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                                            ENGROSSED SENATE BILL 5780

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State of Washington                              53rd Legislature                             1993 Regular Session

By Senators Sutherland, Hochstatter, Snyder, Sellar, Amondson, Vognild and Bauer

Read first time 02/12/93.  Referred to Committee on Energy & Utilities.

Authorizing the board of boiler rules to prescribe extended inspection schedules for power boilers.

          AN ACT Relating to authorizing the board of boiler rules to prescribe extended inspection schedules for power boilers; and amending RCW 70.79.240 and 70.79.250.

BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF WASHINGTON:

        Sec. 1.  RCW 70.79.240 and 1951 c 32 s 22 are each amended to read as follows:

          Each boiler and unfired pressure vessel used or proposed to be used within this state, except boilers or unfired pressure vessels exempt in RCW 70.79.080 and 70.79.090, shall be thoroughly inspected as to their construction, installation, condition and operation, as follows:

          (1) Power boilers shall be inspected annually both internally and externally while not under pressure ((and)), except that the board may, in its discretion, provide for longer periods between inspections if the contents, history, or operation of the power boiler or the material of which it is constructed warrant special consideration.  Power boilers shall also be inspected annually externally while under pressure if possible;

          (2) Low pressure heating boilers shall be inspected both internally and externally biennially where construction will permit;

          (3) Unfired pressure vessels subject to internal corrosion shall be inspected both internally and externally biennially where construction will permit, except that the board may, in its discretion, provide for longer periods between inspections;

          (4) Unfired pressure vessels not subject to internal corrosion shall be inspected externally at intervals set by the board, but internal inspections shall not be required of unfired pressure vessels, the contents of which are known to be noncorrosive to the material of which the shell, head, or fittings are constructed, either from the chemical composition of the contents or from evidence that the contents are adequately treated with a corrosion inhibitor, provided that such vessels are constructed in accordance with the rules and regulations of the board or in accordance with standards substantially equivalent to the rules and regulations of the board, in effect at the time of manufacture.

        Sec. 2.  RCW 70.79.250 and 1951 c 32 s 23 are each amended to read as follows:

          In the case of power boilers a grace period of not more than two months longer than the ((twelve months)) period ((may)) between inspections prescribed by the board shall elapse between internal inspections of a boiler while not under pressure or between external inspections of a boiler while under pressure; in the case of low pressure heating boilers not more than twenty-six months shall elapse between inspections, and in the case of unfired pressure vessels not more than two months longer than the period ((between inspections prescribed by the board)) established by the board under RCW 70.79.240(1) shall elapse between internal inspections.

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