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WAC 296-874-30028: Take precautions while welding

Published: 2015

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WACs > Title 296 > Chapter 296-874 > Section 296-874-30028



Agency filings affecting this section

WAC 296-874-30028

Take precautions while welding.

You must do the following to protect employees while welding on suspended scaffolds: (1) Use an insulated thimble to attach each suspension wire rope to its hanging support, such as a cornice hook or outrigger; (2) Insulate excess suspension wire rope and any additional independent lines to prevent grounding; (3) Cover the wire suspension rope with insulating material that extends at least four feet (1.2 m) above the hoist; (4) Make sure any tail line that extends below the hoist is: (a) Insulated to prevent contact with the platform; and (b) Guided or retained so it does not become grounded. (5) Cover each hoist with an insulated protective cover; (6) Connect the scaffold to the structure using a grounding conductor that: (a) Is at least the size of the welding process work lead; and (b) Is not in series with the welding process or the work piece. (7) Shut off the welding machine if the scaffold grounding lead becomes disconnected; (8) Make sure an active welding rod or an uninsulated welding lead is not allowed to contact the: (a) Scaffold; or (b) Scaffold suspension system. [Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-30028, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-01-054, § 296-874-30028, filed 12/7/04, effective 3/1/05.]