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WAC 296-874-30044

Meet these requirements when using single-point adjustable suspension scaffolds.

(1) You must make sure two scaffolds that have been combined to form a two-point adjustable suspension scaffold meet the requirements of the section. Make sure two-point adjustable suspension scaffolds (swing stages) meet these requirements, WAC 296-874-30046.
(2) You must make sure scaffolds, where the suspension rope between the scaffold and the suspension device is not vertical, meet all of the following:
(a) The rigging has been designed by a qualified person;
(b) The scaffold is accessible to rescuers;
(c) The suspension rope is protected from chafing at any point where it changes direction;
(d) The scaffold is positioned so that swinging cannot bring the scaffold into contact with another surface.
(3) You must make sure boatswain's chair tackle meets all of the following:
(a) It consists of correct size ball bearing blocks or bushed blocks.
(b) The blocks contain safety hooks.
(c) The rope is properly eye spliced.
(d) The rope is either:
(i) First-grade manila rope that has a diameter of at least five-eighths inch (1.6 cm); or
(ii) Other rope that has equivalent characteristics, such as strength and durability.
(4) You must make sure boatswain's chair seat slings meet all of the following:
(a) Are reeved through four corner holes in the seat.
(b) Cross each other on the underside of the seat.
(c) Are rigged to prevent slipping which could cause the seat to become out-of-level.
(d) Are made from fiber, synthetic, or other rope which have:
(i) A diameter of at least five-eighths inch (1.6 cm); and
(ii) Characteristics equivalent to first grade manila rope, such as strength, slip resistance, and durability.
(5) You must make sure the seat sling of boatswain's chairs used when a heat-producing process, such as gas or arc welding, is being conducted is at least three-eighths inch (1.0 cm) wire rope.
(6) You must securely fasten cleats to the underside of noncross-laminated wood boatswain's chairs to prevent the board from splitting.
Reference:
For specific fall protection requirements for employees on single-point adjustable suspension scaffolds, go to WAC 296-874-20056.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-30044, 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, § 296-874-30044, filed 12/7/04, effective 3/1/05.]
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