Protection of
Open-sided Floors, Platforms, and Runways
[1910.23(c)]
1910.23(e)(3)(i) For wood railings, the
posts shall be of at least 2-inch by 4-inch stock spaced not to exceed
6 feet; the top and intermediate
rails shall be of at least 2-inch by 4-inch stock. If top rail is made
of two right-angle pieces of 1-inch by 4-inch stock, posts may be spaced
on 8-foot centers, with 2-inch by 4-inch intermediate rail.
1910.23(e)(3)(ii) For pipe railings, posts and top and intermediate railings shall be at
least 1 ½ inches nominal
diameter with posts spaced not more than 8 feet on centers.
1910.23(e)(3)(iii) For structural steel railings, posts and top and intermediate rails shall
be of 2-inch by 2-inch by
3/8-inch angles or other metal shapes of equivalent bending strength
with posts spaced not more than 8 feet on centers.
1910.23(e)(3)(iv) The
anchoring of posts and framing of members for railings of all types shall
be of such construction that the completed
structure shall be capable of withstanding a load of at least 200 pounds
applied in any direction at any point on the top rail.
1910.23(e)(3)(v) Other types, sizes, and arrangements of railing construction are acceptable
provided they meet the following
conditions:
1910.23(e)(3)(v)(a) A smooth-surfaced top rail at a height above floor, platform,
runway, or ramp level of 42 inches nominal; 1910.23(e)(3)(v)(b) A strength
to withstand at least the minimum requirement of 200 pounds top rail pressure;
1910.23(e)(3)(v)(c) Protection between top rail and floor, platform, runway,
ramp, or stair treads, equivalent at least to that afforded by a standard
intermediate rail.
1910.23(c)(1) Every open-sided floor or
platform 4 feet or more above adjacent floor or ground level shall be
guarded by a standard railing (or the equivalent as specified in paragraph (e)(3) of
this section) on all open sides except where there is entrance to a ramp,
stairway, or fixed ladder. The railing shall be provided with a toeboard
wherever, beneath the open sides,
1910.23(c)(1) Every open-sided floor or platform
4 feet or more above adjacent floor or ground level shall be guarded by
a standard railing (or the equivalent as specified in paragraph (e)(3) of
this section) on all open sides except where there is entrance to a ramp,
stairway, or fixed ladder. The railing shall be provided with a toeboard
wherever, beneath the open sides,
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