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5 <br />2. Greene Tract - 60 Acres Reserved for Solid Waste <br />Decision of Which 60 Acres <br />During the Mayor's and Chair's Work Group meetings earlier this year, staff proposed for <br />consideration by the group a specific 60 acres (Attachment 1). The basis for this particular 80 <br />acre area includes: <br />* surface and groundwater flow toward and onto landfill property <br />* eliminates possible access to site from Purefoy Road <br />* physically adjoins other landfill property <br />* fewest residents adjacent to this site <br />The Interlocal Agreement requires in Exhibit E, a "Legal. Description of the Portion of the Greene <br />Tract To Be Devoted to Solid Waste Management Purposes". Additionally, the specific 60 acre <br />tract must be identified in order for Chapel Hill to complete the required rezoning of the 60 acres <br />for solid waste management purposes. Chapel Hill is proceeding with the rezoning process under <br />the assumption that attachment 1 is the final 60 acre delineation. <br />The Solid Waste staff has performed a critical review of the proposed 60 acres and has <br />considered other possible representations. While we are still of the opinion that we are proposing <br />the most sensible delineation, we are ready to consider other possible subdivisions as may be <br />suggested by the BOCC. , <br />Proposed Regulatory Buffers <br />Adopted 200' Buffer <br />When the Chapel Hill Town Council adopted an ordinance amendment on November 8, creating a <br />new zoning district, they required that the district maintain minimum 200' .interior buffers around <br />the perimeter of property so zoned. Upon further review, we believe that such a wide buffer may <br />unreasonably restrict the usefulness of the 60 acre site proposed for transfer to Orange County. <br />We have just completed a boundary survey of the Greene Tract and have calculated the <br />consequences of a 200' buffer at this site. A 200' buffer (attachment 2), as adopted by Chapel Hill <br />would encompass 31.68 acres (53%) of the entire 60 acre site. Additionally, utilization of 200' <br />buffers would also render the approximately 6 acre southwest portion of the property essentially <br />not useable. <br />It should be .noted that a drainage in the northwestern corner of the proposed site might present <br />another small area of the site that must be protected from development. The extent of any impact <br />caused by the drainage will be determined after the wetlands survey. We do not believe that this <br />drainage will impact a significant portion of the site. <br />100' Alternative Buffer <br />A 100' buffer would encompass 17.52 acres (attachment 3). While the Duke Power easement is <br />the practical limit of development to the east, we would propose that there be no buffer on the <br />