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Finn Design Group, Inc. <br />Structural Engineers <br />FDG <br />s� <br />June 15, 2011 <br />West Valley Auto Spa, Inc. <br />2615 West Grant Line Road <br />Tracy, CA 95304 <br />Attention: Ms. Linda Hall <br />3t'4 . <br />corY <br />5000 Hopyard Road, Suite 300 <br />Pleasanton, CA 94588 <br />(925) 737-1600 <br />(925) 737-1601 FAX <br />Subject: Proposal to Provide Structural Engineering Services <br />\ _Structural Tank Assessment for West Valley Auto Spa, Inc. <br />Foster City, California <br />Ms Hall, <br />Finn Design Group is pleased to provide the following proposal to provide structural <br />engineering services for the subject project. The project involves the preparation of a Seismic <br />Hazard Survey Report relating to the above ground oil storage tank at the project site. The tank <br />is approximately 3 feet deep, six feet tall, and 18 feet long, and is situated at the north end of <br />the Lube building, up against the inside face of the exterior wall. The tank is used to store both <br />used oil and various types of new oil, as well as transmission fluid and gear oil. The tank has <br />been identified by the San Joaquin County Environmental Health Department as one requiring a <br />hazardous waste tank assessment, in accordance with the Aboveground Petroleum Storage Act. <br />The purpose of the assessment is to ensure that the foundation, structural support, seams, and <br />connections are adequately designed and that the tank system has sufficient structural strength, <br />compatibility with waste oil that is transfetTed, stored, or treated and corrosion protection so <br />that it will not collapse, rupture or fail. <br />Finn Design Group proposes to provide the following scope of work: <br />Survey & Reaort <br />Perform a visual survey of the Oil Storage Tank at the facility, focusing on 1) the adequacy <br />of its support and seismic anchorage, and 2) the construction and condition of its materials, <br />seams, connections and corrosion protection. <br />Prepare a written Structural Assessment Report, including digital photographs and <br />recommendations for further action (if any). If the tank appears to have sufficient structural <br />integrity, the Report will attest to this. The report will by stamped and signed by a <br />Professional Structural Engineer licensed by the State of California. <br />Respond to questions from reviewing agencies in order to clarify and/or discuss our <br />findings and recommendations. <br />4V . <br />