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0 S B <br />SCALE IN FEET <br />2" DIA. DRAIN PIPE <br />WITH VALVE <br />Permit N bee C 0 �O-1 <br />Class ermit <br />Secti I It <br />Class �C- - - �" 11 PGA ---- <br />n- -- -- d1-1° - -- -- ---- -- - -- - - -r -- -- -- - -- -- -- <br />' Cla s E Revision 1 U /off^ h Q�a h <br />YP 9_- <br />__ - -- -- - - <br />Class ❑ ReReport C7 Hydro ytlro []General <br />Doc Type rT .i LA r--k <br />DApplicaeon (Coal only) O Bond O Enforcement [I Inspection <br />VIEW OF <br />CONCRETE BLOCK BULKHEADS <br />NOTE: BULKHEADS CONSTRUCTED USING vx B "x Is- <br />SOLID CONCRETE BLOCKS SECURELY CEMENTED <br />I TOGETHER <br />40' -0" APPROX - <br />FIRST CONCRETE <br />BLOCK BULKHEAD <br />SECOND CONCRETE <br />BLOCK BULKHEAD <br />MINIMUM OF 25 FEET LENGTH <br />OF B GUAGE TUNNEL LINER FULLY <br />FILLED WITH COMPACTED CRUSHED <br />ROCK AND /OR GRAVEL <br />#2 PORTAL CROSS- SECTION <br />RECLAMATION PROCEDURES FOR SEALING <br />EXISTING <br />10' -0" CROWNED <br />TUNNEL <br />I <br />0 10 20 <br />SCALE IN FELT <br />NCEC, Ridge No.1 <br />RECLAMATION AND CLOSURE' <br />PLANS FOR PORTAL NO.2 <br />920810 Figure 4.4 -2 <br />l�9ll ��lll �llil l�i�l ll��i lllll <br />all 15 <br />007180 <br />