Laserfiche WebLink
0 <br />n <br />s <br />N <br />0 <br />8 <br />R <br />3 <br />i <br />8 <br />8 <br />Gil <br />6400 <br />H. MI <br />O <br />DATE <br />A <br />RETAINING <br />WALL <br />BEDROCK <br />DEWATERING WELLS <br />CONSTRUCTION COMPLETED <br />10/97 <br />0 50 100 <br />SCALE IN FEET <br />SUBSTATION <br />EXISTING SCARP <br />RETAINING WALL <br />200 <br />Boring Information For Deep Holes: <br />HORIZONTAL DEWATERING TRENCHES <br />CONSTRUCTION COMPLETED 01/99 <br />o V) STONE COLUMNS <br />v <br />CONSTRUCTION COMPLETED 01/98 Z LANDSLIDE STABILIZATION PINS <br />v z CONSTRUCTION COMPLETED 05/98 <br />0 0 <br />M <br />N3S <br />I <br />Cn <br />u <br />— -- - - - - -- ENo - - - -_— N30 S <br />aiZif <br />Piezometer•Dote <br />Installed <br />Ground <br />Elevation: <br />4/98 <br />Water <br />Elevation: <br />6/99 <br />Water <br />Elevation: <br />Total <br />Depth <br />(feet) <br />Top of <br />Screen Depth <br />Bottom of <br />Screen Depth <br />W2A <br />17 OCTOBER 97 <br />6489 feet <br />6265 Feet <br />6279 Feet <br />266 <br />NA <br />NA <br />W2 -C <br />17 OCTOBER 97 <br />6488 Feet <br />6399 feet <br />6399 feet <br />100 <br />95 feet <br />100 feet <br />N3D <br />24 SEPTEMBER 97 <br />6300 feet <br />6179 feet <br />6183 feet <br />131 <br />123.5 Feet <br />128.5 feet <br />WE <br />30 SEPTEMBER 97 <br />6373 Feet <br />6265 feet <br />6265 feet <br />172 <br />NA <br />NA <br />W1 -D <br />30 SEPTEMBER 97 <br />6373 Feetj <br />6302 feet <br />I DRY <br />68 <br />NA <br />NA <br />SC -02 <br />DECEMBER 1997 1 <br />6313 feetj <br />6278 feet <br />1 6283 feet <br />1 90 <br />1 5 feet <br />89 Feet <br />REVISION DESCRIPTION <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 />DATE REG. NO <br />RELEASED I A I B I C 1 0 1 1 <br />TO /FOR I DATE RELEASED <br />PROJECTgp RCC BUTTRESS <br />CONSTRU ED 04/92 AND 04/97 <br />UPPER COLLUVIUM I— I I N2S -- ACCESS POAD <br />LOWER COLLUVIUM�ESTIMATED SHEAR PLANE <br />is--um . <br />z — — -- — — __ — i WEATHERED BEDROCK <br />- -- i i <br />0 SANDSTONE BEDROCK — — — — — —� <br />HORIZONTAL DRAIN <br />CONSTRUCTION COMPLETED 04/98 <br />1 <br />M <br />Boring Information For Shallow Holes: <br />&60 <br />Piezometer <br />Date Installed <br />Ground <br />Elevation: <br />4/98 <br />Water <br />Elevation: <br />6/99 <br />Water <br />Elevation: <br />Total <br />Depth <br />(feet) <br />Top of <br />Screen Depth <br />Bottom of <br />Screen Depth <br />B -10 <br />UNKNOWN <br />c <br />6356 <br />feet <br />6344 <br />feet <br />6344 <br />Feet <br />47 <br />Feet <br />NA <br />PORTAL RETAINING STRUCTURE (NOT <br />NA <br />W2 -D <br />17 <br />OCTOBER 97 <br />6489 <br />feet <br />6466 <br />feet <br />6462 <br />feet <br />35 <br />Feet <br />10 <br />feet <br />35 <br />feet <br />N3S <br />24 <br />SEPTEMBER 97 <br />6301 <br />feet <br />6288 <br />feet <br />6287 <br />feet <br />26 <br />feet <br />20 <br />feet <br />25 <br />feet <br />N1S <br />24 <br />SEPTEMBER 97 <br />6295 <br />feet <br />6285 <br />feet <br />6285 <br />feet <br />29 <br />feet <br />19.5 <br />feet <br />24 <br />5 feet <br />N2S <br />25 <br />SEPTEMBER 97 <br />6277 <br />feet <br />6270 <br />feet <br />6270 <br />feet <br />26 <br />feet <br />19.5 <br />feet <br />24.5 <br />feet <br />W1 -J <br />20 <br />NOVEMBER 97 <br />6371 <br />feet <br />6354 <br />feet <br />6346 <br />feet <br />50 <br />feet <br />10 <br />feet <br />50 <br />Feet <br />98 -16 <br />3 <br />MARCH 98 <br />6370 <br />feet <br />6353 <br />feet <br />6348 <br />fPrt <br />60 <br />feet <br />15 <br />feet _ <br />60 <br />feet <br />MINNEAPOLIS, MINNESOTA <br />HIBBING. MINNESOTA <br />DULUTH, MINNESOTA <br />BARRJEFFERSONOCITY, IMISSOURI <br />AS SHOWN <br />12 JUN 99 <br />PHS /TXD <br />cnecKea 1 CAK <br />Des;gned PHS /PTE <br />MOUNTAIN COAL COMPANY <br />SOMERSET, COLORADO <br />CI <br />124 <br />Class: 0 Revision qllll� <br />'_ 7ype/5eq: <br />Cleo 173 Rpoort d Hvdro oxen <br />CYd SS .S+u <br />1400 <br />PINS AT TOE OF SLOPE <br />STONE COLUMNS <br />DEWATERING WELLS <br />Q <br />HORIZONTAL DRAINS <br />POND LINING (NOT SHOWN) <br />c <br />T1 <br />RCC BUTTRESS (WEST END) <br />s <br />m <br />DEWATERING TRENCHES (PROPOSED) <br />o <br />m <br />PORTAL RETAINING STRUCTURE (NOT <br />SHOW+) <br />< <br />,F <br />CD <br />m <br />v <br />'mictG K f/ <br />BARR PROJECT No. <br />,F tqq? cootc;('�b s 06/26-041 <br />CLIENT PROJECT No, <br />NS MCC 9741 -28 <br />DWG. No. REV. <br />1 <br />IIII I I I I I I I I I I I I I III IIIII ���� IIII III <br />