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based on the number of hours the equipment has been in service (250 hours, <br /> 500 hours, 750, 1000 hours, etc.). <br /> 6.4 MATERIAL HANDLING ACTIVITIES <br /> 6.4.1 CONSTRUCTION PHASING <br /> The base grading plan for,4he. b r Landfill (Drawing 3) shows the WMU <br /> excavations that will provide refuse fill capacity and soils to support landfill- <br /> operations. The base of each future WMU excavation will be lined and an LCRS <br /> will be constructed.ov"Ahe. ' ..,b. -r.e,any,.waste-.is. d .,Tla&site phasing <br /> plan (Drawing 5) presents the order in which the WMUs will be developed and <br /> Drawing 4 shows,,t ,4irial,iandfvll•� ra es. for-inore detaiis-see�,5 'on 5.2.5. <br /> 6.4.2 UNLOADING <br /> Trained landfill personnel direct vehicles to the unloading area and maintain <br /> control over the area used for discharging wastes. 'Shipments of waste requiring <br /> special handling such as designated wastes, ash, Asbestos-Containing-Materials <br /> (ACM), or sludge, are directed to their respective disposal areas. Since all <br /> shipments of waste are...sche,duled.jn vance,,the site.trrafficu..con,trolledMmd <br /> there is minimal stacking, if any. <br /> 6.4.3 SPREADING AND COMPACTION <br /> The landfill is constructedby.the area,fill„n ethod _The waste ceRs.are <br /> approximately 150 feet wide, and refuse is placed in lifts of 10 to 20 feet. Wastes <br /> are tipped and spread in approximately 2-foot thick layers, and then compaction <br /> equipment traverses the waste,several:times es on the active working face. <br /> To achieve adequate waste compaction, the active working face is sloped at <br /> approximately 3:1 (horizontal:vertical) or flatter. The working face is covered <br /> daily with at least 6 inches of cover soil or a permitted alternative daily cover <br /> material. The top surface and sides of the advancing lift are covered with a layer <br /> of soil at least one foot thick when wastes are not scheduled to be placed within <br /> 180 days. <br /> Forward Landfill jT0 6-6 <br /> L:\Allied\2000.193\Reports\finaljtd:Sec-6.0:08/20/01 <br /> BRYAN A.STIRRAT 6 ASSOCIATES <br />