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<br />NOTE: ALL ROAD CONSTRUCTION SHALL COMPLY WITH REQUIREMENTS
<br />GIVEN IN LINCOLN— DEVORE REPORT DATED FEB. 20, 1997,
<br /><, INCLUDING SOIL COMPACTION AND BENCHING OF NATIVE SOILS UNDER FILL SLOPES
<br />TYP. ROAD SECTION
<br />(SECTION TYPE 'A')
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<br />TYP. 1:1 CUT: SLOPE - y
<br />%• " ' CONTRACTOR'S OPTION: `� \
<br />IF CUTTING AGAINST ROCK FACE, CONTRACTOR MAY
<br />rr OPT TO CUT SLOPE AT A 1: 2 (H: V) SLOPE.
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<br />7k TYP. 1.5:1 FILL SLOPE
<br />NOTE: ALL ROAD CONSTRUCTION SHALL COMPLY WITH REQUIREMENTS
<br />GIVEN IN LINCOLN — DEVORE REPORT DATED FEB. 20, 1997.
<br />tint.. INCLUDING SOIL COMPACTION AND BENCHING OF NATIVE SOILS UNDER FILL SLOPES
<br />ROCK FACE CUT,/FILL SECTION
<br />tw (SECTION TYPE 'C')
<br />NTS
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<br />DESIGNED
<br />DRAWN
<br />CHECKED
<br />APPROVED
<br />APPROVED
<br />APPROVED
<br />LOCATIONS OF SPECIFIC
<br />ROAD SECTION TYPES
<br />SECTION TYPE
<br />CONTRACTOR'S OPTION: f
<br />IF CUTTING AGAINST
<br />ROCK FACE, CONTRACTOR MAY /
<br />OPT TO CUT SLOPE AT
<br />A 1:3 (H: V) SLOPE.. IF ROCK
<br />FACE IS BADLY BROKEN OR WEATHERED, SLOPE MUST ✓
<br />BE OVERCUT AND A
<br />DRAINED ROCK BUTTRESS MUST j CONTRACTOR'S OPTION:
<br />BE PLACED
<br />TO REINFORCE THE CUT SLOPE. ✓
<br />TYPE 'B'
<br />✓ i✓ IF FILLING AGAINST ROCK FACE, CONTRACTOR MAY
<br />— 10 +00
<br />✓'� /✓ OPT TO PLACE FILL AT A 1: 1 (H: V) FILL SLOPE, TOE
<br />17 +00
<br />TYP. 1.5:1 FILL SLOPE --+/ %✓ OF SLOPE SHALL BE 15' WIDE, AS SHOWN. IF COBBLY
<br />A MINIMUM FROM TOE OF NEW FILL SLOPE
<br />.✓ SOILS ARE USED FOR FILL MATERIAL, BOTTOM 20' OF
<br />'
<br />EDGE OF EXISTING WEST YARD BENCH CREST SHALL
<br />II I
<br />SLOPE SHALL BE CONSTRUCTED WITH M.R.E., IF ' —115' f—
<br />BE MAINTAINED. CONTRACTOR MUST USE THE 1:1 FILL
<br />COLLUVIAL OR BEDROCK DEBRIS IS USED, FULL HEIGHT
<br />j ' �25' OF SLOPE SHALL BE CONSTRUCTED WITH M.R.E.
<br />SLOOPE PE OPTION SHOWN IF NECESSARY TO MAINTAIN
<br />—�
<br />THIS WIDTH.
<br />MIN.
<br />NOTE: ALL ROAD CONSTRUCTION SHALL COMPLY WITH REQUIREMENTS
<br />GIVEN IN LINCOLN — DEVORE REPORT DATED FEB. 20, 1997,
<br />INCLUDING SOIL COMPACTION AND BENCHING OF NATIVE SOILS UNDER FILL SLOPES
<br />ROCK FACE CUT /FILL SECTION
<br />(SECTION TYPE 'B')
<br />NTS
<br />DESIGNED
<br />DRAWN
<br />CHECKED
<br />APPROVED
<br />APPROVED
<br />APPROVED
<br />LOCATIONS OF SPECIFIC
<br />ROAD SECTION TYPES
<br />SECTION TYPE
<br />MAIN
<br />HAUL
<br />ROAD STATIONS
<br />TYPE 'A'
<br />0 +00
<br />— 3 +00
<br />11 +00
<br />— 16 +00
<br />TYPE 'B'
<br />4 +00
<br />— 10 +00
<br />TYPE 'C'
<br />17 +00
<br />— 34 +00
<br />NOTES
<br />1) SEE LINCOLN— DEVORE REPORT DATED FEB. 20, 1997,
<br />FOR SPECIFIC CONSTRUCTION REQUIREMENTS.
