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1 . 0 TOPSOIL `
<br /> 3 . 0 SEDIMENTATION PONDS
<br /> 1 . 1 GENERAL 3 . 1 GENERAL 4 . 3 . 3 SURFACE DRAINAGE OF THE PILE SHALL BE MAINTAINED THROUGHOUT
<br /> CONSTRUCTION BY GRADING THE SURFACE TO A MINIMUM SLOPE OF 2'>
<br /> 1 . 1 . 1 ALL TOPSOIL SHALL BE REMOVED AND SEGREGATED FROM OTHER MATERIAL AND INSURING THAT NO SURFACE DEPRESSIONS EXIST .
<br /> 3 . 1 . 1 SEDIMENTATION PONDS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE
<br /> AFTER VEGETATION COVER IS CLEARED BUT BEFORE ANY EXCAVATION OR CONSTRUCTION DRAWINGS .
<br /> OTHER SURFACE DISTURBANCE . . 3 .44 NO WASTE MATERIAL SHALL BE PLACED ON STANDING WATER , SNOW , OR 1 . 1 . 2 VEGETATION COVER SHALL BE REMOVED ONLY FROM THOSE AREAS FROM 3 . 2 SITE PREPARATION ICE .
<br /> WHICH IT IS NECESSARY TO REMOVE TOPSOIL . THE AREA OF DISTURBANCE 3 . 2 . 1 ALL VEGETATION , ROOTS AND' STUMPS SHALL BE REMOVED . TOPSOIL SHALL BE 4 . 4 . INSPECTIONS
<br /> SHOULD BE MINIMIZED TO THE EXTENT POSSIBLE . REMOVED FROM THE POND AREA AND STOCKPILED IN ACCORDANCE WITH THE 4 . 4 . 1 THE WASTE PILE SHALL BE INSPECTED DURING CONSTRUCTION IN AC-
<br /> SECTION 1 . 0 TOPSOIL , OF THESE SPECIFICATIONS . TOPSOIL STORAGE SHALL CORDANCE WITH THE SECTION 5 . 0 INSPECTIONS OF THESE SPECIFICATIONS ,
<br /> 1 . 1 . 3 TOPSOIL SHALL BE REMOVED FROM THE AREAS OF THE PROPOSED SEDIMENTATION BE AT THE LOCATION INDICATED ON CONSTRUCTION DRAWINGS . BEGINNING WITHIN SEVEN DAYS AFTER THE PREPARATION OF THE DISPOSAL
<br /> PONDS , ACCESS ROAD AND WASTE DISPOSAL PILE .
<br /> 1 . 2 REMOVAL AREA STARTS .
<br /> 3 . 2 . 2 ANY SOFT OR WEAK SOILS WHICH ARE LOCATED IN CRITICAL AREAS OF THE
<br /> PONDS AND WHICH COULD , IN THE OPINION OF THE INSPECTING ENGINEER ,
<br /> INFLUENCE THE STABILITY OF THE PONDS , SHALL BE REMOVED PRIOR TO
<br /> 1 . 2 . 1 TOPSOIL SHALL BE EXCAVATED AND REMOVED IN A MANNER WHICH WILL CONSTRUCTION .
<br /> MINIMIZE CONTAMINATION WITH OTHER SOIL HORIZONS OR WITH BEDROCK.
<br /> 1 . 2 . 2 SUCH MEASURES AS ARE NECESSARY WILL BE TAKEN TO INSURE THAT THE 3 . 3 CONSTRUCTION 5 . 0 I-NSPECTION �
<br /> REMOVAL OF TOPSOIL DOES NOT RESULT IN EROSION OR WATER POLLUTION . 3 . 3 . 1 EMBANKMENTS SHALL BE CONSTRUCTED FROM FINE-GRAINED ON- SITE COLLUVIAL 5 . 1 SEDIMENTATION PONDS
<br /> 1 . 3 STORAGE
<br /> SOILS. NO ROCKS LARGER THAN 6- INCHES MAXIMUM DIMENSION SHOULD BE IN- {
<br /> CORPORATED INTO THE FILL . NO ROOTS , STUMPS , ORGANIC OR OTHERWISE 5 . 1 . 1 THE SEDIMENTATION PONDS SHALL BE INSPECTED DURING CONSTRUCTION AND
<br /> DELETEREOUS MATERIALS SHALL BE INCORPORATED INTO THE FILLS . CERTIFIED AFTER CONSTRUCTION BY A QUALM ED REGISTERED PROFESSIONAL
<br /> 1 . 3 . 1 REMOVED TOPSOIL WILL BE STORED AT LOCATIONS INDICATED ON CONSTRUCTION DRAWINGS . SUCH LOCATIONS SHALL NOT BE DISTURBED BY MINING OPERATIONS ENGINEER .
