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APPENIDX B <br />Summary Coal Mine Waste Disposal Area Ditches and Culverts <br />DITCH MAX BOTTOM DITCH RIP Design Peak Design <br />pitch <br />TYPE GRAD <br />WIDTH <br />DEPT <br />RAP <br />Event <br />Flow <br />Flow <br />0 <br />i1 <br />TRAP. 1.0% <br />1.0 <br />0,5 <br />010 <br />-Year <br />0.6 <br />F .6 <br />=12 <br />DELTED FROM DESIGN <br />J1 <br />J2 <br />V -QITCH 3.5% <br />0.6 <br />010 <br />-Year <br />0.4 <br />0.4 <br />J3 - -� <br />TRAP. 0.6% <br />3.0 <br />1.8 <br />0100 <br />-Yea <br />33.3 <br />33.3 <br />= <br />J4 <br />V -DITCH 0.1 % <br />3.0 <br />010 <br />-Year <br />21.8 <br />21.8 <br />=J5 <br />�� <br />V -DITCH <br />0.1% <br />0.1% <br />0 <br />0 <br />1.0 <br />1.0 <br />010 <br />010 <br />-Year <br />-Year <br />0.7 <br />0.5 <br />0.7 <br />0.5 <br />OJ6 <br />V -DITCH <br />=] <br />J7 <br />V -DITCH <br />33.0% <br />1.5 <br />9.0 <br />10 -Year <br />21.8 <br />21.8 <br />J8 <br />TRAP, <br />0.7% <br />3.0 <br />1.5 <br />100 -Yea <br />5.9 <br />5.9 <br />=jig <br />TRAP. <br />11.0 °° <br />3.0 <br />1.2 <br />12.0 <br />100 -Yea <br />11.1 <br />11.1 <br />J10 <br />TRAP. <br />1.0% <br />3.0 <br />1.4 <br />0 <br />100 -Yea <br />4.9 <br />4.9 <br />=Jill <br />- -� <br />TRAP. <br />8.0% <br />3.0 <br />1.3 <br />12.0 <br />100 -Yea <br />11.0 <br />11.0 <br />J12 <br />V -DITCH <br />2.0% <br />0.7 <br />100 -Yea <br />100 -Yea <br />4.0 <br />4.0 <br />4.3 <br />J13 <br />V -DITCH <br />2.0% <br />0.7 <br />4.3 <br />J14 <br />V -DITCH <br />5,0% <br />0 <br />0.8 <br />�-� <br />10 -Year <br />1.5 <br />1.5 <br />J15 <br />V -DITCH <br />10.0% <br />0 <br />0.6 <br />010 <br />-Year <br />0.8 <br />0.8 <br />= <br />J16 <br />F V -DITCH <br />10.0% <br />0.5 <br />[ <br />10 -Year <br />0.3 <br />0,3 <br />J17 <br />F V-DITCH <br />10.0% <br />0 <br />1.3 <br />010 <br />-Year <br />0.4 <br />0.4 <br />=[J18 <br />V -DITCH <br />15.0% <br />1.1 <br />9.0 <br />10 -Year <br />0.8 <br />0.8 <br />J19 <br />V -DITCH <br />30.0% <br />1.1 <br />9.0 <br />10 -Year <br />E. CW Div. (0.6 %) <br />V -DITCH <br />0.6% <br />2.2 <br />0100 <br />-Yea <br />1.2 <br />22,5 <br />E. CW Div. (7.5% <br />V -DITCH <br />7.5% <br />0 <br />2.0 <br />3.0 <br />10 -Year <br />0.9 <br />9.3 <br />E. CW Div. 1.0 %) <br />V -DITCH <br />1.0% <br />E= <br />1.5 <br />10 -Year <br />0.9 <br />9.3 <br />*Culvert: <br />I <br />J1 <br />24" <br />1 <br />10 -Year <br />20.6 <br />20.6 <br />J2124" <br />I <br />10 -Year <br />21.8 <br />21.8 <br />J3 <br />[12" <br />��00010 <br />-Year <br />1.2 <br />1.2 <br />34112 <br />4 <br />1170 <br />J5 <br />12" <br />�O��r_ <br />-� <br />10 -Year <br />0.3 <br />1 0.3 <br />J6 <br />12" <br />Ot__ <br />�r <br />X0010 <br />-Year <br />0.4 <br />0.4 <br />J7 <br />12" <br />�0�-7����� <br />10 -Year <br />0.8 <br />0.8 <br />J8 <br />24" <br />Ol�[00100 <br />-Yea <br />J9 <br />Double barrel 24" <br />�_�0��]0100 <br />-Yea <br />-Yea <br />22,5 <br />4.9 <br />22.5 <br />4.9 <br />FU 10124" emporary 0��00100 <br />* Culvert size is minimum size <br />F7� <br />Flow depth includes freeboard. <br />====E= <br />MR -159 Volume XI, App. B -2 08114 <br />