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Construction Quality Assurance (CQA) Plan Extension of Closure Cap <br /> Corral Hollow Sanitary Landfill August 21,2008 <br /> 2.4.1 Observation of Non-Conformance ...............................................11 <br /> 2.4.2 Determining Extent of Non-Conformance .................................. 11 <br /> 2.4.3 Documenting Non-Conformance .................................................12 <br /> 2.4.4 Corrective Measures ....................................................................12 <br /> 2.4.5 Verification of Corrective Measures............................................12 <br /> 2.5 Construction Monitoring........................................................................13 <br /> 2.5.1 Monitoring Priorities ................................................................... 13 <br /> 2.5.2 Discrepancies ............................................................................... 13 <br /> 2.6 Materials Quality Verification............................................................... 13 <br /> 2.6.1 General......................................................................................... 13 <br /> 2.6.2 Material Submittals.....................................................................13 <br /> 2.6.3 Certificates of Compliance and Conformance.............................14 <br /> 3.0 CONSTRUCTION QUALITY ASSURANCE FOR EARTHWORK..........15 <br /> 3.1 Introduction ............................................................................................15 <br /> 3.2 Earthwork Construction Testing ...........................................................15 <br /> 3.2.1 Test. Standards.............................................................................15 <br /> 3.2.2 Test Frequencies..........................................................................16 <br /> 3.2.3 Soil Sample Numbering...............................................................16 <br /> 3.2.4 Soil Sample Tagging....................................................................17 <br /> 3.2.5 Soil Sample Processing................................................................18 <br /> 3.3 Field Density Tests.................................................................................18 <br /> 3.3.1 Test, Numbering...........................................................................18 <br /> 3.3.2 Test Locations ..............................................................................18 <br /> 3.4 Monitoring and Testing Requirements..................................................19 <br /> 3.4.1 Clearing and Stripping................................................................19 <br /> 3.4.2 Engineered hill.............................................................................19 <br /> 3.4.3 Liner Subgrade Preparation........................................................ 19 <br /> 3.4.4 Vegetative Layer..........................................................................20 <br /> 4.0 CONSTRUCTION QUALITY ASSURANCE FOR GEOSYNTHETICS..21 <br /> 4.1 General....................................................................................................21 <br /> Vector Engineering, Inc. • 143E Spring Hill Drive -Grass Valley, CA • (530) 272-2448 <br /> -ii- <br />