Agenda - 02-10-1998 - Attachment 3h

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7.4 Conceptual Materials Recovery Facility Design We have shown the material recovery facility on Drawing No. 2 in conjunction with the MSW transfer facility. A suggested layout for a MRF (without a transfer building) is shown on Drawing No. 3. 7.5 Operational Aspects The following operational aspects of a MRF have been considered: Because workers will be in fairly close proximity to waste, an effective worker safety plan is important; Equipment may include conveyors, balers, shredders or other processing equipment, and front -end loaders to move materials; A wastewater management plan could be needed, since all water that comes in contact with solid waste must be managed as leachate. If this wastewater is stored in tanks and periodically hauled from the site, approval would be required from the Division of Water Quality and the receiving wastewater treatment plant. If it appeared to be a cost - effective option, this wastewater could possibly be managed through utilization of the existing leachate pond and transport arrangements employed for the lined landfill. 8.0 TASK 2 - USE OF THE GREENE TRACT AS AN MSW LANDFILL We have evaluated the Greene and Neville Tracts for use as a lined MSW landfill, assuming that the airport restriction did not apply. We also assumed the following: • Existing scales and ancillary facilities in place for the South Eubanks Landfill would remain or be relocated on the South Eubanks Road landfill property; • Landfilling of MSW would begin in 2006, with an annual waste generation rate of 50,000 tons per year; • Waste stream would increase by 1.5% per year (quantities are shown on Table 3); • The assumed waste density is 1200 pcy; and • There would be substantial use of alternate daily cover in the operations, resulting in a waste - to -cover ratio of 7:1. Study of Solid Waste Management Options JOYCE ENGINEERING, INC. for the Greene and Neville Tracts February 4, 1998 Orange County, North Carolina 11