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w <br /> H <br /> 0 <br /> v, <br /> C <br /> • ' r <br /> SPECIFICATIONS <br /> 2 . 0 DISPOSAL OF WASTE 3 . 0 INSPECTION <br /> 1 . 1 GENERAL 2 . 1 GENERAL <br /> 1 ALL TOPSOIL SHALL BE REMOVED AND SEGREGATED FROM OTHER 2 . 1 . 2 THE WASTE PILE SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE 3 ' 1 SEDIMENTATION PONDS <br /> 1 . 1 . <br /> MATERIAL AFTER VEGETATION COVER IS CLEARED BUT BEFORE NOTES AND DETAILS SPECIFIED ON THE CONSTRUCTION DRAWINGS . 3 . 1 . 1 THE SEDIMENTATION PONDS SHALL BE INSPECTED DURING CON- <br /> ANY EXCAVATION OR OTHER SURFACE DISTURBANCE . STRUCTION AND CERTIFIED AFTER CONSTRUCTION BY A QUALI - <br /> 2 VEGETATION COVER SHALL BE REMOVED ONLY FROM THOSE AREAS 2 . 2 SITE INSPECTION FIED REGISTERED PROFESSIONAL ENGINEER . <br /> 1 . 1 . <br /> FROM WHICH IT IS NECESSARY TO REMOVE TOPSOIL . THE AREA 2 . 2 . 1 ALL ROOTS , STUMPS , VEGETATION OR OTHER ORGANIC MATERIALS 3 . 1 . 2 CERTIFICATION OF THE CONSTRUCTED PONDS SHALL BE FORWARDED <br /> OF DISTURBANCE SHOULD BE MINIMIZED TO THE EXTENT POS- WHICH REMAIN AFTER REMOVAL OF TOPSOIL AND WHICH COULD CON- TO COLORADO MINED LAND RECLAMATION DIVISION IMMEDIATELY <br /> SIBLE . TRIBUTE TO SPONTANEOUS COMBUSTION OR INTERFERE WITH THE FOLLOWING CONSTRUCTION . <br /> SYSTEMATIC CONSTRUCTION OF THE PILE SHALL BE REMOVED PRIOR <br /> 1 . 2 REMOVAL TO THE PLACEMENT OF ANY WASTE MATERIAL . <br /> 3 . 2 DISPOSAL OF WASTE <br /> 1 . 2 . 1 TOPSOIL SHALL BE EXCAVATED AND REMOVED IN A MANNER WHICH 2 . 2 . 2 ANY SOFT OR WEAK SOILS WHICH ARE LOCATED IN CRITICAL AREAS <br /> OF THE FOUNDATION AND WHICH COULD , IN THE OPINION OF THE 3 . 2 . 1 THE DISPOSAL OF WASTE SHALL BE INSPECTED BY A QUALIFIED <br /> WILL MINIMIZE CONTAMINATION WITH OTHER SOIL HORIZONS OR INSPECTING ENGINEER , INFLUENCE THE STABILITY NI THE PILE , REGISTERED ENGINEER OR OTHER PERSON APPROVED BY THE <br /> WITH BEDROCK. DIVISION <br /> SHALL BE REMOVED PRIOR TO THE PLACEMENT OF ANY WASTE . <br /> 1 . 2 . 2 SUCH MEASURES AS ARE NECESSARY WILL BE TAKEN TO INSURE MATERIAL . 3 . 2 . 2 THE DISPOSAL INSPECTIONS SHALL OCCUR <br /> THAT THE REMOVAL OF TOPSOIL DOES NOT RESULT IN EROSION WITHIN 7 DAYS AFTER THE SITE PREPARATION . <br /> OR BEGINNING <br /> OR WATER POLLUTION . 2 . 2 . 3 DRAINAGE OF THE CLEARED FOUNDATION SHALL ENSURE THAT STAND- <br /> ING WATER DOES NOT ACCUMULATE AT ANY LOCATION ON THE FOUN- 3 . 2 . <br /> DATION . QUARTERLY INSPECTIONS , THE SITE SHALL BE IN- <br /> 3 IN ADDITION TO <br /> 1 . 3 STORAGE SPECTED DURING THE FOLLOWING CONSTRUCTION PERIODS : <br /> 2 . 2 . 4 SURFACE WATER FROM WITHIN THE FOUNDATION AREA SHALL BE <br /> 1 . 3 . 1 REMOVED TOPSOIL WILL BE STORED AT LOCATIONS INDICATED ON DIRECTED AWAY FROM THE WASTE PILE AT ALL TIMES DURING CON— (A) REMOVAL OF ALL ORGANIC MATERIAL AND TOPSOIL <br /> CONSTRUCTION DRAWINGS . SUCH LOCATIONS SHALL NOT BE DIS— STRUCTION OF THE PILE . ( B ) PLACEMENT OF DR"AINA; E SUMP <br /> TURBED SY MINING OPERATIONS OR CONSTRUCTION ACTIVITIES <br /> AND WILL BE PROTECTED FROM WIND AND WATER EROSION , UN— 2 . 