PERMFILE114540

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 3/20/2007
• Doc Name: Appendix A to Appendix C Report, 11/10/03
• Section_Exhibit Name: Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
w/o Freeboard w/ Freeboard
Design Discharge: 5.36 cfs
Depth: 0.17 ft 1.17 R
Top Width: 3.52 R 6.52 ft
Velocity*:
X-Section Area: 0.57 sq ft
Hydraulic Radius: 0.157
Froude Number*:
Manning's n*:
Dmin: 3.00 in
D60: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #13 (Riprap Channel
F9
Triangular Riprap Channel Inputs:
Material: Riprap
LeR Right Freeboard Freeboard Freeboa~
Sideslope Sideslope Slope (%) Mult x
Ratio Ratio Depth (R) % of Depth (yxD)
1.5:1 1.5:1 40.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 1.67 cfs
Depth: 0.06 ft 1.06 ft
Top Width: 0.18 ft 3.18 ft
Velocity*:
X-Section Area: 0.01 sq ft
Hydraulic Radius: 0.026
Froude Number*:
Manning's n*:
Dmin: 4.00 in
D50: 12.00 in
Dmax: 15.00 in
Velocity and Manning's n calculations may not apply for this method.
Structure #17 (Erodible Channel
Filename: POND F.sc4 Printed 09-27-2006
TR-y `I App. B -17
~;°PRovEI) 3~~~07