2000-03-24_REVISION - M1980244

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 3/24/2000
• Doc Name: PHASE IV UNDERGROUND WORKING REMEDIAITON DETAILS
• Media Type: M
• Archive: No

FINAL SOIL LINER FILL
SUBGRADE SURFACE
FINAL SOIL LINER FILL
SUBGRADE SURFACE
STRUCTURAL FILL AS REQUIRED
TO ACHIEVE SOIL LINER FILL
STRUCTURAL FILL AS REQUIRED SUBGRADE ELEVATION
TO ACHIEVE SOIL LINER FILL /--
\ SUBGRADE ELEVATION /SURFICIAL \ /SURFICIAL
SOILS SOILS FINAL SOIL FINAL SOIL
LINER FILL LINER FILL
\ '/7 C � C � SUBGRADE SUBGRADE
O U O nr1 0 0 0 n n n / / SURFACE �\/.' SURFACE
COMPETENT 0 0 0 0 0 0 0 COMPETENT \� 'COMPAC ED COMPACTED7' MI:�110 GCEMENTED ROCKFILL O BEDROCK AS 7' MIN, O CEMENTED ROCKFILLO 0 BEDROCK AS _ �-
APPROVED APPROVED o :a" _;o :o: .;o ;o,. .;o•;o,. ,•o
+ BY ENGINEER O Q a 0 BY ENGINEER o 0 0 o SURFICIAL �;- o •, <i .. o' o' o' " :.' o: -:. U' SURFICIAL
U O O ' on 0 0 0 0,1050 0 0 o. .;a'.�:.;o.o.:.:o .o: .:° • SOILS o . ° 'Q:' ° o' °.' o:' °,"o•. •:°" o; .° .o;-:°
o .o. . o` ' o .�: .:° :� o' •° o ° o; ° 'h : SOILS
a . . ° :o.. . aSELECT�:.:° "-�: °' o; °'o•; ° ' cSELECT; °.'.o 0 ,
• 0.5H 1V MIN. 0.5H 1V MIN. o "`STRUCTURAL°.'o: o.."o .a, , •-• ° 0..... , o
3 MIN. CONCRETE PLUG: 3 MIN. CONCRETE PLUG ° o•, o' COMPETENT o o , o � STRUCTURA�' .:o"
Q ., :. cF�LL.;o':a:. o' 25' 0 0 0'.C;: -O ' FILL ':0 ._.:° .o. .: o.
25 0,.,� .o.: .� :o: . o`.o BEDROCK AS 0t o .o: ..o`o: .°: ':o:
OR LESS o , .,., c• •o o ; o .
' APPROVED 0 0 :.- .0 :., °: .. 0 :.
/ OR LESS o'•;o°,' o'.o� ff BY ENGINEER %. ° ':0
COARSE SHAFT COARSE SHAFT ;o : .,. o . ,. ° ;, o o : •:• o ' •,.. o'•. .: . o ;
BACKFILL COMPACTED BACKFILL COMPACTED :o_ ; ..o • ;o ; ... o ° , •: ,;o : o; .,.
c o o• o , o ; ° o ,
/ TOP LAYER / TOP LAYER o". "o•_
INTACT BEDROCK ,�\ / " INTACT BEDROCK
NOTE: NOTE:
IF DEPTH TO BEDROCK IS S 7 FEET BELOW IF DEPTH TO BEDROCK IS > 7 FEET BELOW
FINAL SOIL LINER FILL SUBGRADE SURFACE FINAL SOIL LINER FILL SUBGRADE SURFACE
Z SHAFT/STOKE IREMiEDIATION DETAIL RC-MC-DIATIONJc NOTES: 2 SHALLOW SHAFT IREMEDIATION DETAIL REMEDIATIONI NOTE:
J NOT TO SCALE 1. ROCK SURFACE WITHIN SHAFT SHALL BE SCALED TO REMOVE LOOSE MATERIAL 9 NOT TO SCALE
1. COMPACT SELECT STRUCTURAL FILL USING METHOD
PRIOR TO CONCRETE PLUG AND CEMENTED ROCKFILL PLACEMENT. SPECIFICATION APPROVED BY THE ENGINEER.
