PERMFILE127221

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2007
• Section_Exhibit Name: Tab 20 Attachment 20-1 Part 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Subwatershed Hydro/ogy Detai/;

Stru
#,
SWS
#
SWS Area

(ac) Time of
Conc

(hrs)
Musk K

(hrs)
Musk X
Curve

Number
UHS Peak
Discharge

(ds) Runoff
Volume

(ac-ft)
#2 1 32,900 0.073 0.000 0.000 67.000 M 1.85 0.248
32.900 1.85 0.248
#1 1 8.500 0.026 0.050 0.439 36.000 M 0.00 0.000
2 14.800 0.050 0.000 0.000 71.000 M 2.38 0.194
23.300 2.38 0.194
#3 1 - 7.200 0.022 0.043 0.439 48.000 M 0.00 0.000
2 20.300 0.061 0.000 0.000 70.000 M 2.70 0.234
83.700 6.93 0.676
Subwatershed Time of Concentration Detai/s;
Stru SWS Land Flow Condition Slope (^/o) Vert. Dist. Horiz. Dist. Veloaty Tme (hrs)
# # (ft) (ft) (fps)
#1 1 5. Nearly bare and unfilled, and 21
75 87
00 400.00 4
660 0.023
alluvial valley fans . . .
7. Paved area and small upland 21
74 25.00 115.00 9
380 0.003
gullies . .
#1 1 Time of Concentration: 0.026
#1 2 3. Short grass pasture 33.55 52.00 155.00 4.630 0.009
8. large gullies, diversions, and low

Flowing streams 18.37 355.00 1,932.00 12.850 0.041
#1 2 Time of Concentration: 0.050
#2 1 5. Nearly bare and untitled, and 16.75 67.00 400.00 4.090 0.027

alluvial valley fans ,
7. Paved area and small upland 20
00 25
00 125.00 9
000 0.003
gullies . . .
6. Grassed watervvay 22.60 165.00 730.00 7.130 0.028
8. Large gullies, diversions, and low 28 89 262
00 907.00 16
120 0.015
Flowing streams . .
#2 1 Time of Concentration: 0.073
#3 1 5. Nearly bare and unfilled, and 23
75 95
00 400.00 4
870 0.022
alluvial valley fans . . .
#3 1 Time of Concentration: 0.022
#3 2 3. Short grass pasture 22.50 90.00 400.00 3.790 0.029
6. Grassed waterway 28.77 105.00 365.00 8.040 0.012
8. Large gullies, diversions, and low 19
62 188.00 958.00 13
280 0.020
Flowing streams . .
#3 2 Time of Concentration: 0.061

Filename: PM-1 01 06.sc4 Printed 01-31-2006
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