<br /> 3 . 3 , 2 FILL SHALL BE PLACED IN HORIZONTAL LAYERS NOT EXCEEDING TWELVE
<br /> OR CONSTRUCTION ACTIVITIES AND WILL BE PROTECTED FROM WIND AND WATER EROSION , UNNECESSARY COMPACTION , AND CONTAMINATION WHICH WOULD LESSEN INCHES IN LOOSE THICKNESS AND COMPACTED BY ROUTING THE CONSTRUCTION 5 . 1 . 2 CERTIFICATION OF THE CONSTRUCTED PONDS SHALL BE FORWARDED TO COLORADO THE CAPABILITY OF THE MATERIAL TO SUPPORT VEGETATION WHEN REDISTRIBUTED . EQUIPMENT UNIFORMLY OVER THE SURFACE OF THE FILL . MINED LAND RECLAMATION DIVISION IMMEDIATELY FOLLOWING CONSTRUCTION .
<br /> 1 . 3 . 2 STOCKPILED MATERIAL SHALL BE PROTECTED BY AN EFFECTIVE COVER OF NON- 3 . 3 . 3 COMPACTED EMBANKMENTS SHALL HAVE A DRY DENSITY OF AT LEAST 95 % OF 5 . 2 DISPOSAL OF WASTE
<br /> THE MAXIMUM DRY DENSITY AS DETERMINED BY THE AMER ICAN ASSOCIATION
<br /> NOXIOUS , QUICK-GROWING ANNUAL AND PERENNIAL PLANTS , SEEDED OR PLANTED OF STATE HIGHWAYS AND TRANSPORTATION OFFICIALS (AASHTO ) SPECIFICATION 5 . 2 . 1 THE DISPOSAL OF WASTE SHALL BE INSPECTED BY A QUALIFIED REGISTERED
<br /> DURING THE FIRST APPROPRIATE GROWING SEASON AFTER REMOVAL FOR FAVOR- T99- 74 ("STANDARD PROCTOR" ) . ENGINEER OR OTHER PERSON APPROVED BY THE DIVISION .
<br /> ABLE PLANTING CONDITIONS.
<br /> STOCKPILED TOPSOIL AND OTHER MATERIALS SHALL NOT BE MOVED UNTIL RE- 3 . 3 . 4 FILL PLACED AROUND PIPES , CULVERTS OR OTHER STRUCTURES INCLUDED WITH- 5 . 2 . 2 THE DISPOSAL INSPECTIONS SHALL OCCUR QUARTERLY , BEGINNING WITHIN
<br /> IN THE EMBANKMENT SHALL MEET THE SAME PLACEMENT AND COMPACTION 7 DAYS AFTER THE SITE PREPARATION .
<br /> QUIRED FOR REDISTRIBUTION ON A REGRADED AREA. CRITERIA AS ALL OTHER FILL .
<br /> 1 . 3 . 3 THE STORED TOPSOIL SHALL BE CLEARLY MARKED BY A SIGN "TOPSOIL STORAGE" . 5 . 2 . 3 IN ADDITION TO QUARTERLY INSPECTIONS , THE SITE SHALL BE INSPECTED
<br /> 3 . 3 . 5 THE DISTRIBUTION OF MATERIALS IN EMBANKMENTS SHALL BE SUCH THAT THERE DURING THE FOLLOWING CONSTRUCTION PERIODS :
<br /> ARE NO LENSES , POCKETS OR STREAKS OF MATERIAL DIFFERING SUBSTANTIALLY
<br /> 1 . 4 REDISTRIBUTION FROM THE SURROUNDING FILL . (A) REMOVAL OF ALL ORGANIC MATERIAL AND TOPSOIL
<br /> 1 . 4 . 1 AFTER FINAL GRADING AND BEFORE THE REPLACEMENT OF TOPSOIL AND OTHER 3 . 3 . 6 FILL SHALL NOT BE PLACED ON FROZEN SURFACES , NOR SHOULD SNOW , ICE , ( B ) PLACEMENT OF MAIN UNDERDRAINAGE SYSTEM
<br /> MATERIALS , REGRADED LAND SHALL BE LOOSENED BY MECHANICAL MEANS TO A OR FROZEN MATERIAL BE INCORPORATED INTO THE FILL .