2 . 5 SUBDRAINS SHALL BE INSTALLED AS NEEDED , AS SPECIFIED BY <br /> NECESSARY COMPACTION , AND CONTAMINATION WHICH WOULD LESSEN THE ENGINEER , AND AS SPECIFIED ON THE CONSTRUCTION DRAWINGS . ( C ) INSTALLATION OF SURFACE DRAINAGE SYSTEMS <br /> THE CAPABILITY OF THE MATERIAL TO SUPPORT VEGETATION WHEN <br /> 1 <br /> REDISTRIBUTED . 2 . 2 . 6 THE SLOPE OF THE FOUNDATION IN THE VICINITY OF THE TOE OF (0 ) PLACEMENT AND COMPACTION OF FILL AND EMBANKMENT <br /> ANY FILL OR EMBANKMENT SHALL NOT EXCEED 1 ( V ) : 2 . 8 (H ) (36 PER- <br /> 1 MATERIALS <br /> . 3 . 2 STOCKPILED MATERIAL SHALL BE PROTECTED BY AN EFFECTIVE CENT ) . <br /> COVER OF NON—NOXIOUS , QUICK—GROWING ANNUAL AND PERENNIAL ( E ) REVEGETATION <br /> PLANTS , SEEDED OR PLANTED DURING THE FIRST APPROPRIATE 2 . 2 . 7 SOILS EXPOSED IN THE FOUNDATION EXCAVATION SHALL BE COM— <br /> GROWING SEASON AFTER REMOVAL FOR FAVORABLE PLANTING CON— 3 . 2 . 4 THE ENGINEER INSPECTING THE FILL SHALL PROVIDE THE COLORADO <br /> PACTED PRIOR TO PLACEMENT OF FILL . MINED LAND RECLAMATION DIVISION A CERTIFIED REPORT WITHIN <br /> DITIONS . TWO WEEKS AFTER EACH INSPECTION THAT THE FILL HAS BEEN CON— <br /> STOCKPILED TOPSOIL AND OTHER MATERIALS SHALL NOT BE MOVED 2 . 3 CONSTRUCTION STRUCTED AS SPECIFIED IN THE DESIGN . A COPY OF THE REPORT <br /> UNTIL REQUIRED FOR REDISTRIBUTION ON A REGRADED AREA . SHALL BE RETAINED AT THE MINE . <br /> 2 . 3 . 1 AN OUTER SHELL OF 50— FOOT MINIMUM HORIZONTAL THICKNESS 1 . 3 . 3 THE STORED TOPSOIL SHALL BE CLEARLY MARKED BY A SIGN "TOP— SHALL BE CONSTRUCTED AT ALL OUTER SURFACES OF THE PILE . <br /> SOIL STORAGE". THIS SHALL CONSIST OF MATERIAL FROM THE ROCK TUNNEL WASTE <br /> COMPACTED IN LIFTS NOT EXCEEDING 12 — INCHES IN LOOSE THICK— 4 . 0 RECLAMATION <br /> 1 . 4 REDISTRIBUTION NESS . COAL PROCESSING WASTE SHALL ONLY BE INCORPORATED <br /> INTO THIS SHELL IF THERE IS INSUFFICIENT ROCK TUNNEL WASTE 4 . 1 GENERAL <br /> FOR ITS CONSTRUCTION . <br /> 1 . 4 . 1 AFTER FINAL GRADING AND BEFORE THE REPLACEMENT OF TOPSOIL 4 . 1 . 1 THE PILE CONFIGURATION IS DESIGNED SO THAT NO CHANGES ARE <br /> AND OTHER MATERIALS , REGRADED LAND SHALL BE LOOSENED BY COMPACTED SHELL SHALL HAVE A DRY DENSITY OF AT LEAST 90�,l REQUIRED FOR RECLAMATION . <br /> MECHANICAL MEANS TO A SUFFICIENT DEPTH TO ELIMINATE SLIP OF THE MAXIMUM DRY DENSITY AS DETERMINED BY THE AMERI CAN 4 . 1 . 2 RECLAMATION SHALL INCLUDE REMOVAL OF TEMPORARY DIVERSION <br /> SURFACES , RELIEVE COMPACTION , AND TO PROVIDE FOR ROOT ASSOCIATION OF STATES HIGHWAYS AND TRANSPORTATION OFFICIALS CHANNELS , REMOVAL OF SEDIMENTATION PONDS AND THE RECLAMATION <br /> PENETRATION . (AASHTO ) SPECIFICATION T99- 74 ( "STANDARD PROCTOR'' ) , PILE <br /> OUTSLOPES SHALL NOT EXCEED I (V ) : 2 . 0 (H ) . A 2— FOOT THICK OF THE WASTE PILE . <br /> BLANKET OF SIMILARLY COMPACTED ROCK TUNNEL WASTE SHALL BE 1 . 4 . 2 TOPSOIL AND OTHER MATERIALS SHALL BE REDISTRIBUTED IN A PLACED ON ALL FOUNDATIONS EXCEPT FOR THE <br /> 4 . 