2009-12-28_PERMIT FILE - C1996083A ‎(10)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 12/28/2009
• 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
r',—,inht 1 OOR _9007 P -1. I Cnhwah
•
Structure Detail;
Structure #24 6% rap Channel)
WEST DIV -1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
a Sideslo Sideslo a Sloe
Width (ft) p p Slope )
Depth (ft) % of Depth Mult. x
Ratio Ratio
(VxD)
3.00 1.5:1 1.5:1 5.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
•
Velocity and Manning's n calculations may not apply for this method.
•
Filename: Pond F- 100Yr.sc4 Printed 09 -28 -2009
TR -64 App. B -33 09/09
IMPOKIL) i 12 59/07
w/o Freeboard w/ Freeboard
Design Discharge:
2.63 cfs
Depth:
0.22 ft 1.22 ft
Top Width:
3.66 ft 6.66 ft
Velocity *:
X- Section Area:
0.73 sq ft
Hydraulic Radius:
0.192 ft
Froude Number *:
Manning's n *:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
•
Filename: Pond F- 100Yr.sc4 Printed 09 -28 -2009
TR -64 App. B -33 09/09
IMPOKIL) i 12 59/07