296-96-24422  <<  296-96-24425 >>   296-96-24428

WAC 296-96-24425

Guarding of floor openings.

Except on the entrance or exit side, floor openings at each landing shall be guarded.
(1) The guards shall be constructed by one of the following methods:
(a) A standard railing and toeboard;
(b) Panels of wire mesh (not less than No. 10 U.S. gauge);
(c) Panels of expanded metal (not less than No. 13 U.S. gauge);
(d) Panels of sheet metal (not less than No. 13 U.S. gauge); or
(e) Metal on a frame of either angle iron (at least 1 1/4 by 1 1/8 in.) or 1 1/4 in. iron pipe.
(2) When a belt manlift is installed in a stairwell, a standard guardrail shall be placed between the floor openings and the stairway.
(3) Rails or guards shall be:
(a) At least 42 in. high on the up-running side and 66 in. high on the down-running side; and
(b) Be located not more than 1.0 ft. from the edge of the floor opening.
(4) If a guardrail is used, the section of the guard above the rail may be constructed:
(a) According to ASME A90.1; or
(b) Using either vertical or horizontal bars capable of rejecting a 6 in. diameter ball.
[Statutory Authority: Chapter 70.87 RCW. WSR 18-18-070, ยง 296-96-24425, filed 8/31/18, effective 10/1/18.]
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