Loading...
HomeMy WebLinkAboutCT 83-02; Sea Pines; Hydrology Report; 1983-06-18HYDROLOGY & HYDRAULIC CALCS FOR SEA PINES - CT 83-02 Manitou Engineering Company Escondido, CA By Norman C Arndt COEFFICIENT OF RUNOFF: C (consider probable development) Develooed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots~ greater than 1/2 acre) ..~G:ammerdal (2) f- 80% Impervious Industrlal (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.R. Zb.0 H. 78 RUNOFF: Q = I x CA Altitude Factor =I (Chart C) Coefficient I' C I' Soil Type ( 1 ) .45 ~ .50 .55 .30 .35 .40 .70 .75 .80 -80 .85 .90 TP Time in Houk L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru X64 PROJECT CALC- DATE- WO# 5+9 SHT z OFB - CHKD- DATE- - STATION AREA REFERENCE Am 25 0 '" .057 (50 scale) 91.8 (2000) X .918 (ZOO scale) = ZZ, f'5- ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots.-greater than 1/2 acre) .-.Commercial (2) - 80% Impervious Industrial (2) 90% Impenrious L0.R. /83 L./L30 RUNOFF: 0 = I x CA Altitude Factor f (Chart C) f 1- -x- " /hr factor - X== cf s - 1100;. " x 3'45 "/hr CA 44./cfs Coefficient I' C I' Soil Type ( 1 ) - A B C - - .40 .45 .50 .45 .50 .60 .45 .50 .55 .30 .35 .40 .70 .75 .80 .80 .85 .90 L= Distance in Miles H= Height in Feet D .55 f - .65 = .45 = .a5 = ~ .95 = Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 PROJECT CALC- DATE- CHKD- DATE- W~#~SHT 3 OF- r STATION AREA REFEERENCE 000 X .918 (200 scale) = 1 3, 4g ACRES AREA /4. b 4 0" .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban] % Land Use Residential: Single Family Multi-Units Mobile Homes ~~ral (lots greater than 1/2 acre) ,..Gammerdal (2) - 80% Impervious Industrial (2) 90% Impenrious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. 3d64 H. /m L0.R. 280 L. /w Coefficient I' C I' Soil Type ( 1 ) - A B C D - - - .40 * 45 .50 .55 = .45 .so .60 .pa= I bz- I @ .45 .so .55 .65 = .30 .35 .40 .45 = .70 .75 .a0 .8S = .80 .85 .90 .95 = TP Time in Houk L= Distance in Miles H= Height in Feet RUNOFF: 0 = I x CA Altitude Factor = (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thm IXC4 COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rum1 (lots-greater than 1/2 acre) .commercial (2) r 80% Impenrious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.R. 3ZQ H. /O+ L0.R. z/D L. /2m RUNOFF: 0 = I x CA Altitude Factor = (Chart C) Coefficient I' C I' Soil Type ( 1 ) A B - - - C - D .40 .45 .50 .55 = .45 .so .60 .78 = I70 .45 .50 .55 .65 = .30 .35 .40 .45 = .70 .75 * 80 .as = .80 .85 .90 .95 = Tc= Tim; in Houk L= Distance in Miles H= Height in Feet USE Q, = CFS USE QlOP 3M CFS Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXG 1 thru IXC4 ? STATION AREA REFERENCE AREA yt/ 4 X .918 (200 scale) = z fq3 ACRES 13" .OS7 (50 scale) 91.8 ('2000) COEFFICIENT OF RUNOFF: C (consider probable development) Develooed Areas (Urban) % Land Use Coefficient I' C I' Soil Type ( 1 ) Residential: - A - B - C D Single Family .40 .45 .so .55 = - Multi-Units .45 .so .60 -70 = 178 Mobile Homes .45 .50 .55 .65 = ~~ral (lots. greater than 1/2 acre) .30 .35 .40 .45 = Industrial (2) 90% Impervious .70 .75 .80 .85 = .80 -85 .90 .95 = a zJ7r TIME OF CONCENTRATION~C Tc = tJ . ;(L "')" L0.R. 230 L. f30 H= Height in Feet (Chart B-1) Hi.Pt. 3Za H. ?6' TP Time in Hours L= Distance in Miles RUNOFF: Q = I x CA Altitude Factor = (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXG 1 thru IXG4 7<0 7 ze. 7Y 3'8 ' &=/= S/T& PROJECT <&A r wo# 5-e SHT b OFd CALC- DATE- CHKD- DATE- - STATION AREA REFERENCE OQQ AREA /g*/g U " .OS7 (50 scale) 91.8 (2000) X .918 (200 scale) = /z I// ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient I' C I' Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .50 .55 = Multi-Units .45 .50 .60 .70 = 7O Mobile Homes .45 .50 .55 .65 = Rual (lots'greater than 1/2 acre) .30 .35 .40 .45 = ..Commerdal (2) ," - 80% Impervious Industrial (2) 90% Impenrims .70 .75 .EO .85 = .80 .E5 .90 .95 = c = t70 CA 0 ltf33 TIME OF CONCE~RATION~C ' Tc = f:. ;(L3ya5 Hi.R. 3z9 (Chart B-1) H. /4& Tc= Time in Hours L= Distance in Miles H= Height in Feet L0.R. 178 L./S--ZQ /D TC=srnin . hr (10 min. minimum) RUNOFF: 0 = I x CA Altitude Factor f (Chart C) Reference: San Dieyo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXG 