PERMFILE58585

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/26/2005
• Doc Name: Appendix A to Appendix C -Report Dated 11/10/03
• Section_Exhibit Name: Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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26

Stru
#
SWS
# sW5 Area

(ac) Time of
Conc
(hrs) Musk K

(hrs)
Musk X Curve

Number
UHS Peak
Discharge
~
( ) Runoff
Volume
ac-ft
( )
#Z 1 0.590 0.100 0.000 0.000 61.000 TR55 0.13 0.011
2 2.970 0.100 0.000 0.000 61.000 TR55 3.33 0.251
3 0.560 0.100 0.000 0.000 87.000 TR56 0.81 0.065
5.160 5.54 0.426
#4 1 0.390 0.100 0.000 0.000 87.000 TR55 0.57 0.045
6.600 7.63 0.593
#26 ~ 66.460 40.49 3.474
#7 1 2.070 0.100 0.000 0.000 87.000 TR55 3.00 0.241
~ 68.530 43.49 3.715
#32 ~ 388.440 69.67 7.905
#33 ~ 388.440 69.67 7.905
Subwatershed Time of Concentration Detai/s:
Stru sWS land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps)
#31 2 1. Forest with heavy ground litter 30.47 1,740.00 5,710.00 1.390 1.141
#31 2 Time of Concentration: ~ 1.141
Filename: GobPileDitches.sc4
Printed 10-29-2003
App-B - 34 - 11/03