2001-12-11_PERMIT FILE - C1996084 ‎(2)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15-25 MINE AREA P7 SEDIMENT CONTROL POND 7-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Sofhvare Design
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•
Stru SWS
Land Flow Condition
Slope (%) Vert. Dist. Horiz. Dis[. Velocity
Time (hrs)
# # (k) (k) (fps)
#1 1 1. Forest with heavy ground litter 8.90 20.02 224.94 0.750 0.083
1. Forest with heavy ground litter 4.60 10.02 217.82 0.540 0.112
7. Paved area and small upland 29 70 219.78 739.99 10.970 0.018
gullies
#1 1 Time of Concentration: 0.213
#1 2 5. Nearly bare and untilled, and 40
33 49.93 149.49 5.770 0.007
alluvial valley fans .
8. Large gullies, diversions, and low 1.50 32.09 2,139.33 3.670 0.161
Flowing streams
if 1 2 Time of Concentration: 0.168
#2 1 5. Nearly bare and untilled, and 1
00 2.34 234.70 1.000 0.065
alluvial valley fans .
8. Large gullies, diversions, and low 3.00 36.00 1,200.00 5.190 0.064
Flowing streams
#2 1 Time of Concentration: 0.129
#3 1 8. Large gullies, diversions, and low 1.60 48.58 3,036.25 3.790 0.222
flowing streams
#3 1 Time of Concentration: 0.222
#4 1 1. Forest with heavy ground litter 10.20 22.95 225.00 0.800 0.078
7. Paved area and small upland 5.50 34.78 632.36 4.720 0.037
gullies
#4 1 Time of Concentration: 0.115
#6 1 8. Large gullies, diversions, and low 8.50 30.14 354.58 8.740 0.011
Flowing streams
#5 1 Time of Concentration: 0.011
Subwatershed Muskingum Routing Detai/s:
C~
J
Stru SWS Land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (k) (k) (fPS)
#1 1 5. Nearly bare and un[illed, and 32.70 9.97 30.50 5.710 0.00:
alluvial valley fans
#1 1 Muskingum K: 0.00]
13
Filename: pond?-3.sc4 Printed 04-24-2001