1 thru IX64 - STATION AREA REFERENCE wK .OS7 (SO scale) rn /r '" X .918 (200 scale) = /I 74 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) DeveloDed Areas (Urban) % Land Use Residential: Single Family - Multi-Units Mobile Homes ~~ral (lots. greater than 1/2 acre) . .,.c:ommerdal (2) r 80% Imperrrious Industrial (2) 90% Impemious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. fa.Pt. L. RUNOFF: 9 = I x CA Altitude Factor = (Chalt C) -x- "/+E ." - CfS Coefficient " C " Soil Type ( 1 ) - A - B - C .40 .45 .50 .45 .50 .60 .45 .50 , .55 .30 .35 .40 .70 .75 .so .80 .85 .90 TP Time in Hours L= Distance in Miles H= Height in Feet - D .55 = .70 = I 70 .65 = .45 = .85 = .95 = C= a //Zt Reference: San Diego County Flocd Control Design and Procedure Manual (1) Obtain soil type hum Appendices M-C 1 thru IX64 COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient I' C 'I Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .50 .55 = 73 Multi-Units .45 .50 .60 ,zY = ,371 Mobile Homes .45 .50 .55 .65 = 27 (lots greater than 1/2 acre)*S~*~ooo~Zz'*. 30 .35 .40 a = ,/z /cmcxruaaL Va ~Comrnerdal (2) 80% Impervious ,- Industrial (2) 90% Impervious 70 .75 .EO .E5 = .EO .E5 .90 .95 = c = *A3 CA = 9.A TIME OF CONCENTRATION~C TC = (11 .;(~3?85 (Chart B-1) Hi.Pt. 250 ,cy H. /44 Tc= Time in Hours L= Distance in Miles L0.R. /oc L. 4400 ' H= Height in Feet T~ = /B.Lmin- hr (10 min. minimum) RUNOFF: 0 = I x CA Altitude Factor = (Chart C) 1- "X- - " /hr cf s USE 9, = CFS Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x64 7. STATION AREA REFERENCE w AREA X .918 (200 scale) = P..25 ACRES 0" .OS7 (50 scale) .- 91. a (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) Commercial (2) ,/" 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTFATION~C (Chart B-1) Hi.R. H. L0.R. L. Coefficient I' C I' Soil Type ( 1 ) A B C - - - .40 .45 .so .45 .so .60 .45 .50 .55 .30 .35 .40 .70 .75 . a0 . a0 .as .90 TF Time in Hours L= Distance in Miles H= Height in Feet D .55 = - I1.2 = rb 2- .65 = .45 = .as = .95 = c= IbG = L40 Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 - STATION AREA REFERENCE AREA X .918 (200 scale) = 1 ACRES 0 I' .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) commercial (2) 7 80% Impervious Industrlal (2) 90% Impervious - A .40 .45 .45 .30 .70 .80 Coefficient " C " Soil Type ( 1 ) B C .45 .so - - .so .60 .so .55 .35 .40 .75 .80 .85 .90 TIME OF CONCENTRATION~C Tc = tl .;(L3i)38.5 H1.R. H. Tc= Time in Hours (Chart B-1) I.Q.R. L. L= Distance in Miles H= Height in Feet RUIiOFF: Q = I x CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x64 - STATION AREA REFERENCE .OS7 (50 scale) AREA X .918 (200 scale) = :; ACRES 91.8 (2000) 0 " COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural. (lots greater than 1/2 acre) commercial (2) - 80% Impenrious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. L0.R. L. . hr RUNOFF: Q = I x CA Altitude Factor = 1 (Chart C) 1- = -x- 7,G "/hr .. i' & Coefficient " C " Soil Type ( 1 ) - A B C - - .40 .45 .50 .45 .so .60 .45 .50 .55 .30 .35 .40 .70 .75 .80 .80 .85 .90 Ts= Tim;! in Houk L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thm IXC4 - STATION AREA REFERENCE .OS7 (50 scale) AREA X .918 (200 scale) = _, ACRES 91.8 (2000) a 10 -2 COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient I' C I' Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .50 .55 = Multi-Units .45 .50 .60 Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = ,kZ. ,cz commercial (2) - 80% Impervious Industrial (2) 90% Impervious .70 .75 .80 .85 = .EO .85 .90 .95 = c ,oz a TIME OF CONCENTRATION~C Tc = tl .;(L3y8.5 (Chart B-1) Hi.Pt. H. TP Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 PROJECT 5L??J ;.'.x/& 5 CALC- DATE- CHKD- DATE- WO# 5" ,' ..a SHT OF- - STATION AREA REFERENCE 0 .OS7 (50 scale) AREA X .918 (200 scale) = '7 ~'/ ACRES 91.8 (2000) 0" COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C D Single Family .40 .45 .50 .55 = Multi-Units , /# L .45 .50 .60 .a3 = Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = - " '.* > I -. .70 ,75 .80 .85 = Industrial (2) .80 .85 .90 .95 = 90% Impenrious c= ,bZ I /,BO TIME OF CONCENTRATION~C Tc = cl .,L3y8,5 (Chart B-1) Hi.Pt. H. Tc= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet . hr RUNOFF: Q = I x CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXG4 PROJECT .P?