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2.4 Bedding Fill (above installed geomembrane) <br />On October 12, 2011, Ames placed approximately 2,119 cubic yards of BF over the <br />geomembrane. The BF was placed in a minimum 2 -foot thick lift over the geomembrane. <br />During fill placement, PVC grade markers were placed at grade breaks and on a maximum <br />50 -foot by 50 -foot grid. After BF placement, PVC grade markers were removed, and Ames <br />performed any additional grading required. Ames placed BF in an uphill direction on any slopes <br />steeper than 4H:1 V. <br />2.5 Structural Fill <br />Ames finished the earthworks by placing structural fill above the top layer of BF to the finished <br />grade, as shown on the drawings. The structural fill was placed and compacted to meet the <br />project specifications. <br />7 <br />