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<br />GCL INSTALLATION SPECIFICATIONS
<br />GENERAL
<br />THIS SPECIFICATION DEFINES THE REQUIREMENTS FOR THE GEOSYNTHETIC CLAY LINER (GCL) MATERIALS, INSTALLATION AND
<br />QUALITY CONTROL ASSOCIATE WITH CRIPPLE CREEK & VICTOR GOLD MINING COMPANY (OWNER) SQUAW GULCH VALLEY LEACH
<br />FACILITY (SGVLF),
<br />ANY ALTERNATIVES OR EXCEPTIONS TO THIS SPECIFICATION SHALL BE SUBMITTED IN WRITING TO THE OWNER OR ITS
<br />DESIGNATED REPRESENTATIVE WITH THE BID. THE ENGINEER MAY MODIFY THESE SPECIFICATIONS BASED ON THE INSTALLATION
<br />RECOMMENDATIONS OF THE APPROVED MANUFACTURER.
<br />GEOSYNTHETIC CLAY LINER (GCL)
<br />THE GCL SHALL CONSIST OF A LAYER OF NATURAL SODIUM BENTONITE CLAY ENCAPSULATED BETWEEN TWO
<br />NON -WOVEN
<br />GEOTEXTILES. THE MATERIAL SHALL BE MANUFACTURED
<br />BY MECHANICALLY BONDING THE GEOTEXTILES
<br />USING
<br />A
<br />NEEDLE -PUNCHING PROCESS TO ENHANCE FRICTIONAL AND
<br />INTERNAL SHEAR STRENGTH CHARACTERISTICS. IN
<br />ORDER
<br />TO
<br />MAINTAIN THESE CHARACTERISTICS, NO GLUES, ADHESIVES
<br />OR OTHER NON-MECHANICAL BONDING PROCESSES
<br />SHALL
<br />BE
<br />USED IN LIEU OF THE NEEDLE -PUNCHING PROCESS. THEIR
<br />USE IN ENHANCING THE PHYSICAL PROPERTIES OF
<br />THE GCL
<br />IS
<br />NOT PERMITTED.
<br />GEOTEXTILES (PRE- PRODUCTION)
<br />STRESS.
<br />-SIDED TEXTURED OR DOUBLE -SIDED TEXTURED) WILL FOLLOW THE
<br />MANUFACTURER'S QUALITY CONTROL (MQC)
<br />THE MANUFACTURER IS RESPONSIBLE FOR ESTABLISHING AND MAINTAINING A QUALITY CONTROL PROGRAM TO ENSURE
<br />COMPLIANCE WITH THE REQUIREMENTS OF THIS SPECIFICATION. DOCUMENTATION DESCRIBING THE QUALITY CONTROL PROGRAM
<br />SHALL BE MADE AVAILABLE UPON REQUEST, TESTING SHALL BE PERFORMED IN ACCORDANCE WITH THE METHODS
<br />REFERENCED IN THIS SPECIFICATION.
<br />THE MANUFACTURER'S QUALITY CONTROL CERTIFICATES SHALL BE SUBMITTED TO THE ENGINEER PRIOR TO, OR WITH, EACH
<br />DELIVERY OF MATERIAL. THE QUALITY CONTROL CERTIFICATES SHALL STATE THAT THE FINISHED MATERIAL MEETS THE
<br />REQUIREMENTS OF THE SPECIFICATION. IN ADDITION, FOR EACH LOT OF MATERIAL UTILIZED IN THE MANUFACTURING OF THE
<br />GCL MATERIAL, THE FOLLOWING SHALL BE SUBMITTED:
<br />• BENTONITE MANUFACTURER CERTIFICATION -BENTONITE MANUFACTURER QUALITY DOCUMENTATION FOR THE PARTICULAR
<br />LOTS OF CLAY USED IN THE PRODUCTION OF THE ROLLS DELIVERED.
<br />• GEOTEXTILE MANUFACTURER CERTIFICAITON-GEOTEXTILE MANUFACTURER QUALITY CONTROL DOCUMENTATION FOR THE
<br />PARTICULAR LOTS OF GEOTEXTILES USED IN THE PRODUCTION OF THE ROLLS DELIVERED.
<br />• GCL MANUFACTURER TRACKING LIST -CROSS-REFERENCING LIST DELINEATING THE CORRESPONDING GEOTEXTILE AND
<br />BENTONITE LOTS FOR THE MATERIALS USED IN THE PRODUCTION OF THE ROLLS DELIVERED.
