D~RI\T{.ES! GN CHART lC'~' .-;-~. -'r.-r.Trtr I .L-Fa/< ... '::;0 y,R. ~/VRH-___ . __________ --.::1"" ·1·.·· 'J'I;! 1;' mnu,'l.J;·i''''iltrrhua.Hu.h.nrr.:: .• , .11.1~.ILI .... fi.lrt;rlriiir· D·· A·· ~~ . = ~~:; J:I:~.: ,. ~ Equation: I .:= 7.44 P O' -.645 I lrectlons for nppl1catlon: 1. .~I ~:b~:'::' . 1 . 6 : 1) From precipitation' maps determine 6 hr. and . I~~~'" -." Ml1m I II Intensity (In./Hr.)· 24 hr. amounts for the sel ected frequency. 6, •. -I";-}-'il~ 1m11:' .1\ ~r ':1 ..,. These maps are'printed in the County Hydrology So _t:~I~.I. II ~.-.I.III U!:tt" P6 6 Hr. Precl.pl.taho~ (In.), r.1an~al (10,50 and 100 yr. maps included in the ~I ~.8..I. I ,:I'~'1'tsl:dli:h'·: o· _ 0 t' (l.{' ) 11 Deslgn and Procedure ~1anual) • . l~~ I iii 'i-l! n-t I U ,'I . I.. • -U!~ ~on lY In. ~ I.! II,' .r Ii ~rf~f~: I 1"1 If I filii -. :--J. ~ .. : J: :,T"I.li I . .-"Iii! p!=' that 1 t is \'1i th~ 11 • the ,range of 45% t~ 65% of 30.1-·~,,·_1'1'1':l.·.+tl ~llflJ!S ;~i~'h~ 1 IKtHq ~'I±~:~:t:ft~ IJ~\ j.~f:14!t the 24 hr. preClpltatl0n. (t{ot nrrhcable 'I-LH .. ·II.ILI!l~!li'I.~1 l!tHfldl~I~.o.:,1I1 :::~.::·7j:.J:~f.,tlll·lrI!l!1 to Desert) . -1'" r.., ,rl !III I~ I, I 'I 117'4 ~ + .-~:I-1+_1 ~-r'T .:..~. I' ' .. '1; I I 'I I qll~'-':" -',' .... j·djll'.,.I., C'\ g .... I-__ -I' ·tillU· !I:I.' ;11, If II ~lLrl:'\')JJ: l!iitf4~Wli~~." ·lr~J Ji};'l~~ rnrl ~ of the chart. ,. ~H..I 1 'I Ilfll IllilK..!·lh~~ ".r~~·.!~·'l...1"~~ ·\-1 1]}jI11i ""1 .~ =i:.·.Mi:t'+·11':·11!1ilH!ii:·lI·PI·~tl{\:'I.I'~I·;'!;~h~OO'ii·· ··:J':':I;"~~·~~it! !h1!~;';'1! ~ \4) . Ora\,1 a l1~e through the point parallel to the lU. --,W·-I'KrI. '"1 1 ~I:' !!llll;rt#!. II, ~'It-II tm!1/.N.,N·'}lli" !~.: i :;! l:':I,~. plotted l1nes. . -5 _. ,"'1 ilK I fli!i!~! ·lIi HII s..ufll~111 1I1'~ I~ I "II~~ !:lili "S. ,~: 1. -~~-i.JJ-.!.l.i) : '1. Ul11ij~j:i:: !11·lliI'~l.! ~!:!:~II' 1I,IThih~:!! M. t5) This line is th~ intensity-durati'on curve for ; .,J'j.L' ~ r. '1 i* Iii! III1 j·htm·lll~I·'~IWll%-~ L~~.! I~-hifi':,':ii~:g ~ the location belng analyzed. ::~ .~ .=j~= ~-~t·.~·,,·· if I 11 '1' ~I~· m' !. ~·II. 1111·I·i~l;:d-:l:TiJ-I·.i :-Qi10li:·:~';45.os ~ . c ... r~ r:-u ... •• '. :t :~ . . ~ ...... at ~,--f-"I ..,.-~ . ··!lr4. to , •• . '(11 .... • ... . I . 01:1 ~-I II trill' .. ,' ... 4 0 ... • Application Form' +.J .s . ..:....:.~ .... >--.. : :. '.. " . '''*'II~: :., ..... ( .. :,L,I'l!I.:';·II.· ::s ' • s:: .. '. r t t ' -H-U·· '"'tl' L. rl' 'f ,,, ·3 5 n I. . .-= "'1 .: ,':':. :'.':' .. '. ". : rt-III 1'1 ~ -< . If': r , '·j.IJi-k' ! ~ I' ':HI • ~ 0) Sel ected Frequency' 50 yr. --. --';'-' . . lIN \1_ D....... I I li I '·1 \'. 3 a !It -.... .. 1 '-r--I~~ _.....,. t-,-· . ... '" '.... .---.-.... /"1 I' i;. 'II ••• :,! ....., * I-I .... .... .... ~ I . --I-··'N.J!.\.I I 1 1;\'11' I 1) P °4 i P A P ..?O tJI* , .. :: ... ::. ':', .:. , :" ::'::~~:LL~.i.L l·h.'~.~:; ,"2.5 6 = c;.,. n., 24= q.t?, 6 = U /0 .. . I I' I .. . · I ~ .. :. . ~"7 .. t-.-... ,., rutJ' II i III ~tl -I~ ~~ ~; ~:~~:.~ .:F -. >.; '... . '.: :': ::. .' I.~~ .~~ .~~:;:~~i.fl· ·!I·I1M . , PZ4 .:: :: .:. .::r ..... ~_ :. . '. I, _ . .:". . . 1·=,,= _ . ..;.l ;. ~ ~ '. : :~!~: l~ 2. a : 2) Adj usted, *p = e: '4 in • -... -.. , .... " .... ,! ..... 1-=,:: I:"~o;., . "1+ M~ !'" . 6 ::.1-= :.. .: _ .. -:.:. .' :". . . :' ...... ..: O-'=.:'::~ .......... t· . ~ ts!. =t::::= _:: :'-'.: .' "::'. :. -.. -_ .. ,.... .. ~< :!: 11111.5 3) t = min. . . _ . . . . . :-,--.-1--• .,. . . . II jj c I--I=-.. . . . -. . ...... '.~ -. _. . 1 II j. . . '.' '. ," . _. _ ", ~ 4) I = _._._. _. ~in/hr. : .' .:. --'l.ill 1•0 *NotApplicabletoOesertRegion - --1-1 .... -"[oJ1-. -f-' --- . "-I oS It .1 ~ ~ ~.2 H >< >< H -1-+H-l-+r+H+H I-l~~-+-I-~+I-'+l-f+tt++H 111-I .... r·+ .... I-+-l4-I-I-\-I.:\.l.4- r.ll-"/1-tln1ttl tl1ft tiHt IttlllltlttttHittl It III I 1It1111tl111llt1 .... tl IIII ttttttllltlllllltll ., . APPEND~X XI IV .... A-14 Revised 1/85 I ~ 1015 20 2 3 4 56 30 40 50' 1 Minutes Duration Hours • • =======================~=======~=====~====================================== H?~T I Clhl?\L 1'1ETHDD HYDnDL..OG···{ CCJI\'1PUTEH PHDGn(.·~ll"l p{4CI<r:1GE: Reference: SAN DIEGO COUNTY FLOOD CO~ITROL DISTRICT 1985,1981 HYDnOLOGY MANUAL =======~=================================================================~== «««««««««««««««««««»»»»»»»»»»»j»»»»»»»> (C) Copyright 1982,1986 Advanced Engineering Software [AES] Especially prepared for: HUNSAKER & ASSOCIATES «««««««««««««««««««»»»»»»»»»»»»»»»»»»» **********DESCRIPTION OF RESULTS************************~******************* .J(-C{·~nU3B(~lD H:r GHU~l'mS ._-~.50 'lEAF: 1 .. ·IYDFWU.H3Y STUDY 'F:' **************************************************************************** USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION~ 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENTlYEAR) -50.00 6-HOUR DURATION PRECIPITATION CINCHES) = 2.400 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTSCDECIMAL) TO USE FOR FRICTION SLOPE = .85 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» Advanced Engineering Software [AESJ SE.F' I (")L I\klu I OT::-:O 1 VER. 3.4A RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» ***************************************************************************~ FLOW PROCESS FROM NODE 1.00 TO NDDE 2.00 IS-CODE ::::: »»>RATIDNAL METHOD INITIAL SUBAREA ANALYSIS««< ~ . ------------------------------------------------------------~-------------------------------------------------------------------------------------------SOIL CI....(..)SSIFICf~TION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF CCJEFFICIENT = .5500 I I'll T I ('H.. BUBAF~E("1 FUJ\JJ .. -LENE1TH C FEE:T) ... .1. 00. 00 UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 340.00 ELEVATION DIFFERENCE = 2.00 'URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFFCCFS) -.50 II ::.'il) • • =============================================================~~============= RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT 1985,1981 HYDROLOGY MANUAL -------------------------------------------------------------------------------------------------------------------------------------------------------- «««««««««««««««««««»»»»»»»»»»»»»»»»»»» (C) Copyright 1982,1986 Advanced Engineering Software [AESJ Especially pr~pared for~ HUNSAKER & ASSOCIATES «««««««««««««««««««»»»»»»»»»»»»»»»»»»» . **********DESCRIPTION OF RESULTS***************************~~*************** * CARLSBAD HIGHLANDS -50 YEAR HYDROLOGY STUDY * -:l{. I,I!. O. 27"0---40 .l(- **************************************************************************** ----~-~---------------------------.------------------------------------------ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) -50.00 6-HC.lUF~ . DUF~AT I ON PF~EC I P I TAT I ON (I 1\1 CI-·I [:;:8 ) :::: 2. 400 SPECIFIED MINIMUM PIPE SIZECINCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS (DECIMAL) TO USE FOR FRICTION SLOPE = .85 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» {'~dvancE"!cI Enqim2Ewinq ~3C3~:b'Jat-e [(.·:iEFLI SERIAL No. 107301 VER. 3.4A REL~ASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» ***************************************************************************~ FLOW PROCESS FROM NODE 1.00 TO NODE 2.00 IS CODE :::: ---------------------------------------------------------------------------- »»>RATIONAl METHOD INITIAL SUBAREA AN~lYSIS««< ======================~===================================================== SOIL CU)!::lf.3IFIC('HION 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) -6.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) - TOTAL ARFA(ACRES) = .50 .20 TOTAL RUNOFFCCFS) - I • • ***************************************************************************~ FLOW PROCESS FROM NODE 2.00 TO NODE ~.OO IS CODE = 6 -----------------------------------------------------~-~--------------------»»>CQMPUTE STR~ETFLOW TRAVELTIME THRU SUEAREA««< ============================================================================ UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = 330.00 STREET LENGTH (FEET) = 430.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) ::::: 28.00 STREET CROSSFALL(DECLMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -4.33 STREET FLOWDEPTHCFEET) = .28 HALFSTREET FLObDWIDTH(FEET)::::: 7.71 AVERAGE FLOW VELOCITYCFEET/SEC.) -3.04 PRODUCT OF DEPTH&VELOCITY ::::: .85 STREET FLOW TRAVELTIME(MIN) = TC(MIN) = 10.66 ~50 'y'E{)r.:;: RA I hIF(":)LL I NTEhlB I ry ( II'·.ICH/HOUrn ::::: ~$. 8B 1 E30IL CU~SSIFIC?~TION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) ::::: 3.60 SUBAREA RUNOFF(CFS) -7.68 SUMMED AREA(ACRES) = 3.80 TOTAL RUNOFF(CFS).= 8.19 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .33 HALFSTREET FLOODWIDTH(FEET) ::::: 10.20 FLOW VELOCITY(FEET/SEC.) = 3.54 DEPTH*VELOCITY = 1.17 **************************************************************************** FLOW PROCESS FROM NODE 4.00 TO NODE 5.00 IS COlli~ = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««( ============================:::::===========~===~~~=======:::::===~====~=========~== BOIL CLJ~BBIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -120.00 UPS··I·F~E(.":jt··1 ELE!"t'(':~T IOI\~ = :~~;9~5. 00 DOWNSTREAM ELEVATION ~ 386.00 ELEVATION DIFFERENCE = 9.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.878 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY (INCH!HOUR) = 4.366 SUBAREA RUNOFF(CFB) -.72 TOTAL AREA(ACRES) = .30 TOTAL RUNOFF(CFS) -.72 **************************************************************************** FLOW PROCESS FROM NODE 5.00 TO NODE 6.00 IS CODE = 6 :::-> >:::->COI'1PUTE STF(EETFLOVJ Tn(':~Y'ELT I NE THnU BUB(.iF(E('\< < < < < .================~==============================================~===~=====~== UPSTREAN ELEVATION = 390.00 DOWNSTREAN ELEVATION = 370.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. STREET Hf~LFl4 I DTH (FEET) :::: 28. 00 ~nr-\EET CI:~OSSF (~LL (DEC I t'·1{~L) --• 0:200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -5.53 STREET FLOW DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AY'ERAGE FLOW VELOCITY(FEET/SEC.) -3.88 PRODUCT OF DEPTH&Y'ELOCITY = 1.0~ STREET FLOW TRAY'ELTIME(MIN) = 1.93 TC(MIN) = 10.81 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.846 BOIL CL('~Sf.HFICATioN IS "0" SINGLE FAMILY DEY'ELOPMENT RUNOFF COEFFICIENT = .5500 BUB{~RE("~ ('~F:EA (ACF;:ES) ==' 4-. ~iO sq~lf-W~E{~ RUNOFF (CFE1) :::: (:Y. ~i2 I • • END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .33 HALF STREET FLOODWIDTH(FEET) -10.20 FLOW VELOCITY(FEET/SEC.) -4.42 DEPTH*VELOCITY = 1~46 **************************************************************************** FLOW PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE = 3 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER-ESTIMAT~D PIPESIZE (NON-PRESSURE FLOW)««< ===================================================~===~======~===========~= EST Ii"1ATED PIPE D I A"'1ETER ( INCH) I NCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE. ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 338.00 FLDWLENGTH(FEET) = 360.00 MANNINGS N -.013 ESTIMATED PIPE DIAMETER(INCH) -18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -10.24 TRAVEL TIME(MIN.) = .40 TC(MIN.) = 11.21 **************************************************************************** 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) = 11.21 RAINFALL INTENSITY (INCH./HOUR) = 3.76 TOTAL ST~EAM AREA (ACRES) = 4.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE ~ 10.24 ***************************************************************************~ FLOW PROCESS FROM NODE 7.00 TO NODE 8.00 IS CODE = 2 -------------------------------------------------------------~-----~-------- »»>RATIONAL METHOD lNITIAL SUBAREA ANALYSIS««< ===================~======================================================== SOIL CU:~E)!::)IFIC(.;ITIDN IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-LENGTH(FEET) -120.00 UPSTREAM ELEVATION = 370.00 DOWNSTREAM ELEVATION = 364.00 ELEVATION DIFFERENCE = 6.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -B.648 ·*·Cf..:IUT I ON: SUBARE{.l SLOPE EXCEEDS CClUNTY hlOt·IDGF~APH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.441 SUBAREA RUNOFF (CFS) -.73 TOTAL AREACACRES) = .30 TOTAL RUNOFF (CFS) -..,.'":!" II I ._1 ***************************************************************************~ FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==;::::::::::::::::::::::.::::-.:::::::::.::::::==::-.:==:::::::.":::_:::::::::::::::::::::::::::-.::::::::::-.::::::::::::::=::.-::::::::::::::::::::::::::::::-'::::::::::::::::::::::::::::::::::::-M":.:::::::::::':::'':::::::::-':::::::::::::'-:::'::::::''::::-':::::'::::::::::::::::::::::::::::::::::::::::::=':::'-::::::,::=::::::::::: UPSTREAM ELEVATION = 364.00 DOWNSTREAM ELEVATION = 338.00 STREET lENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) ~ 61 STREET HAlFWIDTH(FEET) = 28.00 STREET CROSSFAlL(DECIMAl) -.02QO SPEC I F I ED NUt'1BER OF H{')LFBTREETSCARRY I NG liUNDFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -5.17 STREET FLOWDEPTH(FEET) = .26 HAlFSTHEET r-"L..ClO"DI/J I DTH (FEtT) ;:',: 6. ti8 I •• • PHODUCT OF DEPTH~NELOC I TY :::"~ STREET FLOW TRAVELTIME(MIN) = 1.53 :I. • 1 ~'5 . TC (·t'IH.D·-10.113 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.999 :30 I L Cl,_(.~SS I F I CAT Im·.1 I SliD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) -8.80 SUMMED AREA (ACRES) = 4.30 TOTAL RUNOFF (CFS) = 9.53 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 FLOW VELOCITY(FEET/SEC.) = 5.62 DEPTH*VELOCITY = 1.67 ***************************************************************************~ FLOW PROCESS FROM NODE 8.00 TO NODE 9. 00 I S CODE :::: ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===========~====================================~=~=~==========~===========::: CONFLUENCE VAL.UES USED FOR H.lDEPENDENT STHE(~t1 2 Ar:~E ~ TIME OF CONCENTRATION (MINUTES) = 10.18 RAINFAL.L INTENSITY (INCH./HOUR) = 4.00 TOTAL STREAM AHEA (ACRES) = 4.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.53 ************************************~**************************************~ FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS COD~ = 2 ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =============================================================~============== SO I L CLJ!fSS I F I C('H HJN I SliD II SINGLE FAMILY DEVELOPMENT RUNOFF CO~FFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -500.00 UPSTREAM ELEVATION = 420.00 DOWNSTHEAM ELEVATION = 365.00 ELEVATION DIFFERENCE = 55.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -19.640 *CAUTION: SUBAREA SLOP~ EXCEEDS COUNTY NOMOGHAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. ~50 ·"{E(..jr;~ nAINF('~LL INTENBITY (nICH/HOUFO :::: 2.616 SUBAREA RUNOFF(CFS) -2.01 TOTAL AREA (ACRES) = 1.40 TOTAL RUNOFF (CFS) -2.01 ·*-·*·K-*·l(-·*·*·lf·l(-·)~-K-·*·*·*,-l(-·***·*·**';:-**·*'*·'*··*·***·*·~:·**·*.y,-·~:·r:·*·***·***·t-':**1::-·**·):'~**·*·r.-****-l(-.**.***--.*.;:-*.:~**-l(-*.* FLOW PROCESS FROM NODE 11.00 TO NODE 9.00 IS cone = 3 ----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< ==============================================~=~===~==============~====~=== ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.7 INCHES PIPtFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 338.00 FLOWLENGTH(FEET) = 550.00 MANNINGS N -.013 ESTIMATED PIPE DIAMETERCINCH) -18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (ctS) -2.01 THAVEL TIME(MIN.) = 1.20 TC(MIN.) -20.~4 1 ; **************************************************************************** FLOW PROCESS FROM NODE 11.00 TO NODE 9.00 IS CODE = 1 ------_._---------------------------------------------------~---------------~ I • • =====~==~=====~======================~====================================~= CONFLUENCE VALUES USED FOR INDEPENDEhlr STREAM 3 ARE~ TIME OF CONCENTRATION (MINUTES) = 20.84 RAINFALL INTENSITY (INCH.!HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -2.01 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CF6) (MIN.) (INCH/HOUR) --------------------------------------------------------------------~------- 1 10.24 11. 21 3. '756 r, ..::. 9.53 10. H3 ~3. (':19(':;' ::::: 2.01 20.84 2.~;18 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 20.54 20.42 14.88 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 20.54 TIME(MINUTES) -l1r212 TOTAL AREA(ACRtS) =' 10.50 **************************************************************************** FLOW PROCESS FROM NODE 12.00 TO NODE 13.00 IS CODE = 2 .. __ ... _ .. _--_ ....... _ .................... _-_ .. --._-... _.-..... _-... _ ................. -.---...... -..... -.-.,;; ..... ---.--.. --........ --.. -~ .. --... -._.-........... -.-_._-_._ ... _._ ..... _. __ ._ .............. -.. _ .. _ .. __ ..... ':'- »»>RATIONAL ~ETHOD INITIAL SUBAREA ANALYSIS««< ================================================================~=========== SOIL CU:~SSIFICATION 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 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.100 SUBAREA RUNOFF(CFS) -.45 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) -.45 ***************************************************************************~ FLOW PROCESS FROM NODE 1 :;;.. 00 TO NODE 1,1.1'" 00 I S CODE ="" »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===================================================~======================== UPSTREAM ELEVATION = 435.00 DOWNSTREAM ELEVATION = 401.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -5.26 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTHCFEET) = 7.7l AVERAGE FLOW VELOCITY(FEET/SEC.) -3.69 PRODUCT OF DEPTH&VELOCITY = 1.04 STREETFLOW TRAVE~rIME(MIN) = 4.52 TC(MIN) = 14.30 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.210 SOIL Cl(.iSSIFIC{'Hlm·l IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAI;:E(-l (.'.)r;:EA (ACF~ES) = 5. 40 E1UB(~r-iEA RUI"~OFF (CF'S) ""= SUMMED AREA (ACRES) = 5.60 TOTAL RUNOFF(CFS) = END OF SUBAREA STREET FlOW HYDRAULICS~ DEPTHCFEET) = .33 HALFSTREET FLOODWIDTHtFEET) = 10.20 FLOW VElOCITY(FEET/SEC.) -4.31 DEPTH*VELOCITY = 1.42 I • • ***************************************************************************~ I FLOW PROCESS FROM NODE 13. 00 TO I\IODE 1Ll·.00 IS CODE ::::: 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===========:::::==:::::====================~====================~=================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATIONCMINUTES) = 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 CdDE::::: 2 ----------------------------------------------------~-----------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========:::::==========================:::::=====~====================~~========== SOIL CU'SSIFICATION H3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 437.00 DOWNSTREAM ELEVATION = 435.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFFCCFS) -.50 TOTAL AREA(ACRES) == TOTAL RUNOFFCCFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 16.00 TO NODE 17.00 IS CODE = 6 »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ================================================================~====~======~ UPSTREAM ELEVATION = 435.00 DOWNSTREAM ELEVATION = 402.00 STREET L~NGTH(FEET) = 1000.00 ~URB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECiFIED NUMBER OF HALFSTREETS CARRYING RUNOF~ = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -7.72 STREET FLOWDEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 AVERAGE FLOW VELOCITYCFEET/SEC.) -3.88 Pf~DDUCT OF DEPTH~.;VELDC I TY :::: 1. • :;~:;Z STREETFLOW TRAVELTIME(MIN) = 4.30 TCCMIN) = 12.60 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.485 SOIL CL..mmIFIC{':)TION IS "1)" f,;INGL.E F{·)t'1ILY DEVEL()Pt1ENT HUNDFF COEFFICIENT = .~5500 SUBAREA AREA(ACRES) = 7.40 SUBAREA RUNOFF (CFS) -14.18 SUMM~D AREA (ACRES) = 7.60 TOTAL RUNOFF(CFS) -14.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODWIDTH(FEET~ -11.85 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 TRAVELTIME THRU SUBAREA««< ~»»USING USER-SPECIFIED PIPESIZE««< =:::::::::::::::::.,:::::=":::==::~'::::::::~'::::::::~===::::":::::::~':::".:::=:=:==:::=".:::="":"::::::::::::::::::::::=::::~'!!:""=::::=:::::::::::::::::::::::=:::::::::::::::::::::::::::::::::::·':::~':==::::::::~:::::F'::::::::::=:::::::::=C":::::::::::. DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 8.8 UPS rm':::?'1t"1 NODE FLEW)"!' I m·1 :::~ ·(.j·02. 00 DOWNS1'REAM NODE ELEVATION = 401.00 I • • GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA (CFS) - TRAVEL TIME(MIN.) = .11 24.00 NUMBER OF PIPES = 14.68 TC (t'IIf\.I.) ::: 12.71 **************************************************************************** FLOW PROCESS FROM NODE 17.00 TO NODE 1.4. 00 I S 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 STREAM RUNOFF (CFS) AT CONFLUENCE = 14.68 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt1BER (CFS) (t'IIN.) (INCH/I··mUFO 9.99 ilL 68 14. :'::'0 1.2.71. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FoLLOWS~ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: F~UI\IOFF (CFS) = Z::;.94 TH·1E O'IINUTES) -. 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 CU\SSIFIC?HION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) - 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) - TOTAL AREA (ACRES) = .. 5() .20 TOTAL RUNoFF(CFS) -it :.i() **************************************************************************** FLOW PROCESS FROM NODE 19.00 TO NODE 20.00 IS CODE = 6 ---------------------------------------------------~------------------------ »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ======================~~============================================~======= UPSTREAM ELEVATION = 391.00 DOWNSTREAM ELEVATION = 378.00 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) -3.05 STREET FLoWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTHCFEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.14 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) -7.02 .60 TC(NIN) ~:: 1~5..32 I • • bCJ.l L LU:)S~3I F]' C{:d' ION I b II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.90 SUBAREA RUNOFF(CFS) -4.90 SUMMED AREA (ACRES) = 3.10 TOTAL RUNOFF(CFS) -5.40 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .31 HALFSTREET FLOODWIDTH(FEET) -9.37 FLOW VELOCITY(FEET/SEC.) = 2.71 DEPTH*VELOCITY ~ .85 FLOW PROCESS FROM NODE :1.9.00 TO NODE 20.00 IS cOOt:: = 1 -----------------------------------------------------~----------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================~=================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.32 RAINFALL INTENSITY (INCH./HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 3.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.40 **************************************************************************** FLOW PROCESS FROM NODE 21.00 TO NODE 22. 00 IS C;::DDE ::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CU:1SBIFICATION IS "Oil 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 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) = .50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 22.00 TO NODE 23.00 IS CODE = 6 ----~-----------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==============================================================~============= UPSTREAM ELEVATION = 392.00 DOWNSTREAM ELEVATION = 379.00 STREET LENGTH (FEET) = 850.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DEC!MAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -2.19 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELOCITYCFEET/SEC.) -2.26 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 6.26 .56 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.174 BOIL CU-)f3SIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 t:;UB?:,RE{-) ~)REf~ (ACRES) :::: 1 • 90 SUE:~::lRE{·~ RUNDFF (CF~3) .... :2::. ~::2 SUMMED AREA (ACRES) = 2.10 TOTAL RUNOFF(CFS) -3.82 END OF SUBAREA STREETFLOW HYDRAULICS~ aEPTH(PEET) = .28 HALF STREET FLOODWIDTH(FEET) -7.71 FLOW VELOCITY(FEET/SEC.) = 2.68 DEPTH*VELOCITY = .75 ***********************~**************************************************** I • • ------------------------------------------------------------~---------~--~--»»>COMPUTE PIPEFLO~ TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZ[««< =======================================================~==================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.3 UPSTREAM NODE ELEVATION = 379.00 DOWNSTREAM NODE ELEVATION = 378.00 FLoWLENGTHCFEET) = 58.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -3.82 TRAVEL TIME(MIN.) = .15 TC(MIN.) = 14.71 **************************************************************************** FLOW PROCESS FROM NODE 23.00 TO NODE 20.00 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) = 14.71 RAINFALL INTENSITY (INCH./HOUR) = 3.15 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 3.82 CONFLUENCE'INFORMATION: STREAM RUNOFF TIME INTENSITY NI.Jt'1BER (CFS) (!"lIN .. ) (INCH/l·-IOUR) -------------------------------------~-------------------------------------~ 1 ,-, .. ::. 5.40 ~5. 82 15.-32 ::::'.07:1. 14·.71 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1.'1. 12 9. OB COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 9.12 TIME(MINUTES) -15.318 TOTAL AREA (ACRES) = 5.20 **************************************************************************** 'F=LCllrJ F'f;:CJC:EE3S F::"R(Jt1 l'\lCJ[)E:-: ~~4··. ()() oro t'~OJ)E ::~5 a <)() I S C~(]I:)t:;:::: =:~ ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =============================================================~============== SOIL. CU4f~:;SIFIC(4TICJN H3 "D" S I NGL.E F (·~~1 I L Y DEVELOPt"IENT mJNDFF CDEFF I C I D'rr :::: .. 5~:K)() INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 418.00 DOWNSTREAM ELEVATION = 416.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 50 YEAR RAINFALL INTENSITY C INCH/HDUR) = 4.561 SUBAREA RUNOFF(CFS) -.50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF (CFS) -.. 50 **************************************************************************** F~OW PROCESS FROM NODE 25.00 TO NODE '26.00 IS CODE = 6 ----------------------------------------------------------------------------; »»>COMPUTE Sl~EETFLoW TRAVELTIME THRU SUBAREA««< =====================================================================~====== UPSTREAM ELEVATION = STHEET ! ... .E:::I\.llSTH (FEET) :::: 416.00 900.00 DO~\Jr-..ls·rHE:(.~t·'1 EL.El..lP, T I UN :::;: ::::'75. 00 CURB HEIGTH(INCHES) = 6. • • **************************************************************************~* FLOW PROCESS FROM NODE ::::;7. 00 TO NDDE 44. 00 IE; CODr::: :::: ----------------------------------------------------------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< --------------------------------------------------------------------------------------------------------------------------------------------------------DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.4 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 10.3 UPSTREAM NODE ELEVATIDN = 363.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) ~ 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -7.10 TRAVEL TIME(MIN.) = .81 TCCMIN.) = 15.50 ***************************************~************************************ FLOW PROCESS FROM NODE :37. 00 TO NODE i.~4. 00 IS CODE ::" ----------------------------~------------------------------------~----------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<~< =============~====================================================~=========. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CDNCENTRATION(MINUTES) = 15.50 RAINFALL INTENSITY (INCH./HOUR) =. 3.05 TOTAL STREAM AREA CACRES) = 4.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7.10 .**************************************************************************** FLOW PROCESS FROM NODE :::m. 00 TO t\.!Dm:: :37" 00 IS c(::tnt:::: ::::: ~, 0$:: . »»>RAfIONAL METHOD INITIAL SUBAREA ANALYSIS««< =================================================================~========== SOIL CI ... .(·~Sf.nFlc{-HION IS "P" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ~LEVATION = 357.00 DOWNSTREAM ELEVAtION = 354.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -7.978 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.678 SUBAREA RUNOFF(CFS) -.51 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.51 **************************************************************************** FLOW PROCESS FROM NODE 39.00 TO NODE 40.00 IS CODE = 6 »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UF'STRE(':~I"'1 ELE\..JAT ION c.::: :2:;54.00 DOvJt-!:3Tr':;:EAlvl ELE\.j{·\T IOhl :::: :3~jO" (It) STREET LENGTH (FEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROS:3FALL(DtCIMAL) -.0200 E3PEC I F I ED NUt1BER OF HALFSTf~EETf3 Cf·\RF~Y I NG RI...It\IOFF :::: 2 **TRAVELTIME COMPUTED USING MEAN FLO~(CFS) -6.95 STREET FLDWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.85 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.28 PRDDUCT OF DEPTI·1~k\IEL()C I TY = H 8::~; STREETFLOW TRAVELTIME(MIN) = 3.65 TC(MIN) = 11.63 I • • SOIL. CI...('·'SSIFIC{HIDN IS "D" SINGLE FAMILY DEV~LOPMENT RUNOFF COEFFICiENT = .5500 I t,~ I or I '~I.... t) tJ B (.~ F;! r:: f·:) F 1.. .. C) lIJ --L.. E:: t\( (:11'j···, ( r--f:: E~ or ) .. H. 1. () () " () () UPSTREAM ELEVATION = 376.00 DOWNSTREAM ELEVATION = 374.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFFCCFS) -.50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.50 **************************************************************************** FLOW PROCESS Fr~OM I\HJDE ::-$5. 00 TO NDDE 36. 00 I S CODE:: b »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =================================================================~========== UPSTREAM ELEVATION = 374.00 DOWNSTREAM ELEVATION = 372.00 STREET LENGTH (FEET) = 500.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFAL~(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -1.88 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -1.32 PRODUCT OF DEPTH&VELOCITY = .37 STREETFLOW TRAVELTIME(MIN) = 6.33 TC(MIN) = 14.63 50 YEAR RAINFALL INTENSITY(INCH/HDUR) = 3.164 ~'30IL CL..ASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.60 SUBAREA RUNOFFCCFS) -2.78 SUMMED AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) - . 3~29 END OF SUBAREA STREETFLOW HYDRAUL..ICS~ DEPTH (F'El:;:~T) ::: • 3~~ 1"'Ii~~LFSTREE=':T F'LODm~ I DTH( FEET) ... 10. 20 FLOW VELOCITYCFEET/SEC.) = 1.42 DEPTH*VElOCITY -.47 **************************************************************************** FLOW PROCESS FROM NODE Tl.00 If:. CODE: :::: i.j. ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ===========================~====================~=========================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.4 INCHES PIPEFLDW VELOCITY(FEET/SEC.) = 13.9 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLOWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -3.29 TRAVEL TIMECMIN.) = .06 TC(MIN.) = 14.69 **************************************************************************** FU)~J PFi.:DCESS FFWt1 NODE 36.00 TO NODE 37.00 IS CODE ::::: 8 ------------------------------------~--------------------------~------------»»>ADDITION OF SUBAREA TO MAINLINE PEAK FLDW««< ==================================================~==================~======. 