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E <br />6360 <br />I HEREBY CERRFY THAT THIS PUN, SPECIFICATION, <br />OR REPORT WAS PREPARED BY ME OR UNDER MY <br />DIRECT SUPERVISION AND THAT I AM A DULY <br />LICENSED PROFESSIONAL ENGINEER UNDER THE <br />LAWS OF THE STATE OF COLORADO <br />CUENT <br />SID <br />_ <br />_ <br />6360 <br />SIGNATURE <br />SHALE <br />PRINTED NAME <br />DATE REG, NO. <br />RELEASED <br />TG <br />REVISION DESCRIPTION <br />OCRUSHER <br />FINES <br />DDRAINAGE <br />BLANKET <br />6340 <br />--- -- - - ---'-- <br />-- - i- <br />----- - -� - -- ----- - -- -- --- - --- -- ----- <br />'- <br />340 <br />SECTION REFERENCESG�TYP) <br />SHEET SECTION IS CALLED—OUT <br />(•F• DENOTES FIGURE) <br />6320 <br />- - - -• - - -- • - <br />- - - '- <br />- - - - -a- <br />6320 <br />/ <br />6300- <br />'- I--'-------- -- •-- -' --- <br />3 -• "-' <br />- <br />6300 <br />ORIGINAL GROUND 11 <br />6280 <br />- - - <br />'"" <br />' <br />APPROXIMATE SURVEYED - " - - - - ' - " " <br />'� - <br />6280 <br />HR -1 FINISHED GROUND <br />6260 <br />- - <br />- <br />- - --- - -- --- -- - - - - <br />- <br />6260 <br />_ -_ - - - - - - -_-_-_-_-_-_-_-- <br />14 --_--_----- ----- ---- <br />- <br />6240 <br />- <br />- 1 - /. .l--�---_-•.-_-_-_-_-_ <br />6240 <br />_-_ <br />- ' <br />TRENCH WITH <br />SILTSTONE/MUDSTONE <br />COMPACTED <br />_ .. - _' _'DRAINAGE <br />6220 <br />BEDROCK BENCH <br />-' <br />COLLUVIUM <br />,- ' - <br />/ _ - _ - _ _ _ _ _ _ - _ ` _ ' _ - _ _PIPE. SEE <br />- --- -/"�_ __-_-_ _-_ _-�-_ __ ¢ _-_ _ - <br />_ <br />6220 <br />BEDROCK_- <br />/ - (APPROXIMATE) -_-_ - -_-_- - -- <br />- <br />6200 <br />-• - -- <br />- -- - <br />- _-_- - - - - <br />"r ----_--=_ --------- --- --------- <br />- <br />6200 <br />_---_--_-_------ <br />COLLUVIUM / <br />----- - - - - CARBONACEOUS SHALE <br />6180 <br />- <br />--'- - / <br />- - --'-' <br />- <br />6180 <br />/ <br />INCLINOMETER I TH <br />6160 <br />VIBRATING W RE P EZIMETE-RS , '-COALw T <br />_ <br />- <br />6160- <br />DRAINAGE BLANKET SE __ <br />6140 <br />._ . ;. d_. - ' <br />= ... <br />_ ----- - - - -_-_- -_ _ -_-_ - - - "- -_ <br />6140 <br />0+00 <br />0+20 0+40 0+60 0+80 <br />1+00 1+20 <br />1+40 1+60 1+80 2+00 2+20 2+40 2+60 2+80 3+00 3+20 3+40 3+60 3+80 4+00 <br />4+20 <br />BEDROCK SURFACE, <br />1 SECTION: TYPICAL SLIDE REPAIR <br />NOT DEFINED <br />F -q <br />INTERCEPTOR TRENCH <br />DRAIN SEEe <br />/ <br />/ <br />DATE <br />/ <br />APPROXIMATE SURVEYED / <br />HR -1 FINISHED GROUND- / <br />ORIGINAL GROUND <br />VARIES, SEE <br />NOTE 2. <br />1 � <br />/ VARIES, SEE NOTE 1. <br />COMPACTED <br />COLLUVIUM / COLLUVIUM <br />N /COLLUVIUM <br />v/1 BEDROCK <br />(APPROXIMATE) <br />J <br />COARSE AGGREGATE <br />CHIMNEY DRAIN <br />AGGREGATE DRAINAGE <br />BLANKET <br />-'-'- -'-'-'-'- -'-'--- -------- <br />/ DRAINAGE TRENCH. 