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24 <br />co`~"tom\h <br />North Caroliao Public Health <br />ORANGE COUNTY <br />HEALTH DEPARTMENT <br />Rosemary L. Summers, <br />MPH, DrPH <br />Health Director <br />Richard E. Whiffed Human <br />Services Center <br />300 West Tryon Street <br />Post OfFice Box 8181 <br />Hillsborough, NC 27278 <br />Phone: (919) 245-2411 <br />Fax: (919) 644-3007 <br />www, co. oran4e.nc. us/hea/th <br />0 <br />Central Administrative <br />Services <br />Dental Health Services <br />Environmental Health <br />Services <br />Health Promotion and <br />Education Services <br />Personal Health Services <br />s <br />306-C Revere Road <br />P O Box 8181 <br />Hillsborough, NC 27278 <br />Phone: (919) 245-2360 <br />FAX: (919) 644-3006 <br />a <br />a~ <br />L <br />__ <br />.~ <br />c <br />m <br />E <br />c <br />0 <br />.~ <br />c <br />w <br />The design flow is based upon the number of bedrooms applied for by the properly <br />owner or developer. The design flow for a bedroom is 120 gallons/day (gpd). <br />(e.g. 480 gpd = 4 bedrooms) <br />Proposed house locations are provided by tb.e property owner or developer as <br />required by 15A NCAC 18A .1900 - .1969 (The Laws and Rules.far Sewage <br />Treatment and Disposal Systems). . <br />The design flow, type system, and pump requirement are subject to change based <br />upon the application and site plan or plat submitted for the Wastewater <br />Construction Authorization. <br />The blocked areas on the accompanying plat are the limits of the provisionally <br />suitable soils as evaluated by the Orange County Health Department. <br />It should be noted that all lots having aconventional-type or innovative drain field <br />with pump are reviewed at a minimum of every five years by the health department <br />as required by 15A NCAC 1$A .1961 (Maintenance of Sewage Systems). <br />Ultra Shallow Trench Conventional Systems are placed iri areas with 24 inches or <br />more of provisionally suitable soiUsite characteristics and a 6-10" soil cap is placed <br />over the trenches. <br />Shallow Trench Conventional Systems are placed in areas with 30 inches or more <br />of provisionally suitable soiUsite characteristics. <br />Conventional Trench Systems are placed in areas with 36" inches or more of <br />provisionally suitable soiUsite characteristics. <br />Innovative Trench Systems can be used in areas with 24-36 "of provisionally <br />suitable soiUsite characteristics. <br />PPBPS (Prefabricated Porous Block Panel Systems) can be used in areas with 42" <br />or more of provisionally suitable soiUsite characteristics. <br />The approved septic areas should be kept free of vehicular traffic, IORRin~, <br />uradinR, and compacting activities. It is the responsibility of the property owner <br />or developer to maintain the integrity of the septic areas prior to system <br />construction and installation. We recommend installing tree protection fencing <br />around the approved septic areas to limit site disturbance during construction. No <br />parking, cutting or filling shall be allowed in or around the drain field areas. <br />Drainage ways and easements should be utilized to convey storm water run-off to <br />the storm water retention areas. These conveyances should not be located through <br />designated septic drain field areas. <br />This report is for planning purposes only and does not constitute any approval. Lot <br />approval is granted by the health department only in the form of an Improvement <br />Permit. <br />G:~ALAN\ALAN~ALANISDREPORTIB luffsatMoorefields. doc <br />