<br />• MANUFACTURING QUALITY CONTROL DATA -THE MANUFACTURING QUALITY CONTROL TEST DATA INDICATING THE ACTUAL
<br />TEST VALUES OBTAINED WHEN TESTED FOR THE SPECIFIED MATERIAL PROPERTIES.
<br />EITHER MISLABELING OR MISREPRESENTATION OF MATERIALS SHALL BE REASON TO REJECT THOSE PRODUCTS.
<br />SUBMITTALS POST -AWARD
<br />THE MANUFACTURER SHALL FURNISH THE FOLLOWING INFORMATION, IN WRITING, TO THE OWNER PRIOR TO SHIPMENT OF THE
<br />GCL MATERIAL. ALL REFERENCES TO THE GCL MATERIAL ALSO INCLUDES THE LOOSE GRANULATED/POWDERED BENTONITE
<br />REQUIRED FOR SEAMING OF THE GCL.
<br />• SAMPLES OF GCL PROPOSED FOR USE ON THE PROJECT.
<br />• GCL MATERIAL PRODUCT DATA SHEET CONFIRMING TYPICAL/MINIMUM MATERIAL PROPERTY VALUES MEET TECHNICAL
<br />SPECIFICATIONS. THIS INCLUDES THE BENTONITE AND GEOTEXTILE USED TO PRODUCE THE GCL PRODUCT AND THE
<br />BENTONITE TO BE SUPPLIED FOR SEAMING THE GCL PRODUCT.
<br />• REFERENCE LIST INDICATING AT LEAST 1,000,OOOm2 OF NEEDLE -PUNCHED GCL PRODUCT HAS BEEN SUCCESSFULLY
<br />PRODUCED,
<br />• WARRANTIES ON THE SUPPLIED PRODUCTS.
<br />THE MANUFACTURER SHALL FURNISH THE FOLLOWING INFORMATION, IN WRITING, TO THE OWNER UPON SHIPMENT OF THE
<br />GCL MATERIAL:
<br />• COPY OF QUALITY ASSURANCE/QUALITY CONTROL CERTIFICATES ISSUED BY THE MANUFACTURER AND THE THIRD -PARTY
<br />INDEPENDENT QUALITY ASSURANCE TESTER.
<br />• CERTIFICATION THAT THE MATERIAL DELIVERED TO THE PROJECT COMPLIES WITH THESE SPECIFICATIONS.
<br />THE GCL INSTALLER SHALL FURNISH THE FOLLOWING ITEMS, IN WRITING, TO THE OWNER 14 DAYS PRIOR TO COMMENCEMENT
<br />OF INSTALLATION:
<br />• THE INSTALLER'S QUALITY CONTROL MANUAL THAT STATES THE METHODS AND PROCEDURES FOR VERIFYING THE
<br />INSTALLATION HAS BEEN COMPLETED IN ACCORDANCE WITH THE TECHNICAL SPECIFICATIONS AND THE MANUFACTURERS'
<br />RECOMMENDATIONS. IF THERE ARE ANY DISCREPANCIES BETWEEN THE TECHNICAL SPECIFICATIONS AND THE INSTALLER'S
<br />QUALITY CONTROL MANUAL, THE MORE STRINGENT REQUIREMENTS WILL APPLY UNLESS DETERMINED OTHERWISE BY THE
<br />ENGINEER.
<br />• INSTALLATION PLAN FOR THE SEQUENCING OF GCL PANEL PLACEMENT AND COVER.
<br />• WARRANTIES ON THE INSTALLATION OF THE SUPPLIED PRODUCTS.
<br />GCL MATERIAL PROPERTIES
<br />THE MATERIALS SUPPLIED AS GCL SHALL CONFORM TO THE STANDARDS OUTLINED IN THE FOLLOWING TABLE:
<br />PROPERTIES
<br />TEST STANDARD
<br />(QC FREQUENCY)
<br />VALUE
<br />SWELL INDEX, ml/2g (MIN)
<br />ASTM
<br />D5890
<br />(1/50,000 Ib)
<br />Z24
<br />FLUID LOSS, ml (MAX)
<br />ASTM
<br />D5891
<br />(1/50,000 Ib)
<br />S 18
<br />MOISTURE CONTENT, % (MAX)
<br />ASTM
<br />D4643
<br />(1/50,000 Ib)
<br />S 12
<br />GEOTEXTILES (PRE- PRODUCTION)
<br />STRESS.
