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■ <br />TAiT &ASSOCIATES, INC. <br />CONSULTING ENGINEERS Civil • Planning • Surveying - Environmental <br />February 9, 1999 <br />Via: Fax U.S. Mail <br />Jim Cornell <br />Stockton Service Station Equipment Company, Inc. <br />808 N. Union Street <br />Stockton, CA 95205 <br />San Joaquin County Corporation Yard <br />Primary Underground Piping <br />TAIT Job SP3952 <br />Dear Mr. Cornell: <br />As a result of discussions between the Public Works Department and the Health Department <br />regarding the fiberglass piping installation, it was determined that the project will only be <br />allowed to continue once the following action is taken to rectify the concerns of the above <br />Departments due to the appearance of the installation. <br />The quantity of glue at the joints concerns the Departments and does not appear to be in <br />compliance with the manufacturer's installation instructions. The action that will satisfy the <br />County inspectors is as follows: <br />Required Action <br />Perform a hydrostatic cyclic test as recommended by A.Q. Smith in Manual #132160, <br />dated July 15, 1996. During discussions with the Health Department the following <br />issues were clarified: <br />a) The impact valves at dispenser sumps are to Ve removed and the flex <br />connector capped prior to testing system. <br />b) Test to be run to 375 psi and in conjunction with A.O. Smith Test <br />Procedure (Section 1.7.2 of above -referenced manual). <br />C) Test shall be run on 1) Gasoline Primary, 2) Diesel Primary, and 3) <br />Diesel Satellite product lines. The cyclic pressure test is not required on <br />the vent and vapor recovery lines. The pressure is to be kept on each <br />individual system without pressure fluctuation for one hour prior to <br />system obtaining approval. <br />d) Once cyclic pressure is complete and systems are deemed tight, the <br />impact valves shall be reinstalled, and the air pressure test per the <br />project -approved plans would need to be completed prior to final primary <br />system approval. <br />2880 Sunrise Boulevard. - Suite 206 • Rancho Cordova, CA 95742 (916) 635-2444 • (916) 635-2606 FAX <br />Other Locations: Orange, CA • San Diego, CA - Concord, CA • Phoenix, AZ • Tucson, AZ <br />Established 1964 <br />