2009-06-04_PERMIT FILE - C1996083A ‎(8)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 6/4/2009
• Doc Name: Appendix B - Ditch Summary
• Section_Exhibit Name: Volume XI Coal Mine Waste Disposal Area No. 3
• Media Type: D
• Archive: Yes

•

•
DITCH SUMMARY
LOADOU T

SIDE SIDE
SLOPE SLOPE MAX BOTTOM DITCH RIP
Ditch TYPE Right Left GRADE WIDTH DEPTH RAP Event
(ft. (ft. in.
i1 TRAP. (1:1) 1 (1:1 1.0% 2.0 0.4 - 10-Year
i2 DELTED FROM D ESIGN

11 V-DITCH (1.5:1)1 (1.5:1) 1.2% - 0.8 - 10-Year
1 ,12 V-DITCH 1.5:1 (1.5:1 3.5% - 1.0 - 10-Year
J3 TRAP. 1.5:1) 1.5:1 0.5% 3.0 1.7 - 100-Year
J4 V-DITCH 1.5:1 1.5:1 0.1% - 3.1 - 10-Year
J5 V-DITCH 1.5:1) 1.5:1) 0.1% - 1.0 - 10-Year
J6 V-DITCH 1.5:1 (1.5:1) 0.1% - 1.0 - 10-Year
* J7 V-DITCH (1.5:1 (1.5:1 33.0% - 2.0 12.0 100-Year
- J8-1 V-DITCH 1.5:1 1.5:1 0.5% 1.5 100-Year
* 18-2 TRAP. 1.5:1 1.5:1 12.5% 3.0 1.4 12.0 100-Year
J9-1 V-DITCH 1.5:1 1.5:1 0.5% 1.3 100-Year
* 19-2 TRAP. 1.5:1 1.5:1) 12.5% 3.0 1.4 15.0 100-Year
J9-3 TRAP. 1.5:1 1.5:1 12.5% 3.0 1.2 15.0 100-Year
J10 V-DITCH 20:1 1.5:1 2.0% - 0.7 - 100-Year
J11 V-DITCH 20:1 1.5:1 2.0% - 0.8 - 100-Year
J12 V-DITCH 1.5:1 1.5:1 6.0% - 0.6 9.0 10-Year
* J12 V-DITCH 1.5:1 (1.5:1 12.0% - 0.5 12.0 10-Year
J13 V-DITCH 1.5:1 1.5:1 6.0% - 0.8 - 10-Year
* J13 V-DITCH 1.5:1 1.5:1) 10.0% - 0.5 12.0 10-Year
* J14 V-DITCH (1.5:1)1 (1.5:1) 40.0% - 0.5 9.0 100-Year
J15 V-DITCH (1.5:1 1.5:1 10.0% - 1.3 - 10-Year
J16-1 V-DITCH 1.5:1 1.5:1 10.0% - 1.2 - 10-Year
J16-2 V-DITCH 1.5:1 1.5:1) 10.0% - 1.3 - 10-Year
J17 V-DITCH 1.5:1 1.5:1) 10.0% - 1.3 - 10-Year
J18 V-DITCH 1.5:1 1.5:1) 10.0% - 1.3 - 10-Year

* SEE M AP 15-1 & 15-3 FOR RIP RAP LOCATION

Flow depth includes freeboard.
Appendix B
05/09
TR-49
/? PPRav6D