<br />-SIDED TEXTURED OR DOUBLE -SIDED TEXTURED) WILL FOLLOW THE
<br />TECHNICAL SPECIFICATIONS FOR
<br />THE SGVLF.
<br />CAP NON -WOVEN, oz/yd2 (g/m2)
<br />ASTM
<br />D5261
<br />(1/210,000 ft2)
<br />6 (200)
<br />BOTTOM SCRIM NON -WOVEN, oz/yd2 (g/m2)
<br />ASTM
<br />05261
<br />(1/210,000 ft2)
<br />6 (200)
<br />GCL (AS MANUFACTURED)
<br />BENTONITE MASS/UNIT AREA, Ib/ft2 (kg/m2) (MIN)()
<br />ASTM
<br />D5993
<br />(1/40,000 ft2)
<br />0.75 (3.66)
<br />TENSILE STRENGTH, Ib/in (kN/m) (MI
<br />ASTM
<br />D6768
<br />(1/40,000 ft2)
<br />40 (7)
<br />GRAB STRENGTH, Ib (N) (MI
<br />ASTM
<br />D4632
<br />(1/40,000 ft2)
<br />150 (660)
<br />GRAB ELONGATION, % (3)
<br />ASTM
<br />D4632
<br />(1/40,000 ft2)
<br />100
<br />PEEL STRENGTH (MIN)(2)
<br />ASTM
<br />D4632
<br />(1/40,000 ft2)
<br />15 Ib, (65 N)
<br />ASTM D6496 (1/40,000 ft2)
<br />2.5 Ib/in, (438 N/m)
<br />HYDRAULIC CONDUCTIVITY, m/sec (MAX)(4)
<br />ASTM D5084 (1/week)
<br />5 5x10 -II
<br />INDEX FLUX, m3/m2/sec (MAX)()
<br />ASTM D5887 (1/week)
<br />S 1x10-8
<br />INTERNAL SHEAR STRENGTH, psf (kPa)(5)
<br />ASTM
<br />06243
<br />(periodically)
<br />500 (24)
<br />NOTE(S):
<br />1.
<br />OVEN -DRIED MEASUREMENT EQUATES TO 0.84 Ib/ft2 (4.1 kg/m2) WHEN INDEXED
<br />TO A 12% MOISTURE CONTENT
<br />2.
<br />4 -INCH (100
<br />mm) WIDE SAMPLE, AVERAGE OF 5 SPECIMENS.
<br />THE
<br />3.
<br />MEASURED AT
<br />MAXIMUM PEAK, IN WEAKEST PRINCIPAL DIRECTION, ELONGATION IS
<br />PROVIDED FOR REFERENCE ONLY.
<br />4.
<br />DE -AIRED TAP
<br />WATER AT 5psi (34.5 kPa) MAXIMUM EFFECTIVE CONFINING STRESS
<br />AND 2 psi (13.8 kPa) HEAD.
<br />5.
<br />TYPICAL PEAK
<br />VALUE FOR SPECIMEN HYDRATED FOR 24 HOURS AND SHEARED
<br />UNDER A 200 psf (9.6 kPa) NORMAL
<br />INSTALLATION OF THE 80 -mil
<br />STRESS.
<br />-SIDED TEXTURED OR DOUBLE -SIDED TEXTURED) WILL FOLLOW THE
<br />TECHNICAL SPECIFICATIONS FOR
<br />ACCESSORY BENTONITE SUPPLIED OR USED FOR SEALING SEAMS, PENETRATIONS, OR REPAIRS, SHALL BE THE SAME
<br />GRANULAR BENTONITE AS USED IN THE PRODUCTION OF THE GCL.
<br />THE GCL SHALL BE MANUFACTURED BY MECHANICALLY BONDING THE GEOTEXTILES USING A NEEDLE -PUNCHING PROCESS TO
<br />ENHANCE FRICTIONAL AND INTERNAL SHEAR STRENGTH CHARACTERISTICS. NO GLUES, ADHESIVES OR OTHER NON-MECHANICAL
<br />BONDING PROCESS SHALL BE USED IN LIEU OF THE NEEDLE -PUNCH PROCESS. THE NEEDLE -PUNCHED GCL SHALL BE
<br />THERMALLY LOCKED, THE THERMAL LOCK PROCESS MUST HEAT SET THE NON -WOVEN FIBERS WHERE THEY PROTRUDE FROM
<br />THE SECOND GEOTEXTILE TO MORE PERMANENTLY SECURE THE REINFORCEMENT IN PLACE. OTHER MEANS MAY BE USED TO
<br />LOCK THE FIBERS IN PLACE IF THE PROCESS DEMONSTRATES SIMILAR PERFORMANCE TO THE THERMAL LOCK PROCESS.
