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"Wilm,e <br />2012. Messrs. Ron Roberts and Jim Smith represented CC &V as the Construction Manager <br />and Construction Superintendent, respectively, during the course of the work. All quantities <br />and testing frequencies presented in this report are current as of August 2012, which <br />represents the completion of the Phase 5 Berm Modification, as detailed in this report. <br />1.2 Construction Quality Assurance /Construction Quality Control <br />AMEC provided CQA and CQC monitoring and testing services, and prepared this report <br />describing the monitoring and test results for the Phase 5 Berm Modification. As -built <br />drawings and supporting CQA monitoring and testing documentation are presented in <br />appendices attached to this report. <br />1.2.1 CQA Monitoring of Earthworks <br />AMEC provided CQC testing and CQA testing and monitoring of earthworks for the Phase 5 <br />Berm Modification. CQA testing and monitoring of earthworks was provided for in -place <br />materials in accordance with the AMEC Earthworks CQA Plan (Section 1400.1 of the <br />Specifications; see Appendix E). The earthworks material specifications for this project are <br />summarized in Table 1. CQC earthworks testing was provided to support the contractor <br />during the manufacture of materials and prior to material placement. The CQC test results <br />are not included in this report because these tests were intended to assist the contractor in <br />materials preparation rather than record testing. <br />AMEC provided CQA laboratory and field testing, and monitored earthworks construction <br />activities as follows: <br />• AMEC monitored site grading, including slope re- contouring and fill <br />placement, lift thickness, moisture conditioning, temperatures, compactive <br />effort, in -place nuclear density testing, and use of suitable material for <br />Select Structural Fill (SSF). AMEC performed CQA laboratory testing of <br />grain size, moisture content, and Atterberg limits of the SSF material. <br />• AMEC visually monitored subgrade preparation to confirm that the <br />subgrade surface was unyielding, free of organic matter and other <br />AMEC Environment & Infrastructure, Inc. <br />2000 S. Colorado Blvd 2 -1000 <br />Denver, CO 80222 <br />Tel 303 - 935 -6505 <br />Fax 303 - 935 -6575 www.amec.com <br />E <br />