2014-01-17_REPORT - M1980244 ‎(3)‎

• 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

Cripple Creek & Victor Gold Mining Company
Phase 5 Slide Repair
Final Report ameO
Quality Assurance Monitoring &Test Results
January 14, 2014
CONTENTS
1.0
INTRODUCTION ................................................................................................ ..............................1
1.1
Project Description ................................................................................ ..............................1
1.2
Construction Quality Assurance /Construction Quality Control .............. ..............................1
1.2.1 CQA Monitoring of Earthworks ................................................. ..............................2
1.2.2 CQA /CQC Monitoring of Geomembrane Installation ............... ..............................2
1.3
Project Coordination .............................................................................. ..............................3
1.3.1 Daily Construction Summary Reports ...................................... ..............................3
1.4
Project Specifications ............................................................................ ..............................3
1.5
Record Survey Documentation ............................................................. ..............................3
1.6
Certification Boundary ........................................................................... ..............................4
2.0
SUMMARY OF EARTHWORK CONSTRUCTION ............................................. ..............................5
2.1
Soil Liner Fill Preparation ...................................................................... ..............................5
2.2
Drain Cover Fill ...................................................................................... ..............................5
3.0
GEOMEMBRANE INSTALLATION .................................................................... ..............................6
3.1
Phase 5 Slide Repair System ................................................................ ..............................6
4.0
EARTHWORK CQA TESTING AND MONITORING .......................................... ..............................7
4.1
Results of Laboratory Soils Testing ....................................................... ..............................7
4.1.1 Grain Size Distribution .............................................................. ..............................7
4.1.2 Moisture Content ...................................................................... ..............................8
4.1.3 Atterberg Limits ........................................................................ ..............................8
4.2
Field Testing and Monitoring ................................................................. ..............................8
4.2.1 Soil Liner Fill Preparation ......................................................... ..............................8
4.2.2 Drain Cover Fill ......................................................................... ..............................8
5.0
GEOSYNTHETICS QUALITY CONTROL SUBMITTALS .................................. ..............................9
5.1
Installation Personnel Resumes ............................................................ ..............................9
5.2
Geosynthetic Quality Control Documents ............................................. ..............................9
5.2.1 Resin Quality Control Certificates ............................................ ..............................9
5.2.2 Roll QC Certificates .................................................................. ..............................9
5.2.3 Welding Rod QC Certificates .................................................. .............................10
6.0
GEOMEMBRANE CQA TESTING AND MONITORING ................................... .............................11
6.1
Geomembrane Conformance Testing ................................................. ..............................1
1
6.2
Deployment Monitoring ......................................................................... .............................12
6.3
Seaming ................................................................................................ .............................13
6.3.1 Trial Seam Monitoring ............................................................. .............................13
6.3.2 Seaming Observations ............................................................ .............................14
6.4
Defect and Repair Observations .......................................................... .............................14
6.5
Destructive Testing ............................................................................... .............................14
6.6
Non - Destructive Testing ....................................................................... .............................15
6.7
Geomembrane Acceptance .................................................................. .............................16
7.0
CONCLUSIONS ................................................................................................ .............................17
FINALCERTIFICATION
................................................................................................. .............................18
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