PDFWAC 296-874-20042

Increase employee working level height on scaffolds safely.

(1) You must make sure makeshift devices, such as boxes and barrels, are not used on scaffold platforms to increase the working level height for employees.
(2) You must meet all of the following when using stilts on scaffolds:
(a) Use stilts only on large area scaffolds.
(b) Increase the height of a guardrail system used for fall protection by an amount equal to the height of the stilts being used.
(c) Make sure scaffold platforms where stilts are used are flat and free of:
(i) Pits, holes, and obstructions such as debris; and
(ii) Other tripping or falling hazards.
(d) Make sure stilts are:
(i) Properly maintained; and
(ii) Not altered from the original equipment without the manufacturer's approval.
(e) Meet all of the following when using ladders on scaffolds:
(i) Use ladders only on large area scaffolds;
(ii) Secure the platform units to the scaffold to prevent movement;
(iii) Secure the scaffold against the sideways thrust exerted by the ladder if the ladder is placed against a structure that's not part of the scaffold;
(iv) Make sure the ladder legs are:
(A) Secured to prevent them from slipping or being pushed off the platform; and
(B) On the same scaffold platform, or use other means, to stabilize the ladder against uneven platform deflection.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-20042, 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, § 296-874-20042, filed 12/7/04, effective 3/1/05.]