<br /> SUFFICIENT DEPTH TO Fl. IMINATE SLIP SURFACES , RELIEVE COMPACTION , AND (C ) INSTALLATION OF SURFACE DRAINAGE SYSTEMS
<br /> TO PROVIDE FOR ROOT PENETRATION . 3 . 4 . MAINTENANCE
<br /> 1 . 4 . 2 TOPSOIL AND OTHER MATERIALS SHALL BE REDISTRIBUTED IN A MANNER THAT : ( D) PLACEMENT AND COMPACTION OF FILL AND EMBANKMENT MATERIALS
<br /> 3 . 4 . 1 SEDIMENTATION PONDS SHALL BE ROUTINELY MAINTAINED DURING THE MINING
<br /> OPERATIONS . VEGETATION GROWTH SHALL BE CUT WHERE NECESSARY TO FACILI - ( E ) REVEGETATION
<br /> (A) ACHIEVES AN APPROXIMATE UNIFORM , STABLE THICKNESS FACE WATER DRAINNAGAGEE SYSTEM
<br /> CON- TATE INSPECTIONS AND REPAIRS . DITCHES AND SPILLWAYS SHALL BE CLEANED .SISTENT WITH PO LAND USES , CONTOURS , THE SLUR- 5 . 2 . 4 THE ENGINEER INSPECTING THE FILL SHALL PROVIDE THE COLORADO MINED
<br /> TEM AND REQUIREMENTS OF REV�G-ETATION 3 . 5 INSPECTIONS LAND RECLAMATION DIVISION A CERTIFIED REPORT WITHIN TWO WEEKS
<br /> ; AFTER EACH INSPECTION THAT THE FILL HAS BEEN CONSTRUCTED AS SPECI -
<br /> 3 . 5 . 1 ALL EMBANKMENT FILLS SHALL BE INSPECTED DURING CONSTRUCTION AND FIED IN THE DESIGN . A COPY OF THE REPORT SHALL BE RETAINED AT THE
<br /> ( B ) PREVENTS EXCESS COMPACTION AND CONTAMINATION OF TOPSOIL ; OPERATION IN ACCORDANCE WITH THE SECTION 5 . 0 1NSPECTI DNS , OF THESE MINE .
<br /> ( C ) MINIMIZES DETERIORATION OF THE BIOLOGICAL , CHEMICAL , AND SPECIFICATIONS .
<br /> PHYSICAL PROPERTIES OF THE TOPSOIL ; AND
<br /> (D) PROTECTS THE TOPSOIL FROM WIND AND WATER EROSION DURING 6 . 0 RECLAMATION
<br /> REDISTRIBUTION AND BEFORE AND AFTER IT IS SEEDED AND
<br /> 6 . 1 GENERAL
<br /> PLANTED .
<br /> 6 . 1 . 1 NO DETAILED RECLAMATION PLAN FOR THE WASTE PILE IS PRESENTED AS THE
<br /> 4 . 0 DISPOSAL OF WASTE EXPECTED LIFE SPAN OF THE PILES EXCEEDS THE PERMIT PERIOD .
<br /> 4 . 1 GENERAL 6 . 1 . 2 THE PILE CONFIGURATIONS ARE DESIGNED SO THAT NO CHANGES ARE REQUIRED
<br /> FOR RECLAMATION .
<br /> 4 . 1 . 1 THE WASTE PILE SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE NOTES
<br /> 2 . 0 ACCESS ROAD
<br /> AND DETAILS SPECIFIED ON THE CONSTRUCTION DRAWINGS . 6 . 1 . 3 RECLAMATION SHALL INCLUDE REMOVAL OF TEMPORARY DIVERSION CHANNELS ,
<br /> REMOVAL OF SEDIMENTATION PONDS AND THE RECLAMATION OF THE WASTE PILE .
