Section 296-876-60050 - Extensions and grab bars(1) You must make sure the side rails of through or side-step ladders extend forty-two inches above the top of the access level or landing platform. Note: | For a parapet ladder, the access level is: 1. The roof if the parapet is cut to permit passage through it; or 2. The top of the parapet if it is continuous and uncut. |
(2) You must make sure the extension of a through ladder above the access level or landing platform has: (a) Steps or rungs omitted from the extension; and(b) Clearance between the side rails that is: (i) Not less than twenty-four inches; or (ii) Greater than thirty inches.EXEMPTION: | The maximum clearance between side rails of the extension may be increased to thirty-six inches if the ladder has a ladder safety device. |
(3) You must make sure side-step ladders have the steps or rungs and the side rails continuous in the extension (see Figure D-2 in WAC 296-876-60030).(4) You must make sure individual rung-step ladders are extended at least forty-two inches above the access level or landing platform by: (a) Continuing the rung spacings as horizontal grab bars; or(b) Providing vertical grab bars that have the same lateral spacing as the vertical legs of the rungs. EXEMPTION: | Extensions are not required for individual rung-step ladders with access openings through a manhole or hatch. |
(5) You must make sure grab bars: (a) Are at least four inches from the nearest permanent object in back of the grab bar, measured from the centerline of the grab bar; (b) Do not extend beyond the rungs on the climbing side of the ladder; and(c) The minimum size (cross-section) of grab bars is the same size as the rungs of the ladder. EXEMPTION: | WAC 296-876-60050(5)(c) applies to general industry only. See the exemption list in the scope section of WAC 296-876-100 for more information. |
Wash. Admin. Code § 296-876-60050
Amended by WSR 14-09-095, filed 4/22/14, effective 7/1/2014Amended by WSR 16-23-141, Filed 11/22/2016, effective 12/23/2016Amended by WSR 20-09-146, Filed 4/21/2020, effective 10/1/2020Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 06-16-020, § 296-876-60050, filed 7/24/06, effective 12/1/06.