PERMFILE60157

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 8/19/2002
• Doc Name: Pond 4 & 5 10 & 25 Yr, 24 Hr Design
• Section_Exhibit Name: Exhibit 19 Attachment 1 SEDCAD 4 Printouts
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Subwatershed Hydrology Detai/;

Stru
#
SWS
#
SWS Area
(ac) Time of
Conc
(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS Peak
Discharge
(cfs) Runoff
Volume
(ac-R
#3 1 10.900 0.142 0.098 0.363 80.000 M 8.67 1.001
2 11.100 0.128 0.000 0.000 71.000 M 4.94 0.600
22.000 13.02 1.601
#2 1 9.000 0.098 0.080 0.363 80.000 M 10.96 0.827
2 12.600 0.119 0.000 0.000 71.000 M 9.49 0.681
21.600 19.64 1.507
#1 1 1.500 0.001 0.000 0.000 100.000 F 3.22 0.350
45.100 33.35 3.455
Subwatershed Sedimento%gy Detai/••

Stru
#
SWS
#
Soil K
L (R)
S (%)
C
p
~ #
Sediment
(tons) Peak
Sediment
Conc.
(m9/q Peak
Settleable
Conc
(mU9
24VW
(ml/I)
#3 1 0.320 250.00 18.00 0.2000 0.9000 1 96.2 155,935 93.66 49.93
2 0.320 200.00 17.00 0.1000 0.9000 1 21.5 64,885 38.31 18.85
F 117.7 125,941 75.40 35.46
#2 1 0.320 200.00 20.00 0.2000 0.9000 1 97.5 163,737 104.71 52.96
2 0.320 300.00 18.00 0.1000 0.9000 1 45.5 103,771 66.36 30.62
~, 142.9 146,777 93.86 42.96
#1 1 0.001 100.00 1.00 0.1000 0.1000 1 0.0 1 0.00 0.00
260.7 127,916 79.39 36.54
Subwatershed Time of Concentration Detai/s:
Stru SWS
Land Flow Condition
Slope (%) Vert. Dist. Horiz. Dist. Velocity
Time (hrs)
# # (R) (ft) (fps)
#2 1 5. Nearly bare and unfilled, and 5.00 11.00 220.00 2.230 0.027
alluvial valley fans
5. Nearly bare and unfilled, and

alluvial valley fans 30.00 51.00 170.00 5.470 0.008
7. Paved area and small upland 3.00 24.00 800.00 3.480 0.063
gullies
ill 1 Time of Concentration: 0.098
#2 2 3. Short grass pasture 6.00 29.40 490.00 1.950 0.069
Filename: POND4revt.sc4 Printed 05-30-2002