<br /> 2 . 1 GENERAL 4 . 2 SITE INSPECTION 6. 2 CONTEMPORANEOUS RECLAMATION OF WASTE PILE
<br /> 4 . 2 . 1 ALL ROOTS , STUMPS , VEGETATION OR OTHER ORGANIC MATERIALS WHICH
<br /> AN ACCESS ROAD FOR CONSTRUCTION AND OPERATION OF THE WASTE PILE AND REMAIN AFTER REMOVAL OF TOPSOIL AND WHICH COULD CONTRIBUTE TO 6. 2 . 1 PERMANENT SLOPES OF THE DEVELOPING PILE SHALL BE RECLAIMED AS PERMITTED
<br /> APPURTENANT STRUCTURES SHALL BE CONSTRUCTED AT THE LOCATION SHOWN SPONTANEOUS COMBUSTION OR INTERFERE WITH THE SYSTEMATIC CON- BY CONSTRUCTION . SUCH RECLAMATION SHALL CONSIST OF FINAL GRADING , TOPSOIL
<br /> AND ACCORDING TO THE NOTES AND DETAILS SPECIFIED ON THE CONSTRUCTION STRUCTION OF THE PILE SHALL BE REMOVED PRIOR TO THE PLACEMENT
<br /> DRAWINGS . OF ANY WASTE MATERIAL . PLACEMENT AND REVEGETATION OF THE PERMANENT SLOPE .
<br /> 6 . 2 . 2 12 TOI4 INCHES OF TOPSOIL SHALL BE REDISTRIBUTED ON THE PERMANENT SLOPE
<br /> 2 . 1 . 2 THE CONSTRUCTION , MAINTENANCE , AND POST MINING CONDITION OF THE ACCESS 4 . 2 . 2 ANY SOFT OR WEAK SOILS WHICH ARE LOCATED IN CRITICAL AREAS OF IN ACCORDANCE WITH SECTION 1 . 4 OF THESE SPECIFICATIONS .
<br /> ROAD SHALL INCLUDE ADEQUATE CONTROL OF EROSION , SILTATION , AND POL- THE FOUNDATION AND WHICH COULD , IN THE OPINION OF THE INSPECT-
<br /> LUTION OF WATER . ING ENGINEER , INFLUENCE THE STABILITY OF THE PILE , SHALL BE 6 . 2 . 3 SEEDING AND PLANTING OF THE PERMANENT SLOPE SHALL BE CONDUCTED
<br /> 2 . 2 SITE PREPARATION
<br /> REMOVED PRIOR TO THE PLACEMENT OF ANY WASTE MATERIAL . DURING THE FIRST NORMAL PERIOD FOR FAVORABLE PLANTING CONDITIONS
<br /> AFTER THE FINAL PREPARATION OF TOPSOIL . �` � ��
<br /> 4 . 2 . 3 DRAINAGE OF THE CLEARED FOUNDATION SHALL ENSURE THAT STANDING 2 . 2 . 1 ALL VEGETATION , ROOTS AND STUMPS SHALL BE REMOVED . TOPSOIL SHALL BE WATER DOES NOT ACCUMULATE AT ANY LOCATION ON THE FOUNDATION . 6 . 2 . 4 SUITABLE MULCH AND/OR OTHER SOIL STABILIZING PRACTICES SHALL BE
<br /> REMOVED FROM THE DESIGN ROADBED , SHOULDERS , AND SURFACES WHERE ASSOCI -
<br /> ATED STRUCTURES WILL BE PLACED , AND STOCKPILED , IN ACCORDANCE WITH TPE USED PROMPTLY ON ALL REGRADED AND TOPSO [ LED AREAS TO REDUCE EROSION DEC 1 4 . 2 . 4 SURFACE WATER FROM WITHIN THE FOUNDATION AREA SHALL BE DIRECTED
<br /> SECTION 1 . 0 TOPSOIL , OF THESE SPECIFICATIONS . TOPSOIL STORAGE SHALL EE AND PROMOTE GERMINATION OF SEEDS .
