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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 -43- 003 -2203 <br />vacuum of not less than 5 psi_ Poly -Flex and Golder observed the action of the vacuum on the <br />• seam for a minimum of ten seconds. Each consecutively tested seam length was overlapped a <br />minimum of 3 inches. If soap bubbles appeared, Golder marked and documented the leak <br />location. Poly -Flex then repaired the leak and vacuum tested the repair. This procedure was <br />also followed to test extrusion repairs and extrusion patches. <br />The seam non - destructive test summaries (fusion pressure tests and extrusion vacuum tests) are <br />presented in Appendix K -9. <br />6.2 Leak Detection Trench and Underdrain Geosynthetics <br />Conformance testing for 40 -mil smooth LLDPE geomembrane used to construct the LDTs is <br />presented in Appendix L -1. <br />Geomembrane in the LDTs was extrusion welded. Golder monitored trial seams, as described <br />10 in Section 6.1.3.1. Geotextile in LDTs and Underdrains was placed with a minimum overlap of <br />1 foot. <br />Conformance testing for the 40 -mil LLDPE used for Phase IVa construction met specifications. <br />6.3 Underground Workings Geosynthetics <br />Conformance testing results performed on geogrid used in the remediation of the underground <br />workings are presented in Appendix M. Golder monitored geogrid installation, including <br />construction of proper connections. <br />Conformance testing for geogrid used for Phase IVa construction met specifications. <br />• <br />I:VM2G%04OMaUU 0400.04740W -dog Golder Associates <br />
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