WAC 296-150V-1400
WAC 296-150V-1400. What are the gas piping hanger and support requirements for a conversion vendor unit or medical unit?
(1) All gas piping must be adequately supported by galvanized or equivalently protected metal straps or hangers at intervals of not more than 4 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 6 inches of the supply connections.