/g5 WO# ;-+' .7 CALC- DATE- CHKD- DATE- SHT ,.:~.- OF- - STATION AREA REFERENCE 0 0 I' .OS7 (50 scale) AREA X .918 (200 scale) = ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient 'I C Soil Type ( 1 ) Residential: - A - B C D Single Family .40 .45 .50 .55 = Multi-Units Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = Commercial (2) .70 .75 .80 .85 = - - , d. z .45 .50 .60 a = ,@,5 - 7 80% Impervious haustrial (2) .80 .85 .90 .95 = 90% Impervious c ,bZ = /(ZL TIME OF CONCENTRATION~C Tc= c2.,L3ya.5 L0.R. L. H= Height in Feet (Chart B-1) Hi.R. H. Tc= Time in Hours L= Distance in Miles TC g3 in- ' hr mintmum) RUNOFF: 0 = I x CA Altitude Factor = (Chart C) Reference: San Dieyo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 PROJECT SEA P4JES WO# 5 ,' ' SHT 7 OF CALC- DATE- CHKD- DATE- - STAT IO N AREA REFERENCE .OS7 (50 scale) AREA X .918 (200 scale) = c ACRES 91.8 (2000) @ 0" 7, -"- COEFFICIENT OF RUNOFF: C (consider probable development) Develoued Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rml (lots greater than 1/2 acre) Commercial (2) ,- 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) H1.R. H. L0.R. L. RUITOFF: 0 = I X CA Altitude Factor = / (Chart C) Coefficient 'I C I' Soil Type ( 1 ) A B - - - C - D .40 .45 .so .55 = .45 .50 .60 .%= 05 .45 .50 .55 .65 = .30 .35 .40 .45 = .70 .75 .80 .85 = .- , Wi .80 .85 .90 .95 = TP Time in Hours L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 ' PROJECT 5&7& )//JfiS WO# . ,' CALC- DATE- CHKD- SHT .:.' OF- DATE- - STATION AREA REFERENCE 0 .OS7 (50 scale) AREA X .918 (200 scale) = z, dT ACRES 91.8 (2000) 0 " COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Run1 (lots. greater than 1/2. acre) Commercial (2) 7 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. L0.R. L. TCc"r (10 min. minimum) RUNOFF: 0 = I x CA Altitude Factor = / (Chart C) Coefficient I' C I' Soil Type ( 1 ) A B C D - - - - .40 .45 .50 . .55 = .45 .50 .60 , //L .a = ,(.2& .45 .so .55 .65 = .30 .35 .40 .45 = .70 .75 .80 .85 = - ,- .80 .85 .90 .95 = Tc= Time in Hours L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 - STATION AREA REFERENCE 0 " .OS7 (50 scale) 91.8 (2000) ARE4 x .wa (ZOO scale) = 2884 ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. LQ.Pt. L. Coefficient I' C I' Soil Type ( 1 ) - A B C .40 .45 .so .45 .50 .60 .45 .50 .55 .30 .35 .40 .70 .75 .80 - - .80 .as .90 Tc= Time in Hou& L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 - STATION AREA REFERENCE " .OS7 (50 scale) AREA X .918 (200 scale) = ' " .. ACRES 91.8 (2000) . ., ; COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes ~~ral (lots. greater than 1/2. acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION'~C (Chart B-1) Hi.R. H. Coefficient " C 'I Soil Type ( 1 ) A B C D - - - - .40 .45 .50 .55 = .45 * 50 .60 38 = ; i '1 .45 .50 .55 .65 = .30 .35 .40 .45 = .70 .75 .80 .85 = , b: /. 7 .80 .85 .90 .95 = ~ ~~ L= Distance in Miles L0.R. L. H= Height in Feet . hr RUNOFF: Q = I x CA Altitude Factor = (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x44 r- STATION AREA REFERENCE w AREA X .918 (200 scale) = 1' -'! ACRES 0 I' .057 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient 'I C 'I Soil Type ( 1 ) Residential: - A - B - C Single Family .40 .45 .. 50 Multi-Units .45 0 50 .60 Mobile Homes .45 .so .55 ~ual (lots greater than 1/2 acre) .30 .35 .40 .~Cammercial (2) - 80% Impervious Industrial (2) 90% Impervious .70 .75 .80 .80 .85 .90 D .55 = .< I .w = ,oz - .65 = .45 = .as = .95 = TIME OF CONCENTRATION~C Tc = tl .;(L3Y8., (Chart B-1) Hi.Pt. H. Tc= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 -. STATION AREA REFERENCE \c/ a .OS7 (50 scale) AREA X .918 (200 scale) = . ' ,; -* ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B C - - D Single Family Multi-Units .40 .45 .so .55 = .45 .50 .60 .'FB I . ,5& , L-l 7 Mobile Homes .45 .50 .55 .65 = Rml (lots greater than 1/2 acre) .30 .35 .40 .45 = ~Camrnercial (2) 7 80% Impervious Industrlal (2) 90% Impervious TIME OF CONCENTFATION'% (Chart B-11 Hi.