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_ :•-., <br />Cover - Cover work began on the third bench and that part of bench <br />4 below the pile access road on August 10, 1994. Subsoils were <br />hauled onto the benches from the Cameo Borrow Area No. 1. Topsoil <br />was hauled onto the benches from Topsoil Piles No. 7. <br />Approximately 6" of the material placed on the pi:Les was topsoil. <br />A minimum of 24 inches of material is required on the pile. Survey <br />information from a survey on August 29, 1994, showed an average of <br />30" of soil on the benches. Additional material was spread on <br />areas showing less than 18" in that survey. Cover depths were <br />verified with approximately 8 excavations by company and contractor <br />personnel. Excavation depths ranged from 16" to over 28". <br />Additional material was spread in areas with less than 24" of <br />cover. The cover on these benches was completed on September 7, <br />1994. Rip rapping of the collection ditches along the cover area <br />was done as part of the same contract. The roadway onto i:he pile <br />is still considered an active part of the refuse disposal area, <br />therefore, the minimum cover depth of 24" was not applied to this <br />area. <br />~r <br />~~ <br />yq <br />