50 YEAR RAINFALL INTENSITYCINCH/HOURJ =·3.156 f3'DIL CU~SSIFIC('HION H3 liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) -2.20 SUBAREA RUNOFF(CFSl -3.82 TOTAL AREACACRES) -4.00 TOTAL RUNOFF(CFS} ~ 7.10 TC(MIN) = 14.69' I • • **************************************************************************** FLOW PROCESS FROM NODE ::::. 1 u 00 TD I\IODE ~::'2 .. 00 I S CODE. =: ----------------------------------------------------------------------------. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ ::30 I L CI....(.lS::3 I F I C('YrI ON 1::3 "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 RUNOFF (CFS) -.50 **************************************************************************** FLOW PROCESS FROM NODE 32.00 TO NODE 3::::' • 00 I S CODE ::: 6 »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 372.00 STREET LENGTH (FEET) = 580.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 -:-!·;*TF~{')VEL..TIt~IE CO~/IPUTED UE;")INC3 t'IE::AI\I FL..D[.tJ (CFS) ... 2. :I.~~; STREET FLOWDEPTHCFEET) = .28 HALFSTREET FL..OODWIDTHCFEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -1.49 PRODUCT OF DEPTH&VELOCITY :::: .42 STREETFLOW TRAVELTIME(MIN) = 6.47 TCCMIN) = 14.77 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.145 SOIL CU~E;BIFICATION IS liD" SINC3LE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREACACRES) = 1.90 SUBAREA RUNOFF (CFS) -'":,. ''il'', ",) u • .::. '7 SUMMED AREACACRES) = 2.10 TOTAL RUNOFFCCFS) - END OF SUBAREA STREET FLOW HYDRAULICS: DEPTHCFEET) = .33 HALFSTREET FLDODWIDTHCFEET) -10.20 FLOW VELOCITYCFEET/SEC.) = 1.64 DEPTH*VELOCITY = .54 **************************************************************************** FLOW PROCESS FROM NODE ~::.~::.. 00 TO NODE ~::'7 • 00 I S CODE :~-:: -----------------------------------------------------------------------~---- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ====~==============================================================~======== 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 FLDv·JLENGTH (FEET):::: 70. 00 t~I?"~hIN I hlC.:;r:, N::: . (113 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -3.79 TRAVEL TIMECMIN.) = .09 TC(MIN.) = 14.86 :i. ****************************************************************~*********** FLOW PROCESS FRDM NODE 34.00 TO NODE 35. 00 I El CDDE ::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< • • • SPECIFIED NUMBER OF HAlFSTREETS CARRYING RUNOFF = 2 ·:~·"*·TH{-WEL."T· I I'IE CDr/IF-UTED US I NC:l IvIE('~N F·L.OvJ (CFt3) .... ,?" 90 STREET FLDWDEPTH{FEET) = .31 HALF STREET FLDODWIDTH(FEET) = 9.37 AVERAGE FLOW VElDCITYCFEET/SEC.) -4.97 PRODUCT OF DEPTH&VELOCITY = 1.56 STREETFLOW TRAVElTIMECMIN) = 3.02 TC(MIN):::: 11.32 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.734 SOIL CU~GSIFICATIot\i IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ~3UBAREA {'H~EA (~)CF:ES):::: 9. 10 E1UBAHE:{.\ FUJI'·.IOFF (CF'~l) _. 1 B. 6-9 SUMMED AREACACRES):::: 9.30 TOTAL RUNbFFCCFS) -19.19 END OF' SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) = .38 HAlFSTREET FlDODWIDTHCFEET) :::: 12.68 FLOW VELOCITYCFEET/SEC.) :::: 5.56 DEPTH*VELOCITY = 2.11 **************************************************************************** FLOW PROCESS FROM NODE 26.00 TO NODE ~50. 00 IS CODE =:: 4 -------------------------------------------------------~---~----------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAHEA««< »»>USING USER-SPECIFIED PIPESIZE««< ::::: = =:: :-.::~::::. ::!!: =.::-.: :::: ::-.: ::-.::::.:::::: ::.: ::::::::::::::: :::::::::: ::::::::: ::::: ::;:::::: :-.:::::::: ::::: ::::: ::.:: ::::::::: ::::: ::::: :::: ::::: ::::: :::: :::: :::::::::: :::!: ::::::: :::::::: :::::,:::: ::::: ::::::::: ::::: ::::: ::.:: == ::::::::: ::::: :::::::::: ::::::::: ::-.:::::: =:: :-.::: :::: ::::: :::: ::::: ::::.:::: ::::::: :::::::::::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.9 INCHES PIPEFLDW VElOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 368.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) -19.19 TRAVEL TIMECMIN.) = .06 TCCMIN.):::: 11.38 1 **************************************************************************** FLOW PROCESS FROM NODE 27.00 TO NODE :?!:J. 00 I S CODe :::: 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSlS««< ==::::::::::::=================::::==================::::========::::========================~ ElCJ I L.. C::L('·~E3B I F I C{·~ T I 01..,1 I ~:; II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 1. r..1 I T I (~L SUB(':~RE:(.') FLOW···I ... ENDTH (FEF.~T) _.. 1. 00 u 00 UPSTREAM ELEVATION:::: 393.00 DOWNGTREAM ELEVATION = 391.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FL..OWCMINUTES) -8.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNoFF(CFS) -.50 TOTAL AREACACRES) :::: .20 TOTAL RUNOFF(CFS) -.50 **************************************************************************** FLO\l~ pnOCESS FTml'1 NODE 28. 00 TD t .. .roDE 2'7. 00 I El CrJDE .:::: 6 -------------------------------------------------------------~~------------- »»>COMPUTE STREET FLOW TnAVELTIME THnu SUBAREA««< :::::.:::::::::::::::::::::::::::::::: :::!: :::: ::::::::::::::::::::::: =::::::::::::-.: ::::: ::::::::: ::::::::: ::::: =:::::: ::!::::::~ :::;:::::: ::::::::-:: ::-~-: ::::: :.-::: :::::::::::::::::::::::::::::::::: :::: :::: ::::: ::::::::: ::::::::::::.: :::::::: ::::: ::: :::::::::::: ::::.:::::::::: ::-.:::::::::::: ::::::::::::: :::-.::::::::::::::::::::: :::::.-: UPSTREAM ELEVATION = 391.00 DOWNSTREAM ELEVATION = 370.00 ElTf~EET LEJ'-IDTH (FEET) = 700.00 cun£? HEIDTH (It..,ICHES) ::::: {:t. STREET HALF~IDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FlOW(CFS~ -5.19 STREET FLOWDEPTH(FEET):::: .28 HALF STREET FLOODWIDTH(FEET) = 7 j 71 AVERAGE FLOW VELOCITY(FEET/S~C.) -3.64 PRODUCT OF DEPTH&VELOCITY -1.02 •• • • El I 1\1[:31. .. 1::: F (~1'111.. Y IiEVEU)PI'IEI'..rr I'.:;:!...J!···.IUFF C-C)E:.F F I C I Elrr :::: ,,~5~:500 SUBAREA AREACACRES) = 6.40 SUBAREA RUNOFF(CFS) = 12.92 SUMMED AREACACRES) = 6.60 TOTAL RUNOFF (CFS) -13.43 END OF SUBAREA STREET FLOW HYDRAULICS~ DEPTHCFEET) = .45 HALFSTREET FLOODWIDTH(FEET) -15.99 FLOW VELOCITYCFEET/SEC.) = 2.51 DEPTH*VELOCITY ~ 1.12 **************************************************************************~ FLOW PROCESS FROM NODE 40.00 TO NODE 44.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ::::::~ = =:::: :::::.::::::::-.::::-.::::: =:::::::::: =.:~:: :::::::::::::::::::::::'.:: :::::::::: =::::: :-.::: :::::-.::: ==:::: ::::::::::::::::::::: :'.::::::::::: =. :::: :::: :::::::: ::::::::: ::::::;:::::::::::::: ::::: =::::::-.:: ::::: ::::::;:,.!::::::::: :::::::::::!::::-.::::::::::: ::::,::::: :::::::.-:::: == !!".::: DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.8 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 342.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N = .012 GIVEN PIPE DIAMEtER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -13.43 TRAVEL TIME(MIN.) = .05 TCCMIN.) = 11.6~ *********************************************************~****************~ FLOW PROCESS FROM NODE 40.00 TO NODE 44.00 IS CODE = 1 --------------------------------------------------------------~------------:>:> >:> :>IiES I GNATE I NDEPENDEt'H STRF::AI"1 FCJf;: CO !-.IFLU F::I\H:::E < < <.::: < ==============================================================~============ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATIONCMINUTES) = 11.68 R{\INF{-'tl..l... INTENSITY (INCH./I·-IOW~) == 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 ANAl..YSIS««< =========================================================================== SOIL CLf.rSSIFIC(~TIOI\~ IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 365.00 DOWNSTREAM ELEVATION = 363.00 ELEVATION DIFFERENCE = 2.00 URBAI\I SUBARE(:\ OVERLAND T I t"1E OF FI...OV·J (11 I NUTES) _. B" 299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -.50 TOTAL AREACACRES) = ~20 TOTAL RUNOFF (CFS) -.50 *************************************************************************** FLOW PROCESS FROM NODE 42.00 TO NODE 43.00 IS CODE = 6 ... -.. --.. -..... -.--....... -........ -....... ..:. ............. -.-..... -.. ---~ .. _ ... _--........ -.-. __ ..... _ .. _._--_ .. _ .. __ ............ __ .. _ .. _ .. -.. _ .......... _ .... __ ..... _-_ ..... _ .. _ ..... --_ .. _._---._ .. __ ... _ ...... _ .. _ .. _ ....... _- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< :::: =:::::-.:::::: :::: !::: :::'':::::::-': !::::::::::: ==:::::::::::: ::-:::::::::: :0.::: :.":: =::=::::: =:::::::::::: ::::: :-.::::::::=!!!:::::::::::::::::: :::: :::: :::::::::::::: ::r.: ::::::;:: =,::::::: ::::::::::::::: :i...!::::::::::-':: :::::::: ::::: ::::: ::::::::::::::: ::::: ::::: :::::::::::-.:: =::: =:::::::: == :::::: UPSTREAM ELEVATION = 363.00 DOWNSTREAM ELEVATION = 343.00 STREET LENGTH (FEET) = 600.00 CURB HEIGTHCINCHES) = 6. ~TREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HAl..FSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -1.90 ~~TREET FUJvJDEPTH (FEET)::,.: .2:1. HALFSTREET FLdoDWIDTH(FEET) = 4.40 • • • PRODUCT OF D~PTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 3.27 TC (MIN) ... 11.57 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.680 SOIL CU\~:;BIFIC('~TION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 1.40 SUBAREA RUNOFF(CFS) -2.83 SUMMED AREA (ACRES) = 1.60 TOTAL RUNOFFCCFS) -3.34 END OF SUBAREA STREETFLOW HYDRAUlICS~ DEPTHCFEET) = .25 HALF STREET FLOODWIDTHCFEET) 6.05 FLOW VELOCITY(FEET/SEC.) = 3.44 DEPTH*VELOCITY = .85 *************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 44.00 IS CODE = 4 ----------------~----------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»)USING USER-SPECIFIED PIPESIZE««< =~===================================================~===================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.1 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 6.4 UPSTm:::{~t1 NODE ELEV{~T I DN::::: ~;::t.1·:3" 00 DOWNSTREAM NODE ELEVATION = 342.00 FLOW LENGTH (FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLDW THRU SUBAREA (CFS) -3.34 TRAVEL TIME(MIN.) = .13 TC(MIN.) = 11.70 *************************************************************************** FLOW PROCESS FROM NODE 43.00 TO NODE 44.00 IS CODE = 1 .. ... __ .. __ ............ __ ..... __ .. _ .. _ ................. _ .. _ ..... _ .. _-_ ............ _-................ _ ...................... _ ....... _ .. -............... -_ ................................ -.. '_ ............ _ .. _ .................... _-............. -........................... -............... -................... . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ==================================================~=====~=======~========== CONFLUENCE VALUES USED FOR iNDEPENDENT STREAM 4 ARE: TH1E OF CONCENTH('HION n·lINUTES)::." 11" 70 RAINF:AL.L INTENSITY (INCH. IHOUFn::: ::::. 6~i TOTAL STHEAM AREA (ACRES) = 1.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 3.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt·mER (CFS) (1'1I hi.) <I NeH I HOUR) --------------------------------------------------------------------------- 1 28. 66 1 ~~. 68 '*:!" '-' . 4b9 ~;2 "7 10 1. ~i. :50 :3. 040 I . 3 13. 4~~:' 1 1 . 6B ~5 • 659 4 ~::;. 3 1.f. 1 1 . '70 .'!!. '_' . 654 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 50.81 46.26 49.86 49.89 COMPUTED CONFLUENCE ESTIMATES ARE AS FOL.LOWS: RUNOFF (CFS) = 50.Bl TIME(MINUTES) -12.682 TOTAL AREA (ACRES) = 26.30 ***********************************************~**************************t FLOW PROCESS FROM NODE 44.00 TO NODE 50.00 IS CODE = 4 . --------------------------------------------------------~--------r--------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =====================================~===================~================: DEPTH OF FLOW IN 36:0 INCH PIPE 16 lt~3 INCHES • • • Uf'STRE(WI NUDE ELEt.j{.:) r I ON :"~: .:::42. 00 DOWNSTREAM NODE ELEVATION -309.00 FLOW LENGTH (FEET) = 850.00 MANNINGS N = .013 GIVEN PIPE OIAMETERCINCH) = 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -50.81 TRAVEL TIME(MIN4) = .86 TC(MIN.) = 13.55 *************************************************************************** FLOW PROCESS FROM NODE 44.00 TO NODE 50.00 IS CODE = 1 ---------------------------------------------------------------------------»»>DE~IGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =================================~=====~~====~====~======================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13.55 RAINFALL INTENSITY (INCH./HOUR) = 3.32 TOTAL STREAM AREA (ACRES) = 26.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.81 **************************************************************************~ FLOW PROCESS FROM NODE 48.00 TO NODE 49.00 IS CODE = 2 ----------------------------------------------------------------~---~------'! »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==========================================================================~ SOIL CU:iSBIF IC('H Im··j IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 343.00 DOWNSTREAM ELEVATION = 341.~0 ELEVATION DIFFERENCE::::: 2.00 URBAN BUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 .50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -.50 TOT('·~L. ('~F~E?~ ((:"CF~ES) ::: • 20 TDn~L F~l...INOFF (CFt;) ... . ~50 *************************************************************************** FLOW PROCESS FROM NODE 49.00 TO NODE 50.00 IS CODE ~ 6 ------------------------------------------------------~-----------~-------- »»>COMPUTE STREETFLOW TRAVEL.TIME THRU SUBAREA««< =========================================================================== UPSTREAM ELEVATION = 341.00 DOWNSTREAM ELEVATION = 309.00 STREET L.ENGTH(FE~T) = 800.00 CURB HEIGTH(INCH£S) = 6. S1l~EET Hf.,)Ln~IDTH (FEE'f) ::::: 28.00 BTREET Cf~:OSSFAL.L. (I)ECIt"I(.;~IU .... SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTH(FEET)::::: .25 HALFSTREET FLOODWIDTH(FEET) ::::: 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.46 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIME(MIN) = 3.86 .86 TCnlIN) ::::: 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.565 SOIL CLASf.UFIC( .. HION IS "[)" 12 .. 16 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 .. " "'!I't:.::" ... :1 it -.. :I . ..J SUBAREA AREACACRES)::::: 2.90 SUBAREA RUNOFFCCFS) -5.69 SUMMED A8EA(ACRES)::::: 3.10 TOTAL RUNOFF (CFS) -6.19 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .28 HALF STREET FLOODWIDTH(FEET) -7.71 FLOW VELOCITY(PEET/SEC.) = 4.34 DEPTH*VELOCITY::::: 1.22 .. {)200 ***************************************************************************. ' FLOW PROCESS FROM NODE' 49.00 TO NODE 50.00 IS CODE::::: 1 • • • »»>DESIGNATE INDEPENDENT STREAM FOR CONFUJENCE««< > > > > >ANJ) CDI'IIPI...ITE V(':~H I DUS CClNFLUEt···JCED STF<E{·WI \/(·)I ... t..lES< -::: -::: < < ================~========================================~=================: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 12.16 RAINFALL INTENSITY (INCH./HOUR) = 3.57 TOTAL STREAM AREA (ACRES) = 3.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -6.19 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY Nut"1BEF~ (CFS) (t1 IN.) (I NCH / HOUR) --------------------------------------------------------------------------- 1 50.81 6.1.9 1.2.16 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS.CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 56.58 TIME(MINUTES) -13.547 TOTAL AREA (ACRES) = 29.40 *************************************************************************** FLOlI,) PRDCESS FHOt1 NODE 50. 00 TO NODE 48. 00 I S CODE:::: '-1- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============~============================================================~= DEPTH OF FLOW IN 36.0 INCH PIPE IS 18.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.4 UPSTREAM NODE ELEVATION = 309.00 DOWNSTREAM NODE ELEVATION = 305.00 FLOWLENGTH(FEETl = 130.00 MANNINGS N:::: .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -56.58 TRAVEL TIMECMIN.) ~ .14 TC(MIN.):::: 13.69 *************************************************************************** FLOW PROCESS FROM NODE !50. 00 TO NODE 4·8.00 IS CODE :::: :l --------------------------------------------------------------~------------ »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-:::«« ================::::===~=======::::===::::::::=::::==============::::::::======================= CONFLUENCE VALUE:~3 USED FOR I NDEPEI\IDENT fH"F-i:EAt1 :l (.:lF~E ~ TIME OF CONCENTRATION (MINUTES) :::: 13.69 HAINFALL INTENSITY (INCH./HOUR) = 3.30 TOTAL STREAM AREA (ACRES):::: 29.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE:::: 56.58 **************************************************************************~ FLDW PHOCESS FROM NODE 45.00 TO NODE 46.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===~==================~=================================~================== f.3DIL C!..J)~-3SIFICfnION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 JNITIAL SUBAREA FLOW-LENBTH(FEET) = 100~00 UPSTREAM ELEVATION:::: 347.00 DOWNSTREAM ELEVATION:::: 345.00 ELEVATION DIFFERENCE:::: 2.00 UF\B(..)hl f:;UB(~F::E::'J:) nVE,:pu, .. AND T 3: nr::: ell:: V· UJt!} (1'1 I I-H..lTE3) - 50 YEAR RAINFALL INT~NSITY(INCH/HDUR) -4.561 • • • TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) = **************************************************************************i FLOW PROCESS FROM NODE 46.00 TO NOtE 47.00 IS CODE = 6 ---------------~-----------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< =============================================================~==========~== UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = 305.00 STREET LENGTH (FEET) = 1000.00 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) -7.59 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VELOCITYCFEET/SEC.) -4.48 PRODUCT OF DEPTH&VELOCITY = 1.33 STREETFLOW TRAVELT1ME(MIN) = 3.72 TC(MIN) = 12.02 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.591 !:m IL. CU~SS I F I CAT I ON I!'::'l II D II S I NC,l.J:: F A 10'1 I L Y DEVELOPjvlF.~}on RUNOFF COEFF I C lENT == . 5~~5000 SUBAREA AREA (ACRES) = 7.10 SUBAREA RUNOFF (CFS) = 14.02 SUMMED AREA(ACRES) == 7.30 TOTAL RUNOFF (CFS) = 14.52 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) == .36 HALFSTREET FLOODWIDTH(FEET) == 11.85 ~LDW VELOCITY(FEET/SEC.) = 4.77 DEPtH~'·VELDC J: TY ::.:: i "7.or .1. °1 I .~:t *************************************************************************** FLOW PROCESS FROM NODE il7" 00 TO NODE 4B. 00 IS C(JDF.::: """ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< 4 ===================~========================================~================~= PIPEFLOW VELOCITY(FEET/SEC.) = 8.2 UPSTREAM NODE ELEVATION == 306.00 DOWNSTREAM NODE ELEVATION = 305.00 FLDWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -14.52 TRAVEL TIME(MIN.) -.10 rC(MIN.) = 12.12 ***********~*************************************************************** FLOW PROCESS FROM NODE 47.00 TO NODE 48. 00 I S CODE :~': 1 -------------------------------------------------------------------~------- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :> >-:>:> >{~ND CfJt1PUTE VAH I DUB CDNFL.UENCED E)TF~EAtT1 Vt=\LUEB-::: <: -::: < <: ==================================================~========================================= CONFLUENCE VAL.UES USED FOR INDEPENDENT STREAM 2 ARE: T !t"IE OF cm'~CEj\nF~AT I ON (t'H NUTEB) "::: 12" L? 0 RAINFALL INTENSITY (INCH./HOUH) = 3.57 TOTAL STREAM AREA (ACRES) == 7.30 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE -14.52 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) -----------------------------------------_________________ ~ ____ ~ ___________ o 1 56.58 14.52 1:5. 69 12. 1.2 -:; r.::"-r"" "_'. __ J I 01::' RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VAH I DUS CONFLUEf\oICED RUNOFF V0UJES AfH~ M3 FOLLm,.!s: • • • c.::[II'·'IF·U·T'ED CONFLUE}~CE E~::rr I 1';IF1 '[ ES f..'mE (.·~;:'3 i::ULLI..)!/·Jb ~ RUNOFF (CFS) = 70.01 TIME(MINUTES) -13.687 TOTAL AREA (ACRES) = 36.70 ~'I' * -l(. ~~. 'of 1!' "J(' * .j(. 1(. * * * -l(. * ,',(. 1!' ,'r[-* * ,*. ,,\' ";(. * 1(. * ~~. "f.' ~'I-';1' ,'.I(. * -)(0 1(. -)l. 1!' ·il· .;.t .. *. ,*. -l!' ~~. ,,\' -)t. -l!'.;.t . .;~. -)I •• ;~. -)t. -l!' * -ii' ,~. ·il· -iF -l!' .)l .. *~"t -y<. ~*'"k * ,'.I(' .)l. ~t ';~-~r[-,'r[-~*~~. 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 21.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 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) -70.01 TRAVEL TIMECMIN.) = .10 TC(MIN.) = 13.79 ******************************************************************~*****. FLOW PROCESS FROM NODE 48.00 TO NODE 127.00 IS CODE ::::: -----------------------------------------------------------------------_. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ======================================================================:=: CONFLUENCE W)UJES USED For:;: INDEPENDENT STI::t:E?WI lAHE ~ TIME OF CONCENTRATION(MINUTES) = 13.79 RAINFALL INTENSITY (INCH./HOUR) = 3.29 TDT{~L STF~EAt'1 {.~REA (ACnES) ".::: 36.70 TOT{.':lL STHENT1 HUNOFF (CFS) (41' CONFLUE::NCE = '70.01 ~~. *:O!. -)10 ,*. *. ~~. * 1(. * * ,,\' * * -it 1(. *. ~~. -y<. ,1(' -l!. ~,>!. -)!. * 1(. ~~. " .... -)!. i!' *. -)!. ,,\'"* -)!. ,,>!. ~'I-.~. ~"t -;!-,'r[-,* ~l(o -)!. ,iI' ,IF -it o'>!' 'oll-"It ",i, .* * -)l • .;~ • .;~. ~t *. "ii· -;rt .;~.,*. ,l{' * * -)i-*. ·iI· ,,!--ll' ~1' -ll' -if . FLOW PHOCESS FROM NODE 125.00 TO NODE 126.00 IS CODE = 2 ----------------~---------------------------------~----------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ========================================================================: !30IL .. CI.. .. AS~3IFICf~TION It=) 110 11 RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.03(M1NUTES) INITIAL SUBAREA FLOW-LENGTHCFEET) -800.00 UPSTREAM ELEVATION = 347.00 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 RUNOFFCCFS) - ************************************************************************~ FLOW PROCESS FROM NODE 126.00 TO NODE 1 :.27 .. 00 IS com·: ::::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE««< »»>AND COMPUTE VARIOUS CONFlUENCED STREAM VALUES««< ================================================~=~=====================" CONFLUENCE VALUES USED FOR INDEPENDENT SlREAM 2 ARE~ TIME OF CONCENTRATION (MINUTES) = 14.03 RAINFALL INTENSITY (INCH./HOUR) = 3.25 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2.05 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY • • • 70.01 1:::::" 79 1.4.03 ~:; 11 :2(-3·7 ~!;" ~!~5() RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VAF~ I DUB CONFLUENCED RUt"IDFF \,}f:.)~ .. UEE AF~E f:~E FDL..LOI;·JE:; ~ COMPUTED CONFL..UENCE EETIMATES ARE AS FOLL..DWS~ RUNOFF (CFS) = 72.03 TIME(MINUTES) -13.791 TOTAL AREACACRES) = 38.10 ************************************************************************~ FLOW PROC~SS FROM NODE 49.00 TO NODE 50.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL.. SUBAREA ANALYSIS««< ========================================================================= SOlL. CLASSIFICATIOh\ IS liD" EINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 444~OO DOWNSTREAM ELEVATION = ELEVATION DIFFERENCE = :;~ 11 (i() URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.299 50 YEAR RAINFALL.. INT~NSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF (CFS) -.50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) -.50 ************************************************************************. FLOW PROCESS FROM NODE ~50. 00 TO NODE ~51. .00 IS CODE =:: ----------------~-------------~----------------------------------------_. :>:>:>:> >COI"1PUTE STREETFLOItJ THAVE1 .. T I t'1E THF:::U ~3UB{~H[{'~r«< <-::: -----------------------------------------------------------------------_. -----------------------------------------------------------------------_. UPSTREAM ELEVATION = 442.00 DOWNSTREAM ELEVATION = 400.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFAL..L(DECIMAL) -.020Q SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -9.81 STREET FLOWDEPTH(FEET) = .31 I .. ·IALFSTREET FL.DDDI,'J I DTH (FEET)::::: 9" T7 AVERAGE FL..OW VELOCITY(FEET/SEC.) -4.93 PRODUCT OF DEPTH&VELOCITY = 1.54 STREET FLOW TRAVELTIME (MIN) = 2.54 TC(MIN) = 10,,84 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.840 SOIL CLASSIFICATIDN H3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.80 SUBAREA RUNOFF (CFS) -18.58 SUMMED AREACACRES) = 9.00 TOTAL RUNOFF (CFE) = 1~.09 END OF SUBAREA STREET FLOW HYDRAULICS: DEP'rH (F:EET):::' . ~~:'6 H{~LFSTF~EET FLOOIH'J I DTH (FEET) ::: 11" n~:s FLOW VELOCITY(FEET/SEC.) = 6.27 DEPTH*VELOCITY = 2.28 ************************************************************************ FLOW PROCESS FROM NODE 51.00 TO NODE 55.00 IS ~ODE = 4 ------------------------------------------------------------~-----------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPE9IZE««< ----------------------------------------------------~-------------------------------------------------------------------------------------------DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSfREAM NODE ELEVATION = 400.00 DOWNSTREAM NODE EL~VATION = 364.00 , • • ~. GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREA(CFS) - TRAVEL TIME(MIN.) = .67 18.00 NUMBER OF PIPES -:I. 1'7'.0? TCO"IIN.):::: 11.B'i:l ************************************************************************ 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 CONCENTRATIONCMINUTES) = 11.5:1. RAINFALL INTENSITY CINCH./HOUR) = 3.69 TOTAL STREAM AREA (ACRES) = 9.00 TOT {."iL STREAt'1 RUNOFF (CF~)) AT COhlFLLJENCE :::: 19. 0'7' ************************************************************************. FLOW PROCESS FROM NODE ~52. 00 TO NODE ~, oS::. -----------------------------------------------~-----------------------_. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====~========::::=====::::=========::::=================================~=~======: HOI L CU~SBIF I C{H I ON I!3 "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 FL~JW(MINUTES) 50 YEAR RAINFALL INTENSITV(INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -.50 TOTAL AREA(ACRES) = .2<) TOTAL RUNOFF(CFS)- c:~ ·-."IC10 '_./ II .1: ..... .: .50 ************************************************************************, FLOW PROCESS FROM NODE 53.00 TO NODE 54.00 IS CODE = 6 ------------------------------------------------------------~------------ »»>COMPUTE STREETFLOW TRAVELTIME THRLJ SUBAREA««< ========================================================================: , UPSTREAt'1 ELEVf-iT I ON ::: :T?5. 00 DDIJJNSTRE(.::lt1 ELEVJ~T I DN ::: 365.00 STREET LENGTH (FEET) = 650.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNO~F = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.89 STREET FLOWDEPTH(FEET) = .33 HALFSTREET FLOODWIDTH(FEET) = 10.20 AVERAGE FLOW VELOCITY(FEET!SEC.):::: 2.98 PRODUCT OF DEPTH&VELDCITY = .98 STREET FLOW TRAVELTIMECMIN) = 3 .. 64 TC(MIN) = 11.94 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.607 S)oI L CU·~SS I F I CAT ION IS" D" SINGLE FAMILY DEVELOPMENT RUNOF~ COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.50 SUBAREA RUNOFF(CFS) -12.89 SUMMED AREA(ACRES) = 6.70 TOTAL RUNOFFCCFS) -13.40 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .40 HALFSTREET FLOODWIDTH(FEET) -13.51 FLOW VELOCITY(FEET/SEC.) = 3.45 DEPTH*VELOCITY -1.37 ************************************************************************. FLOW PROCESS FROM NODE 54.00 TO NODE 55.00 IS CODE = 4 »»>CDMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .... ": ..... "' ..... , JC~ I t"G lJ!=iI::-r',-cF:'ET'I 1= '[ED f-::' I I~:'f.::-c: T "7 r:' ..... ( ............ • ,',' ", .... ,' ....... ,. "-l.::1 \_ .... \ .... 1 _ .. 03. • ...... 1 ' •• -· ... I ....... f,:!. ". " '" ", ", • • • i.JI:::.F' 11'1 Clr: F Lm'4 .l N :l B. 0 11\ICI·-j F··' I FE 1:3 14 n 4-1 hiCI"iE~;~ PIPEFLOW VELOCITY(FEET/SEC.) = 8.S UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 364.00 FLOWLENGTHCFEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREACCFS) -13.40 TRAVEL TIME(MIN.) = .09 TC(MIN.) -12~03 ************************************************************************~ FLOW PROCESS FROM NODE ~54. 00 TO NODE 55.00 IS CODE ::: ....... -.......... _-........ -.......... _-----_ .. _ .. _ .. _ .. _ ..... _ ............. -.. -.. ---"!" .. __ .. __ ....... _----_.,-_ .. __ .. _ .. _ .. _ .. __ ..... _ ............ __ ..... --....... -......... ---.. -.. ------.---~ .. -.. -- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ======================================~==============================~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION (MINUT(S) = 12.03 RAINFALL INTENSITY (INCH./HOUR) = 3.59 TOTAL STREAM AREA (ACRES) = 6.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.40 CONFLUENCE INFORMATION~ tHREAt"l HUNCfFF T I ty1E I NT ENS I TY NUI'1BER (CFS) (MIN.) (INCH/HOUR) . . ------------------------------------------------------------------------- 1 19.09 1~;;. 40 11. 51 :3.694 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VAF<:r. OUS CONFLlJENCED F~UNOFf:' V{~LUEE) {·mE:: (:1S FOLLDIlJS: ::~::~. 1<) :31..94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 32.10 TIMECMINUTES) -11.506 TOTAL AREA (ACRES) = 15.70 ************************************************************************, FLOW PROCESS FROM NODE 5~5. 00 TO NODE 133.00 IS CODE =4 ----------------------------------------------------------------------~--»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USlNG USER-SPECIFIED PIPESIZE««< =======================================~=====:::::::::::::::============~===========: DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::::: 19.7 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 333.00 FLm'JLEJ'-I(3TH (FEET)::::: :::'50" 00 t'I{~NN:r. hlGS N = n 0 1. ~;; GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREACCFS) -32.10 TR~VEL TIME(MIN.) = .30 TC(MIN.) ~ 11.80 ************************************************************************. FLOW PROCESS FROM NODE ~55. oq TO NODE 133.00 IS CODE :::: 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ::::: =:::: :::::::::: :-.::::::::::-.: ::.:: :::: :::: ::::::::: ::::: :-.:: :::: ::::: =.: :::: :::::::::::::: ::::: :::::::::::;: ::::: ::::: ::::: ::::: ::::: ::::: :. .. .:: ::::; ::::: ::'.!: :::: :::: ::::: ::::::::: =.-.:::::: :::: :-.::: :::::::::::: ::::: ::::: :;::: ::::: :::: :::: ::::::::: :::::::::: :OM-:: :::::.::::: ::::: = :::::::::::::::::::-.:: =::: :::: ::-.: ::::: : CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATIONCMINUTES)::::: 11.80 RAINFALL INTENSITY (tNtH./HOUR)::::: 3.63 TOTAL STREAM AREA (ACHES) = 15.70 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 32.10 ., ': • • • FLOW PROCESS FROM NODE 1 :~;:I. • 00 I S CODE ._- »»>RATIONAL METHOD INITIAL SUBAREA ANALVSIS««< :-.:: :::::::::::::::::::: == ==:::: :" .... ::::::::::::::: :".!:.:::: ::::: ::::: ::::: :::: ::::::::: :::: :::::::::::: ::::: :::::::::::::::: :::::::::::::::::::: ==:::: :.::::::-.::::::: !:'-'!:::::::::-.:: :::::::::::::: ::::: =:::: ::::::::: ::::: ::::;:::::::::::. ::::: ::;:: :::: :::::;::-.: ::::: ;-.:: ::::: ::::: :::: ::::: :::: :::-.: ::::: :::::.::::: : SOIL. CLj":lSSIFIC?Yf"ION IS; liD" SINGLE FAMILY DEVELOPMENT RUNOFF COE~FICIENT = .5500 INITIAL SUBAREA FLOW-L.ENGTH(FEET) -100.00 UPSTREAM ELEVATION = 376.00 Dm\Jt\ISTHE(~t'1 EL.E'-./{.:lTION ::: :~:'7!.f·. 