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Cabarrus C&D landfill & Recycling Center Operations Plan 1.3 Landfill Capacity Job No. 98001 02/11/98 The development of the C&D landfill will be as depicted on the Site Plan and Rehabilitation Plan. The available gross volume of the C&D landfill is approximately 4.5 million cubic yards. Based on a disposal rate of 300 tons/day and a compaction rate of approximately 1000 Ibs/cy, the operating capacity for the C&D landfill will be in the range of twenty years. 1.4 Landfill Development The landfill will be developed within the areas shown on the Site Plan. A 200 foot buffer will be maintained around the entire north, west and south perimeter. A 300 foot buffer will be maintained along the east perimeter along Highway 601. A 500 foot buffer will be maintained from existing residences or water supply wells. A majority of the areas Within the buffer Will remain wooded with existing trees and vegetation. The C&D landfill will be constructed so that excavated soil can be used for weekly and final cover. Each landfill will be developed in phases. The landfill will be permitted in five year capacity phases by the State Division of Waste Management. The site will be graded in accordance with the Grading Plan which will provide a minimum of four foot separation from waste to the estimated seasonal high groundwater level. Additional borrow soil for the C&D landfill will be available from adjacent phases as needed. The erosi~)n control devices for each phase as shown on the Site Plan will be constructed pdor to excavation Within each phase. Waste will be placed initially from the upgradient to the downgradient end of each phase. An initial lO-foot lift of waste will be placed across the landfill phase floor WOrking from upgradient to downgradient areas. After the initial lift has been placed, subsequent lifts will also proceed from the upgradient end toward the downgradient end. This procedure will