2003-07-11_REVISION - M1980244

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 7/11/2003
• Doc Name: Phase IV PSSA Area Cert Report
• From: DMG
• To: Cripple Creek & Victor Gold
• Type & Sequence: AM8
• Media Type: D
• Archive: No

June 24, 2003 -ii- 003-2203.7
4.2.1 Underground Workings ............................................................... .............................26
• 4.2.1.1 Concrete Plug and Cemented Rockfill ................................ .............................27
4.2.1.2 Geogrid and Select Structural Fill ....................................... .............................27
4.2.2 Underdrains .................................................................................. .............................27
4.2.3 Leak Detection Trench ................................................................ .............................28
4.2.4 Subgrade Prepazation ................................................................... .............................28
4.2.5 Site Grading ................................................................................. .............................28
4.2.6 Soil Liner Fill ............................................................................... .............................28
4.2.6.1 Field Monitoring ................................................................. .............................28
4.2.6.2 Moisture-Density Test Results ............................................ .............................29
4.2.6.3 Depth Verification ............................................................... .............................29
4.2.7 Bedding Fill ................................................................................. .............................29
4.2.7.1 Field Monitoring ................................................................. .............................30
4.2.8 Low Volume Solution Collection Fill ......................................... .............................30
4.2.8.1 Moisture-Density Test Results ............................................ .............................31
4.2.9 Drain Cover Fill ........................................................................... .............................31
4.2.10 Select Drain Cover Fill ................................................................ .............................32
4.2.11 Temperature Monitoring .............................................................. .............................32
5.0 GEOSYNTHETICS CQC SUBMITTALS .......................................... ...........................34
5.1 Geomembrane Installation Personnel Resumes ................................... .............................34
5.2 Geomembrane CQC Documents .......................................................... .............................34
5.2.1 Resin CQC Certificates ................................................................ .............................34
5.2.2 Roll CQC Certificates .................................................................. .............................35
5.2.3 Welding Rod CQC Certificates ................................................... .............................35
5.3 Geotextile CQC Documen[s ................................................................. .............................35
5.4 Geogrid CQC Documents .................................................................... .............................35
6.0 GEOSYNTHETIC CQA TESTING AND MONITORING ............... ...........................36
6.1 PSSA Geomembrane ............................................................................ .............................36
6.1.1 Conformance Testing ................................................................... .............................37
6.1.2 Deployment Monitoring .............................................................. .............................37
6.1.3 Seaming ....................................................................................... .............................39
6.1.3.1 Trial Seam Monitoring ........................................................ .............................39
6.1.3.2 Seaming Observations ......................................................... .............................40
6.1.4 Defect and Repair Observations .................................................. .............................41
6.1.5 Destructive Testing ...................................................................... .............................41
6.1.6 Non-Destructive Testing .............................................................. .............................42
6.2 Underground Workings Geosynthetics ................................................ .............................44
7.0 INTERIM WATER BALANCE ........................................................... ...........................45
8.0 CONCLUSIONS ................................................................................... ...........................46
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