PERMFILE46452

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2004
• Doc Name: Attachment 10 to 12
• Section_Exhibit Name: Exhibit 07 Gulch A Pond - 004A
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
c,...,.d~m ~o°a o~.si~ i c..ti~.nn
10
Subwatershed Hydro%gy Detai/;

Stru
#
SWS
#
SWS Area
(ac) Time of
Conc

(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS Peak
Discharge

(cfs) Runoff
Volume

(ac-ft)
#2 1 303.630 0.498 0.498 0.388 60.000 M ~ 16.48 5.883
303.630 15.95 5.883
#1 1 90.850 0.362 0.362 0.353 56.000 M 2.00 1.073
Z 33.960 0.269 0.269 0.392 56.000 M 0.81 0.401
124.810 2.72 1.474
#3 1 106.380 0.192 0.192 0.403 55.000 M 2.14 1.085
2 115.090 0.486 0.486 0.350 54.000 M 1.34 1.001
649.910 20.89 9.442
#4 1 68.180 0.245 0.245 0.410 52.000 M 0.47 0.411
718.090 21.25 9.853
Subwatershed Sedimento%gy Detai/;

Stru
#
SWS
#
Soil K
L ft
()
S %
( )
C
P
PS #
Sediment
( )
tons Peak
Sediment
Conc.

(mg/I) Peak
Settleable
Conc

(ml/I)
24VW
(ml/I)
#2 1 0.280 2,333.00 6.80 0.1100 0.3800 1 57.6 14,704 1.92 1.17
~' 56.6 14,439 1.72 1.05
#1 1 0.280 1,425.00 13.60 0.0100 0.4100 1 1.8 2,174 0.35 0.25
2 0.280 562.50 18.70 0.0100 0.3800 1 0.5 1,626 0.31 0.21
2.2 2,009 0.34 0.24
#3 1 0.280 1,575.00 21.70 0.0100 0.4200 1 3.5 4,367 1.29 0.88
2 0.280 1,025.00 15.70 0.0200 0.4900 1 3.2 3,687 1.28 1.02
65.5 11,724 1.66 0.90
#4 1 0.280 800.00 26.00 0.0400 0.6300 1 j 4.3 11,110 4.55 3.87
69.8 15,812 2.50 1.03
Subwatershed Time of Concentration Detai/s;

S~u SAS Land Flow Condition Slope (%) Ve (ft)1st. Hori
Zft) 1st. V(fPs) Time (hrs)
(
#1 1 3. Short grass pasture 8.11 150.00 1,850.00 2.270 0.226
6. Grassed waterway 8.95 85.00 950.00 4.480 0.058
Filename: GulchA-100yr.sc4 Printed OS-11-2002