2 . RECLAMATION OF WASTE PILE <br /> NEWLY PREPARED FOUNDA + <br /> MANNER THAT : STEEP RIDGE AT THE SOUTH OF THE PILE . <br /> 4 . 2 . 1 WASTE PILE RECLAMATION SHALL CONSIST OF FINAL GRADING , TOP— <br /> (A) ACHIEVES AN APPROXIMATE UNIFORM , STABLE THICKNESS 2 . 3 . 2 ALL WASTE NOT IN THE ROCKFILL SHELL SHALL BE SPREAD IN SOIL PLACEMENT AND REVEGETATION OF THE PERMANENT SLOPE . <br /> CONSISTENT WITH POSTMINING LAND USES , CONTOURS , APPROXIMATELY HORIZONTAL LIFTS NO MORE THAN 24 — INCHES IN <br /> THE SURFACE WATER DRAINAGE SYSTEM AND REQUIREMENTS THICKNESS , AND COMPACTED BY ROUTING THE CONSTRUCTION EQUIP— <br /> REVEGETATION ; 4 . 2 . 2 6 TO 12 INCHES OF TOPSOIL SHALL BE REDISTRIBUTED ON THE PER— <br /> OFMENT UNIFORMLY OVER THE SURFACE OF THE LIFT AFTER THE MATERIAL <br /> HAS DRIED . MANENT SLOPE IN ACCORDANCE WITH SECTION 1 . 4 OF THESE SPECI — <br /> . <br /> (B) PREVENTS EXCESS COMPACTION AND CONTAMINATION OF F I C A T 1 0 N S <br /> TOPSOIL ; 2 . 3 . 3 SURFACE DRAINAGE OF THE PILE SHALL BE MAINTAINED THROUGHOUT 4 . 2 . 3 SEEDING AND PLANTING OF THE PERMANENT SLOPE SHALL BE CONDUCTED <br /> CONSTRUCTION BY GRADING THE SURFACE TO A MINIMUM SLOPE OF DURING THE FIRST NORMAL PERIOD FOR FAVORABLE PLANTING CON— <br /> (C ) MINIMIZES DETERIORATION OF THE BIOLOGICAL , CHEMICAL , 2% AND INSURING THAT NO SURFACE DEPRESSIONS EXIST . DITIONS AFTER THE FINAL PREPARATION OF TOPSOIL . <br /> AND PHYSICAL PROPERTIES OF THE TOPSOIL ; AND <br /> (D) PROTECTS THE TOPSOIL FROM WIND AND WATER EROSION <br /> 2 . 3 . 4 NO WASTE MATERIAL SHALL BE PLACED ON STANDING WATER ,ICE . SNOW OR 4 . 2 . 4 SUITABLE MULCH AND/OR OTHER SOIL STABILIZING PRACTICES SHALL <br /> DURING REDISTRIBUTION AND BEFORE AND AFTER IT IS BE USED PROMPTLY ON ALL REGRADED AND TOPSOILED AREAS TO RE— <br /> SEEDED AND PLANTED. 2 . 3 . 5 NO TRASH , ORGANIC MATERIAL , GARBAGE , ABANDONED MACHINERY , DUCE EROSION AND PROMOTE GERMINATION OF SEEDS . <br /> COMBUSTIBLES OR OTHER NON— ROCK OR NON—COAL MATERIAL SHALL ; <br /> BE DISPOSED OF IN THE WASTE PILE , EXCEPT FOR MINOR AMOUNTS <br /> OF TRASH SUCH AS ROCK BOLTS AND MESH WHICH OCCUR AS A PART <br /> OF THE COAL PROCESSING WASTE OR TROMMEL REJECT . OTHER TRASH <br /> MAY BE DISPOSED OF ONLY IN THE DESIGNATED AREA ADJACENT TO JUV 13 <br /> THE WASTE PILE . <br /> 2 . 4 INSPECTIONSk ', � yfi QF � �€ iii} .'ndlvftl <br /> CO(Lo. �C+ri?. 03 �'i�"_'Teti? F4h`S�JiiTCO; <br /> 2 . 4 . 1 THE WASTE PILE SHALL BE INSPECTED DURING CONSTRUCTION IN AC- <br /> CORDANCE WITH THE SECTION 3 . 0 , INSPECT IONS, OF THESE SPECI — <br /> =:^j •`a: <br /> FICATIONS , BEGINNING WITHIN SEVEN DAYS AFTER THE PREPARATION <br /> OF THE DISPOSAL AREA STARTS . <br /> - ' ~ ��ELIFIGATIONS <br /> GEO-HYDRO CONSULTING, INC. MIC� PrINE1�fT IZESoU12LE5, ItVL. <br /> 9485 WEST COLFAX AVENUE E'SoX 1658 <br /> LAKEWOOD, COLORADO 80215 �2130h1DALE, C�OLORADo <br /> ( 303) 232 - 6324 <br /> DESIGNED BY rJc.S CHECKED BY CaM <br /> DRAWN BY : W 12 APPROVED BY <br /> DRAWING NO. : Ioza-o12 SHEET 95 OF S <br /> DATE _DULY, 19R9 SCALE : AS INo1C•.A7EtD ,, <br />