&. H. .70 .75 .80 .85 = .80 .85 .90 .95 = TT= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet RUNOFF: 0 = I X CA Altitude Factor = 1 (chart c) Reference: San Dieyo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IX64 PROJECT *'/--- z..- /e/' ~. - ;t/, WO# ;-<&,? ". SHT ;- OF- CALC- DATE- CHKD- DATE- - STATION AREA REFERENCE 0 U " .OS7 (50 scale) 91.8 (2000) AREA X .918 (200 scale) = ~ ~ ACRES , .-,' COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) Gammercia1 (2) r 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. L0.R. L. Coefficient " C " Soil Type ( 1 ) A - - B - C D - .40 .45 .so .55 = .45 .so .60 .a= , L7& .45 .so .55 .65 = .30 .35 .40 .45 = .70 .75 .80 .85 = ,b3 -. .80 .85 .90 .95 = Tc= Time in Houk L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 /- STAT IO N AREA REFERENCE AREA Y X .918 (ZOO scale) = Lr,'' ACRES ., 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C 'I Soil Type ( 1 ) Residential: - A B Single Family .40 .45 .so .55 = Multi-Units .45 .so , kL .60 .a = .!HZ Mobile Homes -45 .so .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = - - C - D ' . Commercial (2) F 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.Pt. H. .70 .75 .a0 ,a5 = . ao .as .90 .95 = TF Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 r STAT IO N AREA REFERENCE w .OS7 (50 scale) ARFA X .918 (200 scale) = I' ,' -. ACRES 91.8 (2000) " COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) Coefficient " C 'I Soil Type ( 1 ) 36 Land Use Residential: - A - B - C Single Family .40 .45 .50 Multi-Units .45 .50 .60 Mobile Homes .45 .50 .55 Rum1 (lots greater than 1/2 acre) .30 .35 .40 .C:ammerdal (2) .70 .75 .80 - 80% Impervious Industrial (2) .80 .85 .90 90% Impervious TIME OF CONCENTRATION~C Tc = t-1 .;(I.3y8.5 (Chart B-1) Hi.Pt. H. Tc= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet D .55 = - .. , -> :-m-.= ..,'.> .65 = .45 = .85 = .95 = c = ,b& = i.9i-j RUNOFF: 0 = I X CA Altitude Factor =~ 1 (Chalt C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 .- STATION AREA REFERENCE .OS7 (50 scale) AREA X .918 (200 scale) = dfBg ACRES 91.8 (2000) 0 " COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Unfts Mobile Homes Rural (lots greater than 1/2. acre) Commercial (2) r 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Coefficient I' C I' Soil Type ( 1 ) - A - B C - .40 .45 .50 .45 .50 .60 .45 .50 .55 .30 .35 .40 .70 .75 .a0 .80 .85 .90 TF Time in Hours L= Distance in Miles H= Height in Feet D .55 = :5z . = . (2,) L .65 = .45 = .85 = - .95 = c = ,DL = B5-z USE Q; = f CFS USE 910~ 1~8 CFS Reference: San Dieqo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 PROTECT CALC- MTE- CHKD- DATE- SHT ./7 OF- WO# ."<f ;; - STATION AREA REFERENCE AREA X .918 (200 scale) = ,'. ' ACRES @ 0" .057 (50 scale) , -1 91.8 (2000) 7" ?7" r*r LE \ /a64 COEFFICIENT OF RUNOFF: C (consider probabld development) DeveloDed Areas (Urban) Coefficient " C 'I % Land Use Residential: Single Family hi Multi-Units Mobile Homes /A Rutal (lots gree Commercial (2) - 80% Impervia /A Industrial (2) 90% Impervious Soil Type ( 1 ) - A B C .40 .45 .50 - - XEB 'IC' TIME OF CONCENTFATION~C (Chart B-1) Q IN STREET.? DEPRESSION s=? DEPTH FLOY Y:? 1.8BB8 RUN .45 .50 .60 .3388 RUH .45 .so .55 ,2288 RUN .30 .35 .40 .70 .75 .80 L a.6.3842 Q4a TRIUL.? Hi.Pt. H. .80 .85 .90 Tz= Time in Hours D .55 = - .65 = e 45 .85 = c- A- */7 c= ,65- CA= .# L0.R. L. L= Distance in Miles H= Height in Feet RUNOFF: Q = I X CA Altitude Factor =~ / (chart c) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 , 7 -,-., PROJECT p.’%’’E WO# 5+9 CALC- DATE- CHKD- DATE- SHT 18 OF- 7 STATION AREA REFERENCE @ .OS7 (50 scale) AREA X .918 (ZOO scale) = /, 7.4 ACRES 91.8 (2000) “ COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient ‘I C ‘I Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .50 .55 = Multi-Units .45 .50 .60 .a= ,a d2z Mobile Homes .45 .SO , .55 .65 = Rural (lots’greater than 1/2 acre) .30 .35 .40 .45 = .Commercial (2) - 80% Impervious Industrfal (2) 90% Impervious .70 I75 .80 .85 = .80 .85 .90 .95 = c=, kZ a= ,2?3 TIME OF CONCENTRATION~C TC = t-1 .;a39385 (Chart B-1) Hi.R. H. TP Time in Hours L- Distance in Miles L0.R. L. H= Height in Feet RUNOFF: 0 = I x CA Altitude Factor = f (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 ," STATION ARFA REFERENCE AREA X .918 (200 scale) = 7 ACRES 0" .