00 ELEVATION DIFFERENCE = 2.00 UHBAN SUBAHEA OVEHLAND TIME OF FLOWCMINUTES) - 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA HUNOFFCCFS) -.50 TOTAL AREA (ACRES) = .20 TOtAL RUNOFF(CFS) -tI 5() **********************~*************************************************. FLOW PROCESS FROM NODE 131.00 TO NODE 132.00 IS CODE = 6 -----------------------------------------------------------------~------. »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =====~================================================================~=: UPSTREAM ELEVATION = 374.00 STREET LENGTH (FEET) = 600.00 STREET HALFWIDTHCFEET) = 28.00 DOWNSTREAM ELEVATION = 333.00 CURB HEIGTH(INCHES) = 6. STREET CROSS FALL (DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) - STREET FLOWDEPTH(FEET) = .28 HALFSTHEET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITYCFEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = 1.38 '-, .t::. STREET FLOW TRAVELTIME(MIN) = 2.03 TC(MIN) = :l o. :~~;::::. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.960 EmIL CU~t"3BIFICATION IS "D" SINGLE FAMIL.Y DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACHES) = 5.90 SU9AHEA RUNOFF(CFS) -12.85 SUMMED AHEACACRES) = 6.10 TOTAL RUNOFF (CFS) 13.35 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .33 HALF STREET FLOODWIDTH(FEET) = 10.20 FLOW VELOCITY(FEET/SEC.) = 5.77 DEPTH*VELOCITY = 1.90 ************************************************************************1 FLOW PROCESS FROM NODE 132.00 TO NODE 1::::'3.00 It, CODE :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========================================================================: DEPTH OF FLOW IN 18~0 INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.9 UPSTREAM NODE ELEVATION = 333.00 DOWNSTREAM NODE ELEVATION = 331.00 FLOWLENGTH(FEET) = 40.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -13.35 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 10.38 FLOW PROCESS FHOM NODE :I. ::::'2. 00 TD NODE ·133.00 IS CODE = . 1 ----------------------------------------------------~-~----------~--~~--. »»>DESIGNATE INDEPENDENT STREAM FOH CONFL.UENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ::::: =::::.:" :::::::: :.:: :::::::::::::: :::::::-.::~::::::::: :::::::::::::::::::::::::::::::: = ::::::: :::::::;: :::: ::::;:::: ~::.;:::::: :::::::: ::::: :::-.: ::;:: ::'.:;::::: ::::::::::::: :::::::; ::::::::::::: ;:::: ::;:: :;::: ::::! !".::::::::::::: :::::"::':'! ::::: -:::: '.:::: ::::: ::::: ::':': !!::: ';::-"'::'::: :;:::.:.:~ ;:=::::;;: ::'!: ::::: ~ CONFLUENCE VALUES USED FOR INDEPEND~NT STREAM 2 AREt • • II I RAINFALL INTENSITY (INCH./HOUR) = 3.95 TOTAL STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUI'1BEn (CF~3) (1·'1H·~.) (INCH/HOL.lR) -----------------------------------------------------------------~------- 1 :3:2. 10 1 1 . BO "'!!, .... flt 634 r~ of::. 1~; • ~3~:.i 10. ~;8 3M 947 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: '-1-4.39 42.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 44.39 TIME(MINUTES) -11.802 TOTAL AREACACRES) = 21.80 ************************************************************************~ FLOW PROCESS FROM NODE 133.00 TO NODE 59.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAnEA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================~===========. PIPEFLOW VELOCITY(FEET/SEC.) = 14.1 UPSTREAM NODE ELEVATION = 331.00 DOWNSTREAM NODE ELEVATION = 315.00 FLDWLENGTH(FEET) = 450.00 MANNINGS N = .D13 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -44.39 TRAVEL TIMECMIN.) = .53 TC(MIN.) = 12.33 1 ************************************************************************~ FLOW PROCESS FROM NODE 1 T3 • 00 TO NOm:: 59.00 IS CODE =" 1 ------------------------------------------------------~------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================================" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 12.33 F~P-\ I NF ('·~LL I NTENE~ I TY (I NCI-·I. / HOUF~) == ~~;. ~::.;::::: TOTAL STREAM AREA (ACRES) = 21.80 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 44.39 FLOW PROCESS FROM NODE 56.00 TO NODE 2 ---------------------------~--------------------------~~----------------. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :::::::::::::::::::-.::::::::::::::::::::::::::::::::::=:::::::::::::::::::::::-.:::::::::::::::.::::::::::::::===-::::::-.:::::::::.-::::::=:::::::::::::-::::::::::::::::::::::-.:::=::::::::::::::::::::::::::-.:::::-.::::=::::::::::::::::::::::::::::.:::::::::::.:::::::::::::==::;:::::::::::::::.:::: SOIL. CI...J'SSIFIC('~TION 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) - 50 YEAR RAINFAll INTENSITYCINCH/Houn> = 4.561 SUBAREA RUNOFFCCFS) - TOTAL AREA (ACRES) = .50 .20 TOTAL. RUNOFF (CFS) - F't ~:~c'c.) .. J" .I •• ,,' i .50 I ****************************~*~*****~********~**************************. FLOW PROCESS FROM NdoE f.i7. 00 TO NODE ;-58 r. 00 I S CODE "-'!: • • • »»>COHPUTE STREETFLOW lRAVELTIME THRU SUBAREA««< ================================================================== UPSTREAM ELEVATION = 359.00 DOWNSTREAM ELEVATION = 315.0! STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) = .020 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.61 STREET FLOWDEPTH(FEET) = .30 HALF STREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.90 PRODUCT OF DEPTH&VELOCITY = 1.16 STREET FLOW TRAVELTIME(MIN) = 4.27 TC(MIN) = 12.57 !:50 YEAR F~A I NF {,~LL I NTENS I TY ( I NCH I HOUm :::: 3. 48S" f:3DIL CU~SSIFICr",TION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 6.10 SUBAREA RUNOF~(CFS) = 11'.71 SUMMED AREA (ACRES) = 6.30 TOTAL RUNOFF (CFS) = 12.21 END DF SUBAREA STREETFLOl>.J HYDRAUL I CS: DEPTH (FEET) = .35 HALF STREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITY(FEET/SEC.) = 4.58 DEPTH*VELOCITY = 1.59 **********************************************************************~ FLOll.J PROCESS FRO!"I I'>IODE 5(;'3.00 TO NODE -------------~---------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< :> >-:> >->U~3ING USER-~)PECI r:-lED P I PEE; I ZE< < < < < =====================================================~===========~~==== DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.1 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 - PIPE~LOW THRU SUBAREA(CFS) -12.21 TRAVEL TIME(MIN.) = .07 TC(MIN.) = 12.64 ***********************************************************************' FLOW PROCESS FROM NODE 58.00 TO NODE 59.00 IS CODE = 1 >->-»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ========================================================~==============: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION (MINUTES) = 12.64 RA I hlF (':~LL I NTE"'~S I T'y' (I NCI'..j. / HOUR) ":~ 3. 4Ei TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 12.21 ***********************~***********************************************' FLOW PROCESS FROM NODE 60.00 TO NODE 61.00 IS CODE ::::: -----------------------------~-----------------------------------------, »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =======================================================================: SOIL CLI~S~HFIC(.rrIm\1 IS "!)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 349.00 Dm!JNSTREf~)t1 EL.E~iAT I ON ".::: ~H7 • 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 • .-. • ************************************************************************ FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 6 »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ======================================================================== UPSTREAM ELEVATION = 347.00 DOWNSTREAM ELEVATION = 318.00 STREET LENGTH (FEET) = 9~0.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMA~) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) = 2.68 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODW1DTH(FEET) = 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.76 PRODUCT OF DEPTH&VELOCITY = STREETFLOW TRAVELTIMECMIN) = 5.73 TC(MIN) = 14.03 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.251 SOIL CLASSIFICATION H3 "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.30 SUBAREA RUNOFF (CFS) -4.11 SUMMED AREACACRES) = 2.50 TOTAL RUNOFF(CFS) -4.61 END OF SUBAREA STREET FLOW HYDRAULICS~ DEPTH (FEET) = .28 HALFSTREET FLOODW1DTH(FEET) = 7.71 FLOW VELOCITY(FEET/SEC.) = 3.24 DEPTH*VELOCITY = .91 ***********************************************************************4 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 PIPEFLOW VELOCITYCFEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 3~2.00 DOWNSTREAM NODE ELEVATION = 321.00 FLoWLENGTH(FEET) = 30.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREACCFS) -4.61 TRAVEL TIMECMIN.) = .06 TC(MIN.) = 14.09 **********************************************************************-FLOW PROCESS FROM NODE 62.<)0 TO !\lODE :;9. 00 IS CDDt :::: ----------------------------~-----------------------------------------. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ====================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 14.09 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 4.61 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt-/IBEF~ ([FS) (I'--IIN.) (INCH!Hc)UF~) 1 4-1.1-. 39 1:~ . ~~::3 3. !:;3~;:: 2 1 :~~. ::~ 1 12. 64 3n 4Tl :~:. 4. 61 1.4. 09 ":!' ,_I" :-2 L~ :.~: • • • 60.64 60.20 56.74 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLoWS~ RUNOFF (CFS) = 60.64 TIME(MINUTES) -12.333 TOTAL AREA(ACRES) = 30.60 ********************************************************************** FLOW PROCESS ~ROM NODE 59.00 TO NODE 118.00 IS CODE = 4' ---~-------------------------------------------------------------~~-~- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ====================================================================== DEPTH OF FLOW IN 36.0 INCH PIPE IS 12.9 INCHES PIPEFLOW VELOCITY(FEET/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 SUBAREACCFS) 60.~4 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 12.38 *********************************************************************** . 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) = 12.38 RAINFALL INTENSITY (INCH./HOUR) = 3.52 TOTAL STREAM AREA (ACRES) = 30.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE ~ 60.64 ***********************************************************************. FLfJ\JJ PROCESS FROI'1 NPDE 110.00 TO NDDE 111 . 00 I S CODE :::: ..... ~ .. --......... -.. --....... -.. --.. ----.. -.. -.. --..... -..... -........ -... ----............................ _ .. __ ... _ ....... _ .......... ;. ..... _ ..... -...................... _--_ .. ,.;-..... ..,. .. -....... _ ....... __ .... _ ....... __ ........ _ ..... _._ .. -. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================================= SOIL CLAt3~:31FIC('HION U3 "D" r~ I NGL.E F f.lt'1 I L Y DEVELOPtvIEt'<lT RUNOFF COEFF I C I E::NT == • ~i~5(!Q INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM EL.EVATION = 351.00 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 TOT (.:IL. (·mEA (/KRES) = . 20 TOT ?~L RUNOFF (CFS) .... . ~50 *********************************************************************** FI....f.JW PFWCESS FF~Cft"t1 I\IODE 111 • 00 TO NODE 11:'2. 00 I S CODE :::: 6 ----------------------------------------------------------------------~ »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =====================================================================~= UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 330.00 STREET LENGTH (FEET) = 750.00 CURB HEIBTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -2.70 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTHCFEET) = 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.78 PRODUCT OF ~EPTH&VElOCITY ~ .69 • • • 50 YEAR RAINFALL INTENSITY(INCH/HDUR) = 3.450 SOIL CLAS5IFIC?H'IDN I~) "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 SUBAREA AREACACRES) = 2.30 SUBAREA RUNOFF(CFS) -4.36 SUMMED AREACACRES)::::: 2.50 TOTAL RUNOFF (CFS) ::::: 4.87 END OF SUBAREA STREETFLDW HYDRAULICS: DEPTI"'I (FEET)::::: . 213 HALFSTRE[';':T FLOODvJ I DTI,-j (FE-ET) = 7' .. 71- FLOW VELOCITYCFEET/SEC.) ::::: 3.41 DEPTH*VELOCITY -.96 ***********************************************************************' FLOW PROCESS FROM NODE 112.00 TO NODE 11 E! • 00 I S. CODE:: :::" ----------------------------------------------------------------~-------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ====================:::::==========================:::::======:::::========:::::~:::::===:::::== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.0 UPSTREAM NODE ELEVATION::::: 330.00 DOWNSTREAM NODE ELEVATION = 314.00 FLO!;'JLENGTH (FEET)::::: 100. 00 1"l?~NN I NGS N • .::: . 0 1 ~::; GIVEN PIPE DIAMETER(INCH)::::: 1-8.00 NUMBER OF PIPES -1- PIPEFLOW THRU SUBAREA<CFS) -4.87 TRtNEL TII''IE::011N.) =" .11 TCnvlIN.)::,.:: 12.90 ***********************************************************************~ FLOW PROCESS FROM NODE 112 .. 00 TO NODE 1. :1. B .. 00 I S CODE:: ::::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===:::::==:::::=============:::::=====:::::==:::::====:::::=======:::::=:::::=============::::::::::~======:::::==== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE= TIME OF CONCENTRATION (MINUTES) ::::: 12.90 RAINFALL INTENSITY (INCH./HOUR) = 3.43 TPTAL STREAM AREA (ACRES)::::: 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE::::: 4.87 *********************************************************************** FLOW PROCESS FROM NODE 1.1.6.00 TO I\IODE 11. 7 • 00 i B CODE "~" ------------------------------------------------------------~----------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==:::::::::::: =.::::: ::::::::: :::==:-.:::::::::::::::::::-.: ::-.:::::::::::::::::::::::::::::::::::::::::::::.::: :::::::::::==::::::::::-.:: =:::::::: :::::::::::::::::::::::::::::;:::::::::: ::::::::::::::::::::::::::: ::::-:::::::::::::::::::::::.::::-.: ::::::::-:::::::::::::::::::::::::::: ::::: :::: :::::::::: == . SOIL... CU~S£HFICfnION IE; 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 FLOW(MINUTES) -9.439 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION .. EXTRAPOLATION OF NOMOGRAPH USED. 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.1.97 SUBAREA RUNOFF (CFS) - TOTAL AREA (ACRES) ::::: .80 TOTAL RUNOFFCCFS) - ,\t' 'iI--J(' '* * -1!',,>!-~, ~~, -l(' * ~'* -)Eo * * * ,*,"Jlo -l(,"Jlo "Jh~ -l!' "il' ,,~, "ih'h"h~' ';'hll, -)lo -j(, '* '* * ,;~, *';i(. -)H(, '* -l(,:* '*, 'j!, ,,!!, ')l"l(, -)l' ,;~, '*, .;" * -)1' -J!-,:~, '~l'"* ,~, ,:~, ,j!,:* -)('i'*' ,*~, ,:~, :j.' {~, FLOW PROCESS 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 4.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.2 UPSTREAM NODE ELEVATION = 319.00 DmJNS'3TPEAH NODE ELEVAT I ON:::: ::~ 1 ·'1,.00 FLDWLENSTH(FEET) = 80.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU 8UBAREACCFS) = 2.85 TnA~/EL T H1E au N.) ':::: . 15 TC (I"UN.)::: 9" 58 ********************************************************************** FLOW PROCESS FROM NODE j,17.00 TO NODE 1.1.8 .. 00 IS CODE ::: 1. ", '" '" " " DEC']' GIIA'l"E I Ilf)E-I''''E'I'IU['''td'l'' '''''l''r'''E'''AI'1 l""()l"" I"'C't 11""L UI-' I' 1('"'[''' ", ", ", ", ", .... ~ .. ' .... ,,:' .,:. .. ..... ;:). J \ _ . \" ':.'-..... \. = .. '1 0 ": -.. \ .-" '...t.,l \ ... .. C:' \1 .~. ::'~'" ............... . »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ====================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM j ARE~ TIME OF CONCENTRATION (MINUTES) = 9.58 RAINFALL INTENSITY ,(INCH./HOUR) = 4.16 TOTAL STREAM AREA (ACRES) = .80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE -2,,85 CONFLUENCE INFORMATION~ STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) -----------------------------------------------------~------------~---- :l bOo (:;A :l:2 n --:~t'1: ..,. 524, ,_I C) _.:'1 .. ~:;:~ 4, • 87 12. 90 311 ./.1,31. 3 2" pt:" :""') t7' II 1:::'0 ,_IU if II 15t::. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR j STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 67.80 66.26 58.29 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 67.80 TIMECMINUTES) -12.376 TOTAL AREA(ACRES) = 33.90 ***********************************************************************~ FLOW PROCESS FROM NODE l1B.00 TD hlODE lZ2. 00 I~:l CD DE ::: »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< =========================================================~===========~=~ 50 YEAR RAINFALL INTENSITY C INCH/HOUR) = 3.524 SOIl.. .. CLnSSIFIC{'H'ION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) -2.40 SUBAREA RUNOFF (CFS) -4.65 TOTAL AREACACRES) -36.30 TOTAL RUNOFF(CFS) ~ 72.45 "lc (t1H,n:::: 12.38 *******************~***************************************************~ FLOW PROCESS FROM NODE 122.00 TO NODE 66.00 IS CODE = 4 -------------------------------------------------------------~---------.' »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ========================::::=======~====================================== . DEPTH OF FLOW IN 48.0 INCH PIPE IS 25.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 1.0.8 UPSTREAM NODE ELEVATION = 288.00 DOWNSTREAM NODE ELEVATION = 283.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N -.013 GIVEN PIPE DIAMETERCINCH) = 48.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -72.45 TRAVEL TIME(MIN.) ~ .77 TC(MIN.) = 13.15 • • I ***********************************************************************~ FLOW PROCESS FROM NODE 122.00 TO NODE 66.00 IS CODE = 1 ------------------------------------------------------------------------ »»>DESIGNATE INDEPENDENT STREAM FOR CoNFLUENCE««< ------------------------------------------------------------------------------------------------------------------------------------------------CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 13.15 RAINFALL INTENSITY (INCH./HoUR) = 3.39 TOTAL STREAM AREA (ACRES) = 36.30 TOTAL STREAM RUNoFFCCFS) AT CONFLUENCE = 72.45 ***********************************************************************« FLOW PROCESS FROM NODE 67.00 TO NODE ba.OO IS CODE = 2 ------------------------------------~--------~-------~------------------ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =====================================================~================== SOIL CLAS:SIFIC?HIDN IS "b" SINGLE FAN I LY DEVEUJPt'1ENT HUI\!OFF COr::FF I C lENT :::: • 5~500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPST~EAM ELEVATION = 291.00 DOWNSTREAM ELEVATION = 289.00 ELEVATION DIFFEHENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLDWCMINUTES) -8.299 50 YEAR RAINFALL INTENSITY(lNCH/HOUR) = 4.561 SUBAREA RUNOFF (CFS) -.50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) -.50 ***********************************************************************~ FLOW PROCESS FROM NODE 68. 00 TO NOJ.)E 66.00 IS CODE ::: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =======================================================================: UPSTREAM ELEVATION = 290.00 DOWNSTREAM ELEVATION = 282.00 STREET LENGTH(FEET) = 800.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 StREET CROSSFALLlDECI~AL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRyiNG RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFSr -3.66 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 {.WER(4GE FL..m··J l,iELDC I TY (FEET I SEC.) -.. :2. 16 PRODUCT OF DEPTH&VELOCITY = .64 STREET~LOW TRAVELTIMECMIN) = 6.18 TC(MIN) = 14.47 50 YEAR RAINFALL INTENSITY(INCH!HOUR) = 3.186 t:;O I L C::L?~~3S I F I Cf~T I 01\4 I tl II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFFCCFS) -6.31 SUMMED AREA(ACRES) = 3.80 TOTAL RUNOFF(CFS) = b.81 END DF SUB{4REA STHEETFL..D~·J t-·IYDR(iUL. I CS: . DEPTH (FEET) = .35 HALFSTREET FLOODWIDtH(FEE1) = 11.02 FLOW VELOCITY(FEET/SEC.) = 2.55 DEPTH*VELOCITY = .89 ********************************************************************** FLOW PROCESS FROM NDDE 6-8.00 TO NDDE 61.:.: •• 00 I E3 com:: ::: i . ': ------------------------~--------------------------------------------->:> >:> >DESI G~,IATE I NDEPENDEI\~'r STnEt=)t'1 FDF~ CDhIFLUEt'·.ICE< < < -:::-::: . --------------------------------------------------------------------------------------------------------------------------------------r-----CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 AnE: TIME OF CONCENTRATION(MINUTES) = 14.47 RAINFALL INTENSITY (INCH./HOUR) = 3.19 TOTAL STREAM AREA (ACRES) ~ 3,8Q " ..... ------------------------,----------------------------- • • I .* -ji. ~~-* 1i. ~~-* ~~. * oj(--1!' ,*.:>!-,r{--l(-'li-* -j!-.* -J(. ,*--ll' "if· -J( •• * -j(-,*. ,* .. ?!--j(. * .;'!. -J!--:!-,,~. -t!. ,\!--ii . .;~-'* -J(. -ii-"J!-';'l--i! •. ~ -)I. ';'\-.;'t ';'l-';'l-,'I' ·il· -ii' .:~. ~ .. ~ ~'H!' -:~-~~. -:~. ·il· i~ -j~ .t(. -}i--:,~-~'li' ·ii FLOW PROCESS FROM NODE 63 .. 00 TO NODE 64.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================================== SOIL CLASSIFICATH)~~ IS "Oil SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 306.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF (CFS) - TOTAL AREA (ACRES) = .5!) .20 TOTAL RUNOFFCCFS) - **********************************************************************. FLOW PROCESS FROM NODE 64.00 TO NODE 65.00 IS CODE = 6 ... -.. --.............. " ...... -.... -.-..... -.... --..... --.. --....... ~ .......... --.-._ ....... _._ ............. -_ ..... _ ................ _ ....... _ .. _ ..................... _ ..... " ... -_ ....... _ ..... _ ... __ ....... -....... -!<.-............. __ ............... -....... _ .. . »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==========================================================~===========~ UPSTREAM ELEVATION = 305.00 DOWNSTREAM ELEVATION = :282.00 STREET LENGTHCFEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = -'1 ' • I ~J STREETFLOW TRAVELTIMECMIN) = 5.24 2,,86 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.326 SOIL CL{"ISSIFIC("YrION H3 "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 3.10 SUBAREA RUNOFF(CFS) - SUMMED AREACACRES) = 3.30 TOTAL RUNOFF (CFS) - END OF SUBAREA STREETFLOW HYDRAULICS: -r '''rM .~) It ") "7 5.67 6" 1-7 DEPTH (FEET) = .30 HALF STREET FLOODWIDTH(FEET) -8.54 FLOW VELOCITYCFEET/SEC.) = 3.64 D~PTH*VELOCITY = 1.08 FLOW PROCESS FROM NODE 65 r. 00 TO I\IODE 66.(10 H3 CDDE ::::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< .. 0200 ================~====================================================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.9 INCHES PIPEFLoW VELOCITY(FEET/SEC.) = 7.1 UPSTREAM NODE ELEVATION = 283.00 DOWNSTREAM NODE ELEVATION = 282.00 FLOWLENGTH(FtET) = 60.00 MANNIN6S N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -6.17 TRAVEL TIME(MIN~) ~ .14 TCCMIN.) -13.68 :l *********************************************************************** FLOW PROCESS FROM NODE 6::5. 00 TO NODE 66.00 IS CODE = 1 ---------------------------------------------------------~------------- »»>DESIGNATE IND~PENDENT SlREAM FOR CONFLUENCE««< • • I ================~======================================================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE~ TIME OF CONCENTRATION (MINUTES) = 13.68 RAINFALL INTENSITY (INCH.!HOUR) = 3.30 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -6.17 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 72. 4~5 13. 1.5 ~5l1 ~3f39 2 6. 81 1LL 47 3. 18(.71 ~~:; 1.:>. 17 1.3. 1.:>8 ~:; a ::::;Oll· RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 84.87 80.86 83.36 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 84.87 TIME(MINUTES) -13.150 TOTAL AREA (ACRES) = 43.40 ***********************************************************************~ FLOW PROCESS FROM NODE 120.00 IS CODE = ---------------~-------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================================== ~:30 I L CLASS I F I C?YrI (:)1\\ I SliD" SINGLE FAMILY DEVELOPMENT RUNOFF Co~FFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 306.00 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 120 .. 00 TO I\IODE 121..00 IS CODE = ------------------------------------~----------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ==================~=======================~=================~=========~ UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 288.00 STREET LENGTH (FEET) = 450.00 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) -3.11 STREET FLOWDEPTH(FEET) = .23 HALF STREET FLOODWIDTH(FEET) = 5.23 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.97 PRODUCT OF DEPTH&VELoCITY = .92 STREETFLOW TRAYELTIME(MIN) = 1.89 TCCMIN) = 10~19 :;0 YEAF~ R?HNF{·~LL_ INTENSITY (INCH/HDtJFn = 3.9-96 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.40 SUBAREA RUNoFF(CFS) -5.27 . SUMMED AREAtACRES) = 2.60 TOTAL RUNOFF(CFS) = 5.78 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .28 HALFSTREET ~LOoDWIDTH(FEET) = 7.71 FLOttJ '.JELDC I TV (FEET / SEC.) --4-. 05 DEF'TH*Vr::UJC I TY::: :l • 14 , . ~.~.,. ~ • '\ • I *********************************************************************~ FLOW PROCESS FROM NODE 69.00 TO NODE 70.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==============~=====================================~================~= SOIL CLAS~3IFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-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 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBM~EA RUNOFF (CFS) --. 50 TOTAL A~EACACRES) = .20 TOtAL RUNOFF(CFS) -.50 ********************************************************************** FLOW PROCESS FROM NODE 70.00 TO NODE 71.00 IS CODE = 6 ----------------------------------------------------------------------, »»>COMPUTE STREET FLOW 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 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.80 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.77 PRODUCT OF DEPT~'1g,:VELOC I TY ::::: 1 • 34 STREET FLOW TRAVELTIME(MIN) = 3.49 TC(MIN) = 11.79 50 YEAR RAINFALL INTENSITY(INCH/HoUR) ::::: 3.636 SOIL CLASSIFICATION IS 111)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 SUBAREA AREA(ACRES)::::: 6.10 SUBAREA RUNOFFCCFS) -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 ***********************************************************************~ 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 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION ::::: DOWNSTREAM NODE ELEVATION ::::: FLOWLENGTH(FEET) = 80.00 GIVEN PiPE DIAMETERCINCH),= PIPEFLOW THRU SUBAREA(CFS) - TRAVEL TIME(MIN.)::::: .12 :277' II <)() 274.00 MANNINGS N::::: .013 24.00 NUMBER OF PIPES -1, 12.70 TC (rH N.) --:ll • 91. **********************************~************************************' , F'LDIrJ F'RoCEBS FFi:DM NDDE 71 • 00 TO "¥JDE 7(-3. 00 IS G(JOE = :1. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =======:::::=:::::==::::::::::==:::::===:::::========================:::::=:::::=:::::==:::::==::::::=====::::::::::==~==== •• • I nr.:d !"~F PiLl... I hITEhl~:31l '{ (1\-.I[H. / HCJl..JF~ i ::: :~;" (::,:1. TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = ************************************************************************. FLOW PROCESS FROM NODE 72.00 TO NODE TS. 00 I S CODE ::: ------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =====================d================================================== f3UIL CLJ1S~:;rFICf·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 SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) ~ .50 TOTAL AREACACRES) = TOTAL ~UNOFF(CFS) -.50 ************************************************************************ FLm·J F'F\OCES3S FF~ot'l NODE T::'.OO TO ~mDE -llLOO IS CODE i:::: ----------------------------------------------------------------------~-»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ====================================================::::=================== UPSTREAM ELEVATION = 323.00 DOWNSTREAM ELEVATION ~ 275.00 STREET LENGTH (FEET) = 850.00 CURB HEIGTHCINCHES) :::: 6. STREET HALFWIDTH(FEET) :::: 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF:::: 2 **TRAVElTIME COMPUTED USING MEAN FLOW(CFS) -3.~0 STREET FLOWDEPTHCFEET):::: .2j HAlFSTREET FLOODWIDTHCFEET) = 5.23 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.08 PRODUCT OF DEPTH&VELOCITY = .94 STREET FLOW TRAVELTIME(MIN):::: 3.47 TC(MIN):::: 11.77 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.641 SOIL CLPISSIFICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 BUB(.7H-(E{~ M~EA ({~iCF:EE1):::: 2. 70 SUB{~RE(·~ RUNOFF (eFS) -. ~:5. Lf·1. SUMMED AREA (ACRES) = 2.90 TOTAL RUNOFFCCFS) -5.91 END OF SUBAREA STREETFlOW HYDRAULICS: DEPTH (FEET) :::: .26 HALFSTREET FLOODWIDTH(FEET) -6.88 FLOW VELOCITY(FEET/SEC.) = 4.99 DEPTH*VELOCITY = 1.32 ********************************************************************** FLOW PROCESS FROM NODE 74.(~ TO NODE 78.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< :>:>:>:> >U~3 I NG U!3E:R--SPEC I F I ED F' I PE~3 I ZE< < < <: < ============::::========::::=========::::=======::::=========::::=~===============::::== 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 DIAMETER CINCH) :::: 18~OO NUMBER OF PIPES - PIPEFLOW THRU SU8AREA(CFS) -5.91 TRAVEL TIME(MIN.) = .11 TCCMIN.) = 11..88 1 • • I »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===~~===~====~===========~==========================~================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATIONCMINUTES) = 11.88 RAINFALL INTENSITY (INCH./HOUR) = 3.62 TOTAL STREAM AREA (ACRES) = 2.90 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 5.91 ********************************************************************** FLOW PROCESS FROM NODE 75. 00 TO l'mDE 7(;).00 IS CODE ::: -------------------------~-------------------~------------------------ > > > > >F~AT IONAL t'1ETHcm I t;l I T I AL !'3UBAF\~EA ANALYS I S< <: < < < =========================================~=======~============~======= SOIL CLASSIFICr-iTION IS IIf)1! 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 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFFCCFS) -.50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.50 *********************************************************************** FLDW PROCESS FROM NODE 76.00 TO NODE 77.00 IS CODE :::: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ====================================~===========~==================~===~ UPSTREAM ELEVATION = 317.00 DOWNSTREAM ELEVATION :::: f:3TF~EET LENGn, (FEET):::: n50. 00 CI..JHB \-.. IE I 13TH ( INCHES) :::: /:::.." STREET HALFWIDTH(FEET) :::: 28.00 STREET CROSSFALL(DECI~IAL) - SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF:::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTHCFEET) = .20 HALFSTREET FLOODWIDTH(FEET) :::: 3 .. 