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27 <br />It should be noted that all lots having aconventional-type drain field with pump are reviewed at a minimum of eve; <br />five yeazs 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 />soiUsite characteristics and a 6-10" soil cap is placed over the trenches. <br />Shallow Trench Conventional Systems aze placed in areas with 30 inches or more of provisionally suitable soiUsite <br />characteristics. <br />Conventional Trench Systems are placed in areas with 36" inches or more of provisionally suitable soiUsite <br />characteristics. <br />Innovative Trench Systems can be used in areas with 24-36 "of provisionally. suitable soiUsite characteristics. <br />The approved septic areas should be kept free of vehicular traffic, loe~ine, grading, and compacting activitiE <br />It is the responsibility of the property owner or developer to maintain the integrity of the septic areas prior to syster. <br />construction and installation. No parking, cutting or filling shall be allowed in or azound 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 azeas. <br />This report is for planning purposes only and does not constitute any approval. Lot approval is granted by the hea11 <br />department only in the form of an Improvement Permit. <br />N <br />