Laserfiche WebLink
C <br />D <br />C, <br />- - <br />645U <br />— <br />ses. <br />6440 <br />EXISRNGBINWALL <br />QV <br />QZ <br />� w HAUL <br />u ROOD <br />r <br />6440 <br />603. <br />6030 <br />644` <br />a <br />NOTES <br />HALL <br />I <br />ASSUMEDWATER TABLE LOCATIONSBASEDON ReLDOBSERVAIRONS <br />P25 <br />/' <br />ROB <br />EXISTING BIN WALT. <br />AND SOIL BORINGS <br />642. <br />1� i <br />GRAIN <br />6430 <br />-8420 <br />2 <br />BUTTRESS TO BE CONSTRUCTED FROM LOCAL PIT GRAVEL <br />pE55 �% <br />3. <br />KEYWAY EXCAVATION AND DRAIN INSTALLATION WILL BE OBSERVLD <br />2: <br />BY HARDING LAWSON ASSOCIATES FIELD REPRESENTATIVE. <br />1 <br />6403 10 1 <br />z <br />< <br />CLAY REMOVED FROM SLOPE SHALL BE USED AS A CLAY CAP ON <br />2 6010 <br />- <br />F.B. = <br />L)` <br />6<10 <br />THE SURFACE OF SOIL BUTTRESS. SOIL SHALL BE 'TRACK COMPACTED. <br />FS. =1.68 <br />6411, <br />eV <br />/ <br />}III <br />6410 0 -_ <br />— <br />5 <br />KEYWAY SHALL BE EXCAVATED F FEET MINIMUM INTO FIRM CLAY OR <br />J <br />~~ <br />LLAYILOLWVNM <br />0 10 <br />DEEPER AS DIRECTED BY HI REPRESENTATIVE. <br />PRIDE - -"� <br />I <br />NO VER HCAL EXAGGERA RON <br />w <br />6 <br />TEMPORARY STORAGE OF CLAY REMOVED FROM KEYWAY SHALL <br />6400 <br />Ex \ST /'1GG <br />^ <br />6400 <br />BE PLACED ON ELECTRICAL SUBSTATION ACCESS ROAD. <br />\St <br />RAIN <br />KEYWAY <br />DRAIN CIAYICOLLUVIUM <br />\ <br />) <br />DRAIN LINE LOCATION SHALL BE ESTABLISHED IN THE K EYWAv <br />�. <br />BEDROCK <br />AND BASE OF THE EXISTING BIN WALL. <br />6390 <br />/ <br />INFERRED FROM <br />_ _ _ f. <br />BEDROCK <br />N INFERRED FROM <br />SOIL BORINGS <br />6WU <br />Y <br />SOIL BORWGS <br />WATER TABLE <br />001695 <br />/ {` \ <br />`WATER <br />Rn crz�7 <br />PB I Number C —Ro-- <br />/ TABLE <br />6'.i90 <br />(SEE NOTE 1) <br />— <br />--�-�— —7 <br />WW <br />— r - -� <br />ow <br />xhibit: _ .---------------------------------------------------I <br />_SectioLVE <br />___ <br />Class: 0 Revision <br />N <br />" <br />�o <br />Y <br />o' <br />94 <br />°N <br />PROFILE C <br />Oy <br />wN <br />PROFILE D <br />PROPOSED BUTTRESS DESIGN <br />- ----- -- -- - -- -- <br />DA cation (Coal only) 0 Bontl 0 Enforcement D Inspection <br />ppl <br />D <br />D' <br />6450 <br />645` <br />644` <br />a <br />VAR <br />HALL <br />ROB <br />EXISTING BIN WALT. <br />643` <br />6430 <br />2: <br />6420 <br />1 <br />6403 10 1 <br />DRAIN <br />FS. =1.68 <br />6411, <br />eV <br />/ <br />}III <br />6410 0 -_ <br />— <br />LLAYILOLWVNM <br />0 10 <br />/ <br />NO VER HCAL EXAGGERA RON <br />d4`U <br />\NGGiiDi KEYWAY <br />\St <br />RAIN <br />\ <br />BEDROCK <br />INFERRED FROM <br />1111 IN <br />Y <br />SOIL BORWGS <br />001695 <br />/ {` \ <br />`WATER <br />Rn crz�7 <br />PB I Number C —Ro-- <br />/ TABLE <br />Class: OPeRnit <br />(SEE NOTE 1) <br />s36` <br />— r - -� <br />ow <br />xhibit: _ .---------------------------------------------------I <br />_SectioLVE <br />___ <br />Class: 0 Revision <br />" <br />�o <br />Y <br />94 <br />Oy <br />port O H dro OG;ne21 <br />Doti e: �— �=='- <br />PROFILE D <br />- ----- -- -- - -- -- <br />DA cation (Coal only) 0 Bontl 0 Enforcement D Inspection <br />ppl <br />PROPOSED BUTTRESS DESIGN <br />W <br />Jevipb vwnr��or4Pn yvk9hpnnM'nMrypINMMM 1AW6d1.SWCI.LES <br />DRAWN: TAG <br />PROJECT NO $2640.4 <br />Harding Lawson Associates <br />Engineering and <br />- - - — B e <br />Environmental Services <br />- e — — = 13s East soum Temple <br />sell DIY. ur.n Bel n <br />(6011) X3634455 <br />MOUNTAIN COAL COMPANY <br />SOIL BUTTRESS <br />WEST ELK MINE <br />SOMERSET, CO <br />BUTTRESS DESIGN <br />SECTIONS C -C', D -D' <br />DRAWING w: <br />' <br />ENGINEER_ <br />Lk' <br />SCALE: <br />Assl3owN <br />{ <br />6 <br />cHEacEO: <br />APPROVED : <br />I NO. <br />GATE <br />REVISIONS <br />BY <br />LHK <br />DATE: <br />DATE <br />