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2010-11-10_REPORT - M1980244
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2010-11-10_REPORT - M1980244
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Last modified
6/15/2021 5:52:26 PM
Creation date
11/16/2010 8:37:08 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REPORT
Doc Date
11/10/2010
Doc Name
Weekly Construction Quality Assurance ("CQA") Report: Week of 10/17/2010.
From
CC&V
To
DRMS
Type & Sequence
AM9
Email Name
BMK
Media Type
D
Archive
No
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D) Soil Liner Fill <br />amecQ <br />1) VLF <br />Soil liner fill (SLF) placement continued in the areas shown on Figure 2. Subgrade was <br />approved and moisturized prior to placement using a tandem-axel water truck. Placement was <br />performed using various CAT dozers in a one-foot compacted lift. Moisture conditioning of <br />SLF material was performed using a tandem-axel water truck and compaction was achieved <br />using a 10-ton vibratory smooth drum compactor. Nuclear density testing, moisture <br />verification, and depth checks produced results within project specifications. Test locations <br />were surveyed by Ames. <br />E) High Volume Solution Collection System <br />1) High Volume Solution Collection Piping <br />Placement of the high volume collection system continued at the DCF placement area shown <br />on Figures 5a and 5b, advancing in front of the placement. CPeP was placed and sandbagged in <br />accordance with design drawings and project specifications. <br />2) Drain Cover Fill (DCF) <br />Drain cover fill (DCF) placement within the Phase 5 VLF continued. DCF was placed in the <br />area show on Figures 5a and 5b. The DCF was hauled from the processing area to the <br />placement area using CAT 740 haul trucks. The DCF was placed in a 2-foot lift using various <br />CAT dozers except where haul routes were established. Haul route consisted of five-foot lifts <br />to be spread into 2-foot lifts later. Laborers were present at all times during placement holding <br />the high volume collection piping in place, removing debris/sandbags, and assisting the dozer <br />operator with lift thickness. All DCF was placed on previously approved primary <br />geomembrane. AMEC field representatives monitored the DCF placement constantly. <br />3) Ore Placement <br />Loading of the Phase 5 PSSA continued using a CAT D-9 LGP dozer. Twenty feet of cover <br />was then verified, by survey, prior to mine haul trucks crossing over the geomembrane. The <br />toes of the ramp were surveyed ensuring twenty feet of cover, in haul areas, during placement. <br />An AMEC field representative was present during ore placement both day and night shift. <br />II) Storm Water Management <br />A) Best Management Practices <br />Best Management Practices are being observed throughout the VLF Phase 5 Project. <br />III) Material Processing <br />X1 Drain Cover Fill Process Area <br />Drain Cover Fill (DCF) was processed during the week. <br />Location This Week Cumulative Comments <br /> tons (tons) <br />DCF Process 14,403 260,144 <br />Total 14,403 260,144 <br />VLF Weekly Report WE 10.30.10.1)
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