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refuse, placed in the lower portion of the advancing lift, and thor- <br />oughly crushed by compacting equipment. The advancing face will be <br />covered daily with a minimum 6 -inch thickness of soil cover. When <br />additional waste materials will not be placed over the surface within <br />180 days, the top and side slopes of the advancing lift will receive <br />additional cover so that there is a minimum 12 -inch -thick intermediate <br />soil cover. <br />A four -working -face, two -lift placement method, shown on Drawing 4, <br />will normally be used to place refuse fill at the site. This method <br />maximizes the service life of haul roads. An all-weather haul road <br />will be constructed from the access road across the surface of the <br />existing refuse fill to the active working area. An initial working <br />refuse face is then advanced on one side of the all-weather haul road <br />toward the access road. A second working refuse face is advanced <br />adjacent to the first over the all-weather access road. During the <br />dry months, a ramp is constructed from the haul road to the surface of <br />the lower lift. Refuse vehicles are routed over the soil cover, and <br />an upper lift is filled by advancing the third and fourth working <br />faces. A minimum distance of 150 feet is maintained between the toe <br />of the upper lift and the top of the ramp to provide a truck maneuver- <br />ing area for advancing the third and fourth working faces. <br />Temporary berms will be constructed where needed to intercept and <br />deflect surface runoff away from the active working face. Soils will <br />be excavated sequentially from the modules shown on the excavation and <br />preparation plan to meet the requirements for landfill development. <br />The excavation sequence was developed according to the requirements <br />for soil handling, access, drainage, and waste placement. <br />5.3 EXCAVATION AND FILL SEQUENCE <br />The excavation and fill sequence plan is shown on Drawing 2. The plan <br />shows approximate limits and proposed excavation base grades, module <br />development, sequence of excavation, and fill. <br />PJ9 9390209A.00D 24 <br />