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) .commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTFATION~C (Chart B-1) H1.R. H. L0.R. L. Coefficient " C " Soil Type ( 1 ) A B C - - - .40 .45 .so .45 .50 .60 .45 .50 .55 .30 .35 .40 .70 .75 .80 .80 .85 .90 Tc= Tim; in Houk L= Distance in Miles H= Height in Feet - D .55 = &= 170 .65 = .45 = .85 = .95 = c = (70 CA = 1/87 Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 STATION AREA REFERENCE AREA x .91a 0.00 scale) = 3! L ACRES 0 " .OS7 (SO scale) 91. a (zooo) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban] % Land Use Residential: Single Family Multi-Units Mobile Homes Rum1 (lots greater than 1/2 acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTFATION~C (Chart B-1) Hi.R. H. L0.R. L. RUNOFF: 0 = I x CA Altitude Factor = / (Chart C) Coefficient " C " Soil Type ( 1 ) A B C - - - .40 .45 .so .45 .so .60 .45 .so . .55 .30 .35 .40 .70 .75 .80 . a0 .as .90 Tc= Time in Hours L= Distance in Miles H= Height in Feet - D .55 = &?= ,70 .65 = .45 = .as = .95 = c= t 70 CA a Z.Lf Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices LYC 1 thru IX64 ,- STATION AREA REEERENCE 0 " .OS7 (50 scale) AREA X .918 (ZOO scale) = //~5 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTPATION~C (Chart B-1) Hi.R. H. T.4J.R. L. TC =t:GG-a ' hr RUNOFF: Q = I x CA Altitude Factor = / (Chart C) Coefficient " C " Soil Type ( 1 ) A B C - - - .40 .45 .50 .45 .50 .60 45 .so . .55 .30 .35 .40 .70 .75 .a0 .EO .E5 .90 Tc= Time in Hours L= Distance in Miles H= Height in Feet - D .55 = @= 170 .65 = .45 = .a5 = .95 = c = ,70 CA = 0.07 Reference: San Dieyo County Flood Control Design and Procedure Manual (1) 0 btain soil type from Appendices LYC 1 thm 1x64 Develoeed Areas (Urban) % Land Use Coefficient I' C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .so .55 = Multi-Unfts .45 .so .60 @= 170 Mobile Homes .45 .50 .55 .65 = ~~ral (lots greater than 1/2 acre) .30 .35 .40 .45 = commercial (2) - 80 % Impervious IndusMal (2) 90% Impervious .70 .75 .80 .85 - .80 85 .90 CA = /,a9 TIME OF CONCENTRATION~C Tc = (11 .;(L3y8.s (Chart E-1) Hi.R. H. Tc='Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet TCgs%kGEn) .hr RUNOFF: 0 I X CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obin soil type from Appendices IXC 1 thru IXC4 .-c ,< PROJECT -./ -F ,9,j~,~5~;7 CALC- DATE- SHT CHKD- WO# I73-D OF- DATE- - STAT IO N AREA REFERENCE @ .OS7 (50 scale) ARFA '" x .918 (zoo scale) = /, 9 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C Single Family .40 '. .45 .50 Multi-Units .45 .50 .60 Mobile Homes -45 .SO . .55 Rural (lots. greater than 1/2 acre) .30 .35 .40 Commercial (2) - 80% Impervious Industrial (2) 90% Impervious .70 .75 .EO .80 .85 .90 D .55 = - @ 470 .65 = .45 = .85 = .95 = TIME OF CONCENTRATION~C Tc = fJ .;(L3y8.5 (Chart B-1) Hi.Pt. H. TP Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet 'hr RUNOFF: 0 = I x CA Altitude Factor f 1 (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 - STATION AREA REFERENCE 0 " .OS7 (50 scale) AREA X .918 (200 scale) = 7* 5$ ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) Coefficient " C " % Land Use Soil Type ( 1 ) Residential: - A - B - C Single Family .40 .45 .50 Multi-Units .45 .so .60 Mobile Homes .45 .so . .55 Rural (lotsgreater than 1/2 acre) .30 .35 .40 Commercial (2) .70 .75 .80 - 80% Impervious Industrial (2) . a0 .85 .90 90% Impenrious TIME OF CONCENTRATION~C Tc = tl .;(L3ya.5 (Chart B-1) H1.R. H. Tz= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet - D .55 = @ 178 .65 = .45 = .as = .95 = c= I 70 cA= /r 7g TC =e in- . hr inimum) RUNOFF: 0 = I X CA Altitude Factor = / (Chart C) If& =- x- Zfk "/hr 6b3ds USE Qg= 416 CFS - %oo= -XI 4 4g "/hr a Ucfs USE Q10p bl/ CFS factor X" - Reference: San Dlego County Flood Control Design and Procedure Manual (1) 0 btain soil type from Appendices D(C 1 thru X64 ,- STATION AREA REFERENCE " .OS7 (50 scale) AREA x .918 (200 scale) = Z 'a/ ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes RUKA (lots greater than 1/2 acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Chart B-1) Hi.R. H. L0.R. L. RUNOFF: 0 = I x CA Altitude Factor = 1 (Chart C) Coefficient " C " Soil Type ( 1 ) A B - - - C - D .40 .45 .so .55 = .45 ,530 .60 .45 .30 .so , .55 .35 .40 .65 = .45 = .70 .75 .80 .85 = .80 .85 .90 .95 = . r Tc= Time in Hours L= Distance in Miles H= Height in Feet USE Q&= 7 CFS USE Q10p 41 CFS Reference: San Dieyo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 ~.. ~ , PROJECT :.'