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• Construction Quality Assurance Plan <br />Brighton WatecStorage Project, Adams County, Colorado ~ ' <br />Job No. 02-0065 - <br />July 12, 2002 <br />Page 2 of 2 ' <br />Soil index property tests, including Atterberg limits (ASTM <br />D4318) and percent finer than the #200 Sieve (ASTM <br />D422) to be performed for each Proctor sample. ' <br />• In-place Dry Density and Moisture Content- Nuclear Gauge \ 1 test per 500 yd3 <br />(ASTM D2922 and D3017) ' <br />• In-place Dry Density and Moisture Content =Sand Cone I test per 5,000 yd3 <br />(ASTM DI556) <br />• Hydraulic Conductivity Tests - 1 test per 25,000 yd3 <br />' (e.g., ASTM D5084) <br />Daily Test Reports should be prepared by- engineering technicians on a daily basis. The <br />handwritten field copy(ies) of the Daily Test Report(s) should be submitted to the Contractor <br />and/or Construction Manager daily. Daily Test,Reports should include applicable specifications <br />and descriptions, test locations, date of testing, control requirements, pass/fail of the individual <br />tests, test results, and any re-tests or other methods taken by the Contractor to address <br />deficiencies. <br />Upon completion of construction of the liner, the Geotechnical Engineer should prepare a <br />summary and certification report regarding the work done, a summary of the field and laboratory <br />test data obtained, resolution of deviations or deficiencies from project plans and specifications, <br />and a professional engineering opinion regarding the compliance of the construction with the <br />plans and specifications. - <br />If you have any questions, please contact this office. <br />Very truly yours, <br />Ground Engineering Consultants, Inc. <br />Brian H. Reck, C.E.G. _ <br /> <br /> <br />