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
"
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