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CONTACT I" cOR MORE INFORMATION! <br />Abidw 5555 Skylane Blvd., SL A / Santa Rosa, CA 95403 <br />Ph: (800) 688-3375 / Fx: (800) 700-1188 <br />www.westemfg.com <br />b. Observe water level for a minimum of 3 hours. <br />c. Water level shall not decrease more than allowable for normal <br />evaporation. <br />2) a. Fill interstitial space of sump within 4 to 6 inches of top. <br />b. Observe water level. <br />c. Water level shall not decrease more than allowable for normal <br />evaporation. <br />Interstitial space shall be tested by vacuum (5 bars) or pressure (2 psi) for a <br />minimum of 10 minutes. <br />BACKFILL REQUIREMENTS: <br />Sufficient backfill must be used below and along the sump side to provide <br />support and protection against ground movement. <br />TEST PROCEDURES FOR SINGLE WALL: <br />After the sump to tank fitting is completed, you shall test the integrity of your <br />seal. This is important to insure that the sump riser tube / tank bond will not <br />allow any contained fluid to leak. Check with local regulations for required <br />testing procedures. A common test procedure is to fill the sump with water <br />after the sump / tank bond has completely cured, usually overnight, and <br />observe bond seam for any leaks. <br />PLEASE NOTE: U.L. Listed sumps require a listed, approved, electronic <br />monitor/alarm system to be installed for operator notification in the event of <br />product leakage within sump area. <br />TEST PROCEDURES FOR DOUBLE WALL: <br />After completion of the sump body test as described above, you may test <br />the sump body interstitial space by applying no more than 2 psi to the port(s) <br />installed within the sump body. The annular space may also be tested using <br />liquid or vacuum. For test times or other requirements, always follow local <br />regulations and restrictions. <br />PLEASE NOTE: U.L. Listed sumps require a listed, approved, electronic <br />monitor/alarm system to be installed for operator notification in the event of <br />product leakage within sump area. <br />Page 32 of 38 <br />