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PDFWAC 296-307-060

Requirements that apply to job-made ladders.

Job-made ladder. A ladder that the employer or employees build.
Job-made ladders must meet the following requirements:
(1) All cleats must be made of one-by-four-inch nominal lumber, or stronger.
(2) Cleats must be inset into the edges of side rails to a depth of one-half inch, or filler blocks must be used on the rails between the cleats.
(3) Each cleat must be fastened to each rail with three 8d common wire nails or other fasteners of equal strength.
(4) Cleats must be uniformly spaced approximately 12 inches from the top of one cleat to the top of the next.
(5) Side rails must be continuous, unless splices develop the full strength of a continuous rail of equal length.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-060, filed 10/20/20, effective 11/20/20. WSR 97-09-013, recodified as § 296-307-060, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-060, filed 10/31/96, effective 12/1/96.]
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