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San Joaquin County <br /> OP�'UIN' .0 Environmental Health Department DIRECTOR <br /> Donna Heran, REHS <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205-6232 PROGRAM COORDINATORS <br /> I .[ Robert McClellon, REHS <br /> Jeff Carruesoo,REHS, RDI <br /> Kasey <br /> • Cq., :,. �P • Website: www.sjgov.org/ehd Linda Foley, RENS <br /> Linda Turkatte,REHS <br /> Phone: (209)468-3420 <br /> December 6, 2012 Fax: (209) 464-0138 <br /> Briana L. Armstrong <br /> Barghausen Consulting Engineers, Inc. <br /> 1821572 nd Avenue South <br /> Kent, Washington 98032 <br /> Re: Costco #38, 1616 E Hammer Lane, Stockton, CA 95210 SR0066145 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the application <br /> for a permit to install a Lubrizol tank and retrofit the existing sumps on the underground storage <br /> tank (UST) system at the above noted address. Please address the following items and send <br /> updates to the EHD to complete the application. The permit application is not approved at this <br /> time. <br /> 1. The Lubrizol tank interstitial sensor is labeled several different ways: "hydrostatic sensor- <br /> single float", 794380-302 in page T-5 of the plans and 794380-303 on the application page 8. <br /> The Lubrizol tank monitoring plan and map lists 794380-303. <br /> The 302 and 303 sensors are "hydrostatic sensor-dual float'. Correct the sensor description <br /> on page T-5 of the plans and make the sensor number the same on the application and the <br /> plans. Update the Lubrizol tank monitoring plan as needed. <br /> We require a dual float sensor. <br /> 2. The overfill prevention method indicated in the UST monitoring plan comments section for <br /> the Lubrizol tank is "Audible and visual alarm set at 90% of tank capacity". <br /> This statement contradicts page 7 of the application which states an OPW 61fSTOP-2000 <br /> mechanical valve will be used for overfill prevention. <br /> Please indicate in the application if both overfill prevention methods will be used and if an <br /> external audio/visual alarm will be used for overfill prevention. <br /> 3. Please indicate on page 7 of the application regarding the deadmen tiedowns, what material <br /> will be used to coat the steel components of the tiedowns to prevent corrosion? <br /> 4. Items 32-36 and 38 on page T-5 of the plans are Bravo brand penetration fittings for double- <br /> walled sumps. The manufacturer's cut sheet provided was for single-walled fittings. Please <br /> provide the double-walled cut sheets for the Bravo penetration fittings. <br />