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2009-12-21_REVISION - M1980244 (43)
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2009-12-21_REVISION - M1980244 (43)
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Entry Properties
Last modified
6/15/2021 5:52:24 PM
Creation date
12/30/2009 8:52:46 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
12/21/2009
Doc Name
QA Liner Recert- App. A, Phase IVa and IVc Certification Documentation
From
CC&V
To
DRMS
Type & Sequence
AM9
Media Type
D
Archive
No
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August 2002 -28- 003 -2203 <br />slope reduction, Golder verified that Ames scarified in -situ materials prior to fill placement. <br />Golder verified that Ames made a minimum of four passes with the smooth drum vibratory <br />compactor. <br />4.2.6 Soil Liner Fill <br />Field testing included monitoring of placement and preparation of SLF for geomembrane <br />deployment, testing in -place moisture and density with a nuclear gauge, and monitoring depth <br />verification. <br />4.2.6.1 Field Monitoring <br />Golder observed SLF placement to verify lift thickness, adequate compaction, acceptable <br />moisture conditions, final compacted thickness, and suitability for geomembrane deployment. <br />Golder identified angular particles on the fill surface, ruts, and desiccation cracks, and brought <br />these features to the attention of Ames for repair. Ames laborers placed fines from screened <br />Portland tailing below Pad No. 3 over rough or granular areas of the fill surface, as discussed in <br />Section 2.6. Golder and Poly -Flex approved the fmal surface of the SLF prior to geomembrane <br />deployment. <br />4.2.6.2 Moisture - Density Test Results <br />Golder performed a total of 120 in -place moisture - density tests of SLF. Golder compared <br />results of the field moisture content and density tests to the Proctor dry density and optimum <br />moisture content values of material with similar gradation and plasticity characteristics. Proctor <br />dry density and optimum moisture content values for samples with greater than ten percent plus <br />three- quarter -inch material were corrected according to ASTM D4718 to facilitate direct <br />comparison to nuclear density values. The moisture- density testing frequency of approximately <br />one test per 441 cubic yards exceeded the minimum specified testing frequency of one test per <br />0 ' 500 cubic yards. Nuclear density tests performed for the OSA are summarized in Table 13. A <br />1- \MM 03�0400 enRe Ogff00322M.0400. Golder Associates <br />
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