COMPLIANCE INFO_2001-2004 - Laserfiche WebLink

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C. Tank handling: 1. Do not drop, roll or impact. 2. Chock tank until ready for installation and tie it down if high winds are expected. 3. Use minimum 1/2 inch diameter nylon or hemp rope over each tank end and tie to adequate size stakes driven into ground or other means to assure adequate hold-down, prior to installing tank in excavation. 4. Guide tank with guidelines. 5. Set tanks on smooth ground free of rocks and foreign objects and rechecked for damage to corrosion protection coating. D. Excavating and Backfilling Underground Fuel Storage Tank: 1. Locate all overhead and underground utilities before excavating. Provide adequate protection to the utilities near the excavation and work around utilities without damaging utilities. Repair any utilities damaged due to excavating to the State's satisfaction at no cost to the State. 2. Minimum Excavation Size: 2 feet longer than tank length; 2 feet wider than tank diameter. 3. Bed and Backfill Material: Naturally rounded aggregate, clean and free flowing with particle size not greater than 1/2 inch in diameter should be used. This is commonly called pea gravel. 4. Slope of Excavations: Shored or sloped in accordance with requirements of Title 8, Division of Industrial Safety Codes and Regulations. 5. Testing: a. Tests made by State: The State may test and retest materials at their source, stockpiled on job site, or installed in work, at any time as necessary. State will pay for such initial tests. b. Test made by Contractor: Contractor shall arrange for the following tests by recognized laboratory. Contractor shall pay for such tests and furnish two copies of laboratory's test results as soon as possible. Contractor shall pay for any retesting required to meet test criteria. 1) One compaction test for each contiguous 100 square foot (or portion thereof) at each 12 inch lift (or portion thereof) of required compaction area per California Test 216 or 231. Tests shall be made in areas and at time designated by State. 2) One compaction test for every 100 lineal feet (or portion thereof) of backfilled trench per California Test 216 or 231. Tests shall be made in areas and at time designated by State. c. Certificate or Compliance: Unless actual testing is specified, submit certificate of compliance attesting that materials conform with requirements of specifications. d. Contract Test Requirements: When State tests indicated nonconformance with contract requirements, Contractor shall have materials or installed work tested by recognized laboratory and pay all costs. Testing required or retesting ordered by Contractor to determine compliance with contract requirements shall be paid for by Contractor. e. Samples for Testing: When tests are required, provide State with adequate samples of materials proposed for use, at least 28 days prior to date of intended use. Furnish 2 molded concrete test cylinder specimens to State for 7 -day compression test, and one cylinder for 28 -day compression test. Specimens shall comply with ASTM C31. f. Defective Materials: Materials failing to meet laboratory tests and contract requirements shall not be used. Defective material stockpiled on premises shall be immediately and permanently removed. E. Anchor Slab: 1. Install anchor slab level. UNDERGROUND FUEL STORAGE TANK 070601:HTLac:cw 13215 - 19 CH 107517 / 10751.8