<br />PACKAGING, SHIPMENT AND STORAGE
<br />ALL GCL ROLLS SHALL BE PACKAGED IN MOISTURE -TIGHT PLASTIC WRAPPING TO PROTECT THE ROLLS FROM DAMAGE DUE
<br />TO SHIPMENT, WATER, SUNLIGHT, AND CONTAMINANTS. THE PROTECTIVE WRAPPING SHALL BE MAINTAINED DURING PERIODS OF
<br />SHIPMENT AND STORAGE. THE GCL SHALL BE WOUND AROUND A RIGID CORE WHOSE DIAMETER IS SUFFICIENT TO FACILITATE
<br />HANDLING. THE CORES SHALL BE SUFFICIENTLY STRONG TO RESIST COLLAPSE DURING TRANSIT AND HANDLING.
<br />THE MANUFACTURER SHALL LABEL EACH ROLL BOTH ON THE GCL ROLL AND ON THE SURFACE OF THE PLASTIC PROTECTIVE
<br />SLEEVE. LABELS SHALL BE RESISTANT TO FADING AND MOISTURE DEGRADATION TO ENSURE LEGIBILITY AT THE TIME OF THE
<br />INSTALLATION. AT A MINIMUM, THE ROLL LABELS SHALL IDENTIFY THE LENGTH AND WIDTH OF ROLL, TOTAL WEIGHT OF ROLL,
<br />PRODUCT NAME, PRODUCTION LOT NUMBER, AND INDIVIDUAL ROLL NUMBER.
<br />THE SHIPPING AND HANDLING OF THE GCL MATERIAL SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S
<br />RECOMMENDATIONS, EACH ROLL SHALL BE INSPECTED UPON DELIVERY TO THE PROJECT TO DETERMINE IF THE PACKAGING
<br />OR MATERIAL HAS BEEN DAMAGED DURING SHIPMENT. DAMAGE TO THE PACKAGING MATERIAL SHALL BE REPAIRED WITH
<br />WATER-RESISTANT ADHESIVE TAPE TO PREVENT HYDRATION OF THE GCL. DAMAGED ROLLS SHALL BE CLEARLY IDENTIFIED
<br />UPON DISCOVERY. DAMAGE TO ROLLS THAT OCCURRED IN TRANSIT MUST IMMEDIATELY BROUGHT TO THE ATTENTION OF THE
<br />MANUFACTURER/SUPPLIER. LOADING AND UNLOADING OF THE GCL MATERIAL SHALL BE IN ACCORDANCE WITH THE
<br />MANUFACTURER'S RECOMMENDATION,
<br />DURING STORAGE, ROLLS SHALL BE ELEVATED OFF THE GROUND AND ADEQUATELY COVERED TO PROTECT THEM FROM SITE
<br />CONSTRUCTION DAMAGE, PRECIPITATION, CHEMICALS, AND ANY OTHER ENVIRONMENTAL CONDITIONS THAT MAY DAMAGE THE
<br />PROPERTY VALUES OF THE MATERIAL. STORAGE OF THE GCL MATERIALS SHALL BE IN ACCORDANCE WITH THE
<br />MANUFACTURER'S RECOMMENDATIONS AND IS THE RESPONSIBILITY OF THE CONTRACTOR.
<br />INSTALLATION
<br />THE GCL SHALL BE INSTALLED TO THE LIMITS INDICATED ON THE DRAWINGS, IN ACCORDANCE WITH THE MANUFACTURER'S
<br />INSTALLATION GUIDELINES, OR AS DIRECTED BY THE ENGINEER, THE SURFACE UPON WHICH THE GCL MATERIAL WILL BE
<br />INSTALLED SHALL BE INSPECTED BY THE GCL INSTALLATION CONTRACTOR AND ENGINEER TO VERIFY THAT THE SURFACE IS
<br />ACCEPTABLE FOR GCL PLACEMENT.
