2001-10-25_REPORT - M1980244

• Permit No: M1980244
• IBM Index Class Name: REPORT
• Doc Date: 10/25/2001
• Doc Name: Final Report QA Oct 2001for "External Pond" Doc 1 of 10
• From: CC&V
• To: DRMS
• Media Type: D
• Archive: No

October 2001 -i- 003-2182.004
TABLE OF CONTENTS
1.0 INTRODUCTION...............................................................................................................1
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 .......................................3
1.3 Project Coordination....................................................................................................4
1.3.1 Daily Construction Summary Reports...............................................
................
1.3.2 Weekly Construction Summary Reports...........................................................5
1.4 Project Specifications ..................................................................................................5
1.5 Record Survey Documentation....................................................................................6
2.0 SUMMARY OF EARTHWORK CONSTRUCTION.......................................................7
2.1 Underground Workings Remediation..........................................................................8
2.2 Site Grading.................................................................................................................8
2.3 Subgrade Preparation...................................................................................................8
2.4 Soil Liner Fill...............................................................................................................9
2.5 Leak Detection Collection Recovery System............................................................10
2.6 Non-Structural Fill Placement...................................................................................10
3.0 GEOSYNTHETICS INSTALLATION............................................................................11
3.1 External Pond Lower Liner........................................................................................11
3.2 Leak Detection System..............................................................................................11
3.3 External Pond Upper Liner........................................................................................12
4.0 EARTHWORK CQA TESTING AND MONITORING..................................................13
4.1 Results of Laboratory Soils Testing...........................................................................13
4.1.1 Grain Size Distribution....................................................................................14
4.1.2 Moisture Content.............................................................................................15
4.1.3 Atterberg Limits ..............................................................................................16
4.1.4 Proctor Compaction Tests...............................................................................16
4.1.5 Permeability Tests ...........................................................................................17
4.2 Field Testing and Monitoring....................................................................................17
4.2.1 Subgrade Preparation.......................................................................................17
4.2.2 Site Grading.....................................................................................................18
4.2.3 Soil Liner Fill...................................................................................................19
4.2.3.1 Field Monitoring....................................................................................19
4.2.3.2 Moisture-Density Test Results..............................................................19
4.2.3.3 Depth Verification.................................................................................20
4.2.4 Temperature Monitoring..................................................................................20
I\00\2182\EXTERNAL POND RMFINAL DOC Golder Associates