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2009-12-21_REVISION - M1980244 (40)
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2009-12-21_REVISION - M1980244 (40)
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Last modified
6/15/2021 5:52:24 PM
Creation date
12/30/2009 8:53:38 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 IVc Cert. Doc.
From
CC&V
To
DRMS
Type & Sequence
AM9
Media Type
D
Archive
No
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October 2004 -24- 043 -2170 <br />0 <br />• <br />• <br />met specifications. The number of retests was not used to determine the testing frequency. Holes <br />made in the SLF during testing were filled by tamping fine SLF material into the holes. <br />4.2.6.3 Depth verification <br />Ames drilled a total of 142 holes in the compacted SLF to verify that the minimum 12 -inch <br />compacted depth had been achieved. Golder monitored the SLF depth verification tests and <br />documented results. .Depth verification holes were filled with bentonite and water. All of the <br />142 holes drilled into the SLF had compacted depths greater than 12 inches. The testing frequency <br />met the minimum specified testing frequency of two measurements per acre. The Soil Liner depth <br />verification results are presented in Table 14. <br />4.2.7 Drain Cover Fill <br />Golder provided visual monitoring of DCF placement. One Golder monitor and at least two Ames <br />laborers were present monitoring each dozer, unless two dozers were within 50 feet of each other <br />during DCF placement. Golder verified that wrinkles in the geomembrane did not fold over, that <br />PVC grade markers were placed on a maximum 50 -foot by 50 -foot grid and at grade breaks, and that <br />unsuitable material was not ,present in the fill. Golder continuously inspected geomembrane during <br />DCF placement, and marked areas for repair if required. Repair to damaged geomembrane is <br />documented in the geomembrane defect/repair log (Appendix K -7). After fmal grading, Golder <br />monitored removal of PVC grade markers and final grading of the DCF. <br />4.2.8 Surface Water Diversion System <br />Field testing included monitoring of PBM placement and testing of in -place moisture and density <br />with a nuclear gauge. Golder observed PBM placement to verify lift thickness, adequate compaction, <br />acceptable moisture conditions, final compacted thickness, and suitability for pipe placement. Golder <br />performed a total of three (3) in -place moisture - density tests of PBM within the Surface Water <br />Diversion System. Golder compared results of the field moisture content and density tests to the <br />Proctor dry density and optimum moisture content values of material with similar gradation and <br />plasticity characteristics. No moisture - density test frequency was identified in the CQA Plan. <br />Nuclear density tests performed on PBM for the OSA are summarized in Table 16. <br />L , W4W7 6G%Cw n- Qnenrvo-4004a432170.0wa248sctneajVL6x Golder Associates <br />
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