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
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Structure Detail;
Structure #24 (Riprap Channel
WEST DIV - I
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Wiidt ft Sideslope Sideslope Slope { %)
()
Mult. x
Ratio Ratio
o
Depth (ft) /o of Depth
(VxD)
3.00 1.5:1 1.5:1 10.0
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 -33i 09/09
/i PPRoV6.b /2-/Zg /O9
w/o Freeboard w/ Freeboard
Design Discharge:
2.63 cfs
Depth:
0.14 ft 1.14 ft
Top Width:
3.41 ft 6.41 ft
Velocity*:
X- Section Area:
0.44 sq ft
Hydraulic Radius:
0.125 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.
•
Filename: Pond F- 100Yr.sc4 Printed 09 -28 -2009
TR -64 App. B -33i 09/09
/i PPRoV6.b /2-/Zg /O9