Section SPS 341.19 - Preparation for internal inspection(1) GENERAL REQUIREMENTS. The owner or user of a boiler or a pressure vessel subject to inspection shall prepare the vessel for internal inspection after due notice from the certified inspector. To prepare a vessel for an internal inspection, all manhole plates, all wash-out plugs, and a sufficient number of handhole plates to permit a satisfactory inspection shall be removed. The shell and heads shall be thoroughly cleaned and exposed when so requested. Each steam boiler shall be thoroughly drained of water and all fire-side surfaces cleaned before an internal inspection is made.(2) PREPARATION PROCEDURE. The following procedure shall be required for preparation for inspection: (a) Before entering any part of a boiler that is connected to a common header with other boilers, the required steam or water system stop valves shall be closed, tagged and preferably padlocked, and drain valves or cocks between the 2 closed stop valves shall be opened. The feed valves shall be closed, tagged, and preferably padlocked, and drain valves or cocks located between the 2 valves shall be opened.(b) After draining the boiler, the blowoff valves shall be closed, tagged and preferably padlocked. Blowoff lines, where practicable, shall be disconnected between pressure parts and valves. All drains and vent lines shall be opened.(3) RIGHT TO REFUSE ENTRY. The certified inspector shall have the right to refuse to enter a boiler or pressure vessel if in the inspector's judgement it is unsafe to do so.Wis. Admin. Code Department of Safety and Professional Services SPS 341.19
Cr. Register, February, 1988, No. 386, eff. 3-1-88; am. (1), (3), Register, October, 1996, No. 490, eff. 11-1-96; CR 11-047: am. (1), (2) (a) Register May 2012 No. 677, eff. 6-1-12. Confined space rules are contained in chapter SPS 332 for public sector employees and in section 29 CFR 1910.146 of the federal Occupational Safety and Health Administration for private sector employees.