(1) All gas piping must be adequately supported by galvanized or equivalently protected metal straps or hangers at intervals of not more than four feet, except where adequate support and protection is provided by structural members.
(2) Gas pipe supply connections must be rigidly anchored to a structural member within six inches of the supply connections.
[Statutory Authority: RCW
43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, § 296-150C-1400, filed 10/23/96, effective 11/25/96.]