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PDFWAC 296-874-40020

Meet these requirements when using integral prefabricated scaffold access frames.

(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 twenty feet (6.1 m) on all supported scaffolds more than twenty-four feet (7.3 m) high.
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.
1. For personal fall arrest system requirements in this chapter, go to WAC 296-874-20058.
2. For construction activities, go to Part C-1, in safety standards for construction work, chapter 296-155 WAC.
[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.]
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