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Handling & Preparation - Bed and BackfiA, B LIFTING CSI DEADMEN 1.. iB. BED AND BACKFILL I Use only the anchor points when lifting and Not using approved backfill material may result positioning CSI deadmen.Failure to do so could result in death or serious injury. in tank failure and environmental contamination. The use of approved backfill material is critical • Insure lifting equipment is rated to handle the load to long term tank performance. before lifting. For deadmen sizes and weights use Do not mix approved backfill with sand or native soil. Table A-5. • Lift deadman using a minimum of two equally spaced Do not backfill tank with sand or native soil. anchor points. Replace all excavated native soil with approved • The angle from the deadmen to the lifting equipment backfill of proper size and gradation. Use backfill should always be between 600 and 900(see Figure A-4). which meets ASTM C-33 for quality and soundness. • Require your backfill supplier to certify, with a sieve Figure A4 analysis, that the backfill meets this specification. 1 Sieve analysis must be attached to the Tank T Installation Checklist. • Keep backfill dry and free of ice in freezing conditions. Anchor PointLifting Chain or Sling Use only approved pea gravel or crushed stone A6090' (see Figure B-1): Figure B-1 •4; .. �► •'.'► �.� �• ;►.•;►: • ► + PEA GRAVEL CRUSHED STONE • The deadmen type, lengths, and the number of anchor points are dependent upon the tank diameter, model 3/4" v and capacity. 1/2„ (19 mm) (12 mm) • Refer to Supplemental Documents(Section R)for additional information on deadmen anchors. TABLE A-5 Maximum Size Maximum Size Deadmen Anchors Length (ft) Weight 3/4rr 12"x 12" 18"x 8" Pounds Kilograms 12 1,655 750 1�2 r 16 2,250 1,020 18 2,550 1,156 20 2,850 1,293 Pea Gravel: Crushed Stone or Gravel: 14 1,686 765 18 2,100 952 Clean naturally-rounded Washed,with angular aggregate with particle particle sizes no larger 22 2,500 1,134 sizes no larger than%" than 'A"with no more with no more than 5% than 51/6 passing a LIFTING TANK SUMPS OR RISERS passing a#8 sieve. #8 sieve. • usually inspect the sump components for shipping Dry density must be a Dry density must be a damage. If damage is found, contact CSI Field minimum fo t. pounds minimum fo t. pounds 9 9 per cubic foot. per cubic foot. Service. • Wear gloves. Note: If material which meets these specifications is not • Do not roll,drop or bounce. available, contact Tank Technical Support for information • Set on smooth surface. on approved alternate materials and installation • The sump must be secured to prevent damage from instructions. Using other backfill without Containment Solutions'prior written approval will void the tank high winds. warranty and may result in tank failure. • Refer to Supplemental Documents(Section R)for additional information on tank sumps. s