|
LI:
<br />w
<br />rc
<br />x
<br />w
<br />J
<br />U
<br />FINAL SOIL LINER FILL
<br />SUBGRADE SURFACE
<br />FINAL SOIL LINER
<br />FILL SUBGRADE SURFACE
<br />.' Lbw tl, r -. Y„ - n ' "'i •A`\ YA 1• `, -' `<� 'f4 ':' `, ..
<br />SU_;p- , r"° ' R` wi- ,'_ F.'=`� ' . .rC, , Il 5 A¢ L ,'; , ' ' . >f:w 4.: ' ; ' , r•' '`y^ ;, ,-- t , i ' , i ; i Y , \^ - F �t• r.. ,' , n l , , r : :., / ` `_ • " r " : i - ' ' t > . :� . ,- � Y ` " . q , ,' )•x- � = : ra : r- ; , a1 - - - ` s e . 4 ° r :' . ` s `1 , r `r,0 ,� � y\,� F 7 -} r d:y 5 ; i ; ' • ' <:, y ' :P � :- : �':v _ "a _ �;`f „ '! . Y.."'- ' , , . K ' - ` =, ' ,'T,y ,:�f !1, >.ti, �` . \; \✓ / \ // \ \ \ \ \/, \ r i / \\ \ i/\ / :'\ \ / / \ \ /i/ : \\ /i / \ \ /i / \ \ \/i i \ iwr \ /`i' / ` ` \ 4,. :.� r \ ' /. i a ' _, S,: ` r . iw y \ ' a F -, \' ' t • ;ti : ',;'j _ ', j<i ` am L \ , - .` . - ,, t i c ., � :t =- = ' - : ' 1' ' r r 2„
<br />/ \ \ /
<br />\ \ % /i \ '\ \ \% i\ • \ \ ' / /i \\ • \< / i \\\`/ / i
<br />. — — — — — — — — — -
<br />—
<br />FINAL SO
<br />IL SURFICIAL
<br />SOILS -FINAL SOIL 1GEOGRID CAP LINER FILL
<br />LINER FILL FINAL SOIL 'STRUCTURAL FILL AS REQUI 15' MAXIMUM SURFACE ``TO ACHIEVE SOIL LINER FILL r SURFACE 70 SUBGRADE LINER
<br />jFl""C N E A TIO . SELECT SURFACE 25' MAXIMUM ' STRUCTURA
<br />FILL O R
<br />Sol
<br />SOILS SURFICIAL
<br />\ SOILS w' COMPETENT - - _
<br />— PLOWABLE FILL
<br />;o BEDROCK AS
<br />/; Off-
<br />���JJJ ,v, v: t - h� „�,; r iv APPROVED j j BOREHOLE
<br />�wv v COMPACTED /vv�� v v + - _ • % BY ENGINEER
<br />J �l O c
<br />7' MINIMUM CEMENTED /� ���' +v' `'' `z %��
<br />/�iv %`'0.5H 1V MINIMUM �'' / ; o
<br />ROCKFILL � /TvG�
<br />BEDROCK
<br />50 MAXIMUM U
<br />ZQ� y COMPETENT 3
<br />° o O o G
<br />CONCRETE BEDROCK AS OpO o LO c BLASTED CROWN PILLAR
<br />_g
<br />c�CL
<br />o-
<br />3' MINIMUM PLUG APPROVED
<br />BY ENGINEER 5' TYP.
<br />OR �� ��
<br />LOW COMPRESSIBILITY
<br />FLOWABLE FILL
<br />� , /COARSE SHAFT
<br />v ^ BACKFILL
<br />//, � /� COMPACTED TOP LAYER
<br />-OPEN MINE
<br />LATERAL
<br />INCLINE OR
<br />, SURFICIAL �G Ups
<br />,Tl'_c, -i•V .e °i -`r' :. . 6 %' �, ~�i G�. ,�' :\ ' - "' SOILS L?
<br />REMEDIATION NOTES:
<br />1. ROCK SURFACE WITHIN SHAFT SHALL BE SCALED TO REMOVE
<br />LOOSE MATERIAL PRIOR TO CONCRETE PLUG AND CEMENTED 25' MAX.
<br />r5_.,,g <, "' }•'
<br />ROCKFILL PLACEMENT. ;, ; J "i, -r �5' POST REMEDIATION CONFIGURATION
<br />PRIOR TO REMEDIATION
<br />2. CONTRACTOR TO CONSTRUCT 7' MINIMUM CEMENTED ROCKFILL
<br />IN EITHER COMPETENT BEDROCK OR SURFICIAL SOILS.
<br />3. CONTRACTOR TO EXCAVATE PREVIOUSLY COLLAPSED ;r '�= ''` `a 14 OPEN LATERAL REMEDIATION DETAIL
<br />SHAFTS /STOPES TO APPROXIMATELY 25' BELOW FINAL SOIL ? '� _
<br />^ "" '< ` INTACT BEDROCK
<br />NTS
<br />LINE FILL SUBGRADE SURFACE. , , , , , ,
<br />4. COMPACTION OF TOP LAYER OF COARSE SHAFT BACKFILL TO
<br />BE METHOD SPECIFICATION APPROVED BY THE ENGINEER.
<br />REMEDIATION NOTES:
<br />1. COMPACT SELECT STRUCTURAL FILL USING METHOD EXISTING GROUND SURFACE OR
<br />SPECIFICATION APPROVED BY THE ENGINEER. SOIL LINER FILL SUBGRADE SURFACE — WHICHEVER IS LOWER
<br />2. SELECT STRUCTURAL FILL MAY BE REPLACED WITH
<br />STRUCTURAL FILL PER THE PROJECT SPECIFICATIONS.
<br />12 SHAFT STOPE REMEDIATION DETAIL 13 SHALLOW SHAFT REMEDIATION DETAIL 6” MINIMUM SELECT STRUCTURAL FILL
<br />NTS — NTS FIRST LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PARALLEL TO SLOPE DIRECTION) 6" MINIMUM SELECT STRUCTURAL FILL
<br />16
<br />70 FINAL SOIL LINER FILL SUBGRADE
<br />_ _ _ _ _ SURFACE OR EXISTING GROUND SURFACE
<br />— - -- WHICHEVER IS LOWER
<br />COARSE SHAFT BACKFILL
<br />OR STRUCTURAL FILL
<br />DEPENDING ON SLOT SIZE
<br />2' TO 3' TYPICAL
<br />(NOT TO EXCEED 4FT.)
<br />OPEN MINED SLOT REMEDIATION DETAIL
<br />NTS
<br />SECOND LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(INSTALLED APPROXIMATELY PERPENDICULAR TO SLOPE DIRECTION)
<br />THIRD LAYER OF UX1700HS OR EQUIVALENT GEOGRID
<br />(II ,STALLED APPROXIMATELY PARALLEL TO SLOPE DIRECTION)
<br />(NOTE 2)
<br />REMEDIATION NOTES:
<br />6" MINIMUM SELECT STRUCTURAL FIU-
<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 />16 GEOGRID CAP INSTALLATION DETAIL TYP.
<br />.270 NTS
<br />� 7 571 Jr
<br />
|