5~7 AVERAGE FLOW VELOCITYCFEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = .... r,.., • l.t::. STREETFLOW TRAVELTIMECMIN) = 3.43 :;::;.64 50 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 3.649 SOIL CLASSIFIC?HIClN IS t!Dt! 11. T::' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT ~ .5500 lit 79 SUBAREA AREA(ACRES) ~ 1.30 SUBAREA RUNOFF (CFS) -2./:::,,1 SUMMED AREACACRES) = 1.50 TOTAL RUNOFF(CFS) -3.11 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH(FEET) = .23 HALFSTREET FLOODWIDTH(FtET) -5.23 FLOW VELOCITY(FEET/SEC.) = 3.97 DEPTH*VELOCITY:::: .92 .0200 ************************************************************************ FLOW PROCESS FROM NODE 77.00 TO NODE 78.00 IS CODE = 4 »»>COMPUTE PI~EFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =========::::==============================~==========================~==== DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.~ INCHES . 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 ....... ) .., • lRAVEL TIMECMIN.) ::: TC(MIN.) -11.88 ***********************************~************************************ F~OW PROCE6S FROM NODE 77.00 TO NODE '78. (1) I S CODE:: ::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :l ==========================~=============::::::========================~====::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) ::: 11.88 nAINFALL INTENElITY (INCJ-I. n .. ICJUR)::: ~.::.. 62 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE::: 3.11 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MI~.) CINCH/HOUR) ---------------------------------------------------------~-------------- 1 1 ~2_" 70 1 1 · 9:1. ·'r . .::, . C~ 1~'::' ,.\ c:-91 1 1 88 ":r 619 .f::. ,J. · ,_I H 3 3. 1 1 1 1 · 88 .. ~: ,_1 " 6H3 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED,~UNOFF VALUES ARE AS FOLLOWS: 21.71 21.70 21.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 2:1..71 TIMECMINUTES) -11~908 TOTAL AREA (ACRES) = ************************************************************************ FLOW PROCESS FROM NODE 78.00 TO NODE 82.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< :::::::::::::::::::::::::: ::::: ::::::::::::::: ::::::: ::-.:::::::=::::::=:::::::::-.: ==:::::::::::::::::::::::.::::-.::::::: =::::::.:::-.:::::: = ::::::::: :::::::::::::::::::::::: ::::: ::::::-.: ::::::.:::::::::::: :::::::::::::::::: ~-::::::::::: :::::::::::::::::::::::::::;::::::::: ::= !:::"=::::: == :::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.)::: 14.9 UPSTREAM NODE ELEVATION = 274.00 DOWNSTREAM NODE ELEVATION::: 258.00 FLOWLENGTHCFEET)::: 300.00 MANNINGS N::: .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES -:l PIPEFLOW THRU SUBAREACCFS) -21.71 TRAVEL TIME(MIN.) = .33 TC(MIN.) = :1.2.24 **********************************************************************' 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 CONCENTRATIONCMINUTES) = 12.24 RAINFALL INTENSITY (INCH./HOUR) = 3.55 TOTAL STREAM AREA (ACRES) = 10.70 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 21.71 ********************************************************************** 'FLOW PROCESS FROM NODE 83.00 TO NODE 84.00 IS CODE = 21 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================================== SO 1 LCLr-)~3B I F I CAT I Cll",,~ 1 B II D II to : •••• • • I INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION = 343.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIMt OF FLoW(MINUTES) -6.299 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNoFF(CFS) ~ .50 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) -.50 ********************************************************************** FLOW PROCESS FROM NODE f:34·. 00 TO !"--IODE f:3:l.00 IS C(JDE ::::: ---------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==:::::=:::::==:::::==========================::::::::::==:::::=======:::::=~===================== UPSTREAM ELEVATION::::: 343.00 DOWNSTREAM ELEVATION::::: 259.00 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) -6.56 STREET FLOWDEPTH(FEET) = .26 HALF STREET FLOODWIDTH(FEET)::::: 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) -5.54 PRODUCT OF DEPTH&VELOCITY ::::: 1.46 STREET FLOW TRAVELTIME(MIN)::::: 3.01 TC(MIN) = 11.30 50 YEAR RAINFALL INTENSITY(INCH/HOUR) ::::: 3.7j6 ElOII .... CUif.)SIFIC~lTION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 5.90 SUBAREA RUNOFFCCFS) -12.12 SUMMED AREA(ACRES)::::: 6.10 TOTAL RUNOFF (CFS) -12.63 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .31 HALF STREET FLOODWIDTH(FEET) ::::: 9.37 FLOW VELOCITY(FEET/SEC.) = 6.34 DEPTH*VELOCtTY = 1.99 FLOW PROCESS FROM NODE Bl.00 TO NODE B2.00 IS CODE ::::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =:::::==::::::::::==:::::=:::::===:::::===========:::::========:::::=========:::::======:::::==========~======~=: DEF'TH OF FLOv4 IN 18.0 INCH PIPE I~1 J.:I.. 2 INf'::I···IEB PIPEFLOW VELOCITY(FEET/SEC.) = 10.9 UPSTREAM NODE ELEVATION::::: 259.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 30.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -12.63 TRAVEL TIME(MIN.) = .05 TC(MIN.)::::: 11.35 ************************************************************************ FLOW PROCESS FROM NODE 81 • 00 TO f..,I(JDE B2 .. 00 lS CDDE =:: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::: :::::::::~::::::::: !"-":::::::::::.::::: == ::::::::: ::::::::::::::::: ::::::::::::::::: :::::= ::::: :::=:::: ::!::::::: :::::::-.:::-.:::::::::: :. .. .::::: ::::: :.:::::: ::::::::: :::::::: :'.::::::::::::::::: :-.::: :::::;::::::::::.: =::::::::::::::.": :::;:::::: :::-.: ::::: ::::::::::::::::::::::::: ::::: :::::.::::: ::::::.::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATIONCMINUTES)::::: 11.35 RAINFALL INTENSITY (INCH./HOUR) = ~.73· TOTAL STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.63 -. • , ----------------------------~---------------------------------------~---»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================================== SOIL CL(')SSIFICATION IS "D" 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 FLOWCMINUTES) -8.299 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.561 SUBAREA RUNOFF(~FS) -.50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) -.50 ************************************************************************-FLOW PROCESS FROM NODE 86.00 TO NODE 87.00 IS CODE =6 ------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =================~================================~=====================: UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 269.00 STREET LENGTHCFEET) = 900.00 CURB HEIGTH(INCHES) ~ 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) 3.39 STREET FLOWDEPTH(FEET)::::: .23 HALFSTREET FLOODWIDTHCFEET)::::: 5.23 AVERAGE FLOW VELOCITYCFEET/SEC.) -4.33 PRODUCT OF DEPTH&VELOCITY ::::: t.OO STREET FLOW TRAVELTIMECMIN)::::: 3.46 TC(l"lIl'n::: 11.76 50 YEfiF< F:A I NFALL I NT ENS I TY C I NCH/HOUn) ::::: ~:.. 642 SCJIl CU4S!:1IFICATIOI" IS "0" F.3INGLE: FMlILY DE-:::~)ELOPt"IENT F~LihIOFF COEFT-ICIEHT ::::: .~5~)O() SUBAREA AREA (ACRES) ::::: 2.80 SUBAREA RUNOFF (CFS) -5.61 SUMMED AREA (ACRES) ::::: 3.00 TOTAL RUNOFFCCFS) -6.11 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) ::::: .26 HALFSTnEET FLOODWIDTH(FEET) -6.88 FLOW VELOCITYCFEET/SEC.) = 5.16 DEPTH*VELOCITY = 1.36 -*-* -lE-* * *-*--)I--*-~,~ -J(-:*""* ~-* * ~!-* ,'!-*.;(-it-~~-*-1!-"'l!-* *-,\t--*-*--x-"~--x-* -* :!.-.;~--)!-*-* ,1(-:)(--~ -~-.;.~ -it-~i(-,1(-c!!--)t -l\--J!-"I{-* -J!-* -i\-''!-1~ C;(_ -*-,1\-"!-,* 1'-"!--)!-~-"!-*- FLOW PROCESS FROM NODE 87.00 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 5.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.0 UPSTREAM NODE ELEVATION::::: 269.00 DOWNSTR£AM NODE ELEVATION = 258.00 FLm'JLE:}-.I(::rn-1 (FEET)::::: 100. 00 I-'I{-~NN I t\IGS N::::: • 0 1 ~;:. GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREACCFS) -6.11 TRAVEL TIME(MIN.) = .12 TCCMIN.)::::: 11.88 ********************************************************************** FLOW PROCESS FROM NODE 87.00 TO NODE 82.00 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) = 11.88 .: . • • I TOTAL STREAM AREA (ACRES) = 3.00 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE -6.11 CONFLUENCE INFORMATION~ STREJ~M RUNOFF T I t-iE I NTEI'·m I TY NUI'1BEH (CFS) Ct'l1 1'-.1.) ( I NCH I HOUP) ---------------------------------------------------------------------_. 1 21 . 71 12. 24 3. 54(1' ~~ 12. 63 1 1 . ::-$5 3. 726 -:r .... ' 6. 1 1 1 1 . 88 "'j' ·'::.tI ,::>1 CT' RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES AHE AS FOLLOWS: 39.72 39.f:.6 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 39.72 TIME(MINUTES) -12.243 TOTAL AREA CACHES) = 19.80 **********************************************************************~ FLOW PPOCESS FROM NODE 82.00 TO NODE 88.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USEP-SPECIFIED PIPESIZE««< ==============================================~======================== DEPTH OF FLOW IN 36.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.9 UPSTREAM NODE ELEVATION = 258.00 DOWNSTREAM NODE ELEVATION = 243.00 FLOWLENGTH(FEET) = 350.00 NANNINGS N = .013 GIVEN PIPE D I ?'~1"1ETER ( I NeH) :::", ~::;6. 00 hlUtvlJ:3EJi OF P I PES ... PIPEFLOW THRU SUBAREA (CFS) -39.72 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 12.61 ************************************************************************ 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) = 12.61 RAINFALL INTENSITY CINCH./HOUR) = 3.48 TOTAL STHEAM AREA (ACRES) = 19.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 39.72 FLOW PROCESS FROM NODE 8(1'. 00 TO NODE 90.00 IS CODE :::: -----------------------------------------------------------------------_. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==============================================~=======~=================: f30IL CU:~SSIFIC(nION I~3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTPEAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 ELEVATION DIFFEPENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTESl -8.299 50 YEAH RAINFALL INTENSITY(INCH/HOUR) = 4.561 'SUBAREA RUNOFF (CFS) -.50 TOTAL AREA CACHES) = .20 TOTAL HUNOFFCCFS) = .50 • • I ------------------------------------------------------------------------. »»>COMPUTE STREET FLOW TRAVELTI~IE THRU SUBAREA««< ------------------------------------------------------------------------------------------------------------------------------------------------UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTHCFEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.40 STREET FLOWDEPTHCFEET) = .33 HALFSTREET FLOODWIDTHCFEET) = 10.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.76 PRODUCT OF DEPTH&VELOCITY = .91 STREET FLOW TRAVELTIME(MI~) = 5.43 TC(MIN) = 13ri73 50 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.297 SOl I... Cl..{:)SSI F I Cf4TI ON IS "f.)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.30 SUBAREA RUNOFF (CFS) -11.42 SUMMED AREACACRES) = 6.50 TOTAL RUNOFFCCFS) -11.92 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH(FEET) -12.68 FLOW VELOCITYCFEET/SEC.) = 3.45 DEPTH*VELOCITY = 1.31 ************************************************************************i FLOW PROCESS FROM NODE 91.00 TO N[)DE 97.00 1£1 CODE ::::: LI· ------------------------------------~---------------------------~-------. »»>COMPUTE PIPEFLOW TRAVELTIME THRO SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< :::: = ::"-":::::: =.::::: ::::::::: ::::: :::::-:::::::: :::::::: :::~::::: !::: :-.. ": :::::::-.:::::::::::::: ::.-: ::::::::::::::: :::::::::: ::.:: ::::::::::::= :::: ::::: ::::: ::::::::::: ::::::::::::;: :::: :::::::::::::::::::::::: ::::: :;::: :::;: :::-.: ::::: :::::::::: :::: :::.:: ::::: :::: ~.::: ::::: ::::: ::.::: :;::! ::::: ::::::::: :::-.: ::::: :;::::::.-: ::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 277.00 D[)WNSTREAM NODE ELEVATION = 268.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) -11.92 TRAVEL TIME(MIN.) = .48 TC(MIN.) = 14.21 ***********************************************************************. FLOW PROCESS FROM NODE 92.00 TO NDDE 9~5. 00 I S CODE :::"" 2 ----------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================================= SDIL CL .. ('4SSIFICATIDN IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 294.00 DO\.tJNSTREf-H1 ELE\,'AT ION !!'.:: 292. 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 93.00 TO NODE 94.00 IS CODE = 6 ---------------------------------------------------------------~------. ;»»COMPUTE STREETFLbw TRAVELTIME THRU SUBAREA««< ====================================================================== UPSTREAM ELEVATION = 292.00 STREET LENGTH(FEET) = 900.00 STREET HALFWIDTH(FEET) = ~S.OO DOWNSTREAM ELEVATION = 269.00 CURB HEIGTH(INCHES) = 6. $THEET CRDS~3F fiL .. L (DEC I t'1(·)L.). ~.-:: • 0200 • • I **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.71 STREET FLOWDEPTHCFEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.37 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.37 PRODUCT OF DEPTH&VELOCITY = STREET FLOW TRAVELTIME(MIN) = 4.45 1.06 TC (M H-n :.:: 12,. 7~:i 50 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.457 SOIL. CLASSIFICf~TIDbl IS "0" SfNGL.E FAMILY DEVEL.OPMENT 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 STREETFLOW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODWIDTHCFEET) -11.85 FLOW VELOCITYCFEET/SEC.) = 4.16 DEPTH*VELOCITY = 1.51 **********************************************************************~' FLOW PROCESS 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 PIPEFLDW VELOCITY(FEET/SEC.) = 8.2 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE ELEVATION = 268.00 FLOWLENGTHCFEET) ~ 60.00 MANNINBS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -12.67 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 12.87 1 ************************************************************************ FLOW PROCESS FROM NODE 94.00 TO l'mDE (1'l.00 IE CODE :::: >-> >-> >('~DD I T I ON OF SLJBAFU::f~ TO 1'1 A I hlL I NE Pr::~AK FLOvJ< <: <: <: < =::::=======================::::=====::::======::::=================================: 50 YEAR RAINFALL INTENSITY (INCH/HDUR) = 3.436 E)O I L.. CU4~3S I F I C{;n' I ON IE3 "b" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) -6.30 SUBAREA RUNOFF(CFS) -11.90 TOTAL AREA(ACRES) -12.90 TOtAL RUNOFF(CFS) = 24.57 TC(MIN) = 12.87 ************************************************************************i FLOW PROCESS FROM NODE 97.00 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 9.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 268.00 DDllJNSTREAl'l hlODE ELEV('~T I ON = 24·::~. 00 FLOWL..ENGTH(FEET) = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -24.57 TRAVEL TIME(MtN.):::: .35 TC(MIN.) =' 13.22 :I. ************************************************************************ FLOW PROCESS FROM NO~E 97.00 TO NODE 88.00 IS CODE = :I. ------------------------------------------------------------------------ • • I ===================================================~==================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION (MINUtES) = 13.22 .RAINFALL INTENSITY (INCH.!HOUR) = 3.38 TOTAL STREAM AREA (ACRES) = 12.90 TdTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.57 oj!. -)(0 * ~!. * -)!. * -:.! • .;n.. -;t ")(. "~."* 1!' * * 1!' "* -¥.. * 11· -)!-"ll' iE· 7!. "'I' -)1. * * -)!-.iI.-,'1'"'* ,~. -)I. * "*. ".t -)I. "'l-1!' * ,1(. ,p!-"'I' ,* -x· ·M· ",~. -)!-"iI· .*. "Ii· .;~. ,1, "It· "*. "i\-,* ';'i' ~!. ·ti· "i! •. :~ • .;~. -i~' "II· ," ,>t "l!' .;>!. -}l' • FLOW PROCESS FROM NODE 95.00 TO NODE 96.00 IS CODE = 2 --------------------------------------------------------~~--------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===================================================================~====: SOIL CLASSIFICATIDN H3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICltNT = .5500 INITIAL SUBAREA FLDW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 278.00 ELEVATION DIF~ERENCE = 2.00 URBAN SUBAr-t:EA OVERU~ND T IJ1E OF FLOW (t·1 I NUTEB) ... 8. 2'-=fcl' 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.561 SUBAREA RUNOFF(CFS) -.50 TOTAL AREA (ACRES) = .20 TOTAL RUNOFFCCFS) -.50 . .~ ************************************************************************.; ~ FLOW PROCESS FROM NODE 96.00 TO NODE 98.00 IS CODE = 6 -------------------------------------------------------~----------------. »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =========::::::::::======:::::::::::::::=~===============~============~====================:::::: UPSTF~E(')M ELEV(~TION = 278. 00 Do~4NSTHEI!:~tI··'1 ELEvtn'ION :::: 244.00 STHEET LENGTH(FEET)::::: 500.00 CURB HEIGTH(INCHES) = 6 . STREET HALFWIDTH(FEET) ::::: 28.0~ STREET CROSSFALL(DECIMAL) -.0200 BPECIFIED NUMBER OF HAlFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -4.04 STREET FLOWDEPTH(FEET)::::: .25 HALFSTREET FLOODWIDTH(FEET)::::: 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -4.17 PRODUCT OF DEPTH&VELOCITY ::::: 1.03 STREETFL..Ol'J TI:;:AVELT II'lE (Iv1 IN) = 2" 00 TC (Ivl IN)::::: :l (1" ~~O 50 YEAR RAINFALL INTENSITY(INCH/HoUR) = 3.968 ~1DIL CL(.:~SSIFIC('H·ICJN IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 SUBAREA AHEA(ACRES) = 3.20 SUBAREA RUNOFF (CFS) -6.98 BUMtT1ED M~EA (ACRE~:))::::: ~r.. 40 TOTAL. HUr···.IDFF (CFS) .... ? . ./.f·8 END OF SUBAREA STREET FLOW HYDRAULICS~ DEPTH (FEET) = .28 HALFSTREET FLOODWIDTHfFEET) -7.71 FLOW VELDCITY(FEET!SEC~) = 5.25 DEPTH*VELOCITY = 1.47 **********************************************************************~ FLOW PROCESS FROM NODE 9f:3.00 TO NODE 88.00 IS CODE ::: »»>COMPUTE PIPEFL.DW TRAVELTIME THRU SUBAREA««< »»>USING USER-··BPECIFIED PIPESIZE««< ===:::::========:::::====:::::=============================:::::===============:::::======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.8 iNCHES PIPEFLOW VELOCITYCFEET!SEC.)::::: 10.3 UPSTREAM NODE ELEVATION = 245.00 mJWNSTREAM NODE ELEVATION::::: 243.00 FLOWlENGTH(FEET) = 50.00 MANNINGS N -.013 GIVEN PIPE DIAMETERCINCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) -7.48 TRAVEL TIME(MIN.) = .. 08 TC{MIN.) = 10.38 • • I ********************************************************************** FLOW PROCESS FROM NODE 98.00 TO NODE 88.00 IS CODE = 1 ---------------------------------------------------~------------------ :>:>:>:> :>DES I GN{:~'rE I NDEPENDE:NT ETF;:EP!t1 FDH CONFI.. .. t...!E!\ICE<: <: < -::: <: »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< =======================~=================================~============: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION (MINUTES) = 10.38 RAINFALL INTENSITY (INCH.!HOUR) = 3.95 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE ~ 7.48 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY t·-.tUt'"1BEf~: (CFS) (lvIH·.I.) (INCH/HOUR) --------------------~-------------------------------------------------- 1 ~$9 • "11"'.\ I .J! •• 1.2!t 61-~311 ·4f:~;:~ 2 ~~it • ~:37 13ft '""· .. ··1 .,::'.:::' 3:J .. ... ""7 ... '" .. ::-I I .. :!' .... ' ...., I • 4E-) 10. :~::8 -:r • ... 1 " 94B RAINFALL-INTENSITY-RATIO CONFLUENCE ~ORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 70.16 69.50 63.54 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS~ RUNOFF (CFS) = 70.16 TIME(MINUTES) -12.610 TOTAL AREA (ACRES) = 36.10 ************************************************************************ FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 2 ------------------------------------------------------------------------ ==========================================================~============= SOIL CL.('~f3SIFIC(:)TION IS liD" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMDGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.49(MINUTES) INITIAL. SUBAREA FLOW-LENGTH(FEET) -900.00 UPSTREAM ELEVATION = 425.00 DOWNSTREAM ELEVATION = 330.00 ELEVATION DIFFERENCE = 95.00 50 YEAR RAINFALL INTENSITY (INCH/HOUR) -3.333 SUBAREA RUNOFF (CFS) -8.40 TOTAL AREA(ACRES) = TOTAL RUNOFF (CFS) -8.40 ************************************************************************~ FLOW PROCESS FROM NODE 101.00 TO NODE 103.00 IS CODE = 4 -------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< :»»>USING USER-SPECIFIED PIPESIZE««< ========================================================~===============: DEPTH OF FLOW IN lB.O INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.1 . UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = 328.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -8.40 ~RAVEL TIME(MIN.) = .20 TC(MIN.) = 13.70 FLOW PROCESS FROM NODE 101.00 TO NODE • • I ======================================~================================~. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION(MINUTES) = 13.70 RAINFALL INTENSITY (INCH./HOUR) = 3.30 TOTAL STREAM AREA (ACRES) = 5.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.4<) ************************************************************************,. FLOW PROCESS FROM NODE 102.00 TO NODE 103.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =======================~================================================:. ~30IL.. CLPISSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFIC1ENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.80(MINUTES) INITIAL SUBAREA FLOW-LENGTHCFEET) -700.00 UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATIQN = 328.00 ELEVATION DIFFERENCE = 12.00 50 YEAR RAINFALL INTENSITY(INCH/HOURJ -3.011 SUBAREA RUNOFF(CFS) -2.98 TOTAL AREA(ACRES) = 1.80 TOTAL RUNOFF(CFS) -2.98 ************************************************************************~. FLOW PROCESS FROM NODE 102.00 TO NODE 103. 00 IS CDDE :::: -----------------------------------------------------------------------_. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALU~S««< ==============================~===============================~========= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION(MINUTES) = 15.80 RAINFALL INTENSITY (INCH./HOUR) = 3.01 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -2.98 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUtoJlBEH (CFS) (1'''1 IN.) ( I NCI"'II HOUF~) -~--------------------------------------------------------------------_. 1 E3.40 ,. ... Mn .( ... '70 15.80 ~::.. 01:l RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 11. 12 1. 0.64 COMPUTED CO~WLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 11.12 TIME(MINUTES) -13.699 TOTAL AREA (ACRES) = 7.40 **********************************************************************~ FLOW PROCESS FROM NODE 103.00 TO NODE 104.00 IS CODE = 4 -----------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =============~=~==~=========================~===================~====== D~PTH OF FLOW IN 24.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.9 UPSTREAM NODE ELEVATION = 328.00 DOWNSTREAM NODE ELEVATION = 307.00 FLOWLENGTH(FEET) = 150.00 MANNINGS N -.013 • • I PIPEFLOW THRU SUBAREA (CFS) -11.12 TRAVEL TIMECMIN.) -1.27 TCCMIN.) -14.97 **********************************************************************. FLOW PROCESS FROM NODE 103.00 TO NOOE 104.00 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =====================================================~===~===========~= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AR~~ TIME OF CONCENTRATION (MINUTES) = 14.97 RAINFALL INTENSITY (INCH./HOUR) = 3.12 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF (CFS). AT CON~LUENCE -11.12 *********************************************************************** FLOW PROCESS FROM NODE 105.00 TO NODE 106.00 IS CODE = 2 ----------------------------------------------------------------~-----~ »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ======================================================~~===============. SDII... CLASSIFIC(HION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 312.00 DOWNSTREAM ELEVATION = 310.00 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 AREACACRES) = .20 TOTAL RUNOFFCCFS) -.50 ************************************************************************. FLOW PROCESS FROM NODE 106.00 TD NODE 107. 00 I ~:~ CODE ::::: . .: . ': »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ! :" =======================================================~===========~====: UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = 307.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTHCINCHES) = 6. tHf~EET HALF\.tJIDTI-·1 (FEET> ::::: 28. 00 STF~EET CRDElDFALL WECH'I{:lU ".' ,,0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -6.25 STREET FLOWDEPTHCFEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.51 AVERAGE FLOW VELOCITYC~EET/SEC.) = 1.61 PRODUCT OF DEPTH&VELDCITY = .64 STREET FLOW TRAVELTIMECMIN) ~ 9.33 TCCMIN) = 17.63 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.806 SOIL CL('~BSIFICATION IS "D" SINGLE FAMILY DEVELDPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.20 SUBAREA RUNOFF (CFS) -11.11 SUMMED AREA(ACRES) = 7.40 TOTAL RUNOFFCCFS) -11.61 END OF SUBAREA STREETFLOW HYDRAUI...ICS~ DEPTH (FEET) = .48 HALF STREET FLOODWIDTH(FEET) -17.65 FLOW VELOCITY(FEET/SEC.) = 1.80 DEPTH*VELDCITY -.86 ************************************************************************. ~LOW PROCESS FROM NODE 107.00 TO NODE 104.00 IS CODE ::::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .»»>IJE;Ihif:1 USER-··SPECIFIED PIF'EE;I ZE"::"::"::<":: ========================================================================. • • I PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION ~ 307.00 DOWNSTREAM NODE ELEVATION::: 306400 FLDvJLENGTI'-I (FEET)::: 60. 00 t~1ANI\J I NGS N:::: . 0 1 :~:: GIVEN PIPE DIAMETER CINCH) ::: 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) ::: 11.61 TRAVEL TIME(MIN.) = .12 TC(MIN.)::: 17.75 1 ************************************************************************~ 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./HDURJ::: 2.79 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE::: 11.61 ************************************************************************~ FLOW PROCESS FROM NODE 108.00 TO NODE :l 0;'. 00 IS CClDE:: :::: 2 -------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =:::======~=:::~=======================:::========:::=======~=============~====== SO IL_ Cl.j.~SS I F IC?-lT I ON IS" D" SINGLE ~AMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 313.00 DOWNSTREAM ELEVATION = 311.pO 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 "'>I' * -)I, OJ!--1[, * * 0J!-.j!, -)I, * * * -)I, * * * * -l!' * * '*, * * ,j!' '* -ii' *' * "1(' -J!'.jt' * ,,!, -)l' * 1!' -1[, -J!' * -ft' '*, -)10 -)(0 ,;~, -1[, *.j!' -l\'.j!' ~'!, *'.j!' * -l\-,,~, ,,~, * '!i"* * -iI.' OJ!-oj!, ,,'I' * *-)!--)l,~. 0](, * FLDv,l PROCESS FRDtT1 NODE 1 (Y7'. 00 TO NODE 104. 00 IS CODE :"" /.:-;, ----------------------------------------------------------------~-------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===================================================~============~======: UPSTREAM ELEVATION = 311.00 DOWNSTREAM ELEVAtION = 306.00 STREET LENGTH (FEET) = 550.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPEClFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVElTIME CDMPUTED USING MEAN FLOW(CFS) -1.59 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELDCITY(FEET/SEC.) -1.64 PRODUCT OF DEPTH&VELOCITY = .41 STREETFLOW TRAVELTIMECMIN) = 5.59 TCCMIN) = 13.89 50 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.272 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.20 SUBAREA RUNDFF(CFS) - SUMMED AREACACRES) = 1.40 TOTAL RUNOFF(CFS) - ~ND OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) ~ .28 HALF STREET FLOODWIDTHCFEET) - FLOW VELOCITY(FEET/SEC.) -1.87 DEPTH*VElOCITY = 7.7:1. 2. 16 • I , • I I • ~_. _ '\ ~". ._,-!" ....... _ .................. :._ ................. _ .. __ .. _ ...... _ .. __ ._-_ .. _ ..... __ .. _ .......... __ ...................... _ .......... _ ......... _ .................... -............ -................ -.-.. : ...... -................. ~ ............... -.. --.----.. -.... .. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED StREAM VALUES««< ====================================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TI~E OF CONCENTRATION (MINUTES) = 13.89 RAINFALL INTENSITY (tNCH.!HDUR) = 3.27 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE -2.66 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ----------------------------------------------------------------------- 1-1 :l . 12 14. 97 "":!" ..... II l. lEi :;;:~ 1 1 61 1 -:1 -'!C' .-, 7'93 . / . i ... J .r::.11 .... . ..., 66 13" ~39 ~::. II :~7~':~ .... ' .~:. II RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 24.06 23.84 23.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS= RUNOFF (CFS) = 24.06 TIME(MINUTES) = 14.965 TOTAL AREA(ACRES) = 16.20 ======================================================================== END OF ~ATIONAL METHOD ANALYSIS • . :,'. ' . • -:;. !-. ~, I " , CITY OF CARLSBAD CARLSBAD HIGHLANDS HYDROLOGY STUDY 100-YEAR HYDROLOGY STUDY VV.O. 270 -;t,o . ". tit· !NTENSITY-D~MT( .S!GN CHI\RT (-JC'~I' ·-r.,.-· -:-·r.-r.TriT I ~. FGJ(? ,jOO YR, ' • ~:~;d:Hi.'! I j" Eq:~~~~;'" "~":::''' .. ;.:'~; ~' '0:: :~4~ "d1mHhm I' Directi ons for App li ca tion: 7..~'.~N2M-J~::. ·.t . 6 1) From precipitation maps detennine 6 hr. and ~ .. _ l-"h~~~.;.;. Jllt'l~ I II Intensity (In./Hr.)· 24 hr. amounts'. for the selected frequency. t:t}~I~tf-t.lfJl ~l\~lirh P = 6 Hr Prec'p't t' (I') These maps are prlnted in the County Hydrology 50 ..J:9!,~J} '. II ~~IU':i ~ 6 • 1 l. a l.O~ n. r-1anual (10, 50 Clnd 100 yr. maps included in the :r·~ .. N.,: ;:I-k~~·u\HU·'l'il:; , ... 0 = Ou:r~tion (l,lin.) Design and Procedure Hanual). 4. r........~·. -i • II ~~ I ~. J I . • , tfl .. -.1:;I~.ttf~I·I' .. 1'1~1*~~J.ullf'lijl:J; il'~lmi±'Et: 1.t:H.ri·.{tl1Hr"ITIi 2) I\djust 6 hr. pr~cipitat;on (if necessary) so' 3..~ j'.! I 'I 'iHH~tw~·I~~1 III llill-l J.-Tt1Tlq .;,'j!j::' that it is \'1itlnn the range of 45% to 65% of ,"L~[:.'*·.l.I·I·"T:I~,+h 1~11~1 :~I 'WI'I~,J nl·lrt:J~t~J~f:f.-~·~.ll·~.~~!t the 24 hr. precipitation. (Not «rrlicable .... ..: -._ ·J~H·{I· ·1111 ~.t!~I~ , II tttf i '111'~~ .=.-.. -j~ ·.IH.J:L. L .I).!-I to Desert) ,_ . ..,..... .'1 . .u II .. L,: I1:j~" 111" 'I' "I:'iII~II.---T·· .';. ·jl,,·:~r, en !-••..•. • .• ' "1 IIi ' .. '. I I ,. I l:~ .f-...... --. ·1·, L • ;., .,.1 .... :"j. :-1 ·t.!.I'lH.,'!I·q !'li ~·~tl· .JlJ: 1'~,*itHlIll~~~.f-r~:'· jl:i41!;-i: \~II ~ of the chart. 1-~ _. J.i)~.u ~ [\I f . II! [tH.t i ~ ! 11· ~ ~ ., ! •. I.'} T··, I , I-I I·]" I! I i 1" '1' ~1:r·:>-:t1J·~II.I'11'mtt!1h.II:·:·hll~I:I':lllrw~h~III"~;li~)j:l' ~Z~~!I!H ::~Il! ~ 14) Dra\,1 a lirye through the point parallel to.the . i 1'*' ·'1 ·1\ ..:.HI III;I'}.L!I ~~'III ~1:ItN:J.1 N,.1."$1. !.,.;~.~: ,1:.,.1"'1 n plotted l1nes. _. ·.i. • !"'; 'Iif~ 'II~ Ili:'o"1 • 1 . ~:: ,.," .... . :, ! .... 11~i.!I.!:I!i' :·1 I II!~I;!I " ·:k~!:di -0 1. ++~~-.jIl.i.lr*.~!Hii~~j;l~: !d~~tll.~m ~~._._j L} 1._I_II~:·j::~ ::1!6 0 ~ is') This line,is th~ intensity-duration curve for ,9 ._I~ ... _;.1 -l _ 1 ~J I,:ji HI, j.f.SJ,., ! I 'lll~l r '''II!I:' .~.·I I. I!. 1 ! I : ~! I':; ,.,I! "5'5 rl" the 10catlon bel ng analyzed. I II~ /111' IIITii ·lmH·!·"11 +'·1·' ·TTi-' ·lj ·rl··::·I;· ..... jS '-I-I--., . . m . . . I I I ' ,,; . I • 0 . ' .. :... .I.. .. {I ~I~.I . I II 11'11·li~J'·l··I·*I·h· ·_!1'I··.J I.~! '·1:·:~ .. :~5.0 ::s ;1 . .:..:. _. . .. ,... I I I I .111't-....!·· . II ~nN·U J.:i~4 5 ......... ,. . . I ~. ~:'P-:'-'-l--If, :i, .. ! -"I: • ,......... ~,_~~~>:': " " " f I , ~;'i;:' ~8lll~r !l;;lr!j;I'",j;4.0 ::;' , Application Form: • . .. .1 • . -._... -I·" ,. I : , 1, : ,. !::: • -Z '7 ~ ~ ... I .:I·~ .::::~ :;: .. : .