2014-09-02_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2014
• Doc Name: Appendix B - Protection of Hydrologic Balance
• Section_Exhibit Name: Volume XI Coal Mine Waste Disposal Area No. 3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
1
Structure Detail;
Structure #29 X / pray Channel,
DITCH J -19
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sldeslope Sideslope Slope ( % °)
0.46 cfs
Ratio Ratio
Depth (ft) % of Depth Mult x (VxD)
1.5:1 1.5:1 30.0
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 J-10 Year Event 013014.sc4 Printed 02 -04 -2014
TR -84 Volume XI, App. B -28 02/14
W/o Freeboard w/ Freeboard
Design Discharge:
0.46 cfs
Depth:
0.05 ft 1.05 ft
Top Width:
-
0.15 ft 3.15 ft
- - -- -
Velocity*:
- - - - - --
X- Section Area:
0.00 sq ft -__.._..-.-----
Hydraulic Radius:
0.021 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 J-10 Year Event 013014.sc4 Printed 02 -04 -2014
TR -84 Volume XI, App. B -28 02/14