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i., <br />Construction Quality Assurance Plan <br />Brighton Water Storage Project, Adam4 County, Colorado <br />Job No. 02-0065 <br />July 12, 2002 ~ , <br />Page 2 of 2 <br /> <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 acid Moisture Content -Nuclear Gauge <br />(ASTM D2922 and D3017) <br /> <br />• In-place Dry Density and Moisture Content -Sand Cone <br />(ASTM D1556) <br />• Hydraulic Conductivity Tests ' <br />_ (e.g., ASTM D5084) <br /> <br />1 test per 500 yd3 <br />1 test per.5,600 yd3 <br />i test per 25,000 yd3• <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 [he <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 />