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
(:nmi.inht 1009 _'3007 P-1. I Cnh,.,.h
•
Structure Detail;
Structure #23 (Riprap Channel
EAST DIVERSION
EAST DIVERSION
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
a Slope Sideslo a Sideslo ( )
Width (ft)
Depth (ft) % of Depth �VXp�
Ratio Ratio
0.57 ft 1.57 ft
3.00 1.5:1 1.5:1 5.0
1.00
Riprap Channel Results:
PADER Method - Steep Slope Design
0
•
Filename: Pond F- 100Yr.sc4
Printed 09 -28 -2009
TR -64 App. B -32 09/09
&PRov60 I2-1ZB1Cq
w/o Freeboard w/ Freeboard
Design Discharge:
9.86 cfs
Depth:
0.57 ft 1.57 ft
Top Width:
4.70 ft 7.70 ft
Velocity:
4.53 fps
X- Section Area:
2.18 sq ft
Hydraulic Radius:
0.432 ft
Froude Number:
1.17
Manning's, n:
0.0420
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Filename: Pond F- 100Yr.sc4
Printed 09 -28 -2009
TR -64 App. B -32 09/09
&PRov60 I2-1ZB1Cq