<br />NOTES FOR MECHANICALLY REINFORCED EARTH WALL
<br />* GEOTEXTILE FABRIC TO BE A NON — WOVEN, NEEDLE — PUNCHED, WITH A MINIMUM 12.5 FOOT WIDE STRIP
<br />TENSILE STRENGTH OF 65 LBS. /INCH IN THE WEAKEST DIRECTION.
<br />*ALL GEOTEXTILE FABRIC OVERLAPS SHALL BE A MINIMUM OF 1 FOOT WIDE. ANY EXPOSED
<br />FABRIC TO BE COATED OR PAINTED FOR APPEARANCE AND PROTECTION FROM ULTRAVIOLET RADIATION.
<br />* THE SITE PREPARATION SHALL BEGIN WITH THE REMOVAL OF ALL VEGETATION, ANY EXISTING
<br />MANMADE FILL AND OTHER DELETERIOUS MATERIALS.
<br />*PRIOR TO PLACING THE FIRST LAYER OF FABRIC OR FILL, THE NATIVE SUBGRADE SHALL BE
<br />CAREFULLY OBSERVED BY THE ENGINEER FOR SOFT AREAS, ORGANIC OR ANY OTHER DELETERIOUS
<br />MATERIAL, TO INCLUDE UNAPPROVED MAN —MADE FILL. THE NATIVE SUBGRADE SHALL BE COMPACTED
<br />TO 90% OF MAXIMUM DENSITY, ASTM D -1557, FOR A THICKNESS OF 8 INCHES.
<br />*BOTTOM BACKFILL LIFT TO BE A FREE DRAINING, GRANULAR SOIL OR GRAVEL AND HAVE POSITIVE
<br />OUTLET(S) FOR PROPER DRAINAGE.
<br />*BACKFILL MATERIAL FOR STEPPED OR LAID BACK WALLS {,11 i 'F- A0Er4NG6E7 -4 VfoR- T4GAL- I °HORIZONTAL
<br />OR FLATTER) OVER 4 FEET HIGH TO BE GRANULAR; HAVE A MAXIMUM PARTICLE SIZE OF 6 INCHES;
<br />60% MAXIMUM PASSINtG THE # 200 SIEVE, PLASTIC INDEX LESS THAN 14. GEOTECHNICAL ENGINEER
<br />MAY REQUIRE GEOGRID INSTEAD OF GEOTEXTILE FABRIC, DEPENDING UPON BACKFILL SOILS USED.
<br />* ALL BACKFILL IS TO BE COMPOSED OF EITHER SOILS NATIVE TO THE SITE OR SANDY GRAVEL AND
<br />COBBLES, PREAPPROVED BY LINCOLN— DEVORE, INC.
<br />*BACKFILL GREATER THAN 2 FEET FROM THE FACING MATERIAL TO BE CAREFULLY" COMPACTED TO A
<br />MINIMUM OF 90% OF MAXIMUM DENSITY, ASTM D -1557. COMPACTION NEXT TO THE FACING TO BE A
<br />MINIMUM OF 80% OF MAXIMUM DENSITY, ASTM D -1557 AND VERY CAREFULLY ACCOMPLISHED.
<br />*COMPACTED SOIL LIFTS TO BE NO GREATER THAN 6 INCHES THICK. DENSITY TESTS SHALL BE ACCOMPLISHED
<br />AT THE DISCRETION OF THE ENGINEER.
