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Q <br /> "QU'" ti S A N J O A Q U I N Environmental Health Department <br /> N' COUNTY Jasjit Kang , REHS , Director <br /> 1pce <br /> iFoGreatness grows here . Muniappa Naidu, REHS , Assistant Director <br /> a? <br /> PROGRAM COORDINATORS <br /> Jeff Carruesco , REHS , RDI <br /> Willy Ng , REHS <br /> Steven Shih , REHS <br /> Michelle Henry , REHS <br /> Elena Manzo , REHS <br /> March 29 , 2023 Natalia Subbotnikova , REHS <br /> Robert Velasco <br /> A & S Engineering <br /> 28405 Sand Canyon Rd , Ste B <br /> Canyon Country , CA 91387 <br /> roberty@asengineer. com <br /> Re : ARCO 02093 SR0086421 <br /> 3425 Tracy Blvd , Tracy , CA 95376 <br /> The San Joaquin County Environmental Health Department ( EHD) has completed the review of the <br /> application for a permit to do the following on the underground storage tank ( UST) system at the above <br /> noted address : <br /> • Remove existing and install 4 new under dispenser containment sumps ( UDCs) <br /> • Install new conversion frames at all 4 dispensers <br /> • Replace portion of all product piping located at 03 on Sheet S2 on the plans . <br /> • Remove and re- install existing UDC sensors <br /> The permit has been approved with the following conditions : <br /> 1 . Contact the local fire department , the San Joaquin Valley Air Pollution Control District , and the <br /> San Joaquin County Community Development Department for any applicable permits and <br /> requirements . <br /> 2 . Any changes in information and scope of work must be submitted to EHD for approval prior to <br /> commencing work . All new addenda supersede the previous ones . <br /> 3 . Provide written notification to ust( slgov . org to arrange the following appointments (a 48- hour <br /> notice is required for inspection appointments) . <br /> a . Witness soil and/or water sampling under removed piping and UDCs <br /> b . Primary piping test : Soap test of all piping joints and penetrations ( product) , and <br /> pressure testing — hydrostatically at 150 % of design operating pressure or <br /> pneumatically at 110 % of operating pressure . If the calculated test pressure is less than <br /> 40 psi , 40 psi shall be used as the test pressure . Testing must be conducted in <br /> accordance with manufacturer specifications and California Code of Regulations ( CCR) <br /> Title 23 . <br /> c . Secondary piping test : Soap test of all piping and penetrations ( product) , and pressure <br /> test , in accordance with manufacturer specifications . <br /> d . Verification of secondary piping slope for all piping ( product) at 1 /8 inch per foot or <br /> greater , to a containment sump with an audible and visual alarm . Piping slope must be <br /> adequate at the start of this inspection , with all piping in its final position and ready to be <br /> backfilled without adjustments per the manufacturer' s installation instructions . <br /> e . Verification of all pipe setbacks , cross-overs , and burial depth , in accordance with <br /> manufacturer specifications , and verification of appropriate piping backfill . <br /> f. Integrity testing of all new installed UDCs , in accordance with manufacturer <br /> specifications . <br /> 1868 E . Hazelton Avenue I Stockton , California 95205 T 209 468-3420 F 209 464 -0138 1 www . sjgov . org/ehd <br />