WAC 296-878-19005. Select appropriate boatswains' chairs

(1) You must make sure that when you use a block and tackle, it is the correct size, including: (a) Correctly sized ball bearings or bushed blocks; (b) Safety hooks; (c) Eye-spliced rope; (d) A minimum breaking strength of five thousand pounds. (2) You must make sure all rope used with a boatswain's chair has a minimum breaking strength of five thousand pounds, including rope used for: (a) Suspension; (b) Block and tackle; (c) Seat slings. (3) You must make sure the ropes on boatswain's chair seat slings: (a) Are reeved through the four corner holes in the seat; (b) Cross each other on the underside of the seat; (c) Are rigged so the chair cannot slip out of a level position.