(1) You must make sure integral prefabricated scaffold access frames meet all of the following:
(a) Have been specifically designed and constructed to be used as ladder rungs;
(b) Have a rung length of at least eight inches (20 cm);
(c) Have a maximum spacing between rungs of sixteen and three quarters inches (43 cm);
(d) Are uniformly spaced within each frame section;
(e) Have rest platforms at least every 20 feet (6.1 m) on all supported scaffolds more than 24 feet (7.3 m) high.
Note: | Nonuniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed sixteen and three quarters inches (43 cm). |
(2) You must make sure, when panels with rungs that are less than eleven and one-half inches long are used as work platforms, that employees use either:
(a) A positioning device; or
(b) A personal fall arrest system.
Reference: | For personal fall arrest system requirements and construction activities, go to chapter 296-880 WAC, Unified safety standards for fall protection. |
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 26-15-109 (Order 26-05), s 296-874-40020, filed 7/21/26, effective 8/21/26. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-874-40020, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and 29 C.F.R. 1926, Subpart M, Fall Protection. WSR 13-04-073, § 296-874-40020, filed 2/4/13, effective 4/1/13. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-01-054, § 296-874-40020, filed 12/7/04, effective 3/1/05.]