<br />*FACING MATERIAL TO BE TREATED LUMBER (AS PER UBC REQUIREMENT FOR LUMBER IN CONTACT WITH
<br />EARTH),' TREATED TIMBERS, PRECAST CONCRETE ELEMENTS OR ROCK MASONR`
<br />Classt _. _._.— ._._._. ._._._. _._
<br />Sects ExhiblC' C r �, �/ -d ' J f
<br />`--- � - - °'- - � Cis I i
<br />f Class �visron �
<br />Type /Seq:
<br />Class- D Report O Hydro DGenerdl
<br />Doc Type'. i
<br />PREPARED FOR:
<br />DApplication (Coal only) D Bond El rcement Enfo D Inspection
<br />OXBOW CARBON AND MINERALS, INC. BALAZ & ASSOCIATES, INC.
<br />SANBORN CREEK MINE 203 SUNSET CIRCLE
<br />I HEREBY CERTIFY THAT THIS DRAWING WAS DONE BY PALISADE, COLORADO 81526
<br />ME OR UNDER MY DIRECT SUPERVISION AND ALL (970) 464 -7942
<br />THE INFORMATION PRESENTED ON THIS DRAWING IS TrrLE SCALE AS SHOWN REVISION
<br />TRUE AND CORRECT TO THE BEST OF MY
<br />KNOWLEDGE AND BELIEF. Sp VALxi+Y,HAUL ROAD DRANDJG No.
<br />WILLIAM P. BALAZ JR. DATE ROAD SECTION OXWVF -16 -
<br />COLORADO P. E. 17129 CONSTRUCTION DETAILS
<br />t'
<br />y�
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<br />r,t
<br />4,'7 r9
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<br />Classt _. _._.— ._._._. ._._._. _._
<br />Sects ExhiblC' C r �, �/ -d ' J f
<br />`--- � - - °'- - � Cis I i
<br />f Class �visron �
<br />Type /Seq:
<br />Class- D Report O Hydro DGenerdl
<br />Doc Type'. i
<br />PREPARED FOR:
<br />DApplication (Coal only) D Bond El rcement Enfo D Inspection
<br />OXBOW CARBON AND MINERALS, INC. BALAZ & ASSOCIATES, INC.
<br />SANBORN CREEK MINE 203 SUNSET CIRCLE
<br />I HEREBY CERTIFY THAT THIS DRAWING WAS DONE BY PALISADE, COLORADO 81526
<br />ME OR UNDER MY DIRECT SUPERVISION AND ALL (970) 464 -7942
<br />THE INFORMATION PRESENTED ON THIS DRAWING IS TrrLE SCALE AS SHOWN REVISION
<br />TRUE AND CORRECT TO THE BEST OF MY
<br />KNOWLEDGE AND BELIEF. Sp VALxi+Y,HAUL ROAD DRANDJG No.
<br />WILLIAM P. BALAZ JR. DATE ROAD SECTION OXWVF -16 -
<br />COLORADO P. E. 17129 CONSTRUCTION DETAILS
<br />y�
<br />Classt _. _._.— ._._._. ._._._. _._
<br />Sects ExhiblC' C r �, �/ -d ' J f
<br />`--- � - - °'- - � Cis I i
<br />f Class �visron �
<br />Type /Seq:
<br />Class- D Report O Hydro DGenerdl
<br />Doc Type'. i
<br />PREPARED FOR:
<br />DApplication (Coal only) D Bond El rcement Enfo D Inspection
<br />OXBOW CARBON AND MINERALS, INC. BALAZ & ASSOCIATES, INC.
<br />SANBORN CREEK MINE 203 SUNSET CIRCLE
<br />I HEREBY CERTIFY THAT THIS DRAWING WAS DONE BY PALISADE, COLORADO 81526
<br />ME OR UNDER MY DIRECT SUPERVISION AND ALL (970) 464 -7942
<br />THE INFORMATION PRESENTED ON THIS DRAWING IS TrrLE SCALE AS SHOWN REVISION
<br />TRUE AND CORRECT TO THE BEST OF MY
<br />KNOWLEDGE AND BELIEF. Sp VALxi+Y,HAUL ROAD DRANDJG No.
<br />WILLIAM P. BALAZ JR. DATE ROAD SECTION OXWVF -16 -
<br />COLORADO P. E. 17129 CONSTRUCTION DETAILS
<br />
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