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Date: To: From: ID Subject: S. Bravo Systems, Inc. 2929 Vail Avenue Commerce, CA 90040 February 8, 2006, March 161h,2006, Rev July 22, 2009. To Whom It May Concern Don Mukai, P.E. Bravo Engineering Testing Procedures for Bravo Double Wall UDC, Vent Transition and Tank Sumps per California AB -2481 requirements. To Whom It May Concern: Factory Pre -Testing Bravo Double Wall Sumps from Bravo's factory to Job Site are kept under a 20" HG Continuous Vacuum Test NOTE: Before starting any job always refer to installation instructions to review steps. Contractor Pre -Testing 3. After installing penetrations and allowing their adhesive material to cure, install a stub / dummy pipe in each penetration fitting or complete fiberglass joint on Double Wall sump. Using the factory- installed pressure/vacuum combination gauge apply pressure gradually with manual air pump to the UDC / Vent Transition sump & Tank Sumps 4 PSI and soap ALL fittings and any field joints inside and outside. 4. Typically tests are a minimum 2 hour test in which the air within the interstitial space must acclimate to the outside air temperature. After the first hour then pressure is recorded. The installing contractor must verify no bubble leaks and that there is no pressure decay. Longer tests such typically 24 hrs are highly recommended by Bravo. This assure installations are conducted in a thorough manner. 5. A vacuum test may also be conducted to test the sumps but soaping is not advised as this may pull soap in to sump interstice. Typically sumps vacuum tests to 15- 1 This Continuous Testing is part of Bravo's warranty in which the contractor must fax Bravo 323-8884133 a copy with the recorded vacuum reading and date 12"HG or above. This assures that all Fax: 323-8884123 boxes are in perfect condition at various points in the installation. E-mail: 2. Bravo Double Wall sumps primary mode of testing is air pressure. Typically a Contractor Infonasbravo.com Pre -Test will be completed at key points in the installation such as after setting the box in the ground, applying first fiberglass joint to tank sumps and installing penetration fittings. Website: Depending on the local regulatory requirements the sump may be Regulator Tested under hq://www.sbravo.com vacuum pressure or hydrostatically tested at the end of installation just prior to back filling sumps with pea gravel. This does not mean to fill the sump with water. Fluid is meant for the interstitial space only. NOTE: Before starting any job always refer to installation instructions to review steps. Contractor Pre -Testing 3. After installing penetrations and allowing their adhesive material to cure, install a stub / dummy pipe in each penetration fitting or complete fiberglass joint on Double Wall sump. Using the factory- installed pressure/vacuum combination gauge apply pressure gradually with manual air pump to the UDC / Vent Transition sump & Tank Sumps 4 PSI and soap ALL fittings and any field joints inside and outside. 4. Typically tests are a minimum 2 hour test in which the air within the interstitial space must acclimate to the outside air temperature. After the first hour then pressure is recorded. The installing contractor must verify no bubble leaks and that there is no pressure decay. Longer tests such typically 24 hrs are highly recommended by Bravo. This assure installations are conducted in a thorough manner. 5. A vacuum test may also be conducted to test the sumps but soaping is not advised as this may pull soap in to sump interstice. Typically sumps vacuum tests to 15-