2013-01-14_PERMIT FILE - C1996083A ‎(11)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 1/14/2013
• Doc Name: Appendix A through Appendix C
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Structure Detail:
Structure #13 6Rl "ra Chann
F9
Trapezoidal Riprap Channel Inputs:
Material Riprap
Botto m Left Right
Freeboard Freeboard Freeboard
Sideslope Sides[ope Slope (%)
Width (ft) Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
3.00 1.5:1 1.5:1 42.0
i 1.00
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Filename: Pond F100 Year.sc4
TR-76
Velocity and Manning's n calculations may not apply for this method.
App. B-26
1
Printed 11-08-2012
11/12
w/o Freeboard w/ Freeboard
Design Discharge:
0.32 cfs
Depth:
0.03 ft 1.03 ft.
Top Width:
3.08 ft 6.08 ft
Velocity *:
X- Section Area:
0.08sqft
--Hydraullc Radius:
0.027 ft
Froude Number*:
Manning's -n*:
Dmin:
3.00 in
D50:
9.00 in
Dmax:
11.25 In
Velocity and Manning's n calculations may not apply for this method.
App. B-26
1
Printed 11-08-2012
11/12