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16 <br /> 16 600 gpd Shallow Trench Conventional <br /> 17 600 gpd Shallow Trench Conventional w/pump <br /> 18 600 gpd Ultra Shallow Conventional w/pump <br /> 19 600 gpd Conventional w/pump <br /> 20 600 gpd Shallow Trench Conventional w/pump <br /> 21 600 gpd Shallow Trench Conventional w/pump <br /> 22 600 gpd Shallow Trench Conventional <br /> NOTES: <br /> The design flow is based upon the number of bedrooms applied for by the property owner or developer. The design <br /> flow for a bedroom is 120 gallons/day(gpd). (e.g. 600 gpd=5 bedrooms) <br /> Proposed house locations are provided by the property owner or developer as required by 15A NCAC 18A .1900 - <br /> .1969 (The Laws and Rules for Sewage Treatment and Disposal Systems). <br /> The design flow, type system, and pump requirement are subject to change based upon the application and site plan or <br /> plat submitted for the Wastewater Construction Authorization. <br /> The blocked areas on the accompanying plat are the limits of the provisionally suitable soils as evaluated by the <br /> Orange County Health Department. <br /> It should be noted that all lots having a conventional-type drain field with pump are reviewed at a minimum of every <br /> five years by the health department as required by 15A NCAC 18A.1961 (Maintenance of Sewage Systems). <br /> Ultra Shallow Trench Conventional Systems are placed in areas with 24 inches or more of provisionally suitable <br /> soil/site characteristics and a 6-10"soil cap is placed over the trenches. <br /> Shallow Trench Conventional Systems are placed in areas with 30 inches or more of provisionally suitable soil/site <br /> characteristics. <br /> Conventional Trench Systems are placed in areas with 36"inches or more of provisionally suitable soil/site <br /> characteristics. <br /> Innovative Trench Systems can be used in areas with 24-36 "of provisionally suitable soil/site characteristics. <br /> The avyrdved septic areas should be kept free of vehicular traffic IOEEinE grading, and compacting activities.. <br /> It is the responsibility of the property owner or developer to maintain the integrity of the septic areas prior to system <br /> construction and installation. No 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 the storm water retention areas. <br /> These conveyances should not be located through designated septic drain field areas. <br />