REP37807

• Permit No: M1988112
• IBM Index Class Name: Report
• Doc Date: 5/17/1994
• Doc Name: SAN LUIS PROJECT TAILIGNS DISPOSAL AREA PHASE II RAISE 1 FINAL CONSTRUCTION REPORT
• Media Type: D
• Archive: No

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TABLE OF CONTENTS
' 1.0 INTRODUCTION ......................................... 1
2.0 BACKGROUND INFORMATION .............................. 2
3.0 CONTRACTORS ......................................... 3
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4.0 CONSTRUCTION ......................................... 3
4.1 Earthwork .......................................... 3
' 4.2 Liner ............................................. 5
' S.0 FIELD MODIFICATIONS ................................... 5
5.1 General ............................................ 5
5.2 Extent of Liner Placement ................................ 6
' S.3 Subgrade Preparation ................................... 6
5.4 Fill Materials ........................................ 6
5.4.1 Embankment Raise Fill .............................. 7
' 5.4.2 Liner Cover/Drainage Blanket ......................... 8
5.4.3 Liner Sub-base ................................... 8
5.4.4 Random Fill .................................... 9
' S.5 Liner .............................................10
5.5.1 Phase I to R Liner Tie-In ............................ 10
5.5.2 Pipeline Underliner ................................ 10
' 5.5.3 Conformance Samples ............:::::::::::::::::. 10
5.5.4 Downstream Solution Collection Ditches 10
5.5.5 Liner Upgrade ................................... 11
' S.6 Reporting .......................................... 11
6.0 CONSTRUCTION QUALITY ASSURANCE AND QUALITY CONTROL ..... 12
6.1 General ............................................12
6.2 Earthwork 12
6.2.1 Raise Fill ...................................... 12
' 6.2.2 Liner Cover/Drainage Blanket Material ................:::. 13
6.2.3 Liner Sub-baselClay Liner Component ................ 16
6.2.4 Miscellaneous Fill ................................. 18
6.3 Liner .............................................18
7.0 CONCLUSIONS ..........................................20

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