-::: :~~=:'=~J::i:j;Ut II.i~liljtl:;>·2.5 1) Ps = ~ in., P24= 5.0, *P6 = 58 %* ... . t ·1 I • -. .' . ..... .... ~f.-:-.. . .. ~II' " 11 ~tl .' l~·: ~.:::f:: i-· .. :. . ' .. : :.... I~N·:~ ·;·:H-' f~ II~ P4 ,1 ~::~ :;:::~;,:,j_.:.::.. ,. -::; .. : ~.. . :=~~JJ~;:: .. :·~dn qll 2.0,·· 2) Ad't d *p = 2'9 21 _ ... _.. • .. _. I_~ _L.:.. ... ~f?'.!-' .. 1_. JUS e -6 • n •. ::.1·=:..-.. _ .. : .. :... .:-: ... :. ~-I=~.[~:'~~ , ··t·:·I:~t~I-i..L;i > _. ~:,::.: : . . '. ... = ·-1=-1:= :: -i'.: -_ ~ . . I . I i ~ 1 5 "1:1 1--1---'. ~. . _. :: ... :. . -, ~... .. . 'III · 3) tc = min. .~ .. _ . .,-' . _ : •. ' _ : . . .. : .. . . . '.--: . • .•.. : ·11·j I II z'" . I-_. ·11 ill· ~ , . :.. ' . . . . . . _·t Mfr®J >< . :~ itl . it·' -.u~ 1J11~1.0 >< H ---:-:-I-I-I'·,-rl·'·I·1 -1-' - - -.+r-H-I+l. H l-l--H-!-I-~-J..I-I-J.I-I++~.J.I..l.J . tl 1-11-t-tn1ttltli· .. ~ 1 D ' ,Jttttl \I tt1l11tl~l11t111 t111111111l1111~~llt 15 20 30 40 50· 1 Mi·nutes Duration 4) I = in/hr. *N9t Applicable to Desert Regton .,. APPENOIXXI IV-A-14 Revised 1/85 ===========================================~~=====================~========= RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE I ne·F f:.~r·f:?nc::e: f3{~t\1 D I EGD COUHTY FLCJDD CD t\IT HOI.... D I BTR I ["I" 1985,1981 HYDROLOGY MANUAL ============================================================================ • , «««««««««««««««««««»»»»»»»»»»»»»»»»»»» (C) Copyright 1982,1986 Advanced Engirleering Software [AESJ Especially prepared for: HUNSAKER & ASSOCIATES «««««««««««««««««««»»»»»»»»»»»»»»»»»»» **********DESCRIPTION OF RESULTS******************************************** -K-CARU3Bf-)D 1· .. 1 I GI·-IU·)NDS -100 YEAR HYDROLOGY STUDY i: .:>!. W. D. 270····'10 * * *************************~************************************************** -----------------------------------------------------~-------------------~--USER SPECIFIED HYDROLOGY AND HYDHAULIC MODEL INFORMATION: ----------------------------------------------------------------------~----- 1985 SAN DIEGO MANUAL CRITERIA USER SPECIPIED STORM EVENT(YEAR) = 100.00 6-HOUR DUHATION PRECIPITATION (INCHES) = 2.900 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 GPEC I F I ED PEJ~CENT OF C:lH?~D I Et'·rrS (DEC I 1··!IAt..) TO LlSf::: Fen:;: FT: I CT I Clhl HL .. C)PE ":" • El~5 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» {·~clV'5\nC::E'cI EnqirH:?f?! .... inq Bo-f:t,Ij·J«').t·"E· [?~EE)J SERIAL No. 107301 RELEASE DATE: 4/22/86 «««««««««««««««««««»»»»»»»»»»»»»»»»»»» **************************************************************************** FLOW PROCESS FROM NODE 1 • 00 TO 1\IDDE 2.00 IS CODE :::: ----------------------------------------------------------_ ... _--------------- »»>HATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ==============~============================================================= SOIl.... CL,(,)StHFIC(·HIm·~ H3 "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I (lL. SUB('~HE('·~ FLOV,!--L..EW:3TH (FEE::T) _. 1 (H). 00 UPBTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 340.00 ELEVATION DIFFER~NCE = 2.00 U~BAN SUBAREA OVERLAND TIME OF FL.OW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOLlR) = 5.511 SUBAREA RUNOFF(CFS) = .61 TOTAL AREA (ACRES) = .20 TOTAL HUNOFFCCFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE 2.00 TO NODE ::::." O() I ~:) CODE ::::: ------------------------------------------------------------------~------.--- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==================================================================~========= I UPSTREAM ELEVATION = 340.00 DOWNSTREAM ELEVATION = STREET LENGTH (FEET) = 430.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 :~:;;:::.o .. 00 ... .0:.200 • I **TRAVELTIME COMPUTED USING MEAN FLowctFS) - (;3.54· STREET FLOWDEPTH(FEET) = .30 HALF STREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) - PRODUCT OF DEPTH&VELOCITY = STREET FLOW TRAVELTIME(MIN) = 2.31 TC (t·'IIt···.I) = 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.703 l':30IL CLABBIFICATIoN IB "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 c::-"",1:::' ~'It L .... J SUBAREA AREA (ACREB) = 3.60 BUBAREA RUNOFF (CFS) = 9.31 SUMMED AREA (ACRES) = 3.80 TOTAL RUNOFF (CFS) = 9.92 END OF SUBAREA STREETFLoW HYDRAULICS: DEPTHCFEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.02 FLOW VELOCITY(FEET/SEC.) = 3.72 DEPTH*VELOCITY = 1.29 FLOW PROCESS FROM NODE 4.00 TU NODE 5.00 IB CODE ::: ---------------------------------------------------------------------------- »»>RATIDNAL METHOD INITIAL SUBAREA ANALYSIS««< =~========================================================================== SOIL CU·)B~:3IFICATI()N IS "0" £3 I I'·JGL.E F (")i"1 I L Y DEVEL.oPt"11::J-IT I::(UNOFF Cm:::FF I C lENT = . 5;'"500 INITIAL SUBAREA FLOW-LENGTH (FEET) -120.00 UPSTREAi"1 ELEVATION = 395.00 DOWNSTREAM ELEVATION = 386.00 ELEVATION DIFFERENCE = 9.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.878 *CAUTION~ SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.276 SUBAREA RUNOFF(CFS) - TOTAL AREA (ACRES) = .07 .30 TOTAL RUNOFF(CFS) -.87 **************************************************************************** FLOW PROCESS FROM NODE 5.00 TO NODE 6.00 IS CODE = 6 ----------------------------------------------------------------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ::::::::::::::::::=::::::::::::::::::::::::::::::::;::::::::::::.-::::::::!!==::::::::::::::::::::::::::::.:::::.=::::::.'::::::::::::::::::::::-.::::::::::::::::::::::::::::::::::::::::::::::::::::::-.::::.:::::::::::::::::::::::::::-::-.::===:::::::::::::::::::::::::::::::::::.::::::::-.:::::::::::::::::::::;:::::::::::: UPSTREAM ELEVATION = 390.00 ·DUWNSTREAM ELEVATIOM = S70.00 STREET LENGTH (FEET) = 450.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) - SPECIFIED NUMBER OF HALFBTREETS CAR~YING RUNOFF ~ 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) - STREET FLOWDEPTH(FEET) = .30 HALF STREET ~LODDWIDTH(FEET) = AVERAGE FLOW VELOCITY(FEET/SEC.) 8 .. 54 PRODUCT OF DEPTH&VELOCITY = 1.17 STREETFLOW TRAVELTIME(MIN) = 1.90 TC(MIN) = 10.78 100 YEAR RAINFALL INTENSITYCINCH!HOUR) = 4.656 ~:mII... CU:~S~3IFIC?'TIm,1 IB "0" SINE)LE FAI"IJLY DE\..lELClPt~1ENT HUNOFF COEFfICIENT ::".: .5!500 BUB?1REf.:l PIF~E (..) (('tePES)·-·1.1·. ~.50 t:)UH('~HEt·"\ \::;:UNOFr:· (CFt)) _ .. 6.70 EhiD or::' bUDr:~nE('~ !;:3'fr;:EE I·FL..U~·J 1···IY·DHf:11...Jl .. I CEl ~ DEPTHCFEET) = .35 HALFSTREET FLOODWIDTHCFEET) = 11.02 FLOW VELOCITYCFEET/SEC.) = 4.65 DEPTH*VELUCITY = 1.61 1·* *.r, .. y, •. y~ *"*. * .~~ .~<--1';. 1, ·M· 'Y: •• il-* .y~ 1~.y,· * .y<. 'j!", .)1:'* ii, .j!":.* .y, .y~ 1~ .f< .. y, •. r., .:Ii .. r. .. r.. 11· ·t<·il-.j( •. )!-.* .~ .1\C .r,. * .~~ * .*. * .. )!-.r, .. j(. ·r, ')1, -1': * .. y<. 1( •. f, •. ~," .J(: .t:: •. r.. "x·.y,· * .. y, •• * * ~l-.*.M-7: •. ~, .. *. FLOW PROCESS FROM NODE 6.00 TO NODE 9.00 IS CODE = 3 -------------------------------~--------------------------------------------:>:>:> > >CCWIPUTE PI PEFLOIJJ TH{·WELT I t'IE 'rHHU ~;Ur;:{·W~E{~-::: -::: -::: -::: -::: . . • :>:>:> > >U~3 I t'.\!3 COI'"1PUTER···E!3T I t'1ATED PI PEf.3 I ZF:~ (NOI\I·-PRESSI...JFi:f:-: FLO\l,I) <: <: < <: <: ==================================================~====================~==== ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 I...lPGTHEAt"1 NODE ELEVATION::: :$70.00 DOWNSTREAM NODE ELEVATION = 338.00 FU)1;4LENGTH (FEET) = 360. (H) t"IANI\1 I Nm:) N .... . 0 1. :~:; ESTIMATED PIPE DIAMETER(INCH) -18.00 NUMBER OF PIPES - 1 ptPEFLOW THRU SUBAREA (CFS) -12.39 TFi:AVEL TIME(MIN.) = .38 TC(MIN.) -11.16 **************************************************************************** FLOW PROCESS FROM NODE (;;,. 00 TO I"'-IODE (i. 00 I G CODE:: ":: »>:»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE-:::«« ===================================================================~==~=~=== CONFLUENCE VALUES USED FOR INDEPENDENT GTREAM 1. ARE: TIME OF CONCENTRATIONCMINUTES) = 11.16 RAINFALL INTENSITY (INCH./HOUR) = 4.55 TOTAL STREAM AREA (ACRES) = 4.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.39 **************************************************************************** FLOW PROCESS FROM NODE 7. 00 TO !'.HJDE C3.00 IE; CODE ::-.:; ..... __ .......... ___ • ___ • _M' .......... 00_' __ • _H' ....... ~ •....... _ ..... MOO ............. __ • __ ...... _ .. 0 ............ oo ... _' .. M ..................... _ .................................................. __ • _ ............... ~ ................. _ .... 0 _ ...... ' ....... _ ..... , .............................. _ ... _ ..... _ ...... MOO' .. -..... . »»:>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<:<:«< ::::: ::: ::::: ::::: ::::: ::.::: ::.::::::: ::::: :::::::::; ::::: ::::: ::::: ::::: :::::::::: ::::::::::-.:::::::: :'.!: ::::: :'.:: ::::: :::::::-.! ::::: ::::: !!::: ::::: :::: :::::::: :::-.::::: ::: ::::: :::::::::::::::::: ::::::::: :::: ::::: :-"":: :::: :-.::: ::::: :::: :::~ ::::: :::: :::: ::., .. ..: ::::::;:: =:::::: ::-.: :-.:::-.:::.::::::::::: :::: ::::.== ::::: =:: =.::::::::: :::: :::: SOIL CU::lt::JF:lIF'ICAtION H3 "D" SINGLE FAI1ILY DEVELOPMENt HUNOFF COEFFICIENT = .5500 INITIAL SU~AREA FLOW-LENGTH(FEET) -120.00 UPBTRE(')t'l ELEVAT I 01\1 :::: :370. 00 DOWNSTREAM ELEVATION = 364.00 ELEVATION DIFFERENCE ~ 6.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.648 *CAUTION~ SUBAREA SLOPE EXCEEDS COUNTY NOMOGHAPH DEFHH T 101\1. EXTFU .. )PDl...?H lfJI\! OF' W)t1CiGr~AF'I"'1 USED. 1.00 YEAR RAINFALL INTENSITY(INCH/HUUH) = 5.366 SUBAREA RUNOFF(CFS) -.89 TOTAL AREACACRES) = .30 TOTAL RUNOFF(CFS) -.89 **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 6 ----------------------------------------------------------------------------, ==~~;:~~~:~~:~;~~:=:~~=~~:~~~=:~~~~:::~L~~~=!~~~~~:=::~~~::,!:::~;:~~:.~,,~=====::::::::::::=:::::::=:=====:~~=::::::: = =:: UPSTREAM ELEVATION == 364.00 DOWNSTHEAM ELEVATION == 338.00 STH~ET LENGTHCFEET) == 400.00 CURB HEIGTHtINCHES) == 6. STREET HALFWIDTH(FEET) == 28.00 STREET CROSSFALL(DECIMAL) = .0200. . . SPECIFIED NUMBEH OF HALF STREETS CARRYING RUNOFF == 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -6.24 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODW~DTH(FEET) = 6.88 PRODUCT OF DEPTH&VELOCITY' = STREETFLOW TRAVELTIME(MIN) = 1.26 100 "{Er-m n?Ht···~FPILL H·ITEN~HTY (INCI·,·I/I· .. IDUR) =::: 4. c114 SDIL. CL.ASGIFICfYTIDN IS liD" 9 .. 91 I SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUB{~REA ~lHE('~ (f~CHES) ":= 4. (l0 SUBr-~Fi:E('~ HUNDFF (CFS) --10 .. 8:1. SUMMED AREA(ACRES) = 4.30 TOTAL. RUNOFFCCFS) = 11.70 END OF SUBAREA STHEETFL.OW HYDHAULICS: DEPTH (FEET) = .31 HALFSTREET FLOODWIDTHCFEET) = 9.37 FL.OW VELOCITY(FEET/SEC.) = 5.87 DEPTH*VELOCITY = 1.84 **************************************************************************** FLOW PROCESS FROM NODE 8.00 TO NODE 9.00 IS CODE = 1 -------~----------------------------------------------------------~--------~ »»>DESIGNATE INDEPENDENT STREAM FOR tONFL.UENCE««< ===============~============================================================ t-':D~~FUJENCE Iv'ALUE~1 USED rem I NDEPENDENT BTm::{~t"1 2 (:lHE:: TIME OF CONCENTRATION (MINUTES) = 9.91 RAINFALL INTENSITY (INCH./HDUR) = 4.91 TOTAL STREAM AREA (ACRES) = 4.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.70 **************************************************************************** FLOW PROCESS FROM NODE 10.00 TO NODE 11.00 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANAL.YSIS««< =================~===================================~====================== SOIL CU~Sf.3IFICATIDN H3 "D" • SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INItIAL SUBAREA FLOW-LENGTH (FEET) -500.00 , Ur'BTFE(·WI E:LE'·JAT I 01\1 = t.1·20. 00 Dm'JI\mTF~E(~I"1 El..E\,oAT I ()I"~:::: ~~;65 .. 00 ELEVATION DIFFERENCE = 55.00 URBAN SUBAREA OVEHLAND TIME OF FLOW (MINUTES) -19.640 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATIDN OF NOMOGRAPH USED. 1. 00 YE?~F F~A I NF rILL... I hITENE; I T"'f ( I t\IG-1 / I-'IOUF~) ::: ~:;. 161. :::~ It 4:~:: SUBAREA RUNOFFCCFS) - TOTAL AREACACRES) = 1..40 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 11 .. 00 TO NODE 9" 00 IS CODE :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTEF-ESTIMATED PIPESIZE (NON-PHESSURE FLOW)««< -----------------------------------------------------------------------------------~--------------------------------------------------------------------ESTIMATED PIPE DIAMETEFCINCH) INCREASED TO 18.000 DEP"rH OF FLcn<J :[ 1\1 1 El e 0 INCH PIPE IS Lj.. 1. I NO·IE::S PIPEFLOW VEL.OCITYCFEET/BEC.) = 8.1 UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE EL.EVATION = 338.00 FLUl;·JL.ENGTH (FEET)::::: 5~30" 00 t/If.~1\11\1 I I\IDE; N -... • <) 1. ~::; ESTIMATED PIPE DIAMETERCINCH) -18.00 NUMBER OF PIPES - PIPEFLOW THRU eruBAREA(CFS) -2.43 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) -20.78 **************************************************************************** FLClW PFt:c)CE~3!3 FROI'1 NODE 1 :l • 00 TD t··mDE 9. 00 I £3 CODE :::: :1. ...................... _ "M' ....... _ .......... _NO .. ,~ ....... -.. .OM' ..... _M' ............ _ .. _ ........................................................................... MM,"_ .. M ............................ _ ....... 00. 00_ .......... ""0 ........................... oo ........ _ .......................... _ •• _to. _ ................... __ ........... 00' ......... . »»>DESIGNATE INDEPENDEN~ STREAM Fon CClNFL.UENCE««< . . I • I =========~======================================================~=========== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: 'r I t'IE OF CCH'"ICENTRAT I Clhl (til I !',IUTES) ::: 20 .. 7[;) RAINFALL INTENSITY (INCH.!HOUR) = 3.05 TOTAL STREAM AREA (ACRES) = 1.4~ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2 .. 43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY t",IUt'IBER (CFS) (MIN.) (INCH/HDI...IFO ------------------------------------------------------------------------~--- 1 1. :;~ • :::::9 1 1 16 4 . r:::'c'-" . ..... 1'-'.' • .::_ 2 1 1 .. 70 9. 91 4. 914 ":r ..... 43 20. 7El -r 0·1-9 .... , .,::. ,. .;:1., RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 24.86 24.69 17.99 COI"IF'UTED CCJNFLUF:~NCE EBT I I"IATES {~nE (,~G FOLLD~\JB: RUNOFF (CFS) = 24.86 TIME(MINUTES) -11.158 TOTAL AREA (ACRES) = 10.50 **************************************************************************** FLOW PROCESS FROM NODE :l ::2.. 00 TO NODE 13.00 If:) CODE ::: ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYStS««( =====~=========================================~==============~============~ SOIL CU:~SSIFICATIOI\f IS "0" 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) -9.787 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.955 SUBAREA RUNOFFCCFS) -.55 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) -.55 **************************************************************************** FLOW PROCEGS FROM NODE 1:'::;. 00 TO t\IDDE 14. 00 IS CODE ::::: -------------------------------------------------------~--------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««( ================~==================================±======================== UPSTREAM ELEVATION = 435.00 DOWNSTREAM ELEVATION = 401.00 SHt:EET LEI\!(3TH (FEET) :::: 1000. 00 CURB HE I GTH C I 1\ICHEt-3) :::: b. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -6.39 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.77 PRODUCT OF DEPTH&VELOCITY = 1.12 STREET FLOW TRAVELTIME(MIN) = 4.42 TCCMIN) = 14 .. 21 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.896 SD Ho C1..,,('~Bf:l I FICA',!" I ON IS" 0 II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = ~5500 SUBAREA AREA (ACRES) = 5.40 SUBAREA RUNOFF (CFS) -11.57 SUMMED AREA(ACREB) = 5.60 TOTAL RUNOFFCCFS) -12.12 END DF SUBAkEA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FEET) -11.02 FLOW VELOCITYCPEET/SEC.) = 4.54 DEPTH*VELOCITY -1.58 **************************************************************************** 1~!." 00 TO I\IDDE 14. 00 I~3 CDDE ::: 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ===~================~===================================================~=== I CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 AREn TIME OF CONCENTRATION (MINUTES) = 14.21 RAINFALL INTENSITY (INCH./HOUR) = 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 CDDE =:0 -----~----------------------------------------------------------------------". '. '" '" ". F" ~ 'r I 01" II'I t'IE-'rllf)I" I h I I '1-I AI '·'lJT"·l\loo-.r'" 1\ I' "IAI \11" I r' .. ' .,' .. ' .. ' .. ' ...... : ............. ,,\~.~ .. _ ", I"~ _" '.~" -_ ) . 1'" ." ,," ;:-J .:.:>r"l "'.C.I-l l-~l'" -, ,,_ i ;:;). ,:. •.... "' ..... "' ..... =============================================~======~========~============== SOIL CL.ASf'::lIFICATION IS 110 11 SINGLE FAMILY DEVELOPMENT RUNOFF CDEFFICIENT = .5500 INITIAL. SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 437.00 DOWNSTREAM ELEVATIDN = ELEVATION DIFFERENCE = ~~ n ()() 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) -.61 ****************~*********************************************************** FLOW PROCESS FROM NODE 16.00 TO NODE 17.00 IS CODE = 6 •----.::~:-~:.-'.:.-.:~(.~: f':~ t--If'~l'--I ~r':E':: --~:: ~r-f'~ :~~:~ ~r:F~:I'--f'-1-;~J---:-r' foo~;~ ;00; ;::1'-~-r': 'I--t'-~l ;:~ ._-~-f'I-~f'--:I'''-I'-'';' [--I;~ :~f'~;: (00: ~~ '.~: ~::. ~"-._-------.---._-.--_.---.----.--. __ ._.--. --.~. _00 , .... ,,:' .... 0'"' / .:' • ...1 ~ -.... .:. . .. j "\:, r.:. J::. . _., _ If. '\ 1'''\ V C:. .... ." (:. "1 .,\ .... ...:> .... C.I t .. ) " .... I:::' .. I··· ....•............ =========================================================~====~~============ UPSTREAM ELEVATION = 435.00 DOWNSTREAM ELEVATION = 402.00 STREET LENGTHCFEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HAlFWIDTH(FEET) = 28.00 STREET CRDSSFALL(DEC1MAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -9.42 STREET FLOW DEPTH (FEET) = .33 I"'IAI...Y·S"I"F~EET FLOODI;4 I DTH (FEET):::: 10. 2i) AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.07 PRODUCT OF DEPTH&VELOCITY = 1.34 STREETFU)I;,j TRAVELT H1E (N I 1\\):::: 4. 10 TC (lvlIl"'J) :": 12 .. ·40 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.254 SOIL CLIr.~Sf.3IFIC{-~TIm··,1 H3 "D" S I t".\(3LE F{~t"1 I LY DEVELCiPHENT F~UNOFF COE:FF I G I ENT :::: .. ~5::iOO SUBAREA AREA (ACRES) = 7.40 SUBAREA RUNOFF(CFS) -17 .. 31 SUMMED AREA (ACRES) = 7.60 TOTAL RUNOFF (CFS) -17.92 END OF SUBAREA STREETFLoW HYDRAULICS: DEPTHCFEET) = .40 HALFSTREET FLOODWIDTHCFEET) -13.51 FLOW VELOCItYCFEET/SEC.) = 4.61 DEPTH*VELOCITY ~ 1.83 **************************************************************************** I FLO!;,) PROcr::f:lf3 FRm1 NODE 1007. 00 TD NODE 14. 00 I S CODE :::: l.j. --:::::c-n-l~1'1~I-J':I~E~-F~-I-~E:;l--O-~J'-:1:1~;:!-:1-~l:-I-I~I'E--~r-I~-I;I-I'-;I-I'::'I~f::('::::::------~----------------- •••.• ,:' ,.:' •••• •••• .I _ r '" •• .~.. •• I'"~. rOo... v' '\ I"~' ~ .... • '\I :'-.. -1 '\ _ ~:>: .... ,1:;a 1""1 "\ ::. -I ':" ':" .... ':" ':" . »»>USING USER-SPECIFIED PIPESIZE««< . . =============================================================::============== ; DEPTH DF FLOW IN 24.0 INCH PIPE IS 14.3 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 9.2 UF'STRE(.lt"l HDDE E I. .. E v (-yr ION ::" LI"I)~;:: .. 00 DOWNSTREAM NODE ELEVATION = 401.00 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES -:!. PIPEFLOW THRU SUBAREA (CFS) -17.92 TRAVEL TIMECMIN.) = .11 TCCMIN.) = 12.50 I * -1{-.l!-* 'n' ·r, 1~ oK-.y, ·r~·*, .y., t~ oK--1{-'.y~.*.r: ·r, .~-* ~-* * .y., ,* .. ~~ ·t~· -i(-.y., .r.-* .* ·r, .j(-·r, .j(_.* .)~.* -i(-* .j'" '*'1~ * 0)', * *.y~ .!~ .)~ .j(-.)~.r,. *.*.* .r,. .~: .. l\ .. l\. it·ft-·ft-of.': 0)(-oK-.y~~" .*. ·r, .y, .• * * '7" FLm·J PFUJCE!3B FHC:WI NODE 17. 00 TO NODE 1 '~" 00 IS CDDE~"' 1 . ---------------------------------------------------------------------------- I »»>DESIGNATE INDEPENDENT STHEAM FOH CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ============================================================================ CONFLUEhlCE Vf.~LUES USED Fm~ I NDEPI::'I'·mEI,n BTREAt1 2 PInE: TIME OF CDNC~NTHATION(MINUTES) = 12.50 RAINFALL INTENSITY (INCH./HDUR) = 4.23 TOTAL STREAM AREA (ACRES) = 7.60 TDTAL STREAM RUNOFFCCFS) AT CONR_UENCE = 17.92 CDNFL .. UEt\rCE I NFOF:t··1?) T I ON ~ STREAM RUNDFF TIME INTENSITY hIUl"IBEH (CF'S) nUN.,) (INCH/I .. ·louro ---------------------------------------------------------------------------- 1 17.92 14.21 12.50 ~:: II f.3C,'(;.) 1.+. ~,'23() nAI NF{-'lLL--' I Nl'Et\ISI TY-~HAT ID cm·.IFLUENCE FmWIULA USED Ftm ;:~ S'rF;:E{'~t1B v?m I OUS CDI·~FU..lF:~j\.ICED RUNDFF vm.UEB AnE ("~S FDLUJ~·\JS ~ 29.08 COMPUTED CONFLUENCE ESTIMATES AHE AS FOLLOWS: RUNOFFCCFS) = 29.08 TIMECMINUTES) = 12.504 TOTAL AREA (ACREB) ~ 13.20 FLOW PROCESS FROM NODE 18. 00 TO t\IDDF:~ 1. ;:;0 u 00 I S CODE ~::: :;:: ----------------------------------------------------------------------------»»>RATIDNAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CL{~E)SIFIc('1TION IS "D" SINGLE FAMILY DEVELOPMENT RUNDFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM ELEVATION = 391.00 ELEVATION DIFFEHENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 SUBAREA RUNOFF (CFS) -.61 "I"DT(·~L ('~REA «(..~cnEEl) .:~ • 20 TOT('~I.. .. HUhIOFr= (CF!3) ..... ,,61 **************************************************************************** FLOW PROCESS FROM NODE 1.9.00 TO NDDE :;:~O. 00 I S CODE :::: ----------------------------------.----------------------~-------------------»»>CoMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =======~======================================================~============= UPSTREAM ELEVATION = 391.00 DOWNSTREAM ELEVATION = 378.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 BPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDWCCFS) -3.70 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLODDWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.60 PRODUCT DF DEPTH&VELOCITY = .73 ElTF~:EETFL.Ohl THr.·\'...,'ELT niE <1''11 N) .... 5 u Tl TC (I'H N) :::. j.l.I·. 07 I • I SUIL CLI~1::3::3.lFICr.:~·rIUN I~::; "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 Bt..lf:3('\HEf.l flHEA «('~CHr::~El) ::::: 2. C?O t:)!'JI)flRE~i Hl....IhlOFF (CFS) --. 6. ',;:~5 SUMMED AREA (ACRES) = 3.10 TOTAL RUNOFF(CFS) -6.86 END OF mJB(·~r:;:E(·:l t3'TT~EETFL..m\J 1 .. ·IYI:m(.)I.JI... I C~:; ~ DEPTH (FEET) ::::: " :3:3 H('~LFS'n:;:EET FLOODlAj I DTH (r:'EET) ..... 10" 20 FLOW VEL..OCITYCFEET/ElEC.) = 2.96 DEPTH*VEL..OCITY = .98 **************************************************************************** FLOW PROCESS FROM NODE 19" 00 TO t·,.IODE :;;:;0. 00 I f.3 CODE ::::: ---------------------------------------------------------------------------- »»)DESIGNATE INDEPENDENT ElTREAM FOR CONFlUENCE««< ----------------------------------------------------------------------------.-.......... _ ....... _. _ ........ -.. -....... _ ..... ,.--_ ...... _ ..... _ .. _ ... -. ................ _ ....... ,," ........ -...................................... --_ ... " ." ............ "-"-_ ................... ". _ .............. -_ ........ _ ...... _ ................ _ ........... _ .... _._ ....... -............... , ..... _ .... . CONFLUENCE VALUEEl USED FOR INDEPENDENT ElTREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 14.07 RAINFALL.. INTENSITY (INCH./HOUR) = 3.92 TOTAL STREAM AREA (ACRES) = 3.l0 TOTAL STREAM HUNOFFCCFS) AT CONFLUENCE = 6.86 **************************************************************************** FLOW PROCESS FROM NODE 22.00 IE) CODE ::;: ._ ............................... __ ....... _ ............................................ _ ...... _ ........ _ ..... _ ................... _ ....... __ ............ _ ........ __ .. __ .................... _00 ............ _. __ 00 ....... _ ................. ; ................................ _., _ ........................ _ ....... _ .. _ ..... -•• ..;. _ ... .. »»)RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CI..J)t:;f.HFIC?HIDt\1 IS "0" B I hlGLE F(:11"1 I L.."y DE\l.ELOPNEt··.!T RUNOFF' COEFF I C I EJ·.rr ::::: .5!::50<) INITIAL.. SUBAREA FL..OW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 394.00 DOWNElTREAM' ELEVATION = 392.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERL..AND TIME OF FLOW(MINUTES) -8.299 100 YEAR RAINFALL INTENSI1'YCINCH/HOUR) = 5.5l1 SUBAREA HUNOFF(CFEl) -.6l TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.61 *********************************************************************~****** FLOW PROCESS FROM NODE :,2:2.00 TO t·,.10 DF:: 2~::'. 00 I ~:3 CODE ::: ----------------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVEL1IME lHRU SUBAREA««< =======================================================================~==== UPSTREAM ELEVATION = 39:2.00 DOWNSTREAM ELEVATION = ::::;'79.00 STREET L..ENGTH(FEET) = 850.00 CUHB HEIGTH(INCHES) = 6. STREET HAL..FWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) - SPECIFIED NUMBEH OF HAL..FSTREETS CARRYING HUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FL..OWDEPTH(FEET) = .26 HAL..FSTREET FlOODWIDTH(FEET) = AVERAGE FLOW VELOCITYCFEET/SEC.) - 6. €3t3 PRODUCT OF DEPTH&VElOCITY = STREETFLOW TRAVEL..TIME(MIN) = 6.32 """'" If ·..J7 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.824 ~30IL CL'(')ElBIFICATICJN It:> liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 . SUBAREA AREA(ACR~El) = 1.90 ElUf:3AHEA HW~OFF(CFS) -4.00 SUMMED AREA(ACRES) = :2r10 TOTAL RUNOFF(CFS) -4.60 END OF ElUBAREA STREETFlOW HYDRAULICB~ D~PTH(FEET) = .30 HAL..FSTREET FLOODWIDTH(FEtT) -8.54 FLOW VEL..OCITY(FEET/SEC.) = 2.72 DEPTH*VElOCITY -.81 • O::~OCI ***********~**************************~*********~*************************** .1 I • I »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================================ DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY(FEET/S~C.) = 6.6 UPSTREAM NODE ELEVATION = 379.00 DOWNSTREAM NODE ELEVATION = 378.00 FLDWLENGTHCFEET) = 58.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -4.60 TRAVEL TIMECMIN.) = .15 TCCMIN.) = 14.77 1 **************************************************************************** FLOW PROCESS FROM NODE 2~::'. 00 TO NODE :,;:0" 00 1 ;';'1 CODE ::::: »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< :I. =================================================~======~=================~= CONFLUENCE VALUES USED FOR INDEPENDENT Sl~EAM 2 ARE~ TIME OF CONCENTRATION(MINUTES) = 14.77 RAINFALL INTENSITY (INCH./HDUR) = 3.80 TOTAL STREAM AREA (ACRES) = 2.10 TOTAL Sn~E(-)1"1 RUNOFF (CFS) AT CONFLUENCE :::: 4.60 CONFLUENtE INFORMATION= STREAM RUNOFF TIME INTENSITY 1\IUt~1BER (CFB) (I"'lIN.) (H-JCI---llHOUR) ------------------------------------------------------------------------~--- 1 Lj-.60 14.07 14.77 3ft 8(H) RAINFALL-INTENSITY-RATIO CONFLUENCE FORMU~A USED FOR 2 STREAMS VARIOUS CoNFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 11 • 2~.5 COMPUTED CONFLUENCE ESTIMATEB ARE AS FOLLOWS: RUNOFFCCFS) = 11.32 TIME(MINUTES) ~ 14.071 TOTAL AREA (ACRES) = 5.20 **************************************************************************** FLOW PROCESS FROM NODE 24.00 TO NODE 25.00 IS CODE = 2 ----------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =========~:::========================================================~====~==== SOIL~ CLASSIFICATICll\~ IS "0" SINGLE FAMILY DEVtLOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 418.00 DOWNSTREAM ELEVATION = 416.00 ELEVATION DIFFERENCE = 2.00 UF~B(~N SUBAF~I~~{40VERU~I\ID T I ~-1E: OF FLmlJ (1"1 I hIUTES) --- lOa YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 SUBAREA RUNOFF (CFS) - TOTAL AREA(ACRES) = .61 .20 TOTAL RUNOFF (CFS) -" 6:1. **************************************************************************** FLOW PROCESS FROM NODE 2~:;" 00 TD NODE 26.00 IS CODE "": , ---------------------------------------------------------------------------~-• »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ==========================================================================~= UPSTREAM ELEVATJON = STREET LENGTH(FEET) = 416.00 "c;'OO. (H) DOWNSTREAM ELEVATION = 375.00 r~ I I F~' T:~ 1---1 F I-F' -1-1-1 ( I t\I(' I __ "::: q \ :::: 6 .. _ .... 'fro ,.""4 .. 'J. -f., :_: 1L_ ..... i n I • I SPEC I F I ED 1\IUI'1BEF;: OF H('~LFSTHEETB C{~HI~Y I Nf3 HUI\IOFF ~"" :~;:: **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -12.05 STREET FLOWDEPTHCFEET) = .33 HALFSTREET FLOODWIDTHCFEET) = 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 RAINFALL INTENSITY (INCH/HOUR) = 4.547 tmIL .. CL.AGBIFIC('HION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 BUB?~RE('·~ ('~HE('~ «('4CHEB):::: 9. 1 0 !3UB(.~nE(..'1 F:~UI\IOFF~ (CFS) -.. , ;:~2» 7 6 SUMMED AREACACRES) = 9.30 TOTAL RUNOFFCCFS) -23.36 END OF SUBAREA STREETFL.OW HYDRAUL.ICS~ DEPTHCFEET) = .40 HALFSTREET FLOODWIDTHCFEtt) ~ 13.51 FLOW VELOCITY(FEET/SEC.) = 6.01 DEPTH*VEL.OCITY = 2.38 *******************************************************~******************** FLOW PROCESS FROM NODE ;:~6. 00 TO NODE --------------------------------------------------~------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAHEA««< »»>USING USER-SPECIFIED PIPESIZE««< ===========================================~========~==============~======== DEPTHDF FLJJVJ I t···~ 24. 0 INCH PIPE I~? 9. 9 II\ICHEE; PIPEFLOW VELOCITYCFEET/SEC.) = 19.2 UPSTREAM NDDE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 368.00 FLOWL.ENGTH(FEET) = 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES -:1. PIPEFL.OW THRU BUBAHEA(CFS) -23.36 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 11.24 ~***********~*************************************************************** FLOW PROCESS FROM NODE :.'27. 00 TO I\IODE :;;:~8. 00 I S CODE ::::: -------------------------------------------------------~-------------------- »»>RATIONAL. METHOD INITIAL SUBAREA ANALYSIS««< =============================================~====================~========= ~1() I L CLJ~Sf:) I F I crn I Ohl IS" D " SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL BUBAHEA FL.OW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 393.00 DOWNSTREAM EL.EVATION = ~91.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERL.AND TIME OF FL.OW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNDFF(CFB) -.61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF(CFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE 28.00 TO NODE ::29. 00 I S CODE :::: ------------.-------------------------~----------------------------~--------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION = 391.00 DOWNSTREAM ELEVATION = 370.00 STREET LENGTHtFEtT) = 700.00 CURB HEIGTHCINCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STHEET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBEH OF HAL.FSTREETS CARRYING RUNOFF = 2 **TRAVElTIME COMPUTED USING MEAN FLOW(CFS) -6.30 STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 AVERAGE FLOW VEL.OCITY!FEET!SEC.) -3.72 PRODUCT OF DEPTH&VELOCITY = 1.10 , 100 yEAR RAINFALL INTENSITY(INCH/HOUR) = 4.481 SO I L CL.IiSB rr: I GYrI ON IS; II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT:::: .5500 SUBAREA AREA(ACRES):::: 4.60 SUBAREA RUNOFFCCFS):::: 11.34 SUMMED AREACACRES):::: 4.80 rOTAl RUNOFF(CFS) -11.94 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTHCFEtT):::: .35 HALF STREET FLOODWIDTH(FEET) -11.02 FLOW VELOCITY(FEET/BEC.) :::: 4.48 DEPTH*VELOCITY:::: 1.55 **************************************************************************** FLOW PROCESS FROM NODE 29.00 TO NODE ~50. 