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M <br />INSTALLATION ,CHECKLIST <br />Xerxes Fiberglass Underground Storage Tanks) : $inglewall.And Doublewall <br />installing contractor must read the Installation Manual and complete the Installation Checklist to validate the Xerxes Warranty. The tank owner must retain a <br />uupy of the checklist and copies of, ali,deviation au qns to substa�ate ariy future warranty claim. <br />" <br />" =TANK DIAMETER Fl: CAPACITY GAL <br />0 SINGLE WALL' 0 DOUBLE WALL <br />INSTALLATION DATE(S) <br />TANK U.L. NUMBER <br />SITE OWNER <br />SITE ADDRESSGtY state Zip <br />street <br />INSTALLATION CONTRACTOR <br />INSTALLATION SUPERVISOR <br />PRIOR TO INSTALLATION:Verified by: <br />A. Visual inspection. No evidence of damage (holes, cracks, deep scrapes),in domes, ribs or fiats. <br />B. Physical testing. Completed in accordance with current Xerxes installation Instructions (pressurization and soap test). <br />C. Backfill material (indicate material type). <br />1. Pea Gravel or Crushed Stone, per specification in installation Instructions. <br />2. Other (requires specific approval by Xerxes Corp.) Describe: <br />D. Excavation size. Hole dimensions are correct per installation Instructions for stable or unstable soil. Walls are safely sloped or shored. <br />E. Titer fabric used (select one): <br />1. Yes. <br />2. No. <br />F. Hole conditions (select one): <br />1. Dry hole. Ground water elevation not anticipated to reach tank and area not subject to flooding: (Dry hole installation) <br />2. Wet hole. Ground water elevation expected to reach tank or area subject to flooding. (Wet hole installation) <br />G. Traffic load (select one): <br />1. Traffic loading anticipated. <br />2. No traffic loading. <br />DURING INSTALLATION: Verified by: <br />A. Backfill material bed islevei and at 12" (300mm) minimum depth over, native soil or slab prior to setting tanks in place. <br />B. Tanks set in place with correct spacing from wall and other tanks. <br />C. Deadmen and tie downs positioned and secured in accordance with Installation Instructions. (Wet hole installation) <br />D. Backfill material tamped and compacted to fill all voids around tank <br />E. Tank properly ballasted during backfill.. Wet hole installation only) <br />F. Tank(s) buried at proper depth toy`conform to wet`pr dry hole; traffic or no traffic conditions. <br />POST -INSTALLATION TESTING: <br />Physical testing. Completed in accordance with current Xerxes Installation instructions (pressurization and soap test). <br />Visually inspect the tank for any signs (cracks, holes, indentations) of physical damage. <br />MEASUREMENT OF DEFLECTIONS: <br />All tanks must be measured to determine vertical deflection using the procedure listed In Section 13. Compare the calculated value to <br />the values listed below 6 determine if the measured deflection Is wnthun allpwwablelimds. <br />TANK ALLOWABLE fft1MINAl.IRISIDE Verified by: , <br />DIAMETER DEFLECTION DIAMETER <br />(FT }(IN.) DWT : ".? �. MEASUREMENTS <br />I.D. before backfilling (A) <br />6 3/4" 71- 3/6" 70-5/8. I.D. after bac�Cfilling (B) MARK ON OF <br />6. 1-1/4" 91;=3/16"- pEFLECTIONS(A)-(B) DEFLECTION READINGS. <br />10' 1-1/2" 1191/4" 11$=1/2" <br />17 1- 3/4" 136 5/6" <br />Measured 9 0 End <br />�, ❑Center <br />t k <br />,. MYR�FInt ®fit <br />7901 XERXES AVENUE SOUTH, MINNEAPOLIS,MINNESOTA 55431 • PHONE (612) 887-1890 <br />2-15-93 <br />