Laserfiche WebLink
October 2004 -24- 043-2170 <br />• met specifications. The number of retests was not used to determine the testing frequency. Holes <br />made in the SLF during testing were filled by tamping fine SLF material into the holes. <br />4.2.6.3 Depth Verification <br />Ames drilled a total of 142 holes in the compacted SLF to verify that the minimum 12-inch <br />compacted depth had been achieved. Golder monitored the SLF depth verification tests and <br />documented results. Depth verification holes were filled with bentonite and water. All of the <br />142 holes drilled into the SLF had compacted depths greater than 12 inches. The testing frequency <br />met the minimum specified testing frequency of two measurements per acre. The Soil Liner depth <br />verification results aze presented in Table 14. <br />4.2.7 Drain Cover Fill <br />Golder provided visual monitoring of DCF placement. One Golder monitor and at least two Ames <br />laborers were present monitoring each dozer, unless two dozers were within 50 feet of each other <br />during DCF placement. Golder verified that wrinkles in the geomembrane did not fold over, that <br />• PVC grade markers were placed on a maximum 50-foot by 50-foot grid and at grade breaks, and that <br />unsuitable material was not present in the fill. Golder continuously inspected geomembrane during <br />DCF placement, and marked azeas for repau if required. Repair to damaged geomembrane is <br />documented in the geomembrane defecdrepair log (Appendix K-7). After fmal grading, Golder <br />monitored removal of PVC grade mazkers and fmal grading of the DCF. <br />4.2.8 Surface Water Diversion Svstem <br />Field testing included monitoring of PBM placement and testing of in-place moisture and density <br />with a nucleaz gauge. Golder observed PBM placement to verify lift thickness, adequate compaction, <br />acceptable moisture conditions, final compacted thickness, and suitability for pipe placement. Golder. <br />performed a total of three (3) in-place moisture-density tests of PBM within the Surface Water <br />Diversion System. Golder compazed results of the field moisture content and density tests to the <br />Proctor dry density and optimum moisture content values of material with similar gradation and <br />plasticity characteristics. No moisture-density test frequency was identified in the CQA Plan. <br />Nucleaz density tests performed on PBM for the OSA are summazized in Table 16. <br />C~ <br />cw+mxaaioo~cen-Qneervc-xmnw~xxvo.ocoacxuvice.~eervcaoc Golder Associates <br />