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1O . <br /> lt,e.ee,iArtki 6-i 146 <br /> • <br /> June 11, 1986 <br /> Ms. Jane Atwater <br /> Orange County Planning, Department <br /> Orange County Offices <br /> Churton St. and Margaret Lane <br /> Hillsborough, NC 27278 <br /> Dear Jane: <br /> Regarding storm water management for Blueberry Hill subdivision: <br /> We believe the following conditions meet the Orange County storm water <br /> management requirements: <br /> 1) Lots average 2.3 acres, with none smaller than 1.95 acres. The <br /> limitations placed on impervious surfaces (12% maximum) necessitate <br /> a large buffer of undisturbed area to filter and absorb run-off <br /> from said impervious surfaces. <br /> 2) The land slopes gently, dropping from 550 feet jn elevation <br /> to 510 feet in elevation over a distance of 1101feet to the east, <br /> and to 530 feet in elevation over a distance of 500+ feet to the <br /> west (representing a 4% drop in both cases) . <br /> 3) The grass swales along the road will be used for infiltration, <br /> so that the vegetaton will filter run-off from the road surface. <br /> 4) There is a 25-foot buffer between the private road and longer <br /> . boundary of the property. This area will be left undisturbed <br /> by covenant. <br /> 5) By covenant, no healthy trees may be cut within 20 feet of any <br /> lot line. Again, this preserves buffers around the road and hones. <br /> We believe this combination of natural terrain, buffers, large lots, <br /> and grassy swales will achieve the storm water management objectives <br /> set forth in the county's subdivision regulations. <br /> Please let us know if this meets with your approval. <br /> Thank you very much. <br /> Sincerely, <br /> Ann Moss ooyne <br /> cc: Warren Faircloth, O.C.Erosion Control <br />