2. CONTRACTOR TO CONSTRUCT 7 FT. MIN. CEMENTED ROCKFILL IN 2. STRUCTURAL FILL MAY BE ALSO USED AS BACKFILL
EITHER COMPETENT BEDROCK OR SURFICIAL SOILS. WHEN PLACED AS COMPACTED FILL.
3. CONTRACTOR TO EXCAVATE 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 CA09)
SEE DETAIL
FINAL SOIL
FINAL SOIL LINER FILL
15' MAX. LINER FILL SUBGRADE
SURFICIAL SOILS SUBGRADE FINAL SOIL LINER SURFACE
SURFACE FILL SUBGRADE SURFACE
GEOGRID CAP
- - - - - - - - - - - - - - - - --
- - - - - - - - - - - SEE DETAIL 5
O - DELIVERY
FLOWABLE FILL 9 - --
BLASTED CROWN PILLAR BOREHOLE FINAL SOIL LINER FILL SUBGRADE
0 SURFACE OR EXISTING GROUND SURFACE
50' WHICHEVER IS LOWER
OR LESS _ _. _ _ _ _ _
C7 LOW
OPEN MINE 0 5' FLOWAB EP FILL
I LSABILITY
LATERAL OR TYP. COARSE SHAFT BACKFILL RECSIVEt)
INCLINE OR STRUCTURAL FILL
DEPENDING ON SLOT SIZE. MAR 2 4 2000
f
PRIOR TO RIcMEDIATION! LOST REMr-EDIATIONI CONFIGURATION --� � 2' TO 3' TYPICAL
3 OPEN LATERAL CREMEDIATION DETAIL 4• PEN MINED SLOT IRLEfn/iCD[ATIOI�O DETAIL
9 NOT TO SCALE 9 NOT TO SCALE
EXISTING GROUND SURFACE OR SOIL LINER FILL SUBGRADE SURFACE - WHICHEVER IS LOWER
IIIIIIIIII!!111111911NIIII1�I81
6" MIN. SELECT STRUCTURAL FILL 19668
SECOND LAYER OF UX17DO HS GEOGRID (INSTALLED Permit#M-1980-244
" APPROXIMATELY PARALLEL TO SLOPE DIRECTION) AmendementNo.B Manh2000
6 MIN. SELECT STRUCTURAL FILL
FIRST LAYER OF UX1700 HS GEOGRID (INSTALLED
APPROXIMATELY TRANSVERSE TO SLOPE DIRECTION)
X ENGINEER'S STAMP NO. REVISION DESCRIPTION �ea"w NOT is wRrm:N DATE BY CHKD AP'VD ' �� ��1e Crpdc & Victor Gold M*aip COr Cm"
COMPACTED FOUNDATION MATERIAL Cro86ort Project
Q T A Joint Venture — AngloGold (Colorado) Corp., Manager
\\11111111NIfff/�
0a 4i
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1.NOTES:CONTRACTOR TO INSTALL DIRECTION OF MAXIMUM STRENGTH FOR THE SECOND LAYER OF UX1700 HS GEOGRID �`��Ost•StEF,� Q P•1�A$C I�/
TRANSVERSE TO THE DIRECTION OF MAXIMUM STRENGTH FOR THE FIRST LAYER OF UX1700 HS GEOGRID. � `' 30 > 0 ��0= WORKNG FOAEMI N ME —8
2. A THIRD GEOGRID LAYER MAY BE ADDED IN AREAS UNDER HIGH NORMAL LOAD. AREAS REQUIRING THIRD GEOGRID ' RB n�Te-a • Q FEB. 2000
WILL BE DETERMINED DURING REMEDIATION. �
•�' �^
c11119013tv JFL ioa No. 993-2099
rrrfll�eff _ T REYMM areeeu, rro.
5 GEOGRID CAP INSTALLATION DETAIL (Tl�I�.) JFL D056
JFL
J NOT TO SCALE �/� �rrFavm
® ISSUED FOR PERMIT 3/22/00 ' ' �'�! � AS SHOWN MG IF" #
QA ISSUED FOR CLIENT REVIEW 2/29/00 RMN JFL E00 UN BLVD. o8�o®0® 0, FAX- MD, � �e Ka• 2099D056