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4.3.2 General Fill Placement............................................................................................4-4 <br /> 4.3.3 Placement of Subgrade Preparation Layer Soil.......................................................4-4 <br /> 4.3.4 Trenching and Roadways........................................................................................4-5 <br /> 4.3.5 Vegetative Soil Layer...............................................................................................4-5 <br /> 4.4 Riprap...................................................................................................................................4-5 <br /> 4.4.1 Delivery, Storage, and Handling..............................................................................4-6 <br /> 4.4.2 Material Properties...................................................................................................4-6 <br /> 4.4.3 Geocomposite Cushion ...........................................................................................4-6 <br /> 4.4.4 Riprap Placement....................................................................................................4-6 <br /> 5.0 Construction Quality Assurance for Geosynthetics and HDPE Piping.............................................5-1 <br /> 5.1 Geocomposite Drain Material ...............................................................................................5-1 <br /> 5.1.1 Delivery....................................................................................................................5-1 <br /> 5.1.2 Conformance Testing ..............................................................................................5-1 <br /> 5.1.3 Installation................................................................................................................5-2 <br /> 5.1.4 Deficiencies .............................................................................................................5-3 <br /> 5.2 Geomembrane Quality Assurance........................................................................................5-3 <br /> 5.2.1 Delivery....................................................................................................................5-3 <br /> 5.2.2 Conformance Testing ..............................................................................................5-4 <br /> 5.2.3 Review of Installer's Geomembrane Panel Drawings..............................................5-4 <br /> 5.2.4 Geomembrane Subgrade Preparation.....................................................................5-5 <br /> 5.2.5 Panel Layout As-Built..............................................................................................5-5 <br /> 5.2.6 Panel Placement Documentation..........................................................................:..5-5 <br /> 5.2.7 Trial Welds...............................................................................................................5-6 <br /> 5.2.8 Production Welds.....................................................................................................5-7 <br /> 5.2.9 Non Destructive Seam Testing................................................................................5-8 <br /> 5.2.10 Destructive Seam Sampling and Field Testing........................................................5-9 <br /> 5.2.11 Repairs..................................................................................................................5-10 <br /> 5.2.12 Wrinkles.................................................................................................................5-11 <br /> 5.2.13 Geomembrane Acceptance...................................................................................5-11 <br /> 5.3 HDPE Pipe.......................................................................................:..................................5-11 <br /> 6.0 Vertical LFG Extraction Wells (Reserved).......................................................................................6-1 <br /> 7.0 Documentation................................................................................................................................7-1 <br /> 7.1 Daily Record-Keeping...........................................................................................................7-1 <br /> 7.2 Construction Drawing Changes............................................................................................7-2 <br /> 7.3 Field Moisture and Density Test Result Data Sheet..............................................................7-2 <br /> 7.4 Test Report...........................................................................................................................7-2 <br /> 7.5 Survey Records....................................................................................................................7-2 <br /> 7.6 Photographic Documentation................................................................................................7-2 <br /> 8.0 Construction Certification Report.....................................................................................................8-3 <br /> CH CQA Plan 041712 Rev2a.doc III Construdon QualityAssurance Plan <br />