.?'-.,F p,YJ&:5 CALC- DATE- SHT CHKD- OF- DATE- -$row ..' .7 ;2 - STAT IO N AREA REFERENCE 0 ARE4 x .918 (ZOO scale) = 1/04 ACRES 0" .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .50 .55 = Multi-Units .45 .so .60 @ 170 Mobile Homes .45 .so , .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 f Commercial (2) - 80 % Impervious Industrial (2) 90% Impervious .70 .75 .80 .85 = .EO .85 .90 .95 = = 173 TSME OF CONCENTRATION~C Tc= t-1 .;(L3y8.s (Chart B-1) H1.R. H. Tc= Time in Hours L0.R. L= Distance in Miles L. H= Height in Feet Reference: San Dieqo County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 PROJECT fE/ /3/A'E5 CALC- SHT DATE- CHKD- DATE- WO# 57-50 OF- - STATION AREA REFERENCE OAA .OS7 (50 scale) 91.8 (2000) ARn '" X .918 (200 scale) = ?.*T ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units .40 .45 .50 .55 = .45 .50 .60 @ '70 Mobile Homes .45 .50 .55 .65 = Rural (lots. greater than 1/2 acre) .30 .35 .40 .45 = -Commercial (2) .70 .75 . a0 .a5 = 80% Impervious - Industrial (2) 90% Impervious . a0 .85 .90 .95 = CA = z45 TIME OF CONCENTRATION T~ Tc= cl .;(L3i)38.5 (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet Tcm:GGn) hr RUNOFF: 0 = I x CA Altitude Factor = 1 (Chart c) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 ." STATION AREA REFERENCE AREA X ,918 (200 scale) = A03/ ACRES " .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Develoued Areas (Urban) % Land Use Residential: Coefficient I' C " Soil Type ( 1 ) - A - B - C - D Single Family .40 .45 .so .55 = Multi-Units Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = :Commercial (2) .70 .75 .80 .85 = - 80% Impervious Industrial (2) 90% Impervious .80 .85 .90 .95 = I 3+.5-3 TIME OF CONCENTRATION~C Tc = tl .;(L3y85 (Chart B-1) Hi.Pt. H. Ts= Time in Hours L- Dismnce in Miles L0.R. L. H= Height in Feet Tcm in- hr (10 min. minimum) RUNOFF: 0 = I x CA Altitude Factor = 1 (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru IXC4 PROJECT 3k?d P///Es WO# 5-3-0 CALC- DATE- SHT CHKD- OF- DATE- .- STATION AREA REFERENCE OdC .057 (50 scale) AREA x .918 (2.00 scale) = // 6 ACRES 91.8 (2000) " COEFFICIENT OF RUNOFF: C (consider probable development) Develoued Areas (Urban) % Land Use Coefficient 'I C 'I Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units Mobile Homes RU~I (lots greater than 1/2 acre) .Commercial (2) ," 80% Impervious Industrial (2) 90% Impervious .40 .45 .so .55 = .45 .45 .50 .55 -65 = .30 -35 .40 .45 = .70 .75 .80 .85 = .80 .E5 .90 .95 = c = 170 CA I fl. 5b TIME OF CONCENTRATION~C Tc = t> .,L3Y8.' (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles L4.R. L. H= Height in Feet Tcm mh- hr minimum) RUNOFF: 0 = I x CA Altitude Factor = 1 (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 .- STATION AREA REFERENCE 0 " .OS7 (50 scale) AREA X .918 (200 scale) = z 3 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes ~~ral (lots greater than 1/2 acre) Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION T~ (Chart B-1) Hi.FT. L0.R. H. L. RUNOFF: Q = I X CA Altitude Factor = / (Chart C) Coefficient 'I C " Soil Type ( 1 ) A B C .40 .45 .50 .45 .so .60 .45 .so .55 .30 .35 .40 .70 .75 .80 - - - .80 .85 .90 Tc = (11 .;(L3i)385 TF Time in Hours L= Distance in Miles HI Height in Feet - D .55 = @ ,70 .65 = .45 = .85 = .95 = C,= I70 CA =p/ Reference: San Diego County Flood Control Design and Procsdure Manual (1) Obtain soil type from Appendices IXC 1 thm IXC4 COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) Coefficient C 'I Soil Type ( 1 ) % Land Use Residential: - A - B - C - D Single Family .40 .45 .50 .55 = Multi-Units .45 .so .60 @ 178 Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = ' .Commercial (2) .70 .75 .80 .a5 = 80% Impervious ," Industrial (2) .80 .as .90 .95 = 90% Impervious c = '7D CA = /I* TIME OF CONCENTFATION~C Tc = (11 . ;(L3y (Chart B-1) Hi.R. H. Ts= Time in Hours L0.R. L. L= Distance in