REMEDIATION NOTES:
<br />1. ROCK SURFACE WITHIN SHAFT SHALL BE SCALED TO REMOVE
<br />LOOSE MATERIAL PRIOR TO CONCRETE PLUG AND CEMENTED
<br />ROCKFILL PLACEMENT.
<br />2. CONTRACTOR TO CONSTRUCT 7' MINIMUM CEMENTED ROCKFILL
<br />IN EITHER COMPETENT BEDROCK OR SURFICIAL SOILS.
<br />3. CONTRACTOR TO EXCAVATE PREVIOUSLY COLLAPSED
<br />SHAFTS /STOPES TO APPROXIMATELY 25' BELOW EXISTING
<br />GROUND.
<br />4. COMPACTION OF TOP LAYER OF COARSE SHAFT BACKFILL TO
<br />BE METHOD SPECIFICATION APPROVED BY THE ENGINEER.
<br />1 SHAFT STOPE REMEDIATION DETAIL
<br />NTS
<br />EXISTING GROUND SURFACE
<br />' . ' 4 -• °`fie l;,, - ,i '4e . \, t2(, � t'•
<br />1 _
<br />:,< +, •?" Z— SURFICIAL
<br />4 ' ' SOILS - --
<br />25' MAXIMUM L4� SELECT
<br />STRUCTURALir
<br />FILL
<br />\yniv�/
<br />COMPETENT
<br />�✓ ";'- • {;; `� BEDROCK AS
<br />v/ APPROVED
<br />BY ENGINEER
<br />4. .' 'INTACT BEDROCK
<br />OR
<br />EXISTING GROUND SURFACE
<br />vet +_�, ',i„• a �� �',',,,. F, j t ^, °MI •' i :',.1 f `t , L
<br />a.A• ., typpi , "•i • °` r + J >.. t; rr . }>, • - 1 ` t a t• X..
<br />t• � W ' •,� $e P� y l °'\ � , li "(^ •,rte �W'Y6,` °', q
<br />< ,
<br />.:ti ;��,'K, �'1,,1`. `r.�-� �� i 0°..t'�'•�.�I �y t�° ���� �i'e ''y s:
<br />' :. ,Oy, `•' •.�.. '`'.'� ] 1 °' =•e`
<br />is-
<br />SELECT ^' „`
<br />25' MAX. ef;: "' .' 0' �'1STRUCTURAL
<br />° ]]] FILL
<br />ir
<br />.mow i1 s - n X
<br />INTACT BEDROCK
<br />REMEDIATION NOTES:
<br />1. COMPACT SELECT STRUCTURAL FILL USING METHOD
<br />SPECIFICATION APPROVED BY THE ENGINEER.
<br />2. SELECT STRUCTURAL FILL MAY BE REPLACED WITH
<br />STRUCTURAL FILL PER THE PROJECT SPECIFICATIONS.
<br />2
<br />. C
<br />SURFICIAL
<br />SOILS
<br />SHAFT REMEDIATION DETAIL
<br />NTS
<br />GROUND SURFACE
<br />COARSE SHAFT BACKFILL
<br />OR STRUCTURAL FILL
<br />DEPENDING ON SLOT SIZE
<br />2' TO 3' TYPICAL
<br />(NOT TO EXCEED 4FT.)
<br />4 OPEN MINED SLOT REMEDIATION DETAIL
<br />— NTs
<br />50' MAXIMUM
<br />15' MAXIMUM
<br />SURFICIAL
<br />SOILS
<br />OPEN MINE
<br />LATERAL OR
<br />INCLINE
<br />GEOGRID CAP EXISTING
<br />SEE DETAIL � GROUND
<br />SURFACE
<br />,I
<br />/
<br />/
<br />BLASTED CROWN PILLAR
<br />1 9
<br />f
<br />5' TYP.
<br />PRIOR TO REMEDIATION POST REMEDIATION CONFIGURATION
<br />FIRST LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PARALLEL TO SLOPE DIRECTION)
<br />SECOND LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PERPENDICULAR TO SLOPE DIRECTION)
<br />•• •.
