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INSTALLATION H L( <br /> Xerxes Fiberglass Underground Storage Tank(s) — Singlewall And Doublewail <br /> The installing contractor must read the Installation Manual and complete the Installation Checklist to validate the Xerxes Warranty.The tank owner must retain a <br /> copy of the checklist and copies of all deviation authorizations to substantiate any future warranty claim. <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 ADDRESS <br /> Street City State 7JP <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 flats. <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 sin.Hole dimensions are correct per Installation Instructions for stable or unstable soil.Walls are safely sloped dr shored. <br /> E. Filter fabric used(select one): <br /> 1. Yes. <br /> 2. No. <br /> E 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 is level 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 to conform to wet or 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 to determine if the measured deflection is within allowable limits. <br /> TANK ALLOWABLE NOMINAL INSIDE <br /> DIAMETER DEFLECTION DIAMETER Verified by: <br /> (FT.) (IN.) SWT(IN.)DWT MEASUREMENTS <br /> 4' 1/2" 48" 48" <br /> I.D.before baddifling (A) <br /> 6' 3/4" 71-3/8" 70-5M- <br /> 81 1-1/4" 91-3/16" 90-5/8' I.D.after backfilling (B) MARK LOCATION OF <br /> 10' 1-1/2" 119-1/4" 118-1/2" DEFLECTIONS(A)-(B) DEFLECTION READINGS <br /> 12' 1-3/4" 136-5/8" — Measured at:0 End <br /> 0 Center <br /> CORPORATION <br /> 7901 XERXES AVENUE SOUTH, MINNEAPOLIS, MINNESOTA 55431 • PHONE(612) 887-1890 <br /> 1-9-92 <br />