00 I ~:) cc:mr::: :::: 4 ---------------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU BUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< :::.:::::::~ :::: :!.': :::: :::: ::::: :::::::::: ::::: ::::::: :::: :::: :::!: :-.::: ::::: ::::: ::::: ::-.:::::: ::::: :::: :::::::::: ::::: ::::: :::: ::::: ::::: :-.::: ::::: ::::: ::::: ::;:: ::::: ::::: ::::: :-.:: ::::: ::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ;:::: ::::: ::::: :::::.::::: ::::: :::.-: ::::: ::::: :::::::::: ::::: :::.:::::: ::::: = ::::::= :::: ::::: ::::: ::::;::::::::: ::::: ::::: ::::: DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION:::: 368.00 FLOl;·JLENGTH (FEET) :"-= ~50. 00 !"1AI\II\! I I\!GB N:::: .. 0 i ::::; GIVEN PIPE DIAMETER CINCH) = 24.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -11.94 TRAVEL TIME(MIN.) = .07 TC(MIN.) = 11.S1 ************************************~************~************************** FLOW PROCESS FROM NODE 29. 00 TO NOJ)E »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< • ""~==~::;;~~=~~~;·~;~::;.~;~:;~~~;~~~~:~~~~~~;~~~7~;~;~~:~;~~~~~~7=:.:=:"";.::;.:;:=:::::·"~:=::=::::==::==:=::::=~=:=::==.:::::===::::=:==:;" ~3()IL CLr-Y3SIFIC(.YTIDI\1 IS "Oil SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 8UB{:iRE{4 (.·~II::;~E{-~ (rlCF<E:Ei) .... .;oJ. ::50 8UB{-~F\EA HU!'JDFF (CF·f.-3) .... 22.82 TOTAL AREACACRES) -14.10 TOTAL RUNOFFCCFS) = 34.77 TC (M IN):::. 11 .5:1. **************************************************************************** FLOW PROCESS FROM NODE ::~;o" 00 TD h!DDE l.1l.1" 00 I S CODE :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ::::::::::::==::::=======::::=.==::::=~===::::===.=.==========::::======::::===========~====::::::::====~==::::::::=== DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITYCFEET/SEC.):::: 13.2 UPSTREAM NODE ELEVATION = 368.00 DOWNSTREAM NODE ELEVATION = 342.00 FLDWLENGTH(FEET) = 850.00 MANNINGS N =. .013 GIVEN PIPE DIAMETER(INCH) = 24.00 . NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA(CFS) -34.77 TRAVEL TIME(MIN.) = 1.07 TC(MIN.) -12.58 ::::::: :::: :::: ::. .. .: ::::: :.:::::::! :::: :::: :::: ::-.:: :::!: ::::: :'.::::::::::::: :::::::::: !!!:: !'.:::::-.: :::::::::::::: ::,::: ::::: :::::::::: :'.::: ::::':. :::.:::.::: ::::: ::.:: ::::: ::::: :::::::::::.: :::: :::::::::: ::::: ::::: :::: :::: ::::: ::-.::::::: ::::: :::: ::::: ::::: :::::::: ::::::::: ::::: :::: ::::: ::::: ::::: :::. .. .: :::: ~.:::::::: ::::: ::'f":':: ::::: :::: :::::::::::::-.:::::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM :I. ARE= TIME OF CONCENTRATION (MINUTES) = 12.58 RAINFALL INTENSITY (INCH./HOUR) = 4.21 TOTAL STREAM AREA (ACRES) = 14,. :1.0 **************************************************************************** ~LOW PROCESS FROM NODE ::~;:l • 00 TO hlODE :32.00 IS CODE :::: """\ .:::. I > >:> > :>Rlyr I Dhl(:~L l'"1ETHOD I NIT I AL SUB{:)REA (.~lN?\LY~3 I B<: <: <: <: < . ::::::: ~ ~I; t~1 LC:: -I··: IE~ ~ F~ ~~ ;t~:1 ~lI": ~L~~:!: ~ ~!.~~ ·E~~ ~~ ~E~ I~~ (:~.")' -F~;' ~,: ::: t:·:,· ?,':: ~:: F:~~ ::: t::::'I"("~: F~ ·F·::::: (~ ·C OO "): E:: F:: ·F·: ~I'" 'C"~ :1:::: "E"~ "I':~I: ~r~ :""~:. ::::: =:: ::: ::: ~~" :: ::::: "",,::::: ::: ::.:~:: :::: ::::::: :::::::::: ::::: ::::: :::: :::: ::: :::: :::::::::::: :=::: ~) .1_00 h .. 1 J.V ... _. I'C.\ .... \ •• ,. . .... ._ . ..1) ... 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) -8.299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) :::: 5.511 SUBAREA RUNOFF (CFS) -.61 TOTAL AREA (ACRES) :::: .20 TOTAL RUNOFF(CFS) -.61 .J(. * .j(. -Yr 0)(. ** ~H' *.*,.* .j( •• )f * .*,.* * .;:. '~H*' ~(. * .j(_.* ·K· .*.*.* '~H(-* * .J( •• * .J(. -l(-* ·JorHE-.r,. * -1("* 0)(-'!{-* ~H(-·;H:H·H~··)(O .;,-.;;c •• J(--l(. 0)(. 'i'~ .J.. •• )t. ,y. •. *,.* .J( •• * -l(. ·li··)fr * 1:. * -?"r * of~ FLOW PROCESS FROM NODE 32.00 TO NODE. 33.00 IS CODE:::: 6 ----------------------------------------------------------------------------»»>CDMPUTE STREETFLOW TRAVELTIME THRU SUBAREA«<:« ::::=========~========::::=========::::====::::::::=::::======~======::::=::::±=~=::::::::~::::==::::::::========== UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 372.00 STREET LENGTH(FEET) = 580.00 CURB HEIGTH(INCHES) = 6. ~3THEET H{'~I.. .. F~'JIDTH (f':'·EEn . = 2B.OO STHEET Cf~OS~3F(.71L..1 .... WL:::CIt1r.::\I...) .... ,,0200 SPECIFIED NUMBER OF HAlFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -2.60 STREET FI...OWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 • AVERAGE FLOW VELOCITY(FEET!SEC~) -1.53 PRODUCT OF DEPTH&VELOCITY :::: .46 I STREET FLOW TRAVELTIME(MIN):::: 6.31 TC(MIN):::: 14.61 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.826 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 1.90 SUBAREA RUNOFF(CFS) -4.00 SUMMED A~EA(ACRES) = 2.10 TOTAL RUNOFFCCFS) -4.60 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTHCFEET) = .35 HALF STREET FLOODWIDTH(FEET) -11.02 FLOW VELOCITY(FEET/SEC.) = 1.73 DEPTH*VELOCITY = .60 **************************************************************************** FLOW PROCESS FROM NODE :~3. 00 TO I\IDDE 37 . 00 I S CODE· """ ------------------------------------------------------------------~--------- >:>:>:> :>CDt'1PUTE PI PEFL.Ov·} TRAt·/EL.T I 1·'1E THI:~U E:'UBAF~E{:)<: <: < < <: »»>USING USER-SPECIFIED PIPESIZE««< :::::::.:: == :::::::: :::::::::::::: :::"00: ::::: ::::: ::-:: ~:: :::: :-.:: ::::: :::::!:::::::: :::::.::: :::: :::::.:::::::::::: :-.::: ::::: ::::.: ::::: :::~ !::-.::=.:-.:; ~::!!::: ::::: !.~:: ::::::::: ::::: ::::: :::: ::. .. .: :::: ::::: ::::: :::: :::: ::~-: ::!.-: :::: :::::::: ~.:::::::::::::: :::::.::: ::.: :!':: ::!':: :::: ::::: ==::::: :!:::. :::::'::::::=:::::::::: ::::: == ::::: DEPTH OF FLOW IN 1B.0 INCH PIPE IS 4.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.):::: 13.6 UPSTREAM NODE ELEVATION = 372.00 DOWNSTREAM NODE ELEVATION = 363.00 FLUWLENGTH(FEET):::: 70.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - PIPEFlOW THRU SUBAREA (CFS) -4.60 TRAVEL TIME(MIN.):::: .09 TC(MIN.) = 14.69 1 ; **************************************************************************** FLOW PROCESS FROM NODE 34.00 TO NODE 35.00 IS CODE:::: 2 .. -.~---------~------------------------....... -----------..... I • bLll L CI....{·:j;.:;:::;; 11··: .I. C(YI 1 ell) :I. :::) II L' " SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 316.00 DOWNSTREAM ELEvATION = 374.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) -8.299 1 00 YE('·~R R('~ I NF' ALL I NTE::t"E3 I TY ( I NCHI HDUR) :::: 5. ~51 :I. SUBAREA RUNOFF(CFS) -.61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFF (CFS) -.61 . **************************************************************************** FLOW PROCESS FROM NODE 35.00 TO NODE 36.00 IS CODE = 6 --------------------------------------------------------------------------~- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ======================================================~===================== UPSTREAM ELEVATION = 374.00 DOWNSTREAM ELEVATION = STREET LENGTHCFEET) = 500.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIHAL) - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTHCFEET) = AVERAGE FLOW VELOCITY(PEET/SEC.) -1.35 PRODUCT OF DEPTH&VELOCITY = .40 STREETFLOW TRAVELTIME(MIN) = 6.18 TC(MIN) = 14.48 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.849 BOIL CLf..~,S:31FIC?iTION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEF~ICIENT = .5500 SUBAREA AREA(ACRES) = 1.60 SUBAREA RUNOFP(CFS) - SUMMED AREA(ACRES) = 1.80 TOTAL RUNOFFCCFS) - END OF SUBAREA STREETFLOW HYDRAULICS~ " I'"\{"" .t::.11 .l::.··.=- DEPTH (FEET) = .35 HALFSTREET FLODDWIDTH(FEET) -11.02 FLOI,\J VEl... DC I TY C FEET / SEC.) =:: 1. " !:.iO DEPTH*VELCJC I TY :::: r.::~ ••.. , tt ,_I.r::. ·0200 **************************************************************************~* FLOW PROCESS FROM NODE ~:'6. 00 TO NODE :::r7. 00 I S CODE :::: 4 ....... _ ........... _ ........... -... -.......................... _ ............. ": ......................... _ ........................................ _ .. _ ..... _-_ ..... -... _ ...... -..... __ ... __ ... __ ....... __ .-_ ........... __ ._-.. -_._ ............. -.......... _ ..... ""!". __ .. __ .. _ ..... _ .. - »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =========~=================================================~================ 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 FLDWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIVEN PIPE DIAMETER CINCH) = 18.00 NUMBER OF PIPES -1 PIPEFLDW THRU SUBAREA (CFS) -3.99 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 14.53 **************************************************************************** FLOW PROCESS FROM NODE ~~:'6. 00 TO NODE ~~:;7 • 00 I S CODE :::: E! I ··· _ .. ;:~: .;:~: .:~~;~;~;.~ :;~;.. ~~; ~~ _. ~~;. ... ~~; ~~~ ~ ;.~~ ~ ~ .... ~~~~; ... ~,~;; .~. ~~ ~ ~ ~~~ ~~ .. -;.; ~ ;:~ --;;:: ~ ~~; ~~ :~~:~:~:; ~ .......... _. _. _ ...... -..... ' ....... -....................... --.... ~ ..... . ===7~~=;~~~=~~;~;~~~=;~;~~;;;;7;~~~;~~~~;=:==;~;;;===================~====== SOIL.: CUiGSIF'ICATION I~; liD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .~500 SUBAREA AREA (ACRES) -2.20 SUBAREA RUNOFFCCFS) -4.65 TOTAL AREA <ACRES) -4.00 TOTAL RUNOFF(CFS) = 8.64 TC(MIN): 14.53 -----~--------------------------------------------------------------... **************************************************************************** FLOW PROCESS FROM NODE 37. 00 TO I\IODE ·"1A" 00 IS cotH:: :::.: ·4 ------------------------------------------------------------------~--------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< I »> > >UB I~,\G UBEH···t3PEC IF lED F' J.PE~~3 I ZE« < < < =:::::~;;;~:::::~;=;~;~:::::;~==7;~~=;~~~=;;;;=;;=~=;~;=;~~~~;==================~=====~= PIPEFLOW VELOCITY(FEET/SEC.)::::: 10.8 . UPSTREAM NODE ELEVATION::::: 363.00 DOllJNErrm::PI111 NODE ELEVA"n ON ::::: :342.00 FLDWLENGTH(FEET) = 500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(lNCH) ~ 1.8.00 NUMBER OF PIPES -1 PIPEFLOW THRU 8UBAHEA(CFS) -8.64 TRAVEL TIME(MIN.)::::: .77 TC(MIN.)::::: 1.5.30 **************************************************************************** FLOW PROCESS FROM NODE 37 . 00 TO !\!ODE ·t.I:·q·. 00 I S CODE ::::: 1. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =:::::=============================================================~=======~===~ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(~INUTES)::::: 15.30 RAINFALL INTENSITY (INCH./HOUR)::::: 3,,71. TOTAL STREAM AREA (ACRES)::::: 4,,00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE::::: 8.64 **************************************************************************** FLOW PROCESS FROM NODE 38.00 TO NODE 39.00 IS CODE = 2 • '-.. -.;:~: ~: .~;: .;:;~ ~~ ~;. .~. ;, ;:~ ~~ ~~ ... ~:~ ~~:;.~;;~;'-.~~;~ ;.-:; .; ~~ ;~.: ... ;, ;~~ ~~ ~ ;~ ~ ~ ... ~ ~~~;.~ ~~ ~ ~ ~ ~~:~:~ :; :~~ :~~ ............. -.. --................. -.... _ .............. -_ .. _ .. --_ ..... -~ .. . I ::::: ~"-r-:::::::=::::: :::: ::::::::: :::; ::::: :::: :::::!!::.::::: :::!! :::::::::::::: ::::: !:::::-.:: :::::::::::::::::::::::::::::::::::: ::::: ::::: ::::: :::::::::: ::::: ::::::::::.:::::::::::::::: ::::::::::::.: :-.::::::::::::::::.::::::::: ::::: :::::::::::::: :::::::::: :::::::::: =:::::::: :::.:: ::::::::::::::: :.:: =::::::: :::::':::::::::;::::::::::: =. ::::: SOIL.. CU)Sf:lIFICATIOI\! IS "D" SINGLE FAMILY DtVELOPMENT RUNOFF COEFFICIENT ~ .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION::::: 357.00 Dm.Jl"\ISTF~E(.·:)t·1 EU:::W),rI ON := ::::"54. 00 E:U::Wn 101'-.1 D I FFEREI\ICE =" :~5 " 00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES).... 7.978 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DB~INITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = SUBAREA RUNOFF(CFS) -.62 TOTAL AREA (ACRES) = TbTAL RUNOFF(CFS) - **************************************************************************** F~OW PROCESS FROM NODE ::~9. 00 TO I\lDDE 40.00 IS CDDE ::: --------------~------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< --------------------------------------------------------------------------------------------------------------------------------------------------------UF'STRE('H"1 EL .. EVAT I 01\\ :::: 354.00 DOl'JhlSTFl:EAt'1 ELPJAT I ON .= :::::50" 00 STREET LENGTH (FEET) ::::: 500.00 CURB HEIGTH(INCHES) = 6. STREET 1·-lrlLFlJ.) I DTH (FEET) ::::: 2B. 00 t3TI~E:E'1" Cr-~Clt3BFALL (DEC I 1'1AL) ... .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLDW(CFS) -B.52 STREET FLbwDEPTHCFEET) = .38 HALF STREET FLOobWIDTH(FEET) = 12.68 AVERAGE FLOW VELOCITYCFEET/SEC.)::::: 2.47 PRODUCT OF DEPTH&VELOCITY = .94 STREETFLOW TRAVELTIME(MIN) ::::: TC (~/!IN):::: 1.1. :3~:i S 1 NElLI::: F(":1l"11 LY DI:':::ljr::LDPI"1ENT Fi~UNCJFF COEFF I C lENT :::: • !5~500 SUBAREA AREACACRES) = 6.40 SUBAREA RUNOFF(CFG) -15.85 SUMMED AREACACRES) = 6.60 TOtAL RUNOFF (CFS) -16.47 END OF BI .• H3(1F(E('·~ STF~EETFLOv,I t·IYDF~r-)\,.JL. I CS ~ DEPTHCFEET) = .46 HALFSTREET FLOODWIDTH(FEET) -16.82 I FLOW VEI_DCITY (FEET ISEC.) = 2.79 DEPTHWELOClTY"' 1. 2'-< *H*******HH********.·********** ........ ".·****H**<-***·.*************H·.·******** • FLCJVJ PFi:DCE:::3S FHDI"1 NDDE 40 u 00 TO I\!ODE 44· • 00 I B CObE "_': ,q __ • _ .. _ ......... -___ ... __ .... __ .. ~ •..... MOO' __ ... _ ....... _, .. _ ....... _ ....... _ ..... _ ... _ ... "oo ...... __ • ~. _ ............... _. _oo ...... _oo ........ _ ................................... _oo. '='" .................................................. _ ... _ ... -........................... , .................... ,.-........... 0.:_' ..... -0" .... . :> >:>:> >C0I'1PUTE PI PEFU1v,I TFi:?iVELT I 1'~1E T!"'lr~U ::31 . .JBf..)I:~Er-)<: <: <: <: < :»> > >UBI 1\10 USEH--ElPECI F I ED PI PES I ZE< < < < < ===~==========================================================~============= DEPTH OF FLOW IN 18.0 INCH PIPE IG 8.2 INCHES PI PEFU:n'·J VEL.D.C I TY (FEET / SEC ft) ::: 20. '7 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 342~OO FLDWL.ENGTHCFEET) = 60.00 MANNINGS M = .012 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBEH OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -16.47 TRAVEL TIME(MIN.) = .05 TC(MIN.) = 11.40 *********************************************************************~****** FL.OW PRDCESS FRDM NOm~ 40.00 TO NCJDE 44" 00 I~3 CODE = --------------~-------------------------------------------------------~----- »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==============================================================~==========~== CONFLUENCE VAL.UES USED FOR INDEPENDENT STREAM 3 ARE: TIME DF CONCENTHATIONCMINUTES) = 11.40 HAINFALL INTENSITY (INCH./HDUR) = 4.4'7 TOTAL STREAM AHEA (ACRES) = 6.60 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 16.47 **************************************************************************** FLOW PHDCESS FHDM NODE 41.00 TO NDDE. 42. 00 I F; CODE :::: »:>:»RATIONAL. METHOD INITIAL. SUBAHEA ANALYSIS««< ::::: :~: ::':: :::::::~ :::: ::::::::: ::::: ::::: ::::: :::::::-: :::::':=.:::-:: ::::: ::::: ::::: :::: :::: :;:::::!:::.: ::: ::::: :::::::::: ::::: :::: :::: ::::::::: :::: :::::::::: ::;::::;: ::::: :.::: :::: :::: ::::: :::;:::::: ::::: :::: :::: ::::: ::::: ::::::::: ::::: ::::: :::: ::::::::: :::: ::::: ::::: ::'::.::::::::: :.-:: :::::::::: :::: ::::: ::::: ::::: :::: :::: ::::::::: ::=: :::::- SOIL CLm'3~3II:;IC(~Tlf.J1\I IS "D" SINGLE FAMILy DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL. SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTPE(.:lt'1 [LEVlH I Cit-.I ::::: ~~6~5. 00 DOWNSTREAM ELEVATION:::: 363.00 ELEVATION DIFFERENCE = 2.00' URBAN SUBAHEA OVERLAND TIME OF FLDW(MINUTES) -8.299 100 YEAR RAINFALL INTENSITyeJNCH/HOUR) = 5.511 SUBAREA RUNOFFCCFS) -.61 TOTAL AREACACRES) = .20 TOTAL RUNOFF(CFS) -.b1 **************************************************************************** FLOW PROCESS FROM NODE ·V?" 00 TO NODE .!.j.~::. 00 I G CCJDE :::: 6 ------------------------------------------------------_._--------------------»»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< I ='"~~~~~~~~:~~~~~;~~~~::="'=~~rgg===gB~~;~~~~~:~~~~~~~~:::~==;;;~~~========= STREET HALFWIDTH(FEET) :::: 28.00 STREET CROSSFAL.L(DECIMAL) = .0200 BPEC I F I ED NI..Jtv1BER DF HALFSTFU':ETS C(~I:~r.;:Y I t\IG FH..JNOFF:::: :? **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -2.36 STREET FLDWDEPTH(FEET):::: .23 HALFSTREET FLOODWIDTHCFEET):::: 5.23 I PRUDUCT OF DEPTH&VELOCITY = S T Fi: E I::: T F I..JJ l',) T F~ A 1.J E I... T IJ"1 E (t'1 I 1\1 )".:!: ~~: .. ::::: :::~ 100 YEAR RAINFALL INTENSITYCINCH!HOUR) = 4.436 SOIL CU:~B~)IFIC( .. nION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .. 5500 SUBAREA AREA (ACRES) = 1.40' SUBAREA RUNOFF (CFS) -3.42 SUMMED AREA (ACRES) = 1.60 TOTAL RUNOFFCCFS) - 4 .. 02 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) ::"~: • 26 HALFf3TF~EET FLODDt,.JlDTH (FEET> ..... 6.88 FLOW VELOCITY(FEET!SEC.) = 3.40 DEPTH*VELOCITY = .90 ********************~******************************************************* FLOW PROCESS FROM NODE 43.00 TO NODE 44 .. 00 IS CODE = 4 ---------------------------------------------------------------------------- > > >:> >COI"IPUTE PI PEFL.D\JJ TF~("~VELT:r. NE TI···IFUJ !31..JBf~HEf.~':::'::: <: < < }>}»USING USER-SPECIFIED PIPESIZE««< =~=======~=============================~==========================~========= DEPTH OF FLOW IN 18.0 INCH PIPE IS PIPEFLOW VELOCITY(FEET/SEC.) = 6.7 UPSTREAM NODE ELEVATION = 343.00 DOWNSTREAM NODE EL.EVATION = 342.00 6.7 INCHES FLDWLENGTH(FEET) = 50.00 MANNINGS N = .013 GIV~N PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES - 1 PIPEFLOW THRU SUBAREA (CFS) -4.02 TRAVEL TIME(MIN.) = .12 TC(MIN.) = 11.74 **************************************************************************** FLOW PROCESS FRDM NODE 43.00 TO NODE 44.00 IS CODE = 1 • ..". "-:. ~: ~:~: ~:. ",")' "E:: :.: ~[:. "f': 1::"1 A"-:1': "E= -"I'" I"~I' I":~ I"~ !~~: ·E··· t"~J' "r",' "E': I~I ~T~ ..... ;: :'T": "! .. ~: ~~ 1~"1' .. ". "I~:~) "1'=' ""' r"·: '(':)-I~"'I "f= 1·-1-'1 :=: ~-I ;.:: "E::: ~~ ":' ~::' .:: ... : ...... _. "". " .. , _ ... -, .... " ..... -........ _ .. , "-"-_ .. _ ........ ---....... _, -'" .................... ,. '::' .:::1. .::1 ~.'" ': . ~. _I :: •• -.:. ~.... :-:. .... .:::>" 1:-: .. t-, 'r '" toO" .. _' \.-_ .. _ 1::'1'" ' .. .: :. .... ':" ........ ':" :>:> >:> >(.)I\ID CClt'IPUTE \}(~IH I DUB C[lNFL..UENCED ~:nT~E{il""1 'v'{·)1.... Uf::'E< <: < < <: ==========================================================================~= CONFL.UENCE VALUES USED FOR INDEPENDENT STREAM 4 ARE: TIME OF CONCENTRATION (MINUTES) = 11.74 RAINFALL INTENSITY (INCH./HOUR) = 4.41 TOTAL STREAM AHEA (ACRES) = 1.60 -rUHiL ~3TFE{:'d"1 m .. INOFF (CFm (Yf CONFLUENCE: ::::: 4" 02 CONFLUENCE INFORNATION~ STREAM RUNOFF tIME INTENEITY NLJI"IBER (CFB') (t·lI N.) ( INCH / HDUR) 1 ~$4· It 7"7 1 ~~ 11 ~m 4. ~:::: 1 ~~ ~;;:': 8. i.::.L~ 1 ~5" ~~::() .. :: .... , It 71 1.1, "=!' ..... 16 .. 47 1 1 . 40 4· • .<:1·'7'0 4-·4 .. ()~2 1 1 . 71.1· 4. .. ~I·~)l:'1 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 4 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 61.68 56.30 60.18 60.71 COt'IF-UTED CC)t\IFLUENCE ES1T I t"I{HES fIRE PIS FOLLCMG: RUNOFF (CFS) = 61.68 TINE(NINUTES) = 12.583 TOTAL AREACACREE) = 26.30 ------------------------------------------------------------------------~--- »»>COMPUTE PIPEFLOW TRAVELTIME THHU SUBAREA':::«« »»>USING USER-SPECIFIED PIPESIZE««< I :::::::::: :::: :::: ::=::::::::::=::::: ::::: :::: :::: :::::-.:: ~.;:: :::.": =:::: ::::::::: :::: ::::::::: ::::: ::::: :::::::::: :::-.: ::::: ::::: ::::: ::::: ::::: ::::: !:::: ::::: ::::: :::-.: ::::: ::::: i.~: ::::: :::~!!::::::: :::::::::::::::.::~ == :::::.::.::. ::::; ;::,": ;::::.::::.::::.;:;::::::: ::::;:::::::::. ::::~ ::::: ::-.;; :::: ;:;::::;-;::.-:; ::;:: ::::: ::::;.:::; :;::::;:: :.::: DEPTH OF FLOW IN 36 .. 0 INCH PIPE IS 1~.2 INCHES UPSTREAM NODE ELEVATION::::: 342.00 DOWNSTREAM NODE ELEVATION -309.00 FLOWLENGTHCFEET) = 850~OO NANNINGS N::::: .013 (3 I VEN P I PF:~ D I (.:,lvIETEr.:;: ( INCH) ".::: ::~;6. 00 Nut·'lBr:::.:r.:;: OF F' I PES ... -:I. PIPEFLOW THRU SUBAREA(C~S) -61.68 TF~{·~I,/El_ T I HE (t'1I 1\1.)::::: • 82 TC (1"11 1\1.)·:::: 1 ~$ • 41 • .;~. -)Eo -l!' ~'t .;~. -:'!. ,,* -)!. -ll'';1!-.;~ • .;~. -;!. -j(. * -)Eo * ,1(. * .;;:. -x-* * ~'!--)Eo.;e:. -j(. -)1. * .;~. -~. * ';'i' .;~. -)1. ,* . .;~. ')!'';'l-,'!t. -l!. ·il· ,'! .. j!-.t!. 7l. * ,'! .. il-.;~. ·il· ,,*.,* .;,!. -:~. -ll . .,>!-,'>I' ,'>I' ,,>!' .:~ • .,.(. -)~ -;1· -ll . .,~ .. ~!. -)1 •• )1 •• :~; .,~. ;J! •• ;~. -)1 •• )!. ·il· • • FLOW PROCESS FROM NODE L.fA. 00 TO NODI:::: !'s0.00 I S CODE :::: :I. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =:::::====:::::=============:::::============::::::::::=================~======================= CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 13~41 RAINFALL INTENSITY (INCH./HOUR)::::: 4.04 TOTAL STREAM AREA (ACRES)::::: 26.30 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 61.68 **************************************************************************** FLOW PROCESS FROM NODE ,:.'j·8. 00 TO NClt)E 49. 00 I ~3 com::: :::: /"i -,::. »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ========================================================================:::::=== SOIL CL(..~m3IFIC(:HHJN IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT::::: .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 343.00 DO\!·JNt3TFi:E(.il'1 EU~~\Hi '1" I m·J ::::: ::::41 • 00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) - 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAREA RUNOFF (CFS) -.61 TOTAL AREACACRES) = TOTAL RUNOFFCCFS) -f 'l n Ct. **************************************************************************** FLOW PROCESS FROM NODE l~c? 00 TO NODE ~jO. 00 I'f3 CODE :::: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ============~=============================================================== UPSTREAM ELEVATION = 341.00 DOWNSTREAM ELEVATION =. 309.00 STREET LENGTHCFEET) = 800.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPEC I F' I ED I\IUt"IBER OF H~~LF~:rrRF.?~ET~3 C(.:iFi:HY I r··m . Hl.JI"HJFF::::: 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -4.18 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLOODWIDTH(FEET) = 6.88 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.53 PRODUCT OF DEPTH&VELOCITY = .93 STREEtFLDW TRAVELTIME (MIN) = 3.78 TC(MIN) = 12.08 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 4.326 SOIL .CL(:}~:H3IFIC('iTION IS liD" SINGLE FA~IILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.90 SUBAREA RUNOFF (CFS) -6.90 f;;lLWWIE:D {·mE::A (ACHES) = 3. 1. 0 "rOT tlL RUI\IOFF' (ers) _. '''/ . ~j:l. END OF SUBAREA STREETFLOW HYDRAULICS: DEP'T'H (FEET)::::: . ::;;:0 H('!JLFSTHEET FLOOD!;,) 1. DTH (FEET) ..... 8. 54 FLOW' VELOCITYCFEET/SEC.) = 4.43 DEPTH*VELOCITY = 1.32 ***************************************************~*******~*~~************* TOTAL SIHlAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFF{CFS) AT CONFLUENCE - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) •... -.. ~ ... ~~ ....... -_. _ ..... -. ~~~ ~: i·~······-·"·· -~. ~:. ~ ~' ... --. --_ .... :.:. :;~ ~ ~ ....... _ ............ _ .... -.-....... _ .. _ ....... " .... _. --. _ ....... _._.-........ -_ ..... _-..... -.. . • RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFUJENCED RUNOFF VALUES ARE AS FOLLOWS; 54 .. 1.5 !;52. £1·£1· COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 54.i5 TIME(MINUTES) -11.657 TOTAL AREACACRES) = 21.80 **************************************************************************** FLOW PROCESS FROM NODE ---~-----------------------------------------------~------------------------»»)COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ================~=========================================================== PIPEFLOW VELOCITY(FEET/SEC.) = 17.2 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 -1 PIPEFLOW THRU SUBAREA (CFS) -54.15 TRAVEL TIME(MIN.> = .44 TC(MIN.) = 12.09 ********************~******************************************************* FLOW PROCESS FROM NODE 1 :~:.~~:." 00 TO NODE 1 ------------------------------------------------------------------------~---»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATIONCMINUTES) = 12,,09 RAINFALL INTENSITY (INCH.!HoUR) = 4,,32 TOTAL STREAM AREA CACRES) = 21.80 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 54.15 **************************************************************************** FLOW PROCESS FROM NODE :::57. 00 I E) CODE :::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ========================================~=================================== SOIL CI.A~SfHFIC;ATI()N IB "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLDW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 351.00 DOWNSTREAM ELEVATION = 349.00 ELEVATION DIFFERENCE = 2.00 • URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) -8.299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5,,511 SUBAREA RUNOFF(CFS) -.61 TOTAL ARE(:'i (?)CRES) .-• 20 TOT ("H.. RI...JbIDFF C CFS) _. • l:..:I. **************************************************************************** FLOW PROCESS FROM NODE 57.00 TO NODE 58,,00 IS CODE ~ 6 ---------------------------------------------------------------------~------ ". '" '. " ". .... ••••• _ .... • ...... 'N' ......... . ===================================================~=======~================ 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) -8.03 • STREET FLOWDEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 r-!VI:::r;:('~GE FLO~'J VELDC I TY (FEET /t:;E:C.) _. ·4. '74 • I PRODUCT OF DEPTH&VELOCITY = 1.41 ~nF~EETFl .. C:II,!J TH('WELT I lilE (t'l 11'\.1) ~-::: :~:.. ~:!:,~:: TC <1"'1 HI) ==: 11 • 82 100 YEAR RAINFALL INTENSITY(INCH/HoUR) = 4.387 £30IL.. CU1SBIFICATION If.: "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AHEACACHES) = 6.10 SUBAHEA HUNOFFCCFS) -14.72 SUMMED AHEA(ACRES) = 6.30 TOTAL.. RUNOFF (CFS) -15.33 END O~ SUBAREA STREET FLOW HYDRAULICS: DEPTH (FEET):::: . ~~6 Hr-)LFSTF~EET F1.J:mm',) I DTH (FEET) -.. :I. 1. • 8!j FLOW VELOCITYCFEET/SEC.) = 5.03 DEPTH*VELOCITY = 1.83 ~*************************************************************************** FL..OW PROCESS FROM NODE ;:58" 00 TD NODE ~59 • 00 I S CODE ::::: /1 -'r ................................... _ ....... _ ......................... __ .. 00-.......... _ ....... _ ............... __ ................. _ ..... _ ............................................. _ ..... _ ................................. ..::.... _._ ........... : ........... _ ..... _: ............................ ___ ............... _ ................. _ ... .. »»>COMPUTE PIPEFLOW TRAVELTI~~ THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< =======================================================~==================== DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.5 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 322.00 OOWNSTREAM NODE ELEVATION = 321.00 FLDWLENGTHtFEET) = 40.00 MANNINGS N = .013 eIVEN PIPE DIAMETER CINCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SU8AREA(CFS) -15,,33 TRAVEL TIME(MIN.) = .06 TC(MIN.) = 11.SS 1. **************************************************************************** FLOW PROCESS FROM NODE 5B.OO TO NODE :;9" 00 I ~3 CODE ::: :I. ---------------------------------------------------------------------------- »»>DESIGNATE INDEPENDENT STREAM FOH CONFLUENCE««< ============================================================================ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATIONCMINUTES) = 11.88 RAINFALL INTENSITY (INCH.!HDUR) = 4.37 TOTAL STREAM AREA (ACRES) = 6.30 TOTAL STHEAM RUNOFFCCFS) AT CONFLUENCE = 15.33 **************************************************************************** FLOW PROCESS FROM NODE ."'" .I::' »»>RATIONAL.. METHOD INITIAL SUBAREA ANALYSIS««< --------------------------------------------------------------------------------------------------------------------------------------------------------GOIL CLJ1E:~::;tFIC{.HIDN IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I Al... ~3UBAnE{~ FLClIJ·J-.. ·I....Et\lGTH (FEET) ..... :1. 00. 00 UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 347.00 EL~VATION DIFFERENCE = 2.00 UnB{~N GUBf~F~EA OVERl...FiND T I t'IE OF FUJII,) (Iv, I ".IUTf:~S) --B. 299 100 YEAR HAINFALL INTENSITYCINCH/HOUR) =5.511 SUBAREA HUNOFFCCFS) -.61 TOTAL AREA (ACRES) = TD1AL RUNOFF(CFS) - • **************************************************************************** FLOW PROCESS FROM NODE 61.00 TO NODE 62.00 IS CODE = 6 ======================================================================~====== UPSTREAM ELEVATION = 347.00 STREET LENGTHCFEET) = 950.00 STREET HALFWIDTH(FEET) = 28.00 DD\I·n··~E)Tm~{:)t'l ELEWiT I DN ::::: :~:: 1 B. 00 CURB HEIGTH(INCHES) = 6. STREET CROSSFALLtDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ·;>l··*·TF:AVELT I t'IE COt"lr,::'uTt:::D LJE; I NG 1"'!E{)l\I FLD\·'J (CFf3) ... :~::. 2:::: STREET FLOWDEPTHCFEET) = .25 HALFSTREET FLDODWIDTH(FEET) = 6.05 AVERAGE FLOW VELOCITY(FEET/SEC.) -3.33 PRODUCT OF DEPTH&VELDCITY = .82 STREETFLOW TRAVELTIMECMIN)· == 4.75 TC(MIN) = 13w05 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.116 SOIL CLAE~HFICf."\TIOHI If~ "D" SINGLE FAMILY DEVELDPMENT RUNDFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.30 SUBAREA RUNOFF(CFS) -5.21 BUt"I/""1ED npr:~{~ (nU;:ES)::: :;-:~. ~::.;o TOT (~IL. RUI\!OFF (eFE)) .... :.i" fH END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .30 HnLFSTREET FLOODWIDTH(FEET) -8.54 FLOW VELOCITYCFEET/SEC.) = 3.43 DEPTH*VELOCITY = 1.02 **************************************************************************** FLOW PROCESS FROM NODE 62.00 TO NODE 59.00 IS CODE = 4 --------~------------------------------------------------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • =: =:;~ ::::~: ~;~ ::: ~! ~ ~ =:: ~~:~ ~:: ~~: ~ ~! ~~! ~!::=:! ~~: ~::":: ~~ ::: ::::::: :~: =: ~": == == :~":::: :::: :::: == == ~= == :::::::::::=::::: ~":: ::::: :::: ::::: ~":: ::::: ~":: ::::: =:::= =:: =::: ::: ::::: :=: :=:::= == ::::: DEPTH OF FLOW IN 18.0 INCH PLPE IS 7.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.0 UPfH-r:E{:')I'1 I\IODE ELEWi T I ON::= ~522. 00 DOWNSTREAM NODE ELEVATION = 321.00 FLOWLENGTH(FEET) = 30.00 MANNINGS hi = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -5.81 TF~("iVEL T II'.'IE (1'1 I hi.) =: .06 TC (1"'1 IN.):::: 1~$. 1() FLOW PROCESS FROM NODE 62.00 TO NODE :I. -~------~--------------------------------------------------------~---------- »»>DESIGNATE lNDEPEHIDENT STREAM FOR CDNFLUENCE««< :> > > > >{~Im) COt'/IPlJrE W:~F~ I CH..JS CDNFUJE:}.ICED f.HF~Ef:.1t~1 "/(.~)UJEf:)<: <: -::: <: < :::::!".!!!::::: ::::::::::::::::::::: :::::::::: ::::: ::: :::::;::;:::::: ::::::;:::::::::::::::::; :-.:: ::::: ::::: ::~:: :::::::::: :::::::::::::::::::::::: = ::::: ::.:::::.:::::: :::::::::: ::'H*!::::::::: ::::::::::::".::::::::::::::::.:::: ::::: :::::::::::::: ::::: :::-.: ::::::::::::::::::: :::: :::::::::::::::. ::::: :::::::: :::::::::: =: ==::::::::::..