<br />0S•'•.....••'•••
<br />1` IOn►e� . �1�'
<br />REMEDIATION NOTES:
<br />3 OPEN LATERAL REMEDIATION DETAIL
<br />NTS
<br />EXISTING GROUND SURFACE
<br />6" MINIMUM SELECT STRUCTURAL FILL
<br />6" MINIMUM SELECT STRUCTURAL FILL
<br />COMPACTED FOUNDATION MATERIAL\
<br />1. CONTRACTOR TO INSTALL DIRECTION OF MAXIMUM STRENGTH FOR THE SECOND LAYER OF UX1700HS OR EQUIVALENT HS
<br />GEOGRID TRANSVERSE TO THE DIRECTION OF MAXIMUM STRENGTH FOR THE FIRST LAYER OF UX1700HS GEOGRID.
<br />2. A THIRD GEOGRID LAYER MAY BE ADDED IN AREAS UNDER HIGH NORMAL LOAD. AREAS REQUIRING THIRD GEOGRID WILL
<br />BE DETERMINED DURING REMEDIATION.
<br />3. GEOGRID CAP TO EXTEND MINIMUM 15 FEET BEYOND MINE WORKING LIMIT.
<br />NTS
<br />N DETAIL (TYP.
<br />EXISTING
<br />GROUND
<br />SURFACE
<br />FLOWABLE FILL
<br />DELIVERY
<br />BOREHOLE
<br />LOW COMPRESSIBILITY
<br />FLOWABLE FILL
<br />EXISTING
<br />GROUND SURFACE
<br />SURFICIAL
<br />/I SURFICIA
<br />SOILS
<br />SOILS
<br />l
<br />J
<br />�
<br />7 MINIMUM >_
<br />r
<br />COMPACTED
<br />/
<br />CEMENTED
<br />`
<br />ROCKFILL
<br />0.51-1 1V MINIMUM
<br />COMPETENT
<br />3' MINIMUM
<br />CONCRETE
<br />BEDROCK AS
<br />PLUG
<br />APPROVED
<br />t
<br />ENGINEER
<br />'
<br />COARSE SHAFT
<br />BACKFILL
<br />COMPACTED TOP LAYER
<br />REMEDIATION NOTES:
<br />1. ROCK SURFACE WITHIN SHAFT SHALL BE SCALED TO REMOVE
<br />LOOSE MATERIAL PRIOR TO CONCRETE PLUG AND CEMENTED
<br />ROCKFILL PLACEMENT.
<br />2. CONTRACTOR TO CONSTRUCT 7' MINIMUM CEMENTED ROCKFILL
<br />IN EITHER COMPETENT BEDROCK OR SURFICIAL SOILS.
<br />3. CONTRACTOR TO EXCAVATE PREVIOUSLY COLLAPSED
<br />SHAFTS /STOPES TO APPROXIMATELY 25' BELOW EXISTING
<br />GROUND.
<br />4. COMPACTION OF TOP LAYER OF COARSE SHAFT BACKFILL TO
<br />BE METHOD SPECIFICATION APPROVED BY THE ENGINEER.
<br />1 SHAFT STOPE REMEDIATION DETAIL
<br />NTS
<br />EXISTING GROUND SURFACE
<br />' . ' 4 -• °`fie l;,, - ,i '4e . \, t2(, � t'•
<br />1 _
<br />:,< +, •?" Z— SURFICIAL
<br />4 ' ' SOILS - --
<br />25' MAXIMUM L4� SELECT
<br />STRUCTURALir
<br />FILL
<br />\yniv�/
<br />COMPETENT
<br />�✓ ";'- • {;; `� BEDROCK AS
<br />v/ APPROVED
<br />BY ENGINEER
<br />4. .' 'INTACT BEDROCK
<br />OR
<br />EXISTING GROUND SURFACE
<br />vet +_�, ',i„• a �� �',',,,. F, j t ^, °MI •' i :',.1 f `t , L
<br />a.A• ., typpi , "•i • °` r + J >.. t; rr . }>, • - 1 ` t a t• X..
