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2014-01-17_REPORT - M1980244 (3)
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2014-01-17_REPORT - M1980244 (3)
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Last modified
8/24/2016 5:39:03 PM
Creation date
1/24/2014 9:23:54 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REPORT
Doc Date
1/17/2014
Doc Name
Final Report - Quality Assurance Monitoring & Test Results Phase 5 Slide Repair
From
Cripple Creek & Victor Gold Mining Company
To
DRMS
Email Name
TC1
Media Type
D
Archive
No
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Cripple Creek & Victor Gold Mining Company <br />Phase 5 Slide Repair <br />Final Report ameO <br />Quality Assurance Monitoring &Test Results <br />January 14, 2014 <br />6.0 GEOMEMBRANE CQA TESTING AND MONITORING <br />The following sections describe the CQA activities performed by AMEC for the <br />geomembrane installed during the Phase 5 Slide Repair. <br />In accordance with the AMEC Geosynthetics CQA Plan (Section 1400.2 of the <br />Technical Specifications in Appendix E), when an AMEC monitor observed <br />deficiencies, the monitor determined the nature and extent of the problem and notified <br />ECA and /or CC &V. When unsatisfactory test results identified a deficiency, AMEC <br />performed additional tests to define the extent of the deficient area. ECA corrected <br />deficiencies to meet the requirements of the specifications, and AMEC re- tested and <br />approved the corrected deficiency prior to any additional related work. <br />CQA activities conducted by AMEC during the installation of the LLDPE geomembrane <br />in the Phase 5 Slide Repair consisted of the following: <br />• Conformance sampling and testing of the geomembrane <br />• Observation and approval of the SLF (subgrade) prior to geomembrane placement <br />• Observation and documentation of geomembrane deployment, including verifying <br />sheet thickness and overlap, and documenting panel layout <br />• Observation of trial seam sample testing and documentation of results <br />• Observation and documentation of field seaming <br />• Identification of destructive seam sample test locations, observation of destructive <br />seam sample testing, and documentation of test results <br />• Observation and documentation of geomembrane repairs <br />• Observation and documentation of non - destructive pressure testing of fusion <br />seams and vacuum box testing of extrusion seams and repairs <br />The following sections present a detailed description of each of the above activities. <br />6.1 Geomembrane Conformance Testing <br />Geomembrane manufactured by Agru America was installed for the Phase 5 Slide <br />Repair. A TRI /Environmental (TRI) (AMEC subcontractor) representative performed <br />geomembrane conformance sampling at the Agru plant in Georgetown, South <br />Carolina. Samples were sent to TRI's geosynthetic laboratory for conformance testing. <br />Geomembrane rolls were not used on the project unless approved by AMEC based on <br />conformance test results. <br />Prior to the 80 -mil double -sided textured geomembrane arrival to site, TRI performed <br />one conformance test on the double -sided textured geomembrane, at a frequency of <br />one test per 106,260 square feet. The minimum specified testing frequency of one test <br />sAprojects \1568 cc &v - ph v slide repair cqa \11.0 certification report\cc &v roc report.docx 11 <br />
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