Miles H= Height in Feet TC c3 - in- hr 10 min minimum) RUNOFF: 0 = I x CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IX< 1 thru 1x64 PROTECT $?J&s WO# ,<4-0 CALC- DATE- CHKD- SHT OF- DATE- - STATION AREA REFERENCE OFF .OS7 (50 scale) 91.8 (2000) AREA '" X .918 (200 scale) = 3 D ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Develoued Areas (Urban) % Land Use Coefficient " C '' Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units .40 .45 .50 .55 = Mobile Homes .45 .so .55 .65 = ~-1 (lots greater than 1/2 acre) .30 .35 .40 .45 = .Commercial (2) - 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTPATION.'C (Chart B-1) .70 .75 .80 .85 = .EO .85 .90 ,95 = c I170 Hi.R. L0.R. H. Ts= Time in Hours L. H= Height in Feet L= Distance in Miles hr RUNOFF: Q = I x CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x64 COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .so .55 = Multi-Units .45 .so .60 @ I 7O Mobile Homes .45 .so .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = .Commercial (2) .70 .75 . ao .85 = - 80% Impervious Industrial (2) 90% Impervious . ao .as .90 95 = c= 170 CA = A33 TIME OF CONCENTRATION T~ Tc = f> .,L3ya5 (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet hr RUNOFF: Q = I X CA Altitude Factor = 1 (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 PROJECT 32ZA P.b/!S WO# 9-50 CALC- SHT DATE- OF- CHKD- DATE- - STATION AREA REFERENCE OH/ 0" .OS7 (50 scale) AREA X .918 (200 scale) = c?) 3 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .so .55 = Multi-Units .45 .50 .60 @ ,7d Mobile Homes * 45 .50 .55 .65 = Rml (lots greater than 1/2 acre) .30 .35 .40 .45 = Commercial (2) .70 .75 .80 .a5 = r 80% Impervious Industrial (2) 90% Impervious . a0 .a5 .90 .95 = = //&I TIME OF CONCENTRATION T~ Tc = (il .;(L3Ya., (Chart B-1) Hi.Pt. H. Tz= Tlme in Hours L= Distance in Miles Lc.Pt. L. H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 - STATION AREA REFERENCE 0" .OS7 (50 scale) AREA X .918 (200 scale) = fi3 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Develoued Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1) Residential: - A - B - C Single Family .40 .45 .50 Multi-Units .45 .50 .60 Mobile Homes .45 .50 .55 Rural (lots greater than 1/2 acre) .30 .35 .40 .Commercial (2) - 80% Impervious Industrial (2) 90% Impervious .70 .75 .80 .80 .85 .90 TIME OF CONCENTRATION T~ Tc = t> .;(L3Y8., (Chart B-1) Hi.Pt. H. Ts= Time in Hours L0.R. L= Distance in Miles L. H= Height in Feet - D .55 = @ '70 .65 = .45 = .85 = .95 = c = 17D CAI 1.4 Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 PROJECT 5Ed P/'Xh55 CALC- DATE- SHT OF- CHKD- DATE- WO# :Fy27 ,- STATION AREA REERENCE OJJ 0 " .OS7 (50 scale) AREA X .918 (200 scale) = /,3 ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban1 % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family .40 .45 .so .55 = Multi-Units Mobile Homes .45 .so .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = Commercial (2) 80% Impervious - .70 75 .80 .85 = Industrial (2) .80 .85 .90 .95 = 90% Impervious TIME OF CONCENTRATION"C (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet hr RUNOFF: Q = I X CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thm IXC4 PROJECT p/h'&? CALC- SHT DATE- CHKD- DATE- WO# 5-5-0 OF- STATION AREA REFERENCE Odk .OS7 (50 scale) AREA X .918 (200 scale) = /, z ACRES 0" 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units .40 .45 .so .55 = .45 .50 .60 @ 170 Mobile Homes .45 .50 .55 .65 = Rural (lots greater than 1/2 acre) .30 .35 .40 .45 = .Commercial (2) 80% Impervious - .70 .75 .80 .85 = Industrial (2) .80 .85 .90 .95 = 90% Impervious c = ,70 CA = 34 TIME OF CONCENTRATION~C Tc = tl .;(L3Y8.' (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles Lo.Pt. L. H= Height in Feet RUNOFF: 0 = I X CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thm 1x64 - STATION AREA REFERENCE 0" .OS7 (50 scale) AREA X .918 (200 scale) = zg ACRES 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1) Residential: - A - B - C Single Family .40 .45 .so Multi-Units .45 .so .60 Mobile Homes .45 .so .55 Rural (lots greater than 1/2 acre) .30 .35 .40 .Commercial (2) _- 80% Impervious Industrial (2) 90% Impervious .70 .75 .80 .80 .85 .90 TIME OF CONCENTRATION *C Tc = tl .,L3i>ja, (Chart B-1) Hi.Pt. H. Ts= Time in Hours L= Distance in Miles L0.R. L. H- Height in Feet TcmizGl) hr RUNOFF: 0 = I X CA Altitude Factor = (Chart C) - D .55 = 170 .65 = .45 = .85 = .95 = c = I70 CA = ,84 Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x44 " ,I PROJECT <F-J . - ,9,.