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0.7/15/2008 16:35 FAX 510 614 8596 PARADISO MECHANICAL 1&007 <br /> T <br /> James H. Ray <br /> CIVIL ENGINEER <br /> 2041 Hidden Valley Drive <br /> Santa Rose.CA 95404 <br /> 707480-8115 <br /> April 21,2008 <br /> Western Fiberglass. Inc. <br /> 1555 Copper Hill Parkway <br /> Santa Rosa,CA 95403 <br /> RE= UNDER-DISPENSER SPILL CONTAINMENT OR CONTROL SYSTEM <br /> WESTERN FIBERGLASS <br /> UDC TRANSITION CONTAINMENT FRAME I <br /> FIBERGLASS VERSION AND FLEXIBLE VERSION <br /> 12EVIEW BY STATE REGISTERED PROFESSIONAL ENGINEER <br /> This System is designed to maintain the integrity of the existing wider dispenser <br /> containment structure when a replacement larger dispenser is installed over an existing <br /> small dispenser containment sump. <br /> I have examined and reviewed the following items and material: <br /> 1. Examined the Fiberglass Version of the UDC Transition Containment Frame. <br /> 2. Examined the Flexible Version of the UDC Transition Containment Frame, <br /> 3_ Reviewed a copy of the Document Review List submitted to SWRCS for the <br /> fiberglass Item 1 <br /> 4. Reviewed a copy of the Document Review List submitted to S WRCB for Item 2 j <br /> including Petro Gard VI Chemical Compatibility Chart and Performance <br /> Sped£cation. <br /> 5. Field Installation Manual <br /> 6. Maintenance Guidelines <br /> I <br /> Upon review of the materials and construction it is my opinion and conclusion that sound <br /> engineering and design of the products allow for the replacement of an existing dispenser <br /> leaving the existing under-dispenser containment in place. <br /> /v /V Q0.�FES9/ppl. <br /> �PaEs H, <br /> � I <br /> I <br /> lames H_ Ray <br /> Civil Engineer ED/.�.3%•O% <br /> C VIL yri <br /> OF m <br />