-:: == ::::: ::::-:::: CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 f:.1RE~ TIME OF tONCENTRATION(MINUTES) = 13.10 RAINFALL INTENSITY (INCH./HOUR) = 4.10 TOTAL STREAM AREA CACRES) = 2.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 5.81 CONFLUENCE INFORMATION: STREf:.1M RUNOFF TIME INTENSITY NUt'1BER (CF~3) (1'1 IN.) ( I NCH I HOUR) 1 ~5!..l tl 1. ~.5 1 ~I~~ a 09 4. -:;t")-:!" · ... '01:..· ... ' ::~:': . 1. ~i. ";!'--=!' 1. 1. 88 4 -::'..,..., .... 1._' . n ,_, I .. :.. -:r .... , 1:': d • 81 1 ~5. 10 4. 104 RAINFALL-INTENSITY-RATIO CONFLUENCE FOPMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: \ COMPU1ED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFFCCFS) = 74.82 TIME(MINUTES) -12.093 TOTAL ARE~(ACRES) -30.60 **************************************************************************** • FL.OI!·J PRDCEf.3::3 FROI·~1 NDDE :::?i. 00 TD !\IODE 118. 00 IS CDDE::;-' 4 --~~~~~~~J-t:1·1~~J-l~E~-I~·I-·F~:I~·I-·(-)~-·T-I;~~:-L··l:-I·I:1·E~-~r-·I~II;~U·-~~;~'·I;·!~~'~~~~~--------------~--------- " 0' 0' " " HJ _ .. _ • 1:... .... 'tv .l"'{ T [_.. •• • ............. I'" \ ._1'" • • • • • »»)USING USER-SPECIFIED PIPESIZE««< ====================================================~==~=======~============ DEPTH DF FLOW IN 36.0 INCH PIPE IS 14.5 INCHES PIPEFL.OW VEL.OCITYCFEET/SEC.) = 28.2 UPSTREAM NODE ELEVATION = 321.00 DOWNSTREAM NODE ELEVATION = 312.00 FLOWLENGTH(FEET) = 70.00 MANNINGS N = .013 G I '.",'EN PIPE D J. ~·~I'·IETER ( I NC1·-I) :;:-, ::::'6. 00 hn.JlvmEF~ m:: P IPE~~ ... :!. P I PEFL.m~ THF:U SUB{·)F~E('} (CFE;) ..... 74. f:L2 TRAVEL TIME(MIN.' = .04 TC{MIN.) = 12.13 **************************************************************************** FLOW PROCESS FROM NODE :I. »»)DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< =====================~====================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATION(MINUTES) = :1.2.13 RAINFALL INTENSITY (INCH./HOUR) = 4.31 TOTAL. STREAM AREA (ACRES) = 30.60 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 74.92 • I **************************************************************************** FL.OW PROCESS FROM NODE 110.00 TO NODE 111 • 00 I S CODE :::: ----------------------------------------------------------------------------»»>RATIONAL. METHOD INITIAL SUBAREA ANALYSIS««< ::::: ::.:: ::::: ::::: :::: ::::: == :::: :::: :::: :::: ::::: :::: ::::: ::::: ::::: !:::: ::::: ::::: :-.:::::: ::::: :' . .'::::::: ::::: ::::: :::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: ::::: :::: :::: ::::: ::::: :::: :::::;::: :;::: :::: ::::: :::::::.: :::-.: ::::: ::::: ::::::::: ::::: ::::::::::::: ::::: ::' .. ":::::;:;: :;:::::: :::: ::.;: :;:.-: :::::..:::::::: ::;:: :;::: :::::-.:::::: ::::: ::::: ::::: ~3() I L CL(')~3E1 I F I cr-rr I ON IS" D " SINSLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-L.ENGTH(FEET) -100.00 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) -.6:1. TOTAL ('}RE(') (ACRES) = u 2() To·rC:'IL RUNOFF (CFS) .. -.6:1. **************************************************************************** FLOW PROCESS FROM NODE 111.00 TO NODE :t 12.00 IS CODE ::: »»>COMPUTE STREETFL.OW TRAVELTIME THRU SUBAREA««< ====================================================================~======= UPSTREAM ELEVATION ~ 349.00 DOWNSTREAM EL.EVATION = 330.00 STREET LENGTH (FEET) = 750.00 CUR8 HEIGTH(INCHES) = 6. STREET HAL.FWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPEC I F I ED hll..Jt-mEF< OF 1··IAL.FS'rr.:t:EETS C(.."iHR·{ I t··K, RUNOFF = 2 -:>H TRAVELT I ~/IE Cot-'IF'UTED U!:.1 I NG 1\1E(.·~IN F~LCJl.AJ (CFE;) ... 3. 26 STREET FLOWDEPTH(FEET) = .26 HALFSTREET FLDDDWIDTHCFEET) = 6.88 AVERAGE FLOW VEL.OCITY(FEET/SEC.) -2.76 pnUDUCT OF DEPTH~l\lEUJ.c"( TY ::: • 7~:' Sn~EETFLOW TRAVELTIMECMIN) = 4.54 TCCMIN) = 12.84 100 YEAR RAINFALL INTENSITYCINCH/HOUR) -4.160 ~30IL CL(~S~3IFICt-nION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ~;UBi~~RE(~ (':)FU::(":) «('·K;F;:E~:3)"" 2. :::'0 SUB{-~RE('" Fi:UNOFF (CFS) .... , 5. 2b SUMMED AREA (ACRES) = 2.50 TOTAL RUNDFFCCFS) = 5.87 END OF SUBAREA STREET FLOW HYDRAULICS~ • DEPTH (FEE::"I'):::: . :~:.O HALFBTREr:::r FLf..lODI;J I DTH (FEET) :::: 8. :;4 FLOW VELOCITY(FEET/SEC.) = 3.46 DEPTH*VELOCITY = 1.03 • I **************************************************************************** FLOW PROCESS FROM NODE 112.00 TO NODE 118.00 IS CODE = 4 ---------------------------------------------------------------~--------~--- »»>COMPUTE PIPEFlOW TRAVELtIME THRU SUBAREA««< »»>USING UBER-SPECIFIED PIPEBIZE««< ======================================~===================================== DF.:::F'TH OF FLOW IN 1 E3. 0 I NCI· .. I PI F'E I B 4. 7 I NO'IES PIPEFLOW VELOCITY(FEET/SEC.) = 15.8 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = FLOWLENGTHCFEET) = 100.00 GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREACCFS) - TRAVEL TIME(MIN.) = .11 :314.00 MANNINGS N = .013 18.00 NUMBER OF PIPES - **************************************************************************** FLOW PROCESS FROM NODE :1.12.00 TD NODE 118.00 IS CODE :::= 1 --------------------------------------------------------------------~------- »»>DESIGI~ATE INDEPENDENT STREAM FOR CONFLUENCE««< =============~===================================~========~================= cm~FLUEhICE:: VALUES USED FOR I NDEPI:::I'\!I)E::t'-lT ~·HFi:E(.~t'1 2 (..:lF~E:: TIME OF CONCENTRATIDNCMINUTEB) = 12.94 r~(..~ I NFALL I I'.ITENS I TY (I r··.ICI·-\" I HOUF() ::::: Ll-.. 1,q· TOTAL STREAM AREA (ACRES) = 2.50 TOTAL STREAM RUNDFF(CFS) AT CONFLUENCE = 5,,87 **************************************************************************** FLOW PROCESS FROM NOD~ 116.00 TD r,IODE 117. 00 I B CODE ::::: »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================~======================= SOIL CL(.:I~:mIFICATION 1:3 "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH (FEET) -650.00 UPBTREAM 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 NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDB COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5,,072 SUBAREA RUNOFF(CFS) -3.45 TOTAL AREAtACRES) = .80 TOTAL RUNOFFCCFS) -3.45 **************************************************************************** f~lr)"J' f~f~nrf.:co f~Fln~1 to(II'E ... _If \_.~ .... \.J .. ;') 'R,.I' :.t.J .... 11'7.00 TO NODE 118.00 IE; CODE :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ::: :>:>:> >USI I'-IF] UBEF:': .. -BPEC I F I ED l:t· I P[7~!3 I 'lE< -::: <: -< < ::::: :-.: :::::::~ :' .... .:;:::: ::::: ::~: :::::::::: ::::: ;:::::::: :::::.::::: ::::: ::::: !!::::::: ::::: ::: :::: ::::::;.:: ::::: ::::: ::::::::: :~:: ~::: :::: ;;::; ,;::: ;:;r :;:::;:: ;:::::.-:: --=::: ;:::: :j::: ::;= ::::::::; ::::: :::: ::::: =:: :::::..:. .. .:: ;.-.;: =.: ~::::-:::: ::::-:-.::!..:::: ::!: ::::. : .... .: -:-.::: :::: :.::: :;::: ::::: !!:::::;!:" :!~: ::-.:: ::::: ::::! :-..::: ;:" :::!: ::.:; ::::: PIPEF~OW VELOCITYCFEET/SEC.) = 9.7 UPSTREAM NODE ELEVATION = 319.00 DOWNSTREAM NODE ELEVATION = 314.00 FLOWLENGTHCFEET) = 80.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -3.45 • TRAVEL TIME(MIN.) = .14 TCCMIN.) = • I **************************************************************************** FLOW PROCESS FROM NODE 117.00 TO NODE 1 :l8. 00 IS CODE "::: :I. ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AI~D COMF~TE VARIOUS CONFLUENCED STREAM VALUES««< ======================~===================================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE~ TIME OF CONCENTRATIONCMINUTES) = 9.58 RAINFALL INTENSITY (INCH./HOUR) = 5.02 TOTAL STREAM AREA (ACRES) = .80 TOTA~ STREAM RUNOFF (CFS) AT CONFLUENCE = 3.45 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) CINCH/HOUR) ----------------------------------------------------------------------------1 7·{l . 8~:~ 1.2. 1 ~:. 4. ~$j. 3 2 t:!!' -_J. 87 1211 94 4. j -<"I.::) • •. _I,-.~ .. ," -.::1 .,,'" .~:I n 4~5 '7' • 58 :::5 u ():;:~~:.i RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS~ RUNOFFCCFS) = 83.41 TIMECMINUTES) -12.134 TOTAL AREA(ACRES) = **************************************************************************** FLOW PROCESS FROM NODE 1:1.8.00 TO NODE :I. 22.00 I!3 CODE:: ":: »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< =====================================================~===============~====== 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.313 BOIL CLJ~SSIFIC{')TIDn IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 BUBAREA AREACACRES) -2.40 SUBAREA RUNOFFCCFS) -5.69 TOTAL AREACACRES) -36.30 TOTAL RUNOFF (CFS) = 89.1:1. TC(MIN) = 12.13 **************************************************************************** FU)1;4 PRCJCEE3!3 FRDt·1 !\mDE 122. 00 TO I\lODE 66. 00 I S CODE ::" 4-----------------------------------------------------------------------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============~======~=====================================================~== DEPTH OF FLOW IN 48.0 INCH PIPE IS 28.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 1:1..3 UPSTREAM NODE ELEVATION = DOWNSTREAM NODE ELEVATION = F::-LC11'Jl [:~~\1(:-1-1--1 (F-F.::-e 1-)"": ""(')C) on .. ".. ... I: .. I:J. .... c,. ...J., .. Q ... ,' GIVEN PIPE DIAMETER(INCH) = PIPEFLOW THRU SUBAREACCFS) - TRAVEL TIMECMIN.) = .74 MANNINGS N = .013 48.00 NUMBER OF PlPES - 89.1l TC(MIN.) = 12.87 • **************************************************************************** FLDW PHOCESS FROM NODE 122.00 TO NODE 66.00 IS CODE = 1 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAli FOR CONFLUENCE««< ============================================================================ CONFL.UENCE VALUES USF.::D FDF,: I NDEPEJ··.IDEhIT STHI::'(.:,1"1 1 (:~nE:: TIME OF CONCENTRATIONCMINUTES) = 12.87 RAINFALL. INTENSITY (INCH./HOUR) = 4.15 TOTAL STREAM AREA CACRES) = 36.30 TOT(':~L BTF~E(.iI'1 RUNOFF (CFS) AT CDNr::-U..JENCE :::: 1317'. 1 j, **************************************************************************** FLOW PROCESS FROM NODE 67.00 TO NODE 68.00 IS CODE = 2 »»>RATIONAl METHOD INITIAL SUBAREA ANAL.YSIS««< ============================================================================ SOIL CL{-'S~:3IF'ICATION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTHEAM ELEVATION = 291.00 DOWNSTHEAM ELEVATION = ELEVATION DIFFERENCE = URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) - 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 E)UB("'RE{:~ HUhlDFF (CFS) -" TOTAL AREA (ACRES) = .61 .20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 68.00 TO NODE 66.00 IS CODE = 6 • . ,," -" .:~ ~~ ~:" .:~ ~"(."~ (~: '-1" f-:~ '''-I ~r~ ;~: .,," ;,: 1-~ F"~: ;. E~'~ ,''': ~~: ,-" ('''1'''''''; "." ~-r: F":~ .:~ ;"; E"~~ l'"'' ::,': '1"" t·~·~, E~: ... " ::r': :''', F~~ -, ",00'" ::: ',-, ~~ ~~ f~~ 'E':: 'A"" :~ .~ :~ ~~ .:~ •.•. ". " .... -.-00--....... ---.. " _ ... -.-,,-.. ~ .. -_ .. --_. >, .,:' ,,:' i" )' .,:' .. : J \' ';...... I:::. ."::1 \ I::' .. :. r" .... .. ,J-.I "~ (..:1 't-..:. .. ..... r' .< _ ~:::t ._ .d t.,s .. \ .~ ............. ':" ':" I ======================================================================~===== UP~3TnE{-\t'1 El...EWYf I ON :::: 290. 00 DCJ~\JNt:;TREPlt"l EU::W·) T I 01\1 ::: STHEET LEHIGTH (FEET)::: BOO. 00 CUF~:B HEIGTH (IhICHES3) ::: 6" STREET HAlFWIDTHCFEET) = 28.00 STREET CROSSFAl...L(DECIMALY - SPECIFIED NUMBER OF HALFSTREETS CARRYING HUhlO~F = 2 **TnAVElTIME COMPUTED USING MEAN FLoW(CFS) - STHEET FLOWDEPTH(FEET) = .31 HALF STREET FLOODWIDTH(FEET) = AVERAGE FLOW VELOCITYCFEET!SEC.) - PRODUCT OF DEPTH&VELOCITY = .. 7<) ...... -'""'at::." .,::.11 .I!':. •.. ..1 STREET FLOW TRAVELTIME(MIN) = 5.94 TC (r'1 IN) ::: 100 YEAn nAINFALL INTENSITYCINCH/HOUR) = 3.891 SOIL CLJ~S~.:nFH:;{:~Tlm·.1 IS "0" 14,,24 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAHEA AREA CACHES) = SUMMED AREA (ACRES) = 3.60 SUBAHEA RUNOFF(C~S) - 3.80 TOTAL RUNOFFCCFS) - END OF SUBAHEA STREET FLOW HYDHAULICS~ 1.". 1.\.7 7 n 7() DEPTH (FEET) = .38 HAlFSTREET FlDODWIDTHCFEET) -12.613 FLOW VELOCITYCFEET/SEC.) = 2.41 DEPTH*VELOCITY = .91 ,,0200 **************************************************************************** I FLOW F'HDC!:::E3S FHDt'1 NUDE 6fi. 00 TC'J "'lODE 66. 00 I!3 CODE = 1 --:::::~"':~"I-f::I·~~l:I:-·I-:I·I·)""[:F~·E~t-II-)··1:"t~:1:-~:1::[~~"t~1-·F:"c")·~-r:{·J-:II:·L-I·J-I:·I~"r:f:::::::--------~------------.................... }.J :: .. ,:j .:.J ,\ (-'I ::. _1'\ .. ': .. ::. \ _ ::. .... ., -..J 1""\ --:.1'''1· .-r'!.,; .. 01 1\'" ... :::. 'I ~ :.: '!" ':" ':" ':" ':" =~========================================================================== ccmFLUENCE VALUES Uf:3ED FOr;: I NDEF'ENDENT STHE('~1'1 2 Pd:;:E: TIME OF CDNCENTRATIONCMINUTES) = 14.24 RAINFAll INTENSITY (INCH./HOUH) = 3.89 TOTAL STREAM AREA (ACRES) = 3.80 TOT ("~1.. S"rHF('·~1'1 HI..JhlOFF (CFB) ·(.rf C('JNF LUEl''-lf.:'E: :::: 8" 3:1. **************************************************************************** FLOW PROCESS FROM NODE 63.00 TO NODE 64.00 IS CODE = 2 --------------------------------------------~--------------------------~---- ============================================================================ • SOIL CU~ElfHr::IC?HION IS "1)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 • I UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 306.00 ELEVATION DIFFERENCE = 2.00 t..lRB{"'lN ~3UBAF~EA Olv'EHI...?~ND T I t"'IE OF FLm,j (t1 I NUTE:S) _. B. 299 100 YEAF~ RAINFALL INTEN!3ITY (H,ICH/HOUR) = 5. !:S1:1. SUBAREA RUNOFFCCFS) -.61 TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) -.6:1. **************************************************************************** FLOW PROCESS FROM NODE 64.00 TO NODE 65.00 IS CODE = 6 -------------------------------------------------------------_._------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< ===========================:==================================:============= UPSTREAM ELEVATION = 305.00 DOWNSTREAM ELEVATION = 282.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HAL~WIDTH(FEET) = 28.00 STREET CROSS FALL (DECIMAL) -.0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNCWF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -4.1:1. STREET FLOWDEPTH(FEET) = .2S HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITY(FEET/SEC.) -2.88 PRODUCT OF DEPTH&VELOCITY = .81 STREETF·I .. o~'J Tr~(')l../EL..T I tT1E (t1 I hi) :~" 5. :':::l TC (\'''\ IN) ::: :I. ~:;. ~:iO 100 YEAR RAINFALL INTENSITY(INCH!HOUR~ = 4.025 BOIL CLASE:)IFJ.Cf.'~TION J.t3"D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFFCCFS) - SUMMED AREA (ACRES) = 3.30 TOTAL RUNOFF(CFS) - END OF SUBAREA STREETFLOW HYDHAULICS: DEPTHCFEET) = .3:1. HALFSTREET FLOODWIDTH(FEET) -9.37 FLOW VELOCITYCFEET/SEC.) = 3.75 DEPTH*VELOCITY = 1.18 **********************************~**********~****************************** FLOW PROCESS FROM NODE 6!::.i. 00 TO NODE 66.00 IS CClDE :::; »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ============================================================~=============== DEPTH OF FLOW IN :1.8.0 INCH PIPE IS 10.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.4 UPSTREAM NODE ELEVATION = 283.00 DOWNSTHEAM NODE ELEVATION = 282.00 FLOWLENGTH(FEET) =. 60.00 MANNINGS N = ,013 13 I VEt--1 P J. FE D I {~t"1ETER ( INCH):::: 1.8. 00 NUr!IBEF~ OF P I PEE .-. PIPEFLOW THRU SUBAREA (CFS) -7.47 TRAVEL TIMECMIN.) = .14 T[(MIN.) = 1.3.64 . *********************************************************************t****** FLOW PROCESS FROM NODE 6~5" 00 TO NODE p6. 00 I~3 CODE ::0 1 ---------------------------------------------~------------------------------:-: >.> > ::'DEf3 I f':l!···!{yn:: 1. ND[PENDEJfr STF: E{:) t···, FOF;~ CONFLt..lf::}··ICE:.< <: <: <: <: »»>AND COMPUTE VARIOUS CONFLUFNCED STREAM VALUES««< C;UI···lFL..!...JI:::.hIC;I::, '··,,"[::ILI..J[:;3 UbEJ.:) FUr:;: 1 NI)EFEb!DEI'rr ~:J"I r;:E(:11"1 :.::. PI!:':'!::':; TIME OF CONCENTRATION(MINUTES) = 13.64 RAINFALL INTENSITY (INCH./HOUR) = 4.00 TOTAL STREAM AREA (ACRES) = 3.30 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE -7.47 I CONFLUENCE INFORMATION: BTF;:E("1~·1 RUhrOFF T I ~/IE I NlENf3 I TY NUHBEF< (eFS) (1'11 N.) ( I NCH/HDUR) • , 1 ~:~jl..'? " 1 1 :l:2 K t17 4. 11:"'" . W.l!: :~:':': 8ft ~~:'1 :l Lf. • 24 ~:; II 891 ~~ 7. 47 13. 64 4. 000 R?) I I\IF' {·\LL"·· I NTENS I TY ·,·f:;;C::1T I 0 CONFU...IENCr:: FDRt1ULPI USED FCJF~ ::::; STF~E(II'"1S VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 104.09 99h07 101.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS~ RUNOFFCCFS) = 104.09 TIME(MINUTES) -12.871 TOTAL AREA(ACRES) = 43.40 **************************************************************************** FLOW PROCESS FROM NODE 11 '1. 00 TO hlODE 120. 00 I S Cf.mr::~ :"= »»>RAtIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CU~SSIFIC(.nIDN IE "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) -100.00 UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 306.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA DVERLAND TIME OF FLOWCMINUTES) -8.299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAREA RUNOFFCCFS) -.61 TDH'1L f:)r~:Fa:) (ACREf.:)) "::: n 20 TOT AI.... PUt\IDFT' (CFrn ..... .. 6:1. **************************************************************************** FLOW PROCESS FROM NODE 120. 00 TU r···.IODE 121 n 00 IS CODE ::::: »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ============================================================================ UPSTREAM ELEVATION = 308.00 DOWNSTREAM ELEVATION = 288.00 STF:EET LENGTH (FEET) == 4~30. 00 CUF.:B HI::I GTH ( I I\ICHEf.-3) = (;. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -3.75 STREET FLOWDEPTHCFEET) = .25 HALF STREET FLOODWIDTH(FEET) = 6.05 AVERAGE FLOW VELOCITYCFEET/SEC.) -3.97 'PRODUCT OF DEPTH&VELUCITY = .96 STI=i:EETFI...OV4 TR(..')\lELT I t··1E C 1"1 I 1\1) = 1 • 94 TC (t-1 IN)::::: 10 n 24 100 YEAR RAINFALl... INTENSITYCINCH/HOUR) = 4.813 SO I L.. Cl.{:,;.;3::3 I F I C("\T I ON I!3 II D II E; I t···.IC7:iLE FP,t"'I I L.. 'y' Dr:::\}EL..DPt"IE~'IT F~Ut\I[)FF CDE::FF~ I C lENT :::: . ~5500 SUBAREA AREA (ACRES) = 2.40 SUBAREA RUNOFF(CFS) -6.35 BUMMED AREA (ACRES) = 2.60 TOTAl... RUNOFF (CFS) = 6.96 END 6F SUBAREA STREETFLOW HYDRAULICS~ DEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.54 FLOW VELOCITY(FEET/SEC.) -4.11 DEPTH*VELOCITY = 1.22 FLOW PROCESG PROM NODE t:/'1. 00 TCJ N(JnE:~ 7Q.OO Ib CUDE - ..... ~ ___ .... __ .. , .......... _. _ ............ "oo ... 0 .. _0 ___ ... _H, __ ..... _ .. _ ........ _ .......... _ ... __ ....... _ ........................... Oo. _ ............. ""0"_ ............ oo ............. _ .......... __ • __ "'" .. _ ........ _ .......... _H ...... _ ............... -................ -.................... _ -..... --... ~-...... . ===========~=============================~========~========================~ I ~3DIL CLPISE)IF~IC{1TI[lhl '[S "0" SINGLE FAMILY DEVELOPMENT HUNOFF 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) -B.299 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) -.61 TOTAL AREACACREG) = .20 TOTAL RUNOFF(CFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE 70.00 TO NODE 71.00 IS CODE = 6 ---------------------------------------------------------------------------- »»>COMPUTE STREETFLOW TRAVELTIME THRU 6UBAREA««< ============================================================================ UPSTREAM ELEVATION = 349.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTHCFEET) = 1000.00 CURB HEIGTH(INCHES) = 6. STREET HAlFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAV~lTIME COMPUTED USING MEAN FLOW(CFS) -8.24 STREET FLOWDEPTH(FEET) = .28 HALF STREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITYCFEET/SEC.) -5.78 PRODUCT OF DEPTH&VELOCITY = 1.62 STREET FLOW TRAVELTIME(MIN) = 2.88 TCCMIN) = 11.18 '. 10(! YE('·W~ nAINF('~LL II\ITENGITYCINCHll··IOUH) :::: 4.547 ~:;O I L CL(:~E;B I F I CAT IDf···.1 I S II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) -15~25 SUMMED AREA (ACRES) = 6.30 TOTAL RUNOFF(CFS) -15.86 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .35 HALFSTREET FLOODWIDTH(FE~T) -11.02 FLOW VELOCITY(FEETlSEC.) = 5.95 DEPTH*VELOCITY = 2.06 **************************************************************************** FLOW PROCESS FROM NODE 71 .. 00 TO HODE 7B.OO tB CODE =": »»>COMPUTE PIPEFlOW TRAVELTIME THRU SUBAREA«<~< »»>USING USER-SPECIFIED PIPESIZE««< 4 ============================================================================ DEPTH O~ FLOW IN 24.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEETlSEC.) = 12.1 UPSTHEAM NODE ELEVATION = 277.00 DOWNSTREAM NODE ELEVATION = 274.00 FLOWLENGTH(FEET) = 80.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER O~ PIPES -1 PIPEFLOW THRU SUBAREA (CFS) = 15.86 TRAVEL TIMECMIN.) = .11 TC(MIN.) = 11.29 ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CDNFLUENCE««< ============================================================================ CONFLUEt'.]CE 1')(·\LUf:~n U!3ED FLm I NDEPf::J-LDf::lrr f,)THEAt"1 :1. (·mE ~ TIME OF CONCENTRATION{MINUTES) -11.29 TOTAL STREAM AREA CACRES):::: 6.30 TOTr-:·iL. GTF~E(.:~II"1 r-~UNOFF (CFB) (.'.)T CDNFLUEI\ICE .. - **************************************************************************** , FLm~ pm:JCES!:3 FRot1 NODE 72. 00 TO NODE T::'. 00 I S CODE = 2 ---------------------------------------------------------------------------- »»>R(~TIClI\I(.·~L t''IETHOD INITI(.~L HUBrll:;:Ef:~ ANALYt3IS««< ============================================================================ • ~mIL CU:1SBIF'ICf-iTION IS "!)" SINGLE FA~IILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL BUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 323.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 100 YEAR RAINFALL INTENSITY(INCH!HDUR) = 5.511 .61 SUBAREA RUNOFFCCFS) - TOTAL AREACACRESJ = .20 TOTAL RUNOFFCCFS) - FLOW PRDCEBS FROM NODE 7~:'. 00 TO NODE 74.00 IS CODE ::::: ---------------------------------------------------------------------------- »»>COMPU1~ STREETFLOW TRAVELTIME THRU SUBAREA««< ========~=====~===========~===================================~============= UPSTREAM ELEVATION = 323.00 DOWNSTREAM ELEVATION = 275.00 STREET LENGTH (FEET) = 850.00 CURB HEIGTH(INCHES) ~ 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ~\·*TnAlv'[:l .. Tn·IE COi"'If'::'UTED USING f'vIE(')N FLOW (CFS) _... ~::;. f:m STREET FLOWDEPTHCFEET) = .25 HALFSTREET FLOODWIDTH(FE~T) = 6.05 AVERAGE FLOW VELOCITYCFEET/SEC.) -3.98 PRODUCT OF DEPTH&VELOCITY = .98 STREETFLOW TRAVELTIME(MIN) = 3.56 TC(MIN) = 11.86 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.377 SO 11.... CLPISEl! F' I CAT ION I SliD II E1IN13LE F{·~I'IIL..Y DEVELOF:'I"IENT PUNOFF COEFFICIENT ::~ . ';5500 SUBAREA AREA (ACRES) = 2.70 SUBAREA RUNOFF (CFS) -6.50 SUMMED AREA(ACRES) = 2.90 TOTAL RUNOFF (CFS) -7.11 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) ::: " :,28 HALFSTREET FLOOmJ I DTH (FEET) ._.. "7. 71 FLOW VELOCITY(FEET/SEC.) = 4.98 DEPTH*VELOCITY = 1.40 **************************************************************************** FLOW PROCESS FROM NODE 74.00 TO 1\IDDE 7B.OO IB CODE ::: ---------------------------------------------------------------------------- > > > > :::,CDI"'1PUTE PI PEFLClv·) TRN·.t'ELT 11"'1E Tl .. mU S'.JE:(.~IHE(·~< -< <: < <: »»>USING USER-SPECIFIED PIPESIZE««< ==~~=~=~==================================~~================================ • DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.2 INCHES PIPEFLOW VELOCITY(FEET!SEC.) = 7.8 UPSTREAM NODE E~EVATION = DOWNSTREAM NODE ELEVATION = FLDI/·JLENGTI·I (Fr::::ET) = ~:.;O" 00 GIVEN PIPE DIAMETER(INCH) = PIPE~LOW THnU SUBAREACCFS) TRAVEL TIMECMIN.) = .11 MANNINGS N = .013 18.00 NUMBER OF PIPES - 7. 11 TC (i"1 11'·1.)::::: 11 • 97 FLOW PROCE~3 FROM NODE. 74 .. 00 'TO NODE 7£i. 00 H3 com:: ::: :l. ==================~==================~=========~==============~============= CONFLUtNCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CDNCENTRATIONCMINUTES) = 11.97 RAINFALL INTENSITY (INCH./HOUR) = 4.35 I TOTAL STREAM AREA (ACRES) = 2.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 7, U. • **************************************************************************** FLOW PROCESS FROM NODE 75.00 TO NODE 76.00 18 CODE = 2 ---------------------~----------------------------~------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< =============================================~===========~====~============= SOIL CU~S!::;IFIc?HION IS "DIt SINGLE F (11"·1 I LY DEt.,,'ELDF'I-'lENT RUNOFF COEFF I C I EHT ::::: . 5!::500 INITIAL SUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 319.00 DOWNSTREAM ELEVATION = ELEVATION DIFFERENCE = :~:'17.00 :::::.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 100 YEnR R{i I I'·~F ?\L..L I I\ITEN~3 I r{ ( I 1···1CH,I 1 .. ·IOUr;:) ::;: 5. ~.5 11 SUBAREA RUNUFF(CFS) - TOTnL AREA (ACRES) = .61 .20 TOTAL RUNOFF(CFS) -1161 **************************************************************************** FLOW PROCESS FROM NODE 76.00 TO NDDE 77.00 H3 CODE "'"' ---------------------------------------------------------------------------- »»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< ::::: :::: ::::; ::::: :::: :::-.: ::::: = ::::: ::::: :-.:: :::::;::::::::::: =:::: :::: ::::: :::::::::::: :::: :::: ::-.:: ::::::::::::: :::::::::::::::::::::: :::: ::-~": ::;::::::: :::: ::::: :::: :::::::: :-.::: ::::::::: ::::: ::::: :::: ::::: ::::: :::::::: :::: ::::: ::::::: ::::: ::::::::::::: :.::: ::::: :::::::-.:; ::::: ::: :::::::::::;:::::: ::::: ::;: :;:!-::::: :::::::::: UPSTREAM ELEVATiON = 317.00 DOWNSTREAM ELEVATION = 278.00 STREET LENGTH (FEET) = 750.00 CURB HEIGTH(INCHESJ = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALL(DECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING ruJNOFF = 2 .y""x·TFH~VE] .... r I t,·w: cm'1FUTED US I biD 1··1E(.~t\1 FL.D!fJ (eFS)·-2.22 STREET FLOWDEPTH(FEET) = .21 H('·H . .FBTF;:EET FLOODvJ I DTH (FEET) :"= i.l. L1(; AVERAGE FLOW VELOCITY(FEET/8EC.) -3.56 Pr;:ODUCT OF DEF'TH&VELOCITY = .76 STREET FLOW TRAVELTIMECMIN) = 3.51 TCeMIN) = 11.81 100 YEAR RAINFALL INTENSITY (INCH!HOUR) = 4.389 Em I L.. CLAf:;fH F I CfYrI Ot,1 18 "D II S I NC3L.E F (.11"1 II.. .. Y DEVELOPlylEhlT F~UI\lm:-r:: CCiEFF I C I EI'H ::::: . 5~500 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFFCCFS) -3.14 SUMMED AREn(ACRES) = 1.50 TOTAL RUNOFF(CFS) -3.74 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .25 HALFSTREET FLDODWIDTH(FEET) -6.05 FLOW VELOCITY(FEET/SEC.) = 3.86 DEPTH*VELOCITY = .96 **************************************************************************** "77. 00 TO NcmE 7El. 00 I f.:) CODE ::: ·1· ............... '"'' ................................................... _ ..... _ .............. __ ............... _ .. " .......... _ .. _ .. __ ................... _._ .......... -..... __ ................................... _ ....... "t" ...... _ .......... "':"" _ ......... _ ...... _ ............... ___ ... _ .................... ,. __ 00 _ ....... _ ..... .. »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< .==~~;~~~~F~~~~;7~;;~7~~~!;~~~!~~;~;;7;::~;~;=~~~~~~=='~"'======""=======~====== PIPEFLOW VELOCITY(FEET/SEC.) = 9.2 UF'ST~EAM NODE ELEVATION = 278.00 DOWNSTREAM NODE ELEVATION = 274.00 FLOWLENGTH(FEET) = 80.00 MANNIHGS N = .013 G I \',1 Et",1 PIPE 0 I ?~t1ETEP ( I !\ICI···I):::" :I. El" 00 NLJnBf'::F~ OF F' I F'Ef3 ... 1. PIPEFL.OW THRU SUBAREACCFS) = 3.74 I I • , **************************************************************************** FLOW PROCESS FROM NODE '7"7" 00 TO hlODE 7(3,,00 IS CClDE ::: :I. »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< I :>:>:>:> > (.:1 r\!D CCWIPUTE VAH I OUS CONFU..JE:]\ICED STF~E(.:11·"1 W~LUEE;< < < <.::: . ==~~~;~~~~~~=~;~~~~=~~~~=;~;=;~~~;~~~~~~=~;~~;~==;=;~~;===================== TIME OF CONCENTRATION (MINUTES) = 11.96 RAINFALL INTENSITY (INCH,,/HOUR) = 4.35 TOTAL STREAM AREA (ACRES) = 1.50 TOTAL STREAM HUNOFF(CFS) AT CONFLUENCE = 3.74 CONFLUENCE INFORMATION~ STREAM RUNOFF TIME INTENSITY NUl"iBER (CFS) (11Il'·~.) (n.ICHlHOI..,JR) ---------------------------------------~----------------~------------------- 1 1 ~5" f:36 1 1 " 29 4. ~)18 ~7:: -7 I • 1 1 1 1 . 97 1.1· • 3~5~,~: ":r ":r 74 1 1 M' 4. ":'-c:'c:." ..... ' .... t" . '1 (':j ".:I....1 ... J RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CoNFLUENCED RUNOFF VALUES ARE AS FdLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 26431 TIME(MINUTES) -11.292 TOTAL AREA (ACRES) -10.70 **************************************************************************** FLOW PROCESS FROM NODE 78.00 TO NODE 82.00 IS CODE = 4 . • ••••• •••• _ ..... _ ......... '" ...... , ......... _ ... _ .................. _ ....... _ .............. __ • ___ -___ ........ ___ • ___ • __ ... -.. _ ......... , .... , ..... _ ... __ • _ ...... M ~ ....... _ .. , _ ..... ,_ • __ ... _ .. , __ .......... __ ..... : _ ..... _ ............ , .... _ ..... "'''''_ ......... , .......... _ ......... ____ ........ _ .... . »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»:>USING USER-SPECIFIED PIPESIZE««< =================================================================~========== DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION = 274.00 DOWNSTREAM NODE ELEVATION = 258.00 FL.CJ',.·JLENGTH .: Ff:':ET) ::::: 300 n 00 t"1("~Nt···.1 I Nf3!3 N:::: " (11:3 GIVEN PIPE DIAMETER(INCH) = 24.00 NUMBER. OF PIPES -:I. PIPEFLOW THRU SUBAREACCFS) -26.31 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 11.61 **************************************************************************** FLOW PROCESS FROM NODE 7B.OO TCl NODE ~12" 00 IS [em I::: :::: :1. ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< :::::::::::: ::::: :::: =::: :::::=. ::::::::: ::::: ::::: ::::: ::::: :::: =-::: ::-.:: ::::::::::::::: ::: ::::.:::: :-.::: :::: :::: :::: :::::::::: ::::: ==:: :::: ::::: ::::: ::::: :;::: ':::: ::::: ::::: :."::::::::::::: :::: ;""::: :::::::::: :::::: ::::::::: :-.:: ::::::::: :::!: :'.::: ::::: :::: :::: ::::: ::-.: ;:::: :::: ::::: :::: :::::,::::: =:: ::::: :::: :::: ::::: ::::: ::::: :::: ~.:: ;::: CoNF~UENCE V0LUES USED FOR INDEPENDENT STREAM 1 ARt: TIME OF CONCENTRATIONCMINUTES) = 11.61 FUU NF ALL. I hiT ENS I TY( INCH n / HOur;:) :::: !.~ .• 4·<1- TOTAL STREAM AREA (ACRES) = 10.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.31 , ***H.·**.·*<-**************.·.·*****,,*"**U*********"'*******.·*.·. *********H***** FLOW PROCESS FROM NODE 83.00 TO NODE 84~00 IS CODE = 2 . _ ••• ___ ...... _ .. __ H. _ .......... _ ...... M'" __ ....... _ .. oo ... oo ............. _ ........................................................................ __ ... _ ........ _ .... _ ................. _ -...... ___ .. _ ....... _ ................................ _ .......... -... -................................. _ ................. _ ........... ' ... .. i »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ====================================================~::====================== SOIL. CL..p(3f.nFIC(.