WAC 296-874-20056. Provide specific fall protection for specific types of scaffolds

(1) You must use a personal fall arrest system to protect employees on the following scaffolds: (a) Boatswain's chair; (b) Catenary scaffold; (c) Float scaffold; (d) Ladder jack scaffold; (e) Needle beam scaffold. (2) You must use a personal fall arrest system and a guardrail system to protect employees on: (a) Single-point adjustable suspension scaffolds; (b) Two-point adjustable suspension scaffolds. (3) You must protect employees working on a self-contained adjustable scaffold that has the platform: (a) Supported by the frame structure, using a guardrail system with a minimum two hundred pound toprail capacity. (b) Suspended by ropes, using: (i) A guardrail system with a minimum two hundred pound toprail capacity; and (ii) A personal fall arrest system. (4) You must protect employees on walkways located within a scaffold by using a guardrail system that meets all of the following: (a) Has a minimum two hundred pound toprail capacity; (b) Is installed within nine and one-half inches (24.1 cm) of the walkway; (c) Is installed along at least one side of the walkway.