You must: Use a personal fall arrest system to protect employees on the following scaffolds:
Boatswain's chair;
Catenary scaffold;
Float scaffold;
Ladder jack scaffold;
Needle beam scaffold.
Use a personal fall arrest system
and a guardrail system to protect employees on:
Single-point adjustable suspension scaffolds;
AND Two-point adjustable suspension scaffolds.
Protect employees working on a self-contained adjustable scaffold that has the platform:
Supported by the frame structure, using a guardrail system with a minimum two hundred pound toprail capacity.
Suspended by ropes, using:
▪ A guardrail system with a minimum two hundred pound toprail capacity;
AND ▪ A personal fall arrest system.
Protect employees on walkways located within a scaffold by using a guardrail system that meets all of the following:
Has a minimum two hundred pound toprail capacity;
Is installed within nine and one-half inches (24.1 cm) of the walkway;
Is installed along at least one side of the walkway.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 07-17-026, § 296-874-20056, filed 8/7/07, effective 10/6/07; 05-01-054, § 296-874-20056, filed 12/7/04, effective 3/1/05.]