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4.1.5 Permeability Tests <br />ame0 <br />percent above the 3 /4-inch sieve (approximately 128,400 cubic yards), AMEC performed six <br />(6) CQA standard Proctor compaction tests, resulting in one test per 21,400 cubic yards, <br />exceeding the testing frequency of one test per 50,000 cubic yards. The SF compaction test <br />results met project specifications and are presented in Appendix H.2 and summarized in <br />Table 5. CQC Proctor tests were not included in the Proctor testing frequency. <br />AMEC performed standard Proctor compaction tests of SLF in order to compare in -place <br />densities and moisture contents with laboratory derived values of maximum dry density and <br />optimum moisture content. AMEC performed sixty -seven (67) CQA standard Proctor <br />compaction tests of SLF. The testing frequency (approximately one test per 1,658 cubic <br />yards) exceeded the minimum specified testing frequency of one test per 5,000 cubic yards. <br />The SLF compaction test results met project specifications and are presented in <br />Appendix H.2 and summarized in Table 7. CQC Proctor tests were not included in the <br />Proctor testing frequency. <br />AMEC performed standard Proctor compaction tests of SSF in order to compare in -place <br />densities and moisture contents with laboratory derived values of maximum dry density and <br />optimum moisture content. AMEC performed one (1) CQA standard Proctor compaction <br />tests of SSF. The testing frequency (approximately one test per 315 cubic yards) exceeded <br />the minimum specified testing frequency of one test per 50,000 cubic yards. The SSF <br />compaction test results met project specifications and are presented in Appendix H.2 and <br />summarized in Table 9. CQC Proctor tests were not included in the Proctor testing <br />frequency. <br />AMEC conducted permeability tests of SLF. AMEC conducted forty -four (44) permeability <br />tests of re- compacted samples of SLF. The testing frequency (approximately one test per <br />2,487 cubic yards) exceeded the minimum specified testing frequency of one test per <br />4,000 cubic yards. Testing was performed with a flexible -wall permeameter, during material <br />processing, with back - pressure saturation and a constant rate of flow (ASTM D5084, <br />Method D). The fill was re- compacted to 95 percent of the standard Proctor (ASTM D698- <br />AMEC Earth & Environmental, Inc <br />2000 S. Colorado Blvd 2 -1000 <br />Denver, CO 80222 <br />Tel 303 - 935 -6505 <br />Fax 303 - 935 -6575 www.amec corn 20 <br />