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1 <br /> PATRELL <br /> ENGINEERING`' <br /> GROU. q INC <br /> MAIN DRAIN SUMP AND GRATE CERTIFICATION <br /> Pool Name: Tokay High School <br /> Address: 111 W. Century Blvd. <br /> City: Lodi, California <br /> Drain Description: Competition Swimming Pool Main Drains <br /> I certify that I have evaluated the main drains in the above mentioned Swimming Pool. <br /> This evaluation has included: <br /> 1. Determination of the overall dimensions of each drain sump. <br /> 2. Determination of the size and location of the piping entering the sump. <br /> 3. Determination of the anticipated peak flow (GPM) exiting the sumps. <br /> Based upon the results of my evaluation, remedial work to the main drains has been <br /> completed at the above-mentioned swimming pool. I certify that I have reviewed the <br /> remedial work that has been performed on these main drains and found the work has <br /> been completed in accordance with that recommended from my evaluation. <br /> Therefore, as a Registered Professional Engineer in the State of California, I certify that <br /> the main drains, including the sump, piping and grates in the above mentioned pool are <br /> in compliance with the ASME/ANSI Al 12.19.8-2007 Pool Safety Standards, more <br /> commonly known as the Virginia Graeme Baker Pool and Spa Safety Act. <br /> Any changes to the configurations of the drains, the secured grates, the piping or flow <br /> rates of the above-mentioned swimming pool may serve to void this certification. All <br /> grates are to remain firmly anchored in place while the pool is filled, and are to be kept <br /> clean of debris in keeping with proper maintenance standards. Prior to performing <br /> any alterations to the above-mentioned swimming pool that may, in some way, <br /> affect or alter the performance of these certified main drains, this office is to be <br /> nqlWe4 and a review scheduled.. <br /> QROFESSIpNq <br /> 5 F2 <br /> 0 No.C32994 `� m <br /> Douglas R. Ferrell P.E. W <br /> Principal Exp.6119 <br /> Patreli Engineering Group, Inc *s CIVIL P <br /> 751 Sunny Grove Lane qTF of CN-\V ' <br /> Glendora, CA 91741 <br /> (626) 335-4362 Date: July 27, 2009 <br /> 751 Sinn-, lo�,- I.n_ e. Glern doer. CA _"'i-',I) r-i � •:_.:.j ' -I. c , <br />