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WAC 296-78-71003

Floor and wall openings.

(1) All floor and wall openings, either temporary or permanent, must be protected as required by WAC 296-24-750 through 296-24-75011 and WAC 296-800-260.
(2) The area under floor openings must, where practical, be fenced off. When this is not practical, the areas must be plainly marked with yellow lines and telltails must be installed to hang within five and one-half feet of the ground or floor level.
(3) Where floor openings are used to drop materials from one level to another, audible warning systems must be installed and used to indicate to employees on the lower level that material is to be dropped.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-16-132, § 296-78-71003, filed 8/1/17, effective 9/1/17. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 01-11-038, § 296-78-71003, filed 5/9/01, effective 9/1/01. Statutory Authority: Chapter 49.17 RCW. WSR 96-17-056, § 296-78-71003, filed 8/20/96, effective 10/15/96. Statutory Authority: RCW 49.17.040, 49.17.050 and 49.17.240. WSR 81-18-029 (Order 81-21), § 296-78-71003, filed 8/27/81.]
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