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6500 <br />6400 <br />6200 <br />1-1160 <br />M <br />0 200 400 <br />ATERING TRENCHES <br />STONE COLUMNS <br />— — - x -- <br />600 <br />5 <br />i <br />i <br />HORIZONTAL DRAIN <br />:ers, <br />LANDSLIDE STABILIZATION PINS <br />n <br />r <br />0 <br />m <br />4 <br />8 <br />8 <br />R <br />0 <br />0 <br />i <br />i <br />n <br />I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED <br />BY ME OR UNDER MY DIRECT SUPERVISION AND THAT <br />I AM A DULY REGISTERED PROFESSIONAL ENGINEER <br />UNDER THE LAWS OF THE STATE OF COLORADO. <br />NO. BY 1CHKjAPPj DATE 1 REVISION DESCRIPTION I DATE REG. NO <br />RELEASED <br />TO /FOR <br />DATE RELEASED <br />B� 8300 NORMAN CENTER DRIVE MINNEAPOLIS, MINNESOTA <br />Engineering Company H BBING, M N ESO TA <br />Approved <br />AS SHOWN <br />27 MAY 98 <br />PHS <br />PHS /PTE <br />MOUNTAIN COAL COMPANY <br />SOMERSET, COLORADO <br />PROJECTED F <br />C BUTTRESS <br />RECEIV L% <br />i i o <br />r <br />JUN 11 1 98 <br />c <br />Division of Minerals Ge <br />1 <br />1400 <br />CORRECTIVE <br />MEASURES <br />OF SLOPE <br />v <br />PINS AT TOE <br />2. <br />STONE COLUMNS <br />3. <br />DEWATERING <br />WELLS <br />4, <br />HORIZONTAL <br />DRAINS <br />i <br />POND LINING <br />10 <br />6. <br />RCC BUTTRESS (WEST END) <br />7. <br />DEWATERING <br />TRENCHES (PROPOSED) <br />R <br />vo <br />"'NG STRUCTURE (NOT SHOWN) <br />1 <br />�e <br />i <br />Z <br />o <br />i <br />i° <br />n <br />ELi> <br />Ig <br />E <br />K "jtt <br />Z <br />LI°Ni° <br />E <br />V' <br />C <br />E) <br />a <br />uw;u <br />1 <br />1400 <br />CORRECTIVE <br />MEASURES <br />OF SLOPE <br />1. <br />PINS AT TOE <br />2. <br />STONE COLUMNS <br />3. <br />DEWATERING <br />WELLS <br />4, <br />HORIZONTAL <br />DRAINS <br />5. <br />POND LINING <br />(NOT SHOWN) <br />6. <br />RCC BUTTRESS (WEST END) <br />7. <br />DEWATERING <br />TRENCHES (PROPOSED) <br />R <br />DnorAI r,r- <br />"'NG STRUCTURE (NOT SHOWN) <br />n,fl 1/7 1e4 /ZI Fj <br />d 1 L-I-- Co yree AAE!° <br />Me(1.SUf P..� <br />8 ��c;s��n� �nd�►`a <br />0626024CAK001 <br />CLIENT PROJECT No. <br />SHEET No. REV. No. <br />