2009-12-21_REVISION - M1980244 ‎(43)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 12/21/2009
• Doc Name: QA Liner Recert- App. A, Phase IVa and IVc Certification Documentation
• From: CC&V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

August 2002 -i- 003 -2203
• TABLE OF CONTENTS
1 .0 INTRODUCTION ................................................................................ ............................... l
1.1 Project Description ........................................................................ ..............................1
1.2 Construction Quality Assurance /Quality Control .......................... ..............................2
1.2.1 CQA Monitoring of Earthworks .......................................... ..............................2
1.2.2 CQA/CQC Monitoring of Geosynthetics Installation ......... ..............................4
1.3 Project Coordination ...................................................................... ..............................4
1.3.1 Daily Construction Summary Reports ................................. ..............................5
1.3.2 Weekly Construction Summary Reports ............................. ..............................5
1.4 Project Specifications .................................................................... ..............................5
1.5 Record Survey Documentation ...................................................... ..............................6
1.6 Certification Boundary ................................................................... ..............................7
2.0 SUMMARY OF EARTHWORK CONSTRUCTION ......................... ..............................8
2.1 Underground Workings Remediation ........................................... .............................10
2.1.1 Remediation of Shafts, Stopes, and Shallow Surface Pits .. .............................10
2.1.2 Remediation of Laterals/Incllnes /Adits .............................. .............................11
2.2 Underdrains ................................................................................... .............................13
2.2.1 Primary Underdrain ................................................ ............................... ........13
• 2.2.2 Secondary Underdrain ...................................................... ...............................
2.3 Leak Detection System ................................................................. .............................14
2.4 Site Grading .................................................................................. .............................14
2.5 Subgrade Preparation .................................................................... .............................15
2.6 Soil Liner Fill ................................................................................ .............................15
2.7 Ore Storage Area Composite Liner System .................................. .............................16
2.8 Drain Cover Fill ............................................................................ .............................16
2.9 Surface Water Diversion System .................................................. .............................17
3.0 GEOSYNTHETICS INSTALLATION ............................................... .............................18
3.1 Underdrains ................................................................................... .............................18
3.2 Leak Detection Trench .................................................................. .............................18
3.3 Ore Storage Area .......................................................................... .............................19
3.4 Underground Workings ................................................................ .............................19
4.0 EARTHWORK CQA TESTING AND MONITORING ..................... .............................20
4.1 Results of Laboratory Soils Testing .............................................. .............................20
4.1.1 Grain Size Distribution ....................................................... .............................21
4.1.2 Moisture Content ................................................................ .............................23
4.1.3 Atterberg Limits ................................................................. .............................23
4.1.4 Proctor Compaction Tests .................................................. .............................24
49 4.1.5 Permeability Tests ................................ ............................... .........................24
T;WO W3W4= CatRep080210032203 .04W.04T40mt.&, Golder Associates