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�¢GHA`�� <br /> CIVIL ENGINEERING,LAND PLANNING,SURVEYING,ENVIRONMENTAL SERVICES <br /> W <br /> c u July 31, 1997 <br /> RE.rsFIVED <br /> AUG 0 7 1997 <br /> Jerry Yoshiokai�IVfP®f�IVtTP�I Ht�i.TN <br /> San Joaquin County ,— r:, <br /> Environmental Health Division PERWi T 1 E <br /> 304 East Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> RE: ARCO AM/PM Facility Located at 2470 Grantline Road, Tracy, California <br /> Application for Underground Storage Tank Installation Permit- Additional Requirements <br /> ARCO FAC No. 6347 / Our Job No. 5951 <br /> Dear Jerry: <br /> The following are responses to the outstanding requirements noted in your review letter of July 29, 1997: <br /> 1. Specification sheets for: <br /> -Mechanical Lead Detector(Vaporless LDS-2000) (see enclosed manufacturer's cut sheet) <br /> - Tank Installation and Test Instruction(see enclosed manufacturer's data) <br /> -Dispenser Containment Sump (see enclosed manufacturer's cut sheet) <br /> 2. The inactive double-contained product siphon lines are terminated and capped inside the turbine <br /> side containment sumps of the tanks for possible future reconfiguration of products stored. <br /> There are no physical connections made to the tanks for these future lines. See details on Sheet <br /> TK3-2. <br /> 3. The OPW ball float valves will not interfere with the siphon operation of the tanks. The ball <br /> float valves are installed where the vent and Stage II vapor recovery headers connect to the top <br /> of the tanks. Their function is to prevent the tanks from overfilling and prevent product from <br /> flowing into these respective lines. <br /> 4. The exact configuration of the product, vent, and vapor recovery lines for this project are <br /> represented in the Site Plan TK1-1. Detail No. 10 on Sheet TK3-2 shows a "typical piping <br /> arrangement" at the tanks and is intended to be used as an additional guide for the installation <br /> and is not site specific. It is permitted for the contractor to vary from the design as indicated <br /> on the plans in terms of actual locations of piping runs as long as the intent of the design shown <br /> is maintained. As-built information as required from the contractor in the field installation <br /> varies from the design shown on Sheet TK1-1 and will be submitted upon project completion, <br /> for your records, if you so require. <br /> 5. Detail No. 10 on Sheet TK3-2 and Detail No. 5 on Sheet TK4-2 have been revised (see <br /> enclosed plans). <br /> 18215 72ND AVENUE SOUTH KENT,WA 98032 (425)251-6222 (425)251-8782 FAX <br />