2008-09-16_PERMIT FILE - C1982056

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/16/2008
• Section_Exhibit Name: Exhibit 08cc 6MN Mine Water Storage Reservoir Drainage Designs ‎(TR61)‎
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Elevation

6 710.00
Emergency
Spillway (cfs)

0.000 Combined
Total
Discharge
(~)
0.000
6 710.50 0.000 0.000
6 711.00 0.000 0.000
6 711.50 0.000 0.000
6 712.00 0.000 0.000
6 712.50 0.000 0.000
6 713.00 0.000 0.000
6 713.50 0.000 0.000
6 714.00 0.000 0.000
6 714.25 0.000 0.000
6 714.50 0.000 0.000
6 715.00 0.000 0.000
6 715.50 0.000 0.000
6 716.00 9.989 9.989
6 716.50 127.795 127.795
6 717.00 259.635 259.635
Structure #1 (Riprap Channel
Lower Diversion Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap

Bottom Left Right o
Sideslope Sideslope Slope (/o) Freeboard Freeboard Freeboard
Width (ft)
Ratio Ratio Depth (ft) % of Depth Mult. x (VxD)
5.00 2.0:1 2.0:1 14.0 0.53
Riprap Channel Results:
PADER Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Depth: 1.47 ft 2.00 ft
Top Width: 10.87 ft 12.99 ft
Velocity: 10.38 fps
X-Section Area: 11.65 sq ft
Hydraulic Radius: 1.008
Froude Number: 1.77
Manning's n: 0.0540
Dmin: 5.00 in
D50: 9.00 in
Dmax: 12.00 in
Structure #4 (Riprap Chann%~
Ditch to Drainage
. Trapezoidal Riprap Channel Inputs:
Filename: 6MNPond2.sc4 Printed 07-13-2007