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DEAN G. GILMAN, P.E. <br /> CONSULTING CIVIL ENGINEER <br /> RCE 33033 <br /> 6252 CHESAPEAKE CIRCLE • STOCKTON, CALIFORNIA • 95219-3813 <br /> PHONE: 20q-483-2960 FAX : 209-957-3972 EMAIL gilmari.engr@gmail.com <br /> February 8, 2013 <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> SUBJECT: Residential Addition <br /> 11202 East Woodbridge Road,Acampo <br /> Dear Sirs: <br /> At the request of Mr. Danny Vierra, I have reviewed the referenced project in regards to the. <br /> location of the existing septic tank adjacent to the proposed addition. Based on a review of the <br /> project, the septic tank is offset from the corner of the proposed perimeter footing diagonally a <br /> distance of 2 feet. The minimum distance specified in the County's "Onsite Wastewater <br /> Disposal Standards"is 5 feet. <br /> A review of the building plans indicates that the maximum anticipated service load along the <br /> perimeter footing, including footing weight, will be 530 pounds per square foot. The effective <br /> lateral soil pressure from the footing at the distance of 2 feet will be roughly 50 percent of the <br /> full value, or approximately 265 pounds per square foot. <br /> In conclusion, due to the septic tank being offset diagonally from the corner of the perimeter <br /> footing and the relatively light service loads anticipated, I assert that the septic tank in its current <br /> location with respect to the proposed improvements will not be adversely affected by the <br /> addition and that it will not compromise the serviceability of the proposed construction either. <br /> Please contact me at (209)483-2960,if there are any questions regarding this statement. <br /> Sincerely,�/� <br /> yu ., �V <br /> Dean G. Gilman, RE <br /> G G/�� �. <br /> C, NO r7.0�3 <br /> ��a cau�°`� s` <br />