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PDFWAC 296-304-01009

Precautions for hot work.

(1) General requirements.
(a) Designated areas. You may designate areas for hot work in sites such as vessels, vessel sections, fabricating shops, and subassembly areas that are free of fire hazards.
(b) Nondesignated areas.
(i) Before authorizing hot work in a nondesignated area, you must visually inspect the area where hot work is to be performed, including adjacent spaces, to ensure the area is free of fire hazards, unless a marine chemist's certificate or shipyard competent person's log is used for authorization.
(ii) You must authorize employees to perform hot work only in areas that are free of fire hazards, or that have been controlled by physical isolation, fire watches, or other positive means.
The requirements of (b) of this subsection apply to all hot work operations in shipyard employment except those covered by WAC 296-304-02007.
(2) Specific requirements.
(a) Maintaining fire hazard-free conditions. You must keep all hot work areas free of new hazards that may cause or contribute to the spread of fire. Unexpected energizing and energy release are covered by WAC 296-304-120. Exposure to toxic and hazardous substances is covered in chapter 296-841 WAC, Airborne contaminants; chapter 296-802 WAC, Employee medical and exposure records; and WAC 296-901-140, Hazard communication.
(b) Fuel gas and oxygen supply lines and torches. You must make sure that:
(i) No unattended fuel gas and oxygen hose lines or torches are in confined spaces;
(ii) No unattended charged fuel gas and oxygen hose lines or torches are in enclosed spaces for more than fifteen minutes;
(iii) All fuel gas and oxygen hose lines are disconnected at the supply manifold at the end of each shift; and
(iv) All disconnected fuel gas and oxygen hose lines are rolled back to the supply manifold or to open air to disconnect the torch; or extended fuel gas and oxygen hose lines are not reconnected at the supply manifold unless the lines are given a positive means of identification when they were first connected and the lines are tested using a drop test or other positive means to ensure the integrity of fuel gas and oxygen burning system.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-304-01009, filed 9/5/17, effective 10/6/17. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-304-01009, filed 3/18/14, effective 5/1/14. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 07-05-062, § 296-304-01009, filed 2/20/07, effective 4/1/07; WSR 05-19-086, § 296-304-01009, filed 9/20/05, effective 12/1/05.]
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