3 FT MIN DEPTH <br />BEDROCK LEDGE <br />3 SECTION: TYPICAL FILTER BLANKET - WEST SLIDE W/ 16-0 SLOTTED HDPE PIPE <br />(APPROXIMATE)-'- F_q NOT TO SCALE <br />NOTE: 1. SLOPE OF BEDROCK FACE AND CHIMNEY <br />DRAIN VARIES FROM 1H:1V TO NEARLY <br />VERTICAL ALONG LENGTH OF REPAIR. <br />2. SURFACE SLOPE IN THE VICINITY OF THE <br />CROSS-SECTION VARIES FROM APPROX. <br />2.1H 1V TO 1.8H.1 V. <br />I <br />I <br />I� BEDROCK LEDGE <br />I (APPROXIMATE) <br />I <br />I <br />COMPACTED <br />COLLUVIUM I COARSE AGGREGATE <br />/ / z DRAINAGE MATERIAL <br />APPROXIMATE SURVEYED / EL. VARIES <br />HR -1 FINISHED GROUND / (EL. 6210 MIN FOR EAST SLIDE) <br />' �•� 10"0 SLOTTED HDPE PIPE <br />ORIGINAL GROUND / �- BEDROCK <br />14 / COLLUVIUM (APPROXIMATE) i <br />1 / COMPACTED ELEVATION VARIES <br />� <br />i <br />i <br />COARSE AGGREGATE / <br />CHIMNEY DRAIN / <br />I VARIES (SEE FIGURE F-4) ,,.•'� �• / <br />ELEVATION VARIES <br />4 DETAIL' UPPER DRAINAGE PIPE <br />z -- NOT TO SCALE <br />•vT <br />COARSE AGGREGATE SILTSTONE/MUDSTONE DRAINAGE TRENCH <br />3 FT MIN DEPTH <br />DRAINAGE BLANKET MATERIAL BEDROCK BENCH <br />2 DETAIL: TYPICAL FILTER BLANKET - EAST SLIDE z <br />NOT TO SCALE ? <br />NOTE: NARROWER PORTIONS OF THE DRAINAGE BLANKET +f <br />WERE INCREASED TO A DEPTH OF 6 FT MIN.„�,x.,,,�,, �- ,, ;"yam =';• i, <br />—BProOffice ENGINEERING CO. <br />STREET <br />.IN <br />55435-4803 <br />=RELEASED <br />Corpwate Headquarters Ph 1-600-632-2277 <br />MmneaPolie. Mmneeoto Fax: (952) 632-2601 <br />DPh: 1-600-632-2277 ee barr.com <br />MOUNTAIN COAL COMPANY, L.L.0 <br />SOMERSET, COLORADO <br />I FC;FND <br />SANDSTONE <br />I HEREBY CERRFY THAT THIS PUN, SPECIFICATION, <br />OR REPORT WAS PREPARED BY ME OR UNDER MY <br />DIRECT SUPERVISION AND THAT I AM A DULY <br />LICENSED PROFESSIONAL ENGINEER UNDER THE <br />LAWS OF THE STATE OF COLORADO <br />CUENT <br />SID <br />E AND <br />SANDSTONE <br />C NSTRU TI01 <br />RECORD <br />SIGNATURE <br />SHALE <br />PRINTED NAME <br />DATE REG, NO. <br />RELEASED <br />TG <br />REVISION DESCRIPTION <br />—BProOffice ENGINEERING CO. <br />STREET <br />.IN <br />55435-4803 <br />=RELEASED <br />Corpwate Headquarters Ph 1-600-632-2277 <br />MmneaPolie. Mmneeoto Fax: (952) 632-2601 <br />DPh: 1-600-632-2277 ee barr.com <br />MOUNTAIN COAL COMPANY, L.L.0 <br />SOMERSET, COLORADO <br />I FC;FND <br />SANDSTONE <br />EXISTING COARSE AGGREGATE <br />DRAINAGE BLANKET <br />BEDROCK <br />(APPROXIMATE) <br />5\ DETAIL: TYPICAL INTERCEPTOR TRENCH DRAIN <br />\/ NOT TO SCALE <br />HAUL ROAD LANDSLIDE REMEDIATION <br />WEST ELK MINE <br />TYPICAL REPAIR SECTIONS <br />1 <br />FIGURE 5 <br />SWITH <br />O <br />E AND <br />SANDSTONE <br />SHALE <br />D <br />SHALE <br />CARBONACEOUS SHALE <br />D <br />COAL <br />OCRUSHER <br />FINES <br />DDRAINAGE <br />BLANKET <br />SECTION IDENTIFIER (TYP.) <br />1 <br />SECTION VIEW TITLE <br />F-02 <br />CALL OUT <br />SECTION REFERENCESG�TYP) <br />SHEET SECTION IS CALLED—OUT <br />(•F• DENOTES FIGURE) <br />EXISTING COARSE AGGREGATE <br />DRAINAGE BLANKET <br />BEDROCK <br />(APPROXIMATE) <br />5\ DETAIL: TYPICAL INTERCEPTOR TRENCH DRAIN <br />\/ NOT TO SCALE <br />HAUL ROAD LANDSLIDE REMEDIATION <br />WEST ELK MINE <br />TYPICAL REPAIR SECTIONS <br />1 <br />FIGURE 5 <br />