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.pi► �'� AREA CODE 2079 <br /> PHONE 943-21321 <br /> i t <br /> R. W. SIEGFRIED & ASSOCIATES <br /> 41345 CORONADO AVENUE STOCKTON. CALIFORNIA 9S204 . CONSULTING CIVIL ENGINEERS <br /> C0NEULTAT49H DESOD. . R[PDSTS <br /> NDNAC.tAL WATER ■EWERADE I DRA-GE <br /> ROBERT W. S.IEBFRIED PLANN�ND EuaDtvi:oo s iRRioATiaN - <br /> ARNOLD A. SCNAMBER uEcuNc ft DUTRiCT - Ri wcruRu <br /> JAMES F. Y(78T IM PYST REAL LAND L T(3PODRA++.IC SHR.EYS <br /> September .4, 1984 <br /> Rocky's Restaurant <br /> 14749 North Thornton Road <br /> E <br /> Lodi, California 95240 <br /> Attention: Mr. Rocco Benigno <br /> Gentlemen: <br /> i <br /> Subject: Septic System and Filter Bed For <br /> Rocky's Restaurant <br /> r <br /> Pursuant to our meeting of August 29, 1984, we have discussed your <br /> septic system and filter bed with Mr. T. R. McDonald, the Contractor <br /> installing the system, and Mr. Al Olsen, of the San Joaquin Local Health <br /> District. Mr. McDonald indicated that the system was installed per San <br /> Joaquin Local Health District Ordinance No. 549 and it, in fact, was <br /> inspected and accepted by the Local Health District. Our calculations, <br /> based upon your estimate of 500 customers per day, indicate that the <br /> filter bed was adequately sized to meet San Joaquin Local Health <br /> District's current requirements. <br /> However, the problem remains that the filter bed is seeping around <br /> its perimeter. We feel that the reason for this is one or a combination <br /> of the following reasons: <br /> 1) The restaurant is utilizing water at a higher rate <br /> than the filter bed was designed for. <br /> 2) The soils beneath the filter bed are of a type <br /> which will not allow percolation. <br /> 3) The soils beneath the filter bed were probably <br /> thoroughly compacted over a period of time prior <br /> to construction of the filter bed by heavy truck <br /> loads. These soils may not have been adequately <br /> prepared prior to the installation of the filter <br /> bed. <br /> Due to the saturated nature of the filter bed, it would be <br /> difficult at this point in time to determine which of the above has <br /> contributed most to the seepage of the filter bed. The only thing we <br /> could determine, if it were deemed necessary, would be to meter the <br /> water coming into the restaurant to determine if, in fact, the water <br /> usage of the restaurant is exceeding the amount used to size the filter <br /> bed area. <br /> (Cont'd.) <br /> i <br />