~TION U3 "D" S I t·M3L..E F(.)j··1 I L Y DE'VELDPt'IE}·IT HUt IOF F CDEFF I C I [NT :::: . ::i~500 I • UPSTREAM ELEVATION = 345.00 DOWNSTREAM ELEVATION -343.00 ELEVATION DIFFERENCE -2.00 URBAN SUBAREA OVERLAND TIME OF FLOWCMINUTES) - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.511 .. bl SUBAREA RUNOFFCCFS) - TOTAL AREA(ACRES) -.20 TOTAL RUNOFF (CFS) - **************************************************************************** FLOW PROCESS FROM NODE 84. 00 TO hlUDE Ell. 00 I f.:; CODE :::: ------------------------------------------------------------------------~---»»>COMPUTE STREETFLOW TRAVELTIME tHRU SUBAREA««< ==============================~=====================================~======= UPSTREAM ELEVATION = 343.00 DOWNSTREAM ELEVATION = 259.00 STREET LENGTH (FEET) = 1000.00 CURB HEIGTH(INCHES) = 6 .. STREET HALFWIDTH(FEET) = 28 .. 00 STREET CROSSFALLCDECIMAL) -.. 0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -7.95 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.71 AVERAGE FLOW VELOCITYCFEET/SEC.) -5.58 PRODUCT OF DEPTH&VELDCITY = 1 .. 56 STREET FLOW TRAVELTIME(MIN) = 2.99 TC(MIN) = 11.2~ 100 YEAR RAINFALL INTENSITYCINCH/HDUR) ~ 4.519 SOIL CU~S~3IFIC(':frION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 5.90 SUBAREA RUNOFP(CFS) = 14.66 SUMMED AREA (ACRES) = 6.10 TOTAL RUNOFF (CFS) = 15.27 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH(FEET) = .33 HALFSTREET FLOODWIDTH(FEET) = 10.20 FLOW VELOCITYCFEET/SEC.) = 6.60 DEPTH*VELOCITY -2.18 **************************************************************************** FLOW PROCESS FROM NODE B 1 • 00 TO hi CJD E: H2. 00 I~3 CODE ::::: 4 ----------------------------------------------------~----------~------------»»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==================================================================~========= DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 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 SUBAREACCFS) -15.27 TRAVEL TIME(MIN.) = .04 TC(MIN.) = 11.33 FLOW PROCESS FROM NODE 87::. 00 I E~ CODE "" :> >:> > >DES I C:H,-U1TE I NDEPEI'IDEJ-n ~;rmE(H'1 FOR CDhlFLUENCE<: <: <: -::: < =====================================================~======~======~=====~== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE~ TIME OF CONCENTRATION (MINUTES) = 11.33 RAINFALL INTENSITY (INCH./HOUR) = 4.51 TOTA~ STREAM AREA (ACRES) = 6.10 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE = 15 .. 27 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< :::= :::: =:: :::::::::: ::::::::::::::::::::::::: :::::::::::::::::::.:::::::::::::::::::::::::: :::: ::-.: :::: =:::::: :::: =::: :::: ::::::::: ::::: !!:;::::::::::: ::::: ::::: ::::: ::::: :::::: :::::::::::::: ::::::::::::::: ::::: ::::: ::::::::::::::::::::::::::::: ::-.::::::: :::-.: :::: ::::::::::::::! :.::: :::: ::;: :::::-::::: :::: ::::: ::::: :::::::: :::::::: ::::::::: :::.: :::: SO I L CLJiSE I F I CAT I (H .. J I t3 II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .. 5500 IN1TIAL SUBAnEA FLOW-LENGTH(FEET) -100.00 I UPSTREAM ELEVATION = 344.00 DOWNSTREAM ELEVATION = .342.00 ELEVATION DIFFERENCE = 2 .. 00 URBAN SUBAnEA OVERLAND TIME DF FLDW(MINUTES) -8.299 • 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.51.1 SUBAREA RUNOFF(CFS) -.61. TOTAL AREA (ACRES) = .20 TOTAL RUNOFF (CFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE t36.00 TO NODE 87. 00 I~3 CDDE ::: ----~-----------------------------------------------------------------------»»>COMPUTE STREET FLOW TRAVELTIME THRU SUBAREA««< =======================================~======================~===~========= UPSTREAM ELEVATION = 342.00 DOWNSTREAM ELEVATION = 269 .. 00 STREET LENGTH (FEET) = 900.00 cunB HEIGTH(INCHES) = 6. STREET HALFWIDTHCFEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -4.08 STREET FLOWDEPTHCFEET) = .23 HALFSTREET FLOODWIDTHCFEE1) = 5.23 AVERAGE FLOW VELOCITYCFEET/SEC.) -5.22 PRODUCT OF DEPTH&VELOCITY = 1.20 STREETFLDW TRAVELTIME(MIN) = 2.87 TCCMIN) = 1.1.17 100 VEARRAINFALL INTENSITV(INCH!HOUR) = 4.549 f.~~0 I L CL.{~)E;t:; I F I CAT I ON I S II D II ~3 I t'.~GLE F(:·~I··1 I L V DE\·'/ELOP~·1Et'·.IT RUI\IOFF COF::FF' I C lENT = . ~5!.:SOO SUBAREA AREACACnES) = 2.80 SUBAREA RUNOFF (CFS) -7.01 SUMMED AREACACRES) = 3.00 TOTAL RUNOFF(CFS) -7.61 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .28 HALFSTREET FLOODWIDTHCFEET) -7.71 FLOW VELOCITYCFEET/SEC.) = 5.34 DEPTH*VELOCITY = 1..50 **************************************************************************** FLOW PROCESS FROM NODE 87.00 TD NODE 1:32. 00 I E; [[[DE ::0 »»>COMPUTE PIPEFLOW TnAVEL.TIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< 1.1· =============~==========================~=================================== DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPE3TRE{·WI hlCJDE ELE\Nyr I ON:::: 269.00 DOWNSTREAM NODE ELEVATION = 258.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N:::: .013 GIVEN PIPE DIAMETER(INCH):::: 1.8.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) -7.61 TRAVEL TIME(MIN.) = .11 TC(MIN.):::: 1.1..29 , .¥.-.)t .• * * .~: *.il-.* .1(-* -l(--l(-* * -l\-* .j(-*.* *:.;--1(-'f: -l\_.* .)(--)(-·1':·1t '1t ~~-.* .. ~~ ·ri· "!~ * 'Yo -Y.-.* ~k -?,C .j". -l\-.1;(-.j(-* * .l(-.1(--It': .~:.* .)". ,'" ·1~·1t .j(_.* .* .~: .~: .~: .),c·1t .l(--!f: 'li'"'l':-'* .l(-.l(-* {{-';'i-* i';' FLm\j pnOCE!:3S FFmn t··.IODE 87 .. 00 TD t',mm~ 82 .. 00 I S CODE ::: 1. . -------------------------------------------~-------------------------------~ »»>DESIGNATE INDEPENDENT STnEAM Fon CDNFLUENCE««< »»~AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ; ::::: ::::::: :::::::::: ::::::::: =.:::~:::: ::::::::: ::::::::::::::::::::: :-.:::::: ::::::::: ::::: ::::: :::: ::::: ::'.:: :::::.::: ::::: :::: ::::::::: :.~.:::::: !" .. ":::::::;::: :::::::::::::: ::::: :.:'.!::::: :::-.:::::::::: :::::::::::::: ::::: :::.: :'.:: ::::: ::::: ::::: ::::: :::: :::::::::: :::: ::::: ::::: ;::: :::::-::::: ::::: ::.: ::-.:: :::: ==:=::::: ::::,.: :::: ::::: ::::::::: ::::; CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATIONCMINUTES) = 11.29 H('U NF('~LL n',ITENB rrv (I NCI·-I,."/HDUR) ":" !.l .• 5~::;: CONFLUENCE INFORMATION: STnE(11~1 Ft:UN1]F'F T I !'1E I 1',!TEH~:3 I T'l NUtilBER <CFS) (t'HN.) (INC;I .. ,I/HDUR) I---T.-----~nr----Inr_-----~:~~r-----------·---·----·--~----------.. ---.- RAINF'ALL-INTE!~SITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIDUS CONFLUENCED RUNOFF VALUES ARE AS FOlLOWS~ 48.82 48.76 48.68 COMPUTED CONFLUENCt ESTIMATES ARE AS FOllOWS~ RUNOF'F'CCFS) = 48.82 TIMECMINUTES) -11.611 TOTAL AREACACRES) = 19.80 **************************************************************************** FLOW pnOCESS FnOM NODE 82.00 TO NODE 88.00 IS CODE = 4 »»>COMPUTE PIPEFLOW TnAVELTIME THRU SUBAnEA««< »»>USING USER-SPECIFIED PIPESIZE««< ===~==============================================~========================= DEPTH OF FLOW IN 36.0 INCH PIPE IS 15.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.8 UPSTRE{,)I'-1 I"IODE ELEV{'~TIOt\1 ,,:: 258.00 DOWNSTREAM NODE ELEVATION = 243.00 FLOWLENGTH(FEET) = 350.(~ MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA(CFS) -48.82 • TRAVEL TIME(MIN.) = .35 TC(MIN.) = 11.96 , **************************************************************************** FLOW PROCESS FROM NODE G2" 00 TO NOD!:::': B8. (H) I f;j com:: ::: :I. •• _____ ...... -.. _ .. ____ ... __ .. __ ............. _. _ .. 0 M ••• _ ............. _., ... _ ............. _ ............ __ H, ____ ..... __ .......... ____ ....... _ ..... 0 ..... __ .. _ ....... _ ..... _ ....................... _ ........................... _ ................................... __ ....... _ .. _ ..... _., ..... __ .. _ .... . »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ==============================~=================================~=====~=~=== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE~ TIME OF CONCENTRATIONCMINUTES) = 11.96 RAINFALL INTENSITY (INCH.!HOUR) = 4.35 TOTAL STREAM AREA (ACRES) = 19.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 48.82 **************************************************************************** FLOW PROCESS FROM NODE 1:3::';' • 00 TD hlDDE <::,0. 00 IS CDnE ::::: ....... ~ ......................... _ ............................................. _ .. _ •.. _ ............ ~ _ ................... _ ............ _ ............ __ .......... __ ..... _ ... _ ..... _. __ .. _ ..... _. _ ............................. '! .............. 0.-_ .................. _ ............ _ ..... __ ;. ........................ _. ':."' ......... .. =================================================================~=~======== SOIL CL.f.)t:;;~HFICATIOhl IS "D" SINGLE FA~IILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTHCFEET) -100.00 UPSTREAM ELEVATION = 294.00 DOWNSTREAM ELEVATION = 292.00 EL.E'JPfT I Ol',,! D I FFEHENCE :::: 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW (MINUTES) -8.299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAREA RUNOFFCCFS) -.6:1. TOTA~ AREA (ACRES) = .20 TOTAL RUNOFF (CFS) -.61 FLOW PROCESS FROM NODE . 90. 00 TO Nom.;:: »»>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =========================~================================================== UPSTREAM ELEVATION = 292.00 DOWNSTREAM ELEVATION = 277.00 STREET LENGTH (FEET) = 900.00 CURB HEIGTH(INCHES) = 6. I STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) -.0200 SPECIFIED NUMBER OF HALFSTREETS CARRVING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) -7.83 STREET FLOWDEPTH(FEET) = .35 HALFS1~EET FLOODWIDTH(FEET) = 11.02 • AVERAGE FLOW VELOCITV(FEET/SEC.) = 2.93 PRODUCT OF DEPTH&VELOCITV = 1.02 STREETFLOW TRAVELTIMECMIN) = 5.11 TC(MIN) = 13.41 100 YEAR RAINFALL INTENSITVCINCH/HOUR) = 4.044 SOIL. CU:l::3f:~IFICATIDt···~ IB "D" SINGL.E FAMIL.Y DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 6.30 SUBAREA RUNOFFCCFS) -14.01 SUMMED AREA (ACRES) = 6.50 TOTAL RUNOFFCCFS) -14.62 END OF SUBAREA STREETFL.OW HYDRAULICS: DEPTH (FEET) = .41 HALFSTREET FLOODWIDTHCFEET) ~ 14.34 FL.OW VELOCITY(FEET/SEC.) = 3.36 DEPTH*VELOCITY = 1.39 **************************************************************~************* FLOW PROCESS FROM NODE C? 1 • 00 TO I\IDDE 97. (H) I S CODE :::: »»>COMPUTE PIPEFLOW TRAVELTIME THRU BUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================================================================~= DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITYCFEET/SEC.) = 10.9 UPSTREAM NODE ELEVATION = 277.00 DOWNSTREAM NODE ELEVATION = 268.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = i013 GIVEN PIPE DIAMETERCINCH) = 24.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREA (CFS) -14.62 TRAVEL TIMECMIN.) = .46 TC(MIN.) = 13.87 :l. *********************~****************************************************** FLDI;J PFl:OCES:3 FHDI'v1 NODE 92.00 TO NODE '1:::::. 00 I BCODE ::: ----------------------------------------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ===============================~=====================================~====~= SOIL CU\BSIFIC(·HION IS liD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL BUBAREA FLOW-LENGTH (FEET) -100.00 UPSTREAM ELEVATION = 294.00 DOWNBTREAM ELEVATION = ELEVATION DIFFERENCE = ;:~. (>() URBAN SUBAREA OVERLAND TIME OF FL.DWCMINUTES) - 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 .,61 BUBAREA RUNOFF (CFB) - TOTAL AREA (ACRES) = .20 TOTAL RUNOFF(CFS) - , If: 'l'c'~ .j(-'*'iI-:"1: *·it-·it '~c 1(-·If .j(-* *·1l· *·it -l(-.~~.* *'il-* i{. i{-.l(-.j!-.j(-.::(-.t:-.j(-·M· * ·rc 'iI': ~~ .. j! .. y: .!!: -r: .j! .. l(-.:~ .Y,-.l(-·if 'If: .j{-.f:-.r,-.r,-.1(_.* 'i~ -l~' * ·If ~~ .. ~~ .. j!;. '1'<-'J';' * '?c 'l\' ¥,-.j(-* '~c * * ~,: .. it-1~- FLOW PROCESS FROM NODE 93.00 TO NODE 94.00 IS CDDE = 6 . ---------------------------------------------------------------------------- »»~COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< =================~===================================================~==~=== UPSTREAM ELEVATION = 292.00 STREET LENGTH (FEET) = 900.00 BTr~:EET 1···I(.:iLFt<.lIDTH (FE::ET) ::::: 21.:3" 00 SPEC I F I ED 1···.!I..H·mEI;: DF !··I{-:ll....FB"THEETS DOWNSTREAM ELEVATION = CURB HEIGTH(INCHES) = 6. E)Tr:;~EET CnOSSF i~YLL (DEC 11· ... 1(::.)1...) CARHYJN8 RUNOFF = 2 STREET FLOWDEPTH(FEETl -.33 HALFSTREET FLOODWIDTHCFEET) = 10.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.53 PRODUCT OF DEPTH&VELOCITY = 1.17 STREETFLOW TRAVELTIME{MINJ = 4.25 TCCMIN) = 12.54 I 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.221 SOIl.... C::LPISnIFIC{~TION IE3 1101' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 II I SUBAREA AREA(ACRES) = 6.40 SUBAREA RUNOFF(C~S) = 14.86 SUMMED AREACACRES) = 6.60 TOTAL RUNOFF(CFS) -15.47 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTHCFEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.51 FLOW VELOCITY(FEET!SEC.J = 3.98 DEPTH*VELOCITY = 1.58 **************************************************************************** FLOW PROCEnS FROM NODE 94.00 TO NODE 97" 00 IS CODE :::: ---------------------------------------------------~------------------------ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZ~««< ============================~==============================~================ DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.8 INCHES PIPEFLDW VELOCITY(FEET!SEC.) = 8.7 UPSTREAM NODE ELEVATION = 269.00 DOWNSTREAM NODE EL~VATION = 268.00 FLOWLENGTH(FEET) = 60.00 MANNINGS N ~ .013 GIVEN PIPE DIAMETER CINCH) = 36.00 NUMBER OF PIPES -1 PIPEFLOW THRU SUBAREA (CFS) = 15.47 TRAVEL TIME(MIN.) = .11 TCCMIN.) = 12.66 FLOW PROCESS FROM NODE 94.00 TO NDDE 97.00 IE3 CCiDE :::: 8 ----------------------------------------------------------------------------»»>ADDITION OF SUBAREA TO MAINLINE PEAK ~lOW««< ============================================================================ 1. 00 ''(E:Pin r;:f.:i I NF-~' {~ILL. I t···~TENl3 I TY ( I NeH./ ~'IOUR) ::: 4. 10:.17 f3CJIL CL .. f-'it:'SIFIC(.:\TIDN. IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) -6.30 SUBAREA RUNOFF (CFS) -14.54 TOTAL AREA (ACRES) -12.90 TOTAL. RUNOFF (CFS) = 30.01 TC(MIN) = 12.66 *************************************************************~************** FLOW PROCESS FROM NODE 97 u 00 "1"0 t···~CJnE :38. 00 I ~3 CDDE ::: ................................................ -_ ........ -........ -e .. • ...... --..... -.................... -....... -............ _, ......................... _ .............. , ...... --..... --... " ..... -.......... :0--_ ............... --..................... ", ... _ ....... _ -oo· _ ..... _ .......... __ ............... -.................... __ .............. ~ »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING USER-SPECIFIED PIPESIZE««< :::: ::::: ::::: :::: :::::::::::::::= : .. ::::::::::: =:-::: ::::::::::-.:;::::::::: :::: == :::."! :::::::::::'.::::.: =:::!'.!: :'.!:.:::::::::: ::::: :::: :::: !:::: ::::: :::::::::: :::: ::::: ::::::::::= :::::::::: ::.": ::::"::::::::::::: ::".:::::::::::::=::::::"':: ::::: ::::: :::::::: ::::: :::: ::::: ::;:::::: :.::::~::::::::::::::::::::o.:::::::.::::: ::::: :::: ::::: DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.7 UPSTREAM NDDE ELEVATION = 268.00 DOWNSTREAM NODE ELEVATION = 243.00 FLOWLENGTHCFEET} = 350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 36.00 NW1BER OF PiPES - PIPEFLOW THRU SUBAREA (CFS) -30.01 TRAVEL TIME(MIN.) = .33 TC(MIN.) = 12.99 ~ **************************************************************************** FLOW PROCESS FROM NODE 97. 00 TO t ... \ODE Em. 00 I sconE ::::: :1. ------------------------------------------------------~-------.-------------- >:>:>:> >DEf:3 J (3!\I("~TE I NDEPE:ND[;:~t\jT STHE("\\'1 FOr:;: C;Ot"FLUENCE< <: < < <: L,ut·.II ! ..• , .... : 1:::.1'""""!.... '.,. HL..i...!t:.;::; ' .. J.~~U.) 1···I...Jh. .L !-.jUl::.I"I::.hi; .. ;L!-~ i b I ! ':i:::.i···\!-i .• ::: Hi '.r:.;, TIME OF CONCENTRATION (MINUTES) = 12.99 RAINFALL INTENSITY (INCH./HOUR) = 4.13 TOTAL STREAM AREA (ACRES) = 12.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 30.01 I *********,"*******************,***'*************************,******H********** FLOW PROCESS FROM NODE 95.00 TO NODE 96.00 IS CODE ~ 2 • , -----------------------------------------------------~----------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL. CU~SHIFIC{·HION IB liD II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 HHTH1L. SUBARE:?-j FLCJ\.IJ-·-L.Et·,IGTH (FEET) ... .tOO.OO UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 278.00 ELEVATION DIFFERENCE = 2.00 URBf.:iN fJUBAF~E{~ OVEF~L?"~ND T I !'It:: OF FL.DI!J (t'1 I NUTES) ... B. 299 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 5.511 SUBAREA RUNOFF(CFS) -.61 TOTAL AREA(ACRES) = .20 TOTAL RUNOFFCCFS) -.61 **************************************************************************** FLOW PROCESS FROM NODE (]6. 00 TD NODE 98. 00 If,; CDDE :::: »»>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 HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW (CFS) -4.88 STREET FLOWDEPTH(FEET) = .25 1···h()L.F~:rrRE::ET FI ... .DODv,-, I DTI···I (FEET):::: 6. O!:5 t7~!''!ER{~!!3E FL.OI,~ \/ELCJC I T\( (FEET /SEC.) ..... ~i, o~;. PRODUCT OF DEPTH&VELOCITY = 1.24 STREETFLOW TRAVELTIME(MIN) = 1.66 TCCMIN) = 9.96 100 YEAR RAINFALL INTENSITY (INCH/HOUR) :::: 4.900 ~:)O I L CL(I~3b I F I [(.:', T I 01\1 I S II D II SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES)::::: 3.20 HUBAREA RUNOFF(CFS) -8.62 SUMMED AREA(ACRES) = 3.40 TOTAL RUNoFFCCFS) -9123 END OF SL!B{·\f~Ef·~ Sn~EE:TFI .... DV~ HYDnr-)UL... I eEl: DEPTHCFEET) = .30 HALF STREET FLOODWIDTH(FEET) -8.54 FLOW VELOCITY(FEET/SEC.) = 5.45 DEPTH*VElDCITY = 1.62 **************************************************************************** FLOW PROCESS FROM NODE 9El.OO TO NODE ElB. 00 I S CODE "'" »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< > > > > >U~3 IhlG UElER····SPE:C IF 1 ED P IPESI ZE« -::: <-::: ====================================================================~======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITY(FEET/SEG.) = 10.8 UP~3TF<E(")11 NODE: EL.l::~V()T I ON = 24~5. 00 DOWNSTREAM NODE ELEVATION = 243.00 FLOWLENGTI·-l (FEET)::::: 50.00 Nr:)hININGS N:.:: • 01~::; GIVEN PIPE DIAMETER(INCH) = 1B.00 NUMBER OF PIPES - PIPEFLOW THRU SUBAREACCFS) -9.23 TRAVEL TIME(MIN.) = .08 TCCMIN.) = 10.03 **************************************************************************** FLOW PROCESS FROM NODE ~tEl. 00 TO NODE ----------------------------------------------------------------------------»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< I ==~~~~~~~~g~:~~~~~~:~~~~:~~~~~~~~:~~~~~~:~;~~:~==;=~:~~;======"'============== RAINFALL INTENSITY (INCH.!HOUR) = 4.88 TOTAL STREAM AREA (ACRES) = 3.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.23 CONFLUENCE INFORMATIOhl~ STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) 1 1~18 n (", .. , :l.~:' 1 1 . rib 4. :~~;5!.l ~~:: ~~:;() f1 OJ, 1.2. 99 4 . .1.28 ":r 9 ~23 10. ()~~ 4" 076 ... :-. RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS~ 85.51 84.10 78.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 85.51 TIMECMINUTES) -11.958 TOTAL AREACACRES) = 36.10 **************************************************************************** FLOW PROCESS FROM NODE 100. 00 TO I\lODE 101.00 IS CODE :~': '-"\ .l!:. • »»>R{'~TIOI····.I{:~L. t~IETHCJD INITI{'~L SUBAF~E{~ (.ir'.IAI.. .. YSIS««< ============================================================================ , SD II.. .. CLfiEB I F I CI~T I 01\\ I S II D II RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 I\li:~TUFU~L IIHHEHEiHI::n N(JI'"1C}Gn{~IPH T I HE OF COI'.4CFhITH(::Q-IOHI WITH 10-MINUTES ADDED = 13,,49(MINUTES) INITIAL SUBAREA FLCJW-LENGTHCFEET) -900.00 UPSTREAM ELEVATION = DDWNSTHEAM ELEVATION = 330.00 ELEVATION DIFFERENCE = 95.00 100 YEAR RAINFALL INTENBITY(INCH/HOUR) -4.027 SUBAREA RUNOFF(CFS) -10.15 TOTAL AHEA(ACREB) = TOTAL HUNCJFF(CFB) -10. 15 **************************************************************************** FLOW PROCESS FROM NODE 101.00 TO NODE 10:3.00 IS CODE "::: . »»>COMPUTE PIPEFLOW TRAVELTIME THRU BUBAHEA««< »»>USING USER-SPECIFIED PIPESIZE««< ==========================~===================~===========~=========~======= DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.5 INCHES PIPEFLCJW VELOCITY(FEET/SEC.) = 8.5 UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = 328.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER DF PIPEB - PIPEFLOW THRU SUBAREA (CFS) -10.15 'n::;:(':~\~EL T HiE (t'H 1\1.):::: • 20 TC:: (t·n hi.)::::: 1~::' ,: 69 **************************************************************************** FLOW PROCESB FROM NODE 1: 0 1 ,,00 TO I\IODE :t O~::;. 00 I ~3 CODE ::: :l. .. ~ •..... , .... ~ ... ·00 ........... _ ... _ .;;_ .... _0 ...... _ ......... '"_''' .... ~ __ ............ _ ....... _ .............................................................................................. _ .............................. _ .......... _ ................. _ .......... w ... _ ........ _ ........ _ ................... _ ..... _ .. _ .. _ ............... . I =======================================~==================================== CONFLUENCE VALUES USED FOR INDEPENDENT STREAM TI tilf.::: OF CONCENTFU~\ T I ON (I·-I I NUTEB) '": 12:: " 69 r';:fH hIF(.:.\U_ nrn::N!3 I TY (I hICI···I. / HOUr;:) :::: ~::;" 9(;;- TOTAL STREAM AREA (ACRES) = 5.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = **************************************************************************** :1.02.00 TO Nom::: 103.00 IS CODE ::: ---------------------------------------------------------------------------- »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ============================================================================ SOIL CL.Af.33IFIC?HION IS "0" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATER3HED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.80(MINUTE3) INITIAL. 3UBAREA FLOW-L.ENGTHCFEET) -700.00 UPSTREAM ELEvATION = 340.00 DOWNSTREAM ELEVATION = 328.00 ELEVATION DIFF~RENCE = 12.00 100 YEAR RAINFALL. INTENSITY(INCH/HOUR) -3.638 SUBAREA RUNOFF(CFS) -3.60 TOT(:~L (:iRE(.·) «(')CI::::E3) ::: :l n 8(' nrrm .. m.Jt\\OFF (CFt3) -- **************************************************************************** FLOW PROCESS FROM NODE 1 (.~:~. 00 TD NODE :1. 0:3. 00 I S CODE :::: »»>DESIGNATE II~DEPENDENT STREAM FOR CONFLUENCE««< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUEEK«« :1. • ::: ".~ ~ ~~; ~~~ ~~ ~~ ~~;~ ~ ~~~ ::: ~;~;= ~ ~ ~ ~:: ~~ ~;.~~ ~ :::;;.;;::: 7;~;; ~~ ;;: ~ ;:~;; ~ ~~ ~~ =:: ;,~;:; ~~;~ ~ ~~::: ~'" ~;; ::::;~ ~~; ~~ ~= =:: :::: ::::::::: ::::: :::: :::: :::: :::: :;"::=::: ~~::: ::::::: == :::: == :~~: TIME OF CONCENTRATIONCMINUTES) = 15.80 RAINFALL INTENSITY (INCH./HOUR) == 3.64 TOTAL STREAM AREA (ACRES) = 1.80 TOTAL STREAM RUNOFFCCFS) AT CONFLUENCE::: 3.60 CDNFLUEhlCE I j\.IFClFi:t'1(.:.,·]· ION r. STREAM RUNCl~F TIME INTENSITY 1··~UI"iBEJ~ (eFE) <I\H N.) ( H\lCH/ I··HY .. .II=\) 1 1.0. 1~5 ~:;:: 1.~;. 80 :3 n ~~')<?() ~) n e.1~;~E$ RAINFAL.L.-INTENSITY-RATIO CONFLUENCE FDRMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COM~UTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 13.43 TIMECMINUTES) -13.691 TOTAL. AREACACRES) == 7.40 **************************************************************************** FL.OW PROCEES FROM NODE 1. O::~. 00 TO !\lODE :1.04" 00 IS CDDE :0-= , :::-:::-:::-:> :::·cm'1F::OUTE PI PEFLOVJ TI::;:A'··/ELT I IVI\;~ TI··HitJ l:3UB(.~nE{~< < <: < <: ==~~!~~~~!~~=~~~::~~~~!:!~~=:!:~~!!~:::::====:::====~========================== DEPTH OF FLOW IN 24.0 INCH PIPE IS :1.0.3 INCHES PIPE~L.OW VEL.OCITYCFEET/SEC.).= 10.4 UPSTREAM NODE ELEVATION = 328.00 DOVJN:::iTHEfWI NODE ELEI,,}AT I Dr,1 = ~507 .. O() FLm'JLENGTH (FEET):::: 7~:;O .. 00 NnNl'l I NGS t,! ::::: " 01 ::~; GIVEN PIPE DIAMETERCINCHi = 24.00 NUMBER OF PIPES - TRAVEL TIME(MIN~) = 1.20 TC(MIN.) = 14.89 **************************************************************************** FLOW PROCESS FROM NODE 1 O~~;. 00 TO blODE :1.04.00 IS CDDE :~"" :I. , ......... ~;;: ~;;: ~;: ~;;:~: ~~ ~ ~ ~~. ~; ~~ ~~ ~~ ~ ... ~~. ;~i~; ~~: ~ ~ i; ~~ ~~; ~:: ..... ~~ ~~~ ~ ~~ ~:~ ~~ ... ;~ ~;; .-(:; (~; ~~ ;~: ~:~ ~~;~ ;:.~~; ~~~ :;~ :;~. :;; :;~. :~._._.-.................... -......... -.-.............. -.-....... . :::: ~~ ~~; ;:;::~ ~~ ~;~ ~~;; ~~~ =~ ~~:~~;. ~~"~;; ;~; ~-';'~;~;~ =: 7~;; ~ ;~: ~~; ~~ ~ ~~ 7 = ~;: ~~ ~;.~ ~~~"" =: 7:= ~ ~~ ~ :".~: :::: =:: =::: :::: :::: :::""" ::": =:: =:: :,,:~"" == = =: ::::=::= == =: TIME OF CONCENTRATION(MINUTES) = 14.89 RAINFALL INTENSITY (INCH./HOUR) = 3.78 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.43 **************************************************************************** FLOW PROCESS FROM NODE 106.00 IS CODE = -----------------------------~----------------------------------------------»»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ::::::::::::: :::: :".::::::: ::::::.:: !".::: :::~:: :::: :::::::::::::: :::-.: ::::::::: :::::::::::::: :::: :::: :!::: =:::::-.:: :::::::::: ::::: :::::::-.::::: ::::: :::::;: ::::: ::::: ::::::::: ::::::::: :::::;:::::::::::: :::;::::::::: ==:::.::::::: :::: ::::::::::::::: :::::::::::=:::: =: :::: ::::: ::::: ::-.:: ::::: :::::':::::::::!::::: =.::: :~.!::::: :::::::: ::::: SD IL. CL('~Sf.; I F I CI~ T I 01\1 IS" D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 I NIT I PIL SUB(":lF':E{·) FUJJ'·; .. ·-LEJ,mTI .. ·1 (y.::·EF1') .... 100. 00 UPSTREAM ELEVATION = 312.00 DDWNSTREAM ELEVAtION = 310.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(~INUTEf.;) -8.299 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = ~.511 SUBAREA RUNOFF (CFS) -.61 TOTAL AREA(ACRES) = TOTAL RUNOFF (CFS) -.61 •. * *·j(7·l'!-·lH; .. ·:i .. ~·* ')1: .l{-.~: .)~.*.* .*.* .l':': .J( •• J( ... ~ .. ;~*.J(. 1(.'* ·lH(··* -It:.~ .~ .. *.*.* .y:. '~7 ~H" .J(. i\. * .;~. * *.* -l(-'*'* *.* .J(. *.j(-'J,,'W .J!:. -j(-* ii:·* .*. ·*·It·*·* * -j(-* iI: 'l':':'* * .)( .. * .)(- FLm·J PFmCEE)r~ FHDt1 NODE 106. 00 TO NODE 1. 07 . 00 I B CODE =:: 6 »»>COMPUTE STHEETFLOW TRAVELTIME THRU SUBAREA««< ====================================================================~=~===== UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = ~:;()7 II ()() STREET LENGTHCFEET) = 900.00 CURB HEIGTH(INCHEf.;) = 6. STREET HALFWIDTH(FEET) = 28.00 STREET CROSSFALLCDECIMAL) - SPECIFIED NUMBER OF HALF STREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) - STREET FLOWDEPTHCFEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.16 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = .67 1.56 STREET FLOW TRAVELTIME(MIN) = 9.61 TC(MIN) = 17.90 100 YEAR RAINFALL INTENSITY(INCHiHOUR) = 3.356 SOIL CU=~BSIFICATION IS "1)" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ooy c!!!r.::' I • ~ .. I •• J SUBAREA AREA (ACRES) = 7.20 SUBAREA RUblOFF(CFS) -13.29 SUMMED AREA (ACRES) ~ 7.40 TOTAL RUNOFF (CFS) -13.90 END OF SUBAREA STREETFLOW HYDRAULICS~ DEPTH (FEET) = .50 HALFSTREET FLOODWIDTH(FEET) -18.48 FLOW VELOCITY(FEET/SEC.) = 1.97 DEPTH*VELOCITY = .98 , .·***H***.·.·*.·************"****·*** **H.·.·***-H******.·*,·********"'******H.·.·**·,* FLOW PROCESS FROM NODE 107.00 TO blODE 104.00 IS CODE = 4 . ------------------------------------------------~--------------------------- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< I "»»>USING USER-SPECIFIED PIPESIZE««< =========================================================~=~=~======~====:== PIPEFLOW VELOCITY(FEET/SEC.) = 7.9 • 'I DOWNSTREAM NODE ELEVATION = 306.00 F·L.m·JLENF.rrl···\ (FEET) "":: 60. 00 1·'1{·\I\II\1 I hH3f:l 1\1 ::::: • 0 1 ::~; GIVEN PIPE DIAMETER(INCH) = 18.00 NUMB~R OF PIPES -1 PIPEFlOW THRU SUBAREA(CFS) = 13.90 TF'{.l'·/EL. T I t'/IE (t'l 11\1.) :::: TC(MIN.) = 18.03 -----------------------------------------------------------------~----------»»>DESIGNATE INDEPENDENT STREAM FOR CONFlUENCE««< ============================================================================ CONFL.UENCE VAL.UES USED FOR INDEPENDENT StREAM TIME OF CONCENTRATION (MINUTES) = 18.03 RAINFALL INTENSITY (INCH./HOUR) = 3.34 TOTAL STREAM AREA (ACRES) = 7.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = **************************************************************************** FLOW PROCESS FROM NODE 1 0!3. ~)O TO I\IODE :l 09 ~ 00 I S CODE ::::: ---------------------------------------------------------------------------- »»>RATIONAl METHOD INITIAL SUBAREA ANALYSIS««< =============~==========~=================================================== ED! L. CU:')E;f.~ I F I Clyr I ON I SliD II SINGL.E FAI1ILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FlOW-L.ENGTH(FEET) -100.00 UPSTREAM ELEVATION = 313.00 DOWNSTREAM ELEVATION = 311.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TINE OF FLOWCMINU'fES) -8.199 100 "{E(,:')F, R(..'iINF(.,:)LL I NTE]···.H:3 I T"l (IhID .. !/Hmm:. ::::: 5. ~)1:1. SUBAREA RUNOFF (CFS) -.61 TOTAL AREACACRES) = .20 TOTAL RUNOFF (CFS)' -.61 FLOW PROCESS FROM NODE 1 <)':? 00 'r 0 t···.j(lDE 104.00 I!3 CDDE ::::: ------------_._------------------------------------------------~-------------> >:::-> >ccmpUTE ~nRE[·:TFI.. .. DvJ TF~(.Y·!EI.. .. T I t"IE THRU ~:~LlB{.im:::{.i< -::: -::: -::: <: =================================================~====================~===== UPSTREAM ELEVATION = 311.00 DOWNSTREAM ELEVATION = 306.00 STREET LENGTHCFEET) = 550.00 CURB HEIGTH(INCHES) = 6. STREET HAlFWIDTH(FEET) = 28.00 STREET CROSSFAlL(DE~IMAL) -.0200 GPEC I F I ED NLWIBEF~ OF 1 .. ·1{41.. .. F~3'rm::ETE~ C(~F;:nY I NG FHJhIOFT' ",,: 2 **TRAVEL.TIME COMPUTED USING MEAN FLOW(CFS) -1.92 STREET FL.OWDEPTH(FEET) ~ .26 HALF STREET FLOODWIDTH(FEET) = 6.88 AVERAGE FL.OW VELOCITYCFEET/SEC.) -1.62 PRODUCT OF D8~TH&VELOCITY =' .43 STREETFL.OW TRAVELTIMECMIN) = 5.64 TCCMIN) = 13.94 100 YEAR RAINFALL INTENSITYCINCH/HOUR) = 3.944 ~::o IL. CI.3iElEl I F H.:{~ T I DN I E; II D II SINGL.E FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREACACRES) = 1.20 SUBAREA RUNOFF(CFS) -2.60 SUMMED AREA (ACRES) = 1.40 TOTAL RUNOFF(CFS) -3.21 f.:::ND OF BUH(.ir"~:E~i ElTr':;:EE·TFL..D~\j 1"IYDf~(~L1L I CB g DEPTH (FEET):::;. • ~so 1·-IblL.FBTnEl::~T FUJDDl,!·.j I DTH (FEET) -. 8 .. 54 FL.OW VEL.OCITY(FEET/S~C.) = 1.89 DEPTH*VElOCITY = .56 . **************************************************************************** FLOW PROCESS FROM NODE 1. OC'i' ,,00 TD hlODE 1. 04 • 00 1 t;l CClDr:::: .::: :!. • , »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ======~======================~======================================~======= CDNFLUr:::/\!CE Vf~L.UES USED FCJn I !",IDEPEI\IDENT E;Tr:~E(.·~t·,/ :::!; f.'iF::E ~ TIME OF CONCENTRATION (MINUTES) = 13.94 RAINFALL INTENSITY (INCH.!HDUR) ~ 3.94 TOTAL STREAM AREA (ACRES) = 1.40 TOTAL.. f.3·rPErit·,/ HU!'.IC:IF~F (CFS) PIT CDI\IFLUENCE ..... :::::. :,::~ 1 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUt"1F3EH (CFS) (/'111'.1.,) ( I NCHi I·-/OUP) ------------------------------------------------------------------------~--- 1 13u 43 14. E3<i ... , "7 .. tr:~;f ••• .'tI: :~: 1 _., . • .... I n 90 IE). (i:3 3!, 341- "":r 3a :21 1 :3. 94 '"!!" ('7' .. 1.<1-.... , .... ' " RAINFALL-INTENSITY-PAiIO CONFLUENCE FORMULA USED FOR 3 STPEAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 2E) .. 7'9 2'7 tI f~5 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 28.7'9 TIME(MINUTES) = 14.895 TOTAL AHEA(ACHES) = 16 .. 20 ============================~=========================~===================== END OF RATIONAL ME1'HOD ANALYSIS