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1.2 Construction Quality Assurance /Construction Quality Control <br />1.2.1 CQA Monitoring of Earthworks <br />ame0 <br />installation of geomembrane liner in June 2012. Messrs. Ron Roberts and Jim Smith <br />represented CC &V as the Construction Manager and Construction Superintendent, <br />respectively, during the course of the work. All quantities and testing frequencies presented <br />in this report are current as of July 2012, which represents completion of the Process <br />Solution Enhancement System, as detailed in this report. <br />AMEC provided CQA and CQC monitoring and testing services, and prepared this report <br />describing the monitoring and test results for the Process Solution Enhancement System. <br />As -built drawings and supporting CQA monitoring and testing documentation are presented <br />in appendices attached to this report. <br />AMEC provided CQC testing and CQA testing and monitoring of earthworks for the Process <br />Solution Enhancement System. CQA testing and monitoring of earthworks was provided for <br />in -place materials in accordance with the AMEC Earthworks CQA Plan (Section 1400.1 of <br />the Specifications; see Appendix E). The earthworks material specifications for this project <br />are 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 topsoil stripping, site grading, including slope <br />re- contouring and fill placement, lift thickness, moisture conditioning, <br />temperatures, compactive effort, in -place nuclear density testing, and use <br />of suitable material for Structural Fill (SF). AMEC performed CQA <br />laboratory testing of grain size, moisture content, and Atterberg limits of <br />the SF material. <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 2 <br />