2019-05-28_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 5/28/2019
• 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

APPENIDX B-OPERATIONS
Summary Coal Mine Waste Disposal Area Ditches and Culverts
a -�00000000
TDITCH IBOTTOM DITCHI RIP Desi n Peak Desi n
Ditch TYPE RADWIDTH EPT ®Event Flow Flow
i1 TRAP. 1 1.0% 1.0 0.5 [�10-Year 0.6 0.6
0 i2JIDELTED FROM DESIGN
0 0�0�0��0
J1 V-DITCH1.2% 0 1.0 - 10-Year 1.8 1.8
=P2 DELETED FROM DESIGN TR-91) 0
J3 TRAP. 0.6% 3.0 1.9 100-Yea 36.1 36.1
=J4 V-DITCH 10.1% O 3.0 -Year 14.4 14
OJ5 V-DITCH 0.1% 1.0 10- ear 0.7 0.77
=�J6 V-DITCH 0.1% 0 1.0 =10-Year 0.5 0.5
f- J7 ,, V-DITCH33.0°0 1.5 9.0 10- ear 14.4 14.4
J8 TRAP. 0.7% 3.0 1.6 100-Yea 9.4 9.4
0 J9 TRAP. 11.0 0 3.0 1.2 15.0 100-Yea 8.1 8.1
=J10 TRAP. 1.0% 3.0 1.3 100-Yea 2.0=Jill TRAP. 8.0 0 3.0 1.3 12.0 100-Yea 9.2 9.2
�J11 Optional 112 Cluve 8.0°0 ] 1.1 11 11100-Yea:11 11.0 1111.0
J12 V-DITCH 2.0% H I=F----]1100-Yea1 5.5 5.5
�J13 IH-11 2.0% 0.7 100-Yea 5.6 q 5.6
=J14 V-DITCH 5.0°0 �� 1.3 10-Year 8.9 8.9
[�015 V-DITC 10.0% 0.6 F--- I 10 YearF 0.8 11 0.8
=J16 j V-DIT R11 10.0% 0.5 10 Year 0.3 11 0.3
=-IJ17 �� V-DITCH 10.0°° �� 1.3 �:310-Year 0.4 0.4
J1 10-Year H 0.8 0 8
=J19 V-DITCH 30.0°0 0 1.1 9.0 10 Year 0.5 0,5
=P20 V-DITCH 1.0% 1.3 0100-Yea 1.8 111.8
E.CW Div. (0.6%) V-DITCH 0.6% 0 2.2 0100- ea 1.2 22.5
E.CW Div. 7.506V-DITC 7.5% 2.0 3.0 10-Year 0.9 93
E.CW Div. 1.0% V-DITCH 1.0 0 0 1 6 010 Year 0.9 10.5
= T22 SAE to CW 1%seg -DITCH 1.0°° 0.8 10-Year 0.9 0.9
J*Culvert:
J124" 10-Year 13.3 13.3
J2124" Q 0-yearl 14.4
J312" C 1 Year 8.7 8.7
®24" ���r�0100 Yea 9.2 9.2
J5 12" 0�0��10-Year 0.3 0.3
J6 12" 11 10- ear 0.4 0.4
J71112"
Jg 2411 �����[�100-Yea 13.6 13.6
J9 Double barrel4' C�0�0�100- ea 22.5 22.5
10 (temporary) =F-71 Yea 4.9 4.9
J11 112 30"Optional 11.0 1 11.0
J12 12" ��0��•-]0�10- ear 0.8 0.8
J112" 1.4 1.4
J14 12"
715 30"Half Culvert-���OC���10-Year1 1.4 111 1.4
J16 em ora �C]0��0100-Yea 0 11.0
J17 Intenlonally left blank_j �0
J18 24" ��0��0100-Yea 13.7 13.7
J1918" �OOr.�01oo-Yea 8.1 1 8.1
o � 000000
*Culvert size is minimum siz o
Flow depth includes freeboard.
TR-118 Volume XI,App. B-2 02-19