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I <br />(horizontal to vertical) or flatter. Refuse will be spread and compacted in layers <br />approximately 2 feet thick on a sloped working face. Except for the initial lift in <br />each landfill module, wastes will be deposited at the base of the working face, <br />spread up the face and compacted. The compaction equipment will traverse the <br />entire length of the working face and make several passes over each refuse layer <br />so that all waste is adequately compacted. Large or bulky wastes will be sepa- <br />rated to prevent bridging of the surrounding refuse, placed in the lower portion of <br />the advancing lift, and thoroughly crushed by compacting equipment. The ad- <br />vancing face will be covered daily with a minimum 6 -inch -thick soil cover. When <br />additional waste materials will not be placed over the surface within 180 days, the <br />top and side slopes of the advancing lift will be covered with a minimum 12 -inch - <br />1 thick layer of intermediate soil cover. <br />A four -working -face two -lift placement method, shown on Drawing 2, will normally <br />be used to place refuse fill at the site. Generally, only one face is actually open <br />at a time. This method maximizes the service life of haul roads. An all-weather <br />haul road will be constructed from the access road across the surface of the ex- <br />isting refuse fill to the active working area. An initial working refuse face is then <br />advanced on one side of the all-weather haul road toward the access road. A <br />second working refuse face is advanced adjacent to the first over the all-weather <br />access road. During the dry months, a ramp is constructed from the haul road to <br />the surface of 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 faces. An ade- <br />quate distance will be maintained between the toe of the upper lift and the top of <br />the ramp to provide a truck maneuvering area for advancing the third and fourth <br />working faces. <br />Temporary berms will be constructed where needed to intercept and divert sur- <br />face runoff away from the active working face. Soils will be excavated sequen- <br />tially from the modules shown on the excavation and fill sequence plan (Drawing <br />2) to meet the requirements for landfill development. The excavation sequence <br />was developed according to the requirements for soil handling, access, drainage, <br />and waste placement. <br />PJ <br />9 9390219A.00W 11 Rev. 0 July 19, 1989 <br />