- (1) You must make sure the stall load of any scaffold hoist is not more than three times its rated load.
- (2) You must make sure the design of scaffold hoists has been tested by an independent nationally recognized testing laboratory.
(3) You must make sure scaffold hoists have both a:
- (a) Normal operating brake; and
(b) Braking device or locking pawl which automatically engages when the hoist has an uncontrolled:
- (i) Instantaneous change in momentum; or
- (ii) An accelerated overspeed.
- (4) You must prohibit use of gasoline-powered hoists on suspended scaffolds.
- (5) You must enclose the gears and brakes of power-operated hoists used on suspended scaffolds.
- (6) You must make sure manually operated hoists need a positive crank force to descend.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-30012, 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, § 296-874-30012, filed 12/7/04, effective 3/1/05.]