<br />UPON ACCEPTANCE OF THE SUSGRADE, PARTIES INVOLVED WITH THE INSPECTION SHALL SIGN AN APPROVAL/ACCEPTANCE
<br />NOTIFICATION.
<br />THE SURFACE OF AREAS TO RECEIVE GCL SHALL BE FREE OF ANGULAR PARTICLES OVER 3/4 INCHES IN DIAMETER AND
<br />HARD OBJECTS THAT MAY DAMAGE THE GCL, THE SURFACE SHALL ALSO BE FREE OF ROOTS, STICKS, OR OTHER
<br />DELETERIOUS MATERIAL THAT MAY DAMAGE THE GCL. IF EXCESSIVE COARSE MATERIAL IS EXPOSED AT THE SURFACE, ROCK
<br />REMOVAL BY APPROPRIATE METHODS OR OTHER SURFACE FINISHING AS DIRECTED BY THE ENGINEER WILL BE REQUIRED.
<br />WHERE POSSIBLE, ALL SLOPE PANELS SHOULD BE INSTALLED PARALLEL TO THE MAXIMUM SLOPE. DEPLOYMENT SHALL
<br />PROCEED FROM THE HIGHEST ELEVATION TO THE LOWEST TO FACILITATE DRAINAGE IN THE EVENT OF PRECIPITATION. CARE
<br />SHOULD BE TAKEN TO PREVENT EXCESSIVE DRAGGING OF THE MATERIAL DURING DEPLOYMENT TO PREVENT DAMAGE FROM
<br />THE UNDERLYING SURFACE. A SLIP -SHEET MAY BE USED TO FACILITATE POSITIONING OF THE MATERIAL WHILE ENSURING THE
<br />GCL IS NOT DAMAGED FROM THE UNDERLYING SURFACE.
<br />OVERLAPS SHALL BE A MINIMUM OF 9 INCHES ON THE PANEL EDGES AND 18 INCHES AT THE PANEL ENDS, THE OVERLAPS
<br />SHALL BE FREE FROM "FISH MOUTHS", WRINKLES, OR FOLDS. ALL DIRT, GRAVEL, OR OTHER DEBRIS SHALL BE REMOVED
<br />FROM THE OVERLAP. LOOSE GRANULAR BENTONITE SHOULD BE PLACED BETWEEN THE PANEL OVERLAPS AT A RATE OF 1/4
<br />POUND PER LINEAL FOOT (OR AS RECOMMENDED BY THE MANUFACTURER AND APPROVED BY THE ENGINEER).
<br />DETAIL WORK, DEFINED AS THE SEALING OF THE LINER TO PIPE PENETRATIONS, FOUNDATION WALLS, DRAINAGE STRUCTURES,
<br />OR OTHER APPURTENANCES, SHALL BE PERFORMED AS RECOMMENDED BY THE GCL MANUFACTURER.
<br />REPAIRS
<br />DAMAGED AREAS SHALL BE REPAIRED BY PLACING A PATCH OVER THE DEFECTIVE MATERIAL. THE PATCH MUST OVERLAP THE
<br />DAMAGED AREA A MINIMUM OF 18 INCHES ON ALL EDGES. THE EDGES OF THE PATCH SHALL BE ADHERED TO THE DAMAGED
<br />PANEL IN A SIMILAR MANNER TO THE TREATMENT OVERLAPS. THE MINIMUM WIDTH OF THE POWDERED BENTONITE SEAM
<br />SHALL BE 6 INCHES ON ALL EDGES. IF THE DAMAGED AREA IS POSITIONED ON A SLOPE, THE EDGES OF THE PATCH SHALL
<br />BE ADHERED TO THE REPAIRED LINER WITH AN ADHESIVE TO KEEP THE PATCH IN POSITION DURING COVER PLACEMENT, ALL
<br />PATCHES SHALL BE DOCUMENTED BY THE CONTRACTOR'S QC SUPERVISOR AND BY THE ENGINEER.
<br />GCL COVER (LLDPE)
<br />THE CONTRACTOR SHALL ONLY DEPLOY AS MUCH GCL AS CAN BE COVERED BY THE END OF THE DAY. ONLY THOSE ROLLS
<br />OF GCL THAT CAN BE INSTALLED AND COVERED SHALL BE UNPACKAGED AND PLACED INTO POSITION. THE EXPOSED EDGE
<br />OF THE COVERED GCL SHALL BE PROTECTED WITH WATER-RESISTANT SHEETING UNTIL THE NEXT DAY OF DEPLOYMENT.
