2022-07-12_PERMIT FILE - C1981019A ‎(12)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 7/12/2022
• Doc Name: Section 25 Pond Sediment Control During Mining
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part B
• Media Type: D
• Archive: Yes

Subwatershed Hydrology Detail:
Stru
#
SWS
#
SWS Area
(ac)
Time of
Conc
(hrs)
Musk K
(hrs)Musk X Curve
Number UHS
Peak
Discharge
(cfs)
Runoff
Volume
(ac-ft)
#14 1 1.900 0.009 0.000 0.000 85.000 F 2.10 0.161
2 18.800 0.156 0.000 0.000 47.000 M 0.00 0.000
3 4.000 0.025 0.000 0.000 62.000 M 0.55 0.053
4 26.000 0.148 0.000 0.000 47.000 M 0.00 0.000
50.700 2.65 0.215
#15 1 59.600 0.149 0.000 0.000 85.000 F 56.04 4.887
2 7.200 0.051 0.000 0.000 47.000 M 0.00 0.000
117.500 56.57 5.102
#25 1 4.400 0.118 0.000 0.000 85.000 F 4.87 0.374
4.400 4.87 0.374
#24 4.400 4.87 0.374
#23 4.400 4.87 0.374
#22 1 11.000 0.129 0.000 0.000 85.000 F 10.34 0.902
2 9.400 0.096 0.000 0.000 47.000 M 0.00 0.000
3 4.400 0.056 0.000 0.000 85.000 F 4.87 0.374
29.200 19.45 1.650
#21 29.200 19.45 1.650
#20 29.200 19.45 1.650
#18 1 4.200 0.061 0.000 0.000 85.000 F 4.65 0.357
33.400 24.10 2.007
#19 1 5.500 0.062 0.000 0.000 47.000 M 0.00 0.000
2 7.500 0.181 0.000 0.000 85.000 F 6.97 0.612
13.000 6.97 0.612
#17 13.000 6.97 0.612
#16 46.400 30.63 2.619
#13 46.400 30.63 2.619
#12 163.900 85.94 7.721
#11 1 24.000 1.445 0.000 0.000 47.000 M 0.00 0.000
2 2.700 0.034 0.000 0.000 85.000 F 2.99 0.229
3 1.000 0.003 0.000 0.000 98.000 F 1.73 0.172
191.600 90.66 8.123
Filename: Exhibit 7 Item 23 Part B 25-Yr 24-Hr Section 25 During Mining.sc4 Printed 03-17-2022
SEDCAD 4 for Windows
Copyright 1998 -2010 Pamela J. Schwab
Civil Software Design, LLC 24