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7PYT <br /> TAIT&ASSOCIATES,INC. <br /> COIV5t1 ING ENGIMEERS _ Civif 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 /> RE: 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.D. Smith in Manual #132164, <br /> dated July 15, 1996. During discussions with the Health Department the following <br /> issues were clarified: <br /> a) Th. i.,pact valves at dispenser sumps arc to be rcmoved and the flex <br /> connector capped prior to testing system. <br /> b) Test to be run to 375 psi and in conjunction with A.a. 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 /> ❑[her Locations orange,CA • San Diego,CA • Concord,CA Phoenix,AZ • Tucson,AZ <br /> Established 1964 <br />