<br />PANELS THAT ARE DISPLACED DURING LLDPE PLACEMENT SHALL BE ADJUSTED TO THE CORRECT ORIENTATION AND POSITION.
<br />THE ADJUSTED PANEL SHOULD THEN BE INSPECTED FOR DAMAGE AND REPAIRED IN ACCORDANCE WITH THE SPECIFICATIONS.
<br />CARE SHOULD BE TAKEN TO AVOID DAMAGE TO THE GCL BY MAKING SHARP TURNS OR PIVOTS WITH THE LLDPE PLACEMENT
<br />EQUIPMENT AS WELL AS SUDDEN STARTS AND STOPS. SOILS, IF REQUIRED, MAY BE PLACED ON THE GCL BY PUSHING WITH
<br />A TRACK DOZER OR BY CAREFULLY PLACING IT WITH A LOADER OR BACKHOE. THE USE OF SCRAPERS OR TRUCKS TO
<br />PLACE MATERIAL DIRECTLY ONTO THE GCL IS STRICTLY PROHIBITED. NO HEAVY VEHICLES ARE ALLOWED TO BE DRIVEN
<br />DIRECTLY ON THE GCL UNTIL THE LLDPE AND BASIN DRAINAGE LAYER HAVE BEEN PLACED. WHEN COVERING GCL ON
<br />SLOPED AREAS, COVER SOIL, IF REQUIRED, SHALL BE PAUSED UP-SLOPE TO MINIMIZE TENSION ON THE GCL.
<br />COMPLETION
<br />AT THE COMPLETION OF THE
<br />INSTALLATION,
<br />THE
<br />INSTALLER SHALL PROVIDE A SET OF AS -BUILT DRAWINGS SHOWING THE
<br />ACTUAL GCL PANEL LAYOUT,
<br />SEAMS; AND
<br />THE
<br />LOCATION OF MAJOR REPAIRS INCLUDING REPAIRED SEAMS AND CAPPED
<br />AREAS. THE AS -BUILT PANEL
<br />LAYOUT MUST
<br />BE
<br />SUBMITTED IN HARD COPY AND DIGITAL FORMAT TO THE OWNER AND THE
<br />ENGINEER NOT LATER THAN 30
<br />DAYS AFTER
<br />THE
<br />INSTALLATION WORK HAS BEEN COMPLETED.
<br />80 mil LLDPE INSTALLATION
<br />INSTALLATION OF THE 80 -mil
<br />LLDPE (EITHER SINGLE
<br />-SIDED TEXTURED OR DOUBLE -SIDED TEXTURED) WILL FOLLOW THE
<br />TECHNICAL SPECIFICATIONS FOR
<br />THE SGVLF.
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<br />ENGR CLIENT yN/�. \C��.a�t� _
<br />AT DESCRIPTION _--�CADO PROVIDED BY ISSUED FOR PROJECT
<br />06/18/15 ADD GCL SPECIFICATIONS ALM CRIPPLE CREEK &VICTOR GOLD MINING COMPANYISSUED DATE
<br />cs t j ; ° s SQUAW GULCH VALLEY LEACH FACILITY
<br />�� 06/18/15
<br />DISCLAIMER DRN BY TITLE
<br />AMEC FOSTER WHEELER PRODUCED THE INFORMATION PRESENTED ON CS PROJECT No.
<br />THIS DRAWING THROUGH THE USE OF TECHNICAL INFORMATION AND DSN BY I ECEi ED
<br />PRACTICAL EXPERIENCE SPECIFIC TO ITS EFFORTS. RECEIVING THISmec ALM UNDERDRAIN POND LINER
<br />2NER SYSTEM 74201125N
<br />a
<br />DRAWING DOES NOT GUARANTEE ANY RIGHTS TO SUCH TECHNICAL CHK BY l DIVSIONOr DRAWING No. REV
<br />JUN 242015
<br />ADAPTATION OF THE DATA OR CONTENTS OF THIS DRAWING SHALL BE foster ALM (SHEET 2 Of
<br />INFORMATION AND PRACTICAL EXPERIENCE. ANY ALTERATION OR / DRAWING
<br />AT USER'S SOLE RISK AND WITHOUT ANY LIABILITY OR LEGAL Wheeler APR BY MINING AND SAFETY
<br />ALM
<br />RESPONSIBILITY TO AMEC FOSTER WHEELER. U105 0
<br />
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