<br /> AWAY FROM THE WASTE PILE AT ALL TIMES DURING CONSTRUCTION OF , MINED W,yU
<br /> AT THE LOCATION INDICATED ON CONSTRUCTION DRAWINGS . THE PILE. 6. 3 VEGETATION REFERENCE AREA. rIECL.AMAT!ONDIVISION
<br /> 2 . 3 CONSTRUCTION 4 . 2 . 5 SUBDRAIN SHALL BE INSTALLED AS NEEDED , AS SPECIFIED BY THE 6. 3. 1 A VEGETATION REFERENCE AREA SHALL BE ESTABLISHED AT THE LOCATION SHOWN ON THE
<br /> 2 . 3 . 1 ROAD FILLS SHALL BE CONSTRUCTED IN HORIZONTAL LAYERS , EACH LAYER Of
<br /> ENGINEER , AND AS SPECIFIED ON THE CONSTRUCTION DRAWINGS . CONSTRUCTION DRAWINGS. THIS REFERENCE AREA SHALL NOT. BE DISTURBED BY CONSTRUC-FILL SHALL BE LEVELLED AND COMPACTED EVENLY BY ROUTING THE HAULING 4 . 2 . 6 THE SLOPE OF THE FOUNDATION IN THE VICINITY OF THE TOE OF ANY TION ACTIVITIES DURING ANY PHASE OF PILE CONSTRUCTION.
<br /> AND LEVELLING EQUIPMENT OVER THE ENTIRE WIDTH OF THE EMBANKMENT UNTIL FILL OR EMBANKMENT SHALL NOT EXCEED 1 (V) : 2 . 8 (H) (36 PERCENT)NO SIGNIFICANT MOVEMENT OF THE EMBANKMENT MATERIAL IS APPARENT .
<br /> 2 . 3 . 2 THE ACCESS ROAD SHALL BE SURFACED WITH A MATERIAL SUFFICIENTLY DURABLE 4 . 2 . 7 SOILS EXPOSED IN THE FOUNDATION EXCAVATION SHALL BE COMPACTED
<br /> FOR THE ANTICIPATED VOLUME , WEIGHT AND SPEED OF ANTICIPATED TRAFFIC PRIOR TO PLACEMENT OF FILL .
<br /> AND WHICH IS NOT ACID- OR TOXIC- FORMING . 4 . 3 CONSTRUCTION
<br /> 2 . 4 MAINTENANCE 4 . 3 . 1 WASTE SHALL BE SPREAD IN APPROXIMATELY HORIZONTAL LAYERS NO PE CIFIIt//' ��-T
<br /> 2 . 4 . 1 THE ACCESS ROAD SHALL BE MAINTAINED SUCH THAT THE DESIGN STANDARDS MORE THAN 24- INCHES IN THICKNESS AND COMPACTED BY ROUTING THE J I O N S
<br /> CONSTRUCTION EQUIPMENT UNIFORMLY OVER THE SURFACE OF THE PILE .
<br /> ARE MET THROUGHOUT ITS LIFE .
<br /> 4 . 3 . 2 COMPACTED WASTE SHALL HAVE A DRY DENSITY OF AT LEAST 90Y OF GOLDER ASSOCIATES
<br /> THE MAXIMUM DRY DENSITY AS DETERMINED BY THE AMERICAN ASSOCIATION MID-(QNTiNENT12E�uP1 , WL I OF STATES HIGHWAYS AND TRANSPORATION OFFICIALS (AASHTO ) SPECI - 17301 WEST COLFAX AVE., SUITE 275 {✓c
<br /> FICATION T99-74 ("STANDARD PROCTOR). FINE WASTE MATERIAL IN EXCESS OF GOLDEN. COLORADO 8040 )
<br /> THE PERCENTAGES ASSUMED IN DEVELOPING SHEAR STRENGTH PARAMETERS FOR (303) 278-8662 C�e1�ntUc�t�, Co��e%Go
<br /> THE WASTE MATERIAL SHALL NOT BE INCORPORATED INTO THE OUTER 200 FEET
<br /> OF THE PILE OUTSLOPE. DESIGNED BY - NL!:� CHECKED BY CaM
<br /> DRAWN BY ✓_-Az APPROVED BY .
<br /> DRAWING NO. , ICZS-ol3 SHEET q OF q
<br /> DATE wn o .ar-.e Ee 198a SCALE NONE
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