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2019-08-23_REVISION - M1980244 (5)
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2019-08-23_REVISION - M1980244 (5)
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Last modified
12/27/2024 12:24:35 PM
Creation date
8/26/2019 1:01:20 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Revision
Doc Date
8/23/2019
Doc Name
Adequacy Review Response #3
From
CC&V
To
DRMS
Type & Sequence
TR117
Email Name
TC1
Media Type
D
Archive
No
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Cripple Creek&Victor Gold Mining Company <br /> Squaw Gulch VLF Phase 2A Part 1 ■ <br /> Record of Construction Report <br /> 475.0106.032 <br /> August 21,2019 <br /> the cemented rockfill; however, the CQA Monitor verified that all batch tickets adhered to the <br /> approved mix design. <br /> 3.4. Geosynthetics Quality Control Submittals <br /> The CQA Monitor reviewed and approved all geosynthetic QC submittals, including <br /> geomembrane installation personnel resumes,geomembrane roll QC certificates,geomembrane <br /> resin QC certificates, welding rod QC certificates, geotextile QC certificates, and geogrid QC <br /> certificates. The CQA Monitor tracked all geomembrane delivered to site in the site inventory. <br /> The site inventory, for all geomembrane used within the Phase 2A Part 1 area, is presented in <br /> Appendix J.1. <br /> 3.4.1. Geomembrane Installation Personnel Resumes <br /> Tetra Tech submitted the resumes of all installation personnel prior to construction or <br /> repair activities within the Squaw Gulch VLF Phase 2A Part 1 area. The CQA Monitor <br /> verified that the Installation Superintendent, Master Seamer and QC Inspector possessed <br /> the installation experience required by the project Technical Specifications. <br /> Geomembrane installation personnel resumes for all crews that performed work on the <br /> Squaw Gulch VLF Phase 2A Part 1 area are presented in Appendix J.2. <br /> 3.4.2. Geomembrane Roll QC Certificates <br /> The Squaw Gulch VLF Phase 2A Part 1 geomembrane was manufactured by AGRU <br /> America. Manufacturing Roll QC certificates were submitted for every roll of <br /> geomembrane (approximately one every 9,000 square feet), exceeding the required <br /> minimum frequency of one per 50,000 square feet of geomembrane. The roll QC <br /> certificates were reviewed by the CQA Monitor, ensuring all geomembrane materials met <br /> or exceeded the project Technical Specifications. The roll QC certificates for all <br /> geomembrane used within the Phase 2A Part 1 area are presented in Appendix J.3. <br /> Geomembrane roll QC Certificates were provided for all 40 mil and 80 mil rolls installed <br /> within Phase 2A Part 1. <br /> 3.4.3. Geomembrane Resin QC Certificates <br /> AGRU America manufactured the geomembrane for the Squaw Gulch Phase 2A Part 1 VLF <br /> by using LLDPE polymer raw material (resin). Chevron Phillips Chemical Company <br /> provided resin QC certificates at a rate of one per rail car shipment. The resin QC <br /> certificates were reviewed by the CQA Monitor, ensuring all materials met or exceeded <br /> the project Technical Specifications. It is important to note that the Oven-Aging, UV- <br /> Aging, 2% Secant and Multi-Axial Tensile testing is considered formulation testing and is <br /> P:\Projects\0106.032 VLF2 Phase 2 CQA\1-REPORTS\Cert Report-Phase 2A Part 1\DRMS Comments\475.0106.032 CCV PHASE 2A Part 1 <br /> ROC REPORT_Revl.docx <br /> Page 13 <br />
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