Section 460.20330. Prevention of accidental ignition.

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Rule 330. In addition to the requirements contained in 49 C.F.R.§192.751, which is adopted by reference in R 460.20606, before welding in or around a vault, pit, or other structure or area containing gas facilities, an operator shall make a thorough check to determine the possible presence of a combustible gas mixture. Welding shall begin only when safe conditions are indicated.

History: 1998-2000 AACS.

                    
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