2000-03-24_REVISION - M1980244 (6)

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FINAL SOIL LINER FILL SUBGRADE SURFACE— STRUCTURAL FILL AS REQUIRED —\ TO ACHIEVE SOIL LINER FILL /-- —� \ SUBGRADE ELEVATION /SURFICIAL \ SOILS , INCOMPETENT ',COMPACTED, :' ' 1. 7' MIN. \ CEMENTEp ROCKFILL BEDROCK AS 7' MIN. APPROVED BY ENGINEER 3' MIN. 50' OR LESS CONCRETE PLUG 0.5H : 1V MIN. COMPACTED TOP LAYER NOTE: IF DEPTH TO BEDROCK IS S 7 FEET BELOW FINAL SOIL LINER FILL SUBGRADE SURFACE SHAFT /STOPE REFAAEDIATION DETAIL 15' MAX. SURFICIAL SOILS NOT TO SCALE FINAL SOIL LINER FILL SUBGRADE SURFACE OPEN MINE LATERAL OR INCLINE 3' MIN. FINAL SOIL LINER FILL SUBGRADE SURFACE— STRUCTURAL FILL AS REQUIRED TO ACHIEVE SOIL LINER FILL SUBGRADE ELEVATION /SURFICIAL SOILS /COMPETENT / BEDROCK AS APPROVED R BY ENGINEER 0.5H : 1V MIN. BACKFILL `— COMPACTED TOP LAYER NOTE: IF DEPTH TO BEDROCK IS > 7 FEET BELOW FINAL SOIL LINER FILL SUBGRADE SURFACE REMEDIATIOM MOTES: 1. ROCK SURFACE WITHIN SHAFT SHALL BE SCALED TO REMOVE LOOSE MATERIAL PRIOR TO CONCRETE PLUG AND CEMENTED ROCKFILL PLACEMENT. 2. CONTRACTOR TO CONSTRUCT 7 FT. MIN. CEMENTED ROCKALL IN EITHER COMPETENT BEDROCK OR SURFICIAL SOILS. 3. CONTRACTOR TO EXCAVATE PREVIOUSLY COLLAPSED SHAFTS /STOPES TO APPROXIMATELY 25' BELOW FINAL SOIL LINE FILL SUBGRADE SURFACE. 4. COMPACTION OF TOP LAYER OF COARSE SHAFT BACKFILL TO BE METHOD SPECIFICATION APPROVED BY THE ENGINEER. - GEOGRID CAP SEE DETAIL e 30 FINAL SOIL LINER FILL SUBGRADE SURFACE BLASTED CROWN PILLAR FINAL SOIL LINER FILL SUBGRADE SURFACE FLOWABLE FILL DELIVERY BOREHOLE I LOW COMPRESSABILITY 5' FLOWABLE FILL TYP. PRIOR TO REMED1ATIOM POST REMEDIATIOM CONFIGURATION I63-7 OPEN LATERAL REMEDIATION DETAIL NOT TO SCALE EXISTING GROUND SURFACE OR SLF SUBGRADE SURFACE — WHICHEVER IS LOWER 6" MIN. SELECT STRUCTURAL FILL SECOND LAYER OF UX1700 HS GEOGRID (INSTALLED APPROXIMATELY PARALLEL TO SLOPE DIRECTION) 6" MIN. SELECT STRUCTURAL FILL FIRST LAYER OF UX1700 HS GEOGRID (INSTALLED APPROXIMATELY TRANSVERSE TO SLOPE DIRECTION) COMPACTED FOUNDATION MATERIAL NOTES: 1. CONTRACTOR TO INSTALL DIRECTION OF MAXIMUM STRENGTH FOR THE SECOND LAYER OF UX1700 HIS GEOGRID TRANSVERSE TO THE DIRECTION OF MAXIMUM STRENGTH FOR THE FIRST LAYER OF UX1700 HS GEOGRID. 2. A THIRD GEOGRID LAYER MAY BE ADDED IN AREAS UNDER HIGH NORMAL LOAD. AREAS REQUIRING THIRD GEOGRID WILL BE DETERMINED DURING REMEDIATION. 5 GEOGRID CAP INSTALLATION DETAIL (TYP. 30 NOT TO SCALE ENGINEER'S STAMP 25' OR LESS 2 30 INTACT BEDROCK r 25 L� OR LESS SHALLOW SHAFT REFAEDIATION DETAIL NOT TO SCALE RELAAEDIATIOM MOTE: 1. COMPACT SELECT STRUCTURAL FILL USING METHOD SPECIFICATION APPROVED BY THE ENGINEER. 2. STRUCTURAL FILL MAY BE ALSO USED AS BACKFILL WHEN PLACED AS COMPACTED FILL. GEOGRID CAP 5 SEE DETAIL 30 FINAL SOIL LINER FILL SUBGRADE SURFACE OR EXISTING GROUND SURFACE WHICHEVER IS LOWER COARSE SHAFT BACKFILL OR STRUCTURAL FILL DEPENDING ON SLOT SIZE. —� I-a— 2' TO 3' TYPICAL OPEN PAINED SLOT REMEDIATIOC -I DETAIL NOT TO SCALE �ttl�� /, r1 ILJCI Pennit # M- 1980 -244 Amendement No. 8 March 21, 2000 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 19533 NO. REVISION DESCRIPTION Tm DRAWING Is NOT APPR0v9D DATE I BY CHKD AP'VD UNLESS LAST REVISION IS HAND WRrr= CC Cripple Crack & Victor Cold [.Stgag Company &NT Crcecon Project QA Joint Venture — AngloGold (Colorado) Corp., Manager Q'l7TIF PHASE IV 0 UFDERMUM3 WORKU3 REUEDYM74 DETALS DRAWN RB DATE FEB. 2000 Q CRECKED JFL r08 No. 993 -2099 EURTED D[GRAL Na. D027 QAPPROVED JFL ® ISSUED FOR PERMIT 3/22/00 %f% C1� t7 J �Li� acAIE AS SHOWN Dsc REv r QA ISSUED FOR CLIENT REVIEW 2/29/00 RMN JMJ JFL 200 UNIOx BLVD. , Si11TE so0, LAn OOD, COLORADO 80228 PDa No. 2099D027 .30 PHONE: 30S 950 -0540 FAX: 303 986 -2080