<br />t• � W ' •,� $e P� y l °'\ � , li "(^ •,rte �W'Y6,` °', q
<br />< ,
<br />.:ti ;��,'K, �'1,,1`. `r.�-� �� i 0°..t'�'•�.�I �y t�° ���� �i'e ''y s:
<br />' :. ,Oy, `•' •.�.. '`'.'� ] 1 °' =•e`
<br />is-
<br />SELECT ^' „`
<br />25' MAX. ef;: "' .' 0' �'1STRUCTURAL
<br />° ]]] FILL
<br />ir
<br />.mow i1 s - n X
<br />INTACT BEDROCK
<br />REMEDIATION NOTES:
<br />1. COMPACT SELECT STRUCTURAL FILL USING METHOD
<br />SPECIFICATION APPROVED BY THE ENGINEER.
<br />2. SELECT STRUCTURAL FILL MAY BE REPLACED WITH
<br />STRUCTURAL FILL PER THE PROJECT SPECIFICATIONS.
<br />2
<br />. C
<br />SURFICIAL
<br />SOILS
<br />SHAFT REMEDIATION DETAIL
<br />NTS
<br />GROUND SURFACE
<br />COARSE SHAFT BACKFILL
<br />OR STRUCTURAL FILL
<br />DEPENDING ON SLOT SIZE
<br />2' TO 3' TYPICAL
<br />(NOT TO EXCEED 4FT.)
<br />4 OPEN MINED SLOT REMEDIATION DETAIL
<br />— NTs
<br />50' MAXIMUM
<br />15' MAXIMUM
<br />SURFICIAL
<br />SOILS
<br />OPEN MINE
<br />LATERAL OR
<br />INCLINE
<br />GEOGRID CAP EXISTING
<br />SEE DETAIL � GROUND
<br />SURFACE
<br />,I
<br />/
<br />/
<br />BLASTED CROWN PILLAR
<br />1 9
<br />f
<br />5' TYP.
<br />PRIOR TO REMEDIATION POST REMEDIATION CONFIGURATION
<br />FIRST LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PARALLEL TO SLOPE DIRECTION)
<br />SECOND LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PERPENDICULAR TO SLOPE DIRECTION)
<br />•• •.
<br />0S•'•.....••'•••
<br />1` IOn►e� . �1�'
<br />REMEDIATION NOTES:
<br />3 OPEN LATERAL REMEDIATION DETAIL
<br />NTS
<br />EXISTING GROUND SURFACE
<br />6" MINIMUM SELECT STRUCTURAL FILL
<br />6" MINIMUM SELECT STRUCTURAL FILL
<br />COMPACTED FOUNDATION MATERIAL\
<br />1. CONTRACTOR TO INSTALL DIRECTION OF MAXIMUM STRENGTH FOR THE SECOND LAYER OF UX1700HS OR EQUIVALENT HS
<br />GEOGRID TRANSVERSE TO THE DIRECTION OF MAXIMUM STRENGTH FOR THE FIRST LAYER OF UX1700HS GEOGRID.
<br />2. A THIRD GEOGRID LAYER MAY BE ADDED IN AREAS UNDER HIGH NORMAL LOAD. AREAS REQUIRING THIRD GEOGRID WILL
<br />BE DETERMINED DURING REMEDIATION.
<br />3. GEOGRID CAP TO EXTEND MINIMUM 15 FEET BEYOND MINE WORKING LIMIT.
<br />NTS
<br />N DETAIL (TYP.
<br />EXISTING
<br />GROUND
<br />SURFACE
<br />FLOWABLE FILL
<br />DELIVERY
<br />BOREHOLE
<br />LOW COMPRESSIBILITY
<br />FLOWABLE FILL
<br />
|