2009-12-21_REVISION - M1980244 ‎(28)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 12/21/2009
• Doc Name: QA Liner Recertification, Monitoring and Test results,
• From: CC&V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

Cripple Creek & Victor Gold Mining Company
Cresson Project
Quality Assurance Monitoring and Test Results ame
Liner Recertification
December 17, 2009
Table of Contents
Listof Tables ............................................................................................................... ............................... iii
Listof Figures ............................................................................................................. ............................... iii
Listof Appendices .......................................................................... ............................... ............................iii
1 INTRODUCTION ....................................................................................................... ..............................1
1.1 Project Description ....................................................................................... ......................... .....1
1.2 Construction Quality Assurance /Quality Control .......................................... ..............................2
1.2.1 CQA Monitoring of Earthworks ................................................... ............................... 2
1.3 Project Coordination ..................................................................................... ..............................3
1.3.1 Daily Construction Summary Reports .......................................... ..............................4
1.3.2 Weekly Construction Summary Reports ...................................... ..............................4
1.3.3 Project Specifications ................................................................... ..............................4
1.4 Certification Boundary .................................................................................. ..............................4
2.0 SUMMARY OF EARTHWORK CONSTRUCTION .................................................. ..............................5
2.1 Subgrade Preparation .................................................................................. ..............................5
2.2 Soil Liner Fill ................................................................................................. ..............................5
2.3 Geomembrane Liner ................................................................................... ............................... 6
2.4 Drain Cover Fill ............................................................................................ ..............................7
3.0 GEOSYNTHETICS INSTALLATION ........................................................................ ..............................8
4.0 EARTHWORK CQA TESTING AND MONITORING ............................................... ..............................9
4.1 Results of Laboratory Soils Testing ............................................................ ............................... 9
4.1.1 Grain Size Distribution ................................................................ .............................10
4 .1.2 Moisture Content ......................................................................... .............................10
4 .1.3 Atterberg Limits ........................................................................... .............................10
4.1.4 Proctor Compaction Tests .......................................................... .............................10
4 .1.5 Permeability Tests ...................................................................... .............................11
4.2 Field Testing and Monitoring ....................................................................... .............................11
4.2.1 Subgrade Preparation ................................................................. .............................11
4 .2.2 Site Grading ................................................................................ .............................11
4 .2.3 Soil Liner Fill ................................................................................ .............................11
4 .2.3.1 Field Monitoring .......................................................... .............................11
4.2.3.2 Moisture - Density Test Results .................................... .............................12
4.2.3.3 Depth Verification ........................................................ .............................12
4 .2.4 Drain Cover Fill ........................................................................... .............................12
4.2.5 Temperature Monitoring .............................................................. .............................13
S: \PROJECTS \1125E CCV CQA \H2 - DESIGN\LINER RECERTIFICATION REPORTIREPORT BODYM MONTIORING AND TEST RESULTS LINER i
RECERTIFICATION.DOC