(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.
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Note:
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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.
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(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.
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EXEMPTION:
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The maximum clearance between side rails of the
extension may be increased to thirty-six inches if the ladder has a ladder
safety device.
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(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.
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EXEMPTION:
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Extensions are not required for individual rung-step
ladders with access openings through a manhole or hatch.
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(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.
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EXEMPTION:
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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.
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Notes
Wash. Admin. Code §
296-876-60050
Amended by
WSR
14-09-095, filed 4/22/14, effective 7/1/2014
Amended by
WSR
16-23-141, Filed 11/22/2016, effective
12/23/2016
Amended by
WSR
20-09-146, Filed 4/21/2020, effective
10/1/2020
Statutory 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.
