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w <br /> PATRELL <br /> ENGINEERING <br /> GROUP, INC. <br /> 751 Sunny Grove Ln. • Glendora, CA 91741 . PH: (626) 335-4362 • FAX (626) 963-4812 <br /> MAIN DRAIN SUMP AND GRATE CERTIFICATION <br /> Pool Name: Saint Mary's High School <br /> Address: 5648 N. El Dorado Street <br /> City: Stockton, California 95.207 <br /> Drain Description: Main Drains <br /> Drain Make: 24"x 48"Strongwell Duradek I-4000 Series Grating <br /> Grates are Certified as Unblockable <br /> I certify that I have evaluated the main drains in the above mentioned Swimming Pool. This evaluation <br /> 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 completed at the <br /> above-mentioned swimming pool. I certify that I have reviewed the remedial work that has been <br /> performed on these main drains and found the work has been completed in accordance with that <br /> recommended from my evaluation. <br /> Therefore, as a Registered Professional Engineer in the State of California, I certify that the main <br /> drains, including the sump, piping and grates in the above mentioned pool are in compliance with the <br /> ASME/ANSI Al 12.19.8a-2008 and ASME/ANSI All 12.19.8-2007 Standards, more commonly known as <br /> 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 rates of the <br /> wbove-menficned sw;rrrr;n^ nnC! main Serve ton „v.ir♦ t";s certlficaticn N -te, -are to remain firm! t <br /> anchored in place while the pool is filled, and are to be kept clean of debris in keeping with proper <br /> maintenance standards. Prior to performing any alterations to the above-mentioned swimming <br /> pool that may, in some way, affect or alter the performance of these certified main drains, this <br /> is to be notified and a review scheduled.. <br /> '000f <br /> �oQ,OF ESSIO <br /> Do . Ferrell P.E. <br /> pct J��S R. <br /> Principal ° M <br /> Patrell Engineering Group, Inc af Nv.C32994 <br /> 751 Sunny Grove Lane Exp.6/12 <br /> Glendora, CA 91741 Clvl�_ <br /> (626) 335-4362 <br /> -7/''--OF <br /> Date: May 25, 2011 <br />