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Architect <br />John B. Hicks <br />Vice President <br />A R C H 1 '1' E C T U R L - E N G I N E L' R I N G - E N V I R O N 41 E N T A L S E R V I C E S <br />11.37 North McDowell Boulevard, Petaluma, CA 94959-1110 Telephone: (707) 765-1660 Facsimile: (707) 765-9908 <br />August 20, 2003, Amended 9/17/04 <br />S. Bravo Systems, Inc. <br />2929 Vail Avenue <br />Conunerce, CA 90040 <br />RE: STATE REGISTERED PROFESSIONAL ENGINEER APPROVAL <br />CCR Title 23 Division 3, Chapter 16, Section 2631(d) <br />CCR Title 23 Division 3, Chapter 16 Section 2636(h) Secondary Containment <br />Design, Construction and Installation & Section 2637 Secondary Containment <br />Testing. <br />Cecil <br />BRAVO DOUBLE WALL UNDER DISPENSER CONTAINMENT WITH <br />ircel'miderrt r Spencer DOUBLE WALL PENETRATION FITTINGS, MODELS 84000 -B -AB, B- <br />5000 -D -AB, B -8000 -BD -AB & B -9000 -D -AB. <br />RegimalManagers I have examined and reviewed the following items on the Bravo double wall under - <br />Jesse E. Macias dispenser containment with double wall penetration fittings: <br />Roy W. Pedro 1. Double wall under dispenser containment installation Guide and Maintenance <br />Alan K. Shimabukuro Instructions for listed products. <br />John W. Strobel 2• Testing and Monitoring Instructions for the listed products. <br />3. Double wall containment dispenser illustrations. <br />Blythe R. Wilson 4, Illustrations and drawings of B -17-D and B -33-D Flexible Double Penetration Fittings <br />that interconnect with the interstitial space of the double wall dispenser containment <br />and are tested with the interstitial space of the dispenser sump. <br />5. A section removed from a double wall dispenser containment for inspection of the <br />construction and for determination of the volume of the interstitial space. <br />6. Bravo standard Dispenser Containment water testing instructions dated 9/27/01. This is <br />an alternate for non -double wall dispenser containment. <br />7. Material Data Sheet for interstitial fluid used for continuous monitoring of the Bravo <br />® UDS interstitial space. <br />8. The sensor for monitoring the interstitial space is furnished by others. <br />9. Chemical compatibility data for Dion ISO 6631 <br />10. Chemical compatibility for Derakane 411 <br />11. UL letter with test record dated 9/12/04 on annulus proof pressure/vacuum test. <br />Upon review the materials and construction it is my opinion and conclusion that sound <br />engineering design and engineering of these products provide an in-place system that will <br />Offices provide the required secondary containment and allow continuous vacuum or hydrostatic <br />ANAHEIM, CA <br />monitoring of the containment interstitial space including the sump penetration fittings. <br />/ <br />BELLEVUE, WA <br />.AMAS, WA James H. Ray J <br />WARTINEZ, CA Sr. Civil Engineer' �oH <br />v , <br />'ETALUMA, CA <br />tOSEVILLE, CA No. 24.519 70 <br />63 <br />iCOTTSDALE, AZ <br />C:ICI V ILUrdPARTYIBRAVOkDW UDC0903-R l .doc <br />rwucrbldesign.com <br />