<4/E i' WO# 5-+-0 SHT CALC- DATE- CHKD- DATE- OF- - STATION AREA REFERENCE 0.eR .OS7 (50 scale) AREA x .918 (200 scale) = 1/74 ACRES 91.8 (2000) 0 " COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units .40 .45 .50 .55 = .45 .50 .60 @ I70 Mobile Homes .45 .50 .55 .65 = ~~ml (lots greater than 1/2 acre) .30 .35 .40 .45 = Commercial (2) - 80% Impervious .70 .75 .80 .85 = Industrial (2) .80 .85 .90 .95 = 90% Impervious = /a zz TIME OF CONCENTRATION~C Tc = (11 .i(L35)-las (Chart E-1) Hi.Pt. H. Ts= Time in Hours L- Distance in Miles L0.R. L. H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thm 1x44 CALC- SHT DATE- CHKD- OF- DATE- ,- STATION AREA REFERENCE 055 .OS7 (50 scale) AREA X .91a (200 scale) = z# / ACRES " 91. a (zooo) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Residential: Single Family Multi-Units Mobile Homes Rural (lots greater than 1/2 acre) Commercial (2) ," 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION~C (Che B-1) Hi.Pt. L0.R. RUNOFF: Q = I X CA Altitude Factor = H. / (Chart C) Coefficient " C " Soil Type ( 1 ) - A - B - C - D .40 .45 .50 (5';.F .45 .so .60 .70 = .45 .so .55 .65 = .30 .35 .40 .45 = .70 .75 .80 .85 = .80 .85 .90 .95 f Ts= Time in Houk L= Distance in Miles H= Height in Feet Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thm 1x44 - STATION AREA REFERENCE 0" .OS7 (50 scale) AREA x ,918 (200 scale) = 2) 78 ACRES 91. a (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Develooed Areas (Urban) Coefficient " C " Soil Type ( 1) % Land Use Residential: - A - B Single Family .40 .45 Multi-Units .45 .50 Mobile Homes .45 .50 RUEL~ (lots greater than 1/2 acre) .30 .35 ..Commercial (2) .70 .?5 .- 80% Impervious Industrial (2) .80 .85 90% Impervious C .so .60 .55 .40 .80 - '. 90 TIME OF CONCENTRATION.'C (Chart B-1) - D .55 = @ t7a .65 = .45 = .85 = .95 = c= 1 70 cA= /, 73- Hi.R. H. Ts= Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet hr RUNOFF: 0 = I x CA Altitude Factor = / (chart c) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x44 .. <. .- PRO@CT YE/? WO# 5TD CALC- DATE- SHT OF- CHKD- DATE- .- STATION AREA REFERENCE Ouu 0 " .OS7 (50 scale) 91.8 (2000) AREA X .918 (200 scale) = 6 ACRES COEFFICIENT OF RUNOFF: C (consider probable development) Develoeed Areas (Urban) % Land Use Coefficient " C " Soil Type ( 1 ) Residential: - A - B - C - D Single Family Multi-Units .40 .45 .50 .55 = .45 .50 .60 @ t 70 Mobile Homes .45 .50 .55 .65 = ~~ral (lots greater than 1/2 acre) .30 .35 .40 .45 = .Commercial (2) P 80% Impervious Industrial (2) 90% Impervious TIME OF CONCENTRATION T~ (Chart B-1) .70 .75 .80 .85 = .80 .85 .90 ,95 = Hi.&. H. . TP Time in Hours L= Distance in Miles L0.R. L. H= Height in Feet hr RUNOFF: Q = I x CA Altitude Factor = 1 (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices IXC 1 thru 1x44 f? - PROJECT J v,,$ - .P///€5 WO# 5-3" CALC- DATE- CHKD- SHT OF- DATE- - STATION AREA REEENCE ovv AREA X .918 (200 scale) = /,?& ACRES a" .OS7 (50 scale) 91.8 (2000) COEFFICIENT OF RUNOFF: C (consider probable development) Developed Areas (Urban) % Land Use Coefficient 'I C 'I Soil Type ( 1) Residential: - A - B - C Single Family .40 .45 .50 Multi-Units .45 .50 .60 Mobile Homes .45 .so .55 Rural (lots greater than 1/2 acre) .30 .35 .40 -Commercial (2) r 80% Impervious Industrial (2) 90% Impenrious .70 .75 .80 .80 .85 .90 TIME OF CONCENTRATION T~ Tc = (Chart B-1) .,L3y8.5 Hi.Pt. H. Tc= Time in Hours I,= Distance in Miles L0.R. L. H= Height in Feet hr - D .55 = @ ,70 .65 = .45 = .85 = .95 = RUNOFF: Q = I X CA Altitude Factor = / (Chart C) Reference: San Diego County Flood Control Design and Procedure Manual (1) Obtain soil type from Appendices 1x4 1 thru 1x44 " _" dY =o.// L - /- -1 II 'Q I i I i I I I I I I , r" . .31 dz/ .'q 7 < L r c t ," AY = .5/ _" j I I I L r 3 _- ,- ,.- - /OD/ ,- r "- .- ,- .- " c I, L -. ,"- .- ,- . A Y = 63/49 ' / <- /A. a E r ," - 443'" L- r -. .I -* 7. =%, -3, ,"