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2016-01-14_REPORT - M1980244 (15)
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2016-01-14_REPORT - M1980244 (15)
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Last modified
8/24/2016 6:14:32 PM
Creation date
1/15/2016 2:27:31 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Report
Doc Date
1/14/2016
Doc Name
Final Report Quality Assurance Monitoring & Test Results
From
Cripple Creek & Victor Gold Mining Company
To
DRMS
Email Name
TC1
ERR
AME
WHE
Media Type
D
Archive
No
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Cripple Creek & Victor Gold Mining Company <br />Squaw Gulch VLF Phase 1 <br />(9,550-foot Elevation Bench to Geomembrane Panel P1635) <br />Final Report <br />Quality Assurance Monitoring & Test Results <br />January 2016 <br />Project No.: 74201125N0 Page 27 <br />geomembrane liner per project technical specifications. The geomembrane liner <br />acceptance notifications are presented in Appendix J.7. <br />Amec Foster Wheeler recorded observations made during seaming. The geomembrane <br />layer and the fusion and extrusion welding met project technical specifications; and a <br />summary is presented in Appendix J.3. <br />6.4 Defect and Repair Observations <br />Amec Foster Wheeler inspected geomembrane panels for damage that may have <br />occurred during manufacture, transport, deployment, or installation as discussed in <br />Section 6.2. Damage noted (during or after deployment) by an Amec Foster Wheeler <br />representative was documented on a defect log. Amec Foster Wheeler observed all <br />panels and seams to verify defects were repaired prior to DCF placement. <br />The summaries of defects and repairs, including the approximate locations of each <br />repair, are presented in Appendix J.4. <br />6.5 Destructive Testing <br />Amec Foster Wheeler selected destructive test locations of fusion and extrusion seams <br />based on ECA’s completion of welding for the geomembrane, various working <br />conditions, and on seaming observations (e.g., suspicion of a defective weld). ECA <br />obtained and tested 361 liner fusion seam destructive samples and 53 extrusion seam <br />destructive samples within the Project boundary. <br />ECA constructed approximately 161,882 lineal feet of geomembrane liner fusion welded <br />seams. The specified minimum frequency of destructive testing was one test per 500 <br />lineal feet of weld. Amec Foster Wheeler identified, and ECA obtained, destructive <br />samples from the panel seams at a frequency of one destructive test sample per 449 <br />lineal feet of fusion welded seam. The actual test frequencies exceeded project <br />requirements. <br />ECA constructed approximately 9,835 lineal feet of geomembrane liner extrusion <br />welded seams. The specified minimum frequency of destructive testing was one test per <br />500 lineal feet of weld. Amec Foster Wheeler identified, and ECA obtained, destructive <br />samples from the panel seams at a frequency of one destructive test sample per 186 <br />lineal feet of extrusion welded seam. The actual test frequencies exceeded project <br />requirements. <br />The summaries of destructive test results for fusion and extrusion seams presented in <br />Appendix J.5. Record Drawing No. 6 presented in Appendix A and show the destructive <br />test sample locations.
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