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s <br /> July 6, 2004 <br /> NOA Project Number: E04017A <br /> Page 5 <br /> Manual of Sgptic Tank Practice Waste Water Loading E uation <br /> Q is loading rate, gallons per day per oquare foot. <br /> T is:percolation rate, minutes per inch. <br /> Q d/ft2 5 <br /> 0.91 gpd/ft2 = 5 <br /> 30 min I in <br /> 4. The required square footage for the disposal bed was calculated using the loading rate and <br /> estimated average daily flow. <br /> 5,300 ft <br /> 2 _ 4,800 gpd <br /> 0.91 gpd/ft2 <br /> 5. According to the assumptions and formulas discussed; the total required area for sewage <br /> disposal is to 5,300 ft'. <br /> We recommend operating a double size system which would require a total of 10,600 square <br /> feet. Mr. Goss has indicated he would like to use the existing filter bed disposal field if possible. <br /> A configuration of three(3)beds of 2,650 square feet(SF) each on the 2'Fairway,utilizing the <br /> existing disposal bed which is composed of two (2) beds of 3,200 SF is proposed. The sum of <br /> area would be 14,350 SF (2650 [new] +2650 [new] +2650 [new] + 3200 [existing] +3200 <br /> [existing]). We have considered that since the existing disposal field has operated since October <br /> 1997, it may have diminished capacity for effluent disposal. <br /> The mechanical diversion valve installed after the tank battery may allow for diversion of the <br /> effluent away from the new disposal beds to the existing filter bed for emergency use. <br /> Grease Trap Interceptor: <br /> According to Parish& Son's septic service of Stockton, California, the size of the existing <br /> grease trap at the Stockton Golf& Country Club is 1,200 gallons. It requires pumping and <br /> cleaning every three months. Mr. Goss confirmed this information. Parish& Son's indicated <br /> the tank is full after three months. <br />