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~ 51 ORANGE COUNTY PLANNING DEPARTMENT <br />306F REVERE ROAD <br />• HILLSBOROUGH, NORTH CAROLINA 27278 <br />~,. ., o <br />c` <br />°'~e e.v.o°• <br />O R A N G E C O U N T Y <br />INTEROFFICE MEMORANDUM <br />8803-1802 <br />T0: John Link., County Manager <br />FROM: Marvin E. Collins, Planning Director <br />SUBJECT: Primary/Back-Up Nitrification Fields <br />DATE: March 2, 1988 <br />(Revised March 8- 1988) <br />COPIES: Geoffrey Gledhill, County Attorney <br />Albert Rittrell, Assistant County Manager <br />Dan Reimer, Health Director <br />C. A. Laws, Environmental Health Supervisor <br />Emily Crudup. Planner II <br />• Ron Holdway, Environmental Sanitarian <br />Barry Jacobs, Planning Board .Chair <br />MAR 9 1988 <br />At the last Agenda Review meeting. questions arose <br />regarding. the ability of Environmental Health personnel to <br />denote .primary and back-up nitrification fields on <br />subdivision plats. The issue emerged from a recommendation by <br />OWASA that the fields be denoted on such plats. Two <br />subdivisions, Albert Reaves Estates and James Mark Vine, were <br />withheld from the Commissioners consideration pending the <br />collection of information related to the issue. <br />Preliminary information has been obtained and is <br />provided below. <br />With regard to preliminary plat approvals, Environmental <br />Health requires that road centerlines and property corners be <br />staked in the field as a minimum. Another method used by <br />surveyors is to lay off a one-acre grid system on the <br />property. The approximate suitable area required for primary <br />• and back- up fields is then identified, by "pacing" from <br />centerlines or property corners, for each proposed lot. <br />Specific designations for each type of field are not denoted, <br />however, since the location of the house is not known. and <br />fields may have to be shifted accordingly. The preliminary <br />