1926.501(b)(1)
"Unprotected sides and edges." Each employee on a walking/working surface (horizontal
and vertical surface) with an unprotected side or edge which is 6 feet (1.8 m) or
more above a lower level shall be protected from falling by the use of guardrail
systems, safety net systems, or personal fall arrest systems.
1926.501(b)(2)(ii)
Each employee on a walking/working surface 6 feet (1.8 m) or more above a lower
level where leading edges are under construction, but who is not engaged in the
leading edge work, shall be protected from falling by a guardrail system, safety
net system, or personal fall arrest system. If a guardrail system is chosen to provide
the fall protection, and a controlled access zone has already been established for
leading edge work, the control line may be used in lieu of a guardrail along the
edge that parallels the leading edge.
1910.23(b)(3)
Every window wall opening at a stairway landing, floor, platform, or balcony, from
which there is a drop of more than 4 feet, and where the bottom of the opening is
less than 3 feet above the platform or landing, shall be guarded by standard slats,
standard grill work (as specified in paragraph (e)(11) of this section), or standard
railing.
1926.1052(c)(1)
Stairways having four or more risers or rising more than 30 inches (76 cm), whichever
is less, shall be equipped with:
1926.1052(c)(1)(i)
At least one handrail; and
1926.1052(c)(1)(ii)
One stairrail system along each unprotected side or edge.
1926.1052(c)(8)
Stairrail systems and handrails shall be so surfaced as to prevent injury to employees
from punctures or lacerations, and to prevent snagging of clothing.
1926.1052(c)(9)
Handrails shall provide an adequate handhold for employees grasping them to avoid
falling.
1926.1052(c)(10)
The ends of stairrail systems and handrails shall be constructed so as not to constitute
a projection hazard.
1926.502(b)(1)
Top edge height of top rails, or equivalent guardrail system members, shall be 42
inches (1.1 m) plus or minus 3 inches (8 cm) above the walking/working level.
1926.502(b)(3)
Guardrail systems shall be capable of withstanding, without failure, a force of
at least 200 pounds (890 N) applied within 2 inches (5.1 cm) of the top edge, in
any outward or downward direction, at any point along the top edge.
1926.502(b)(4)
When the 200 pound (890 N) test load specified in paragraph (b)(3) of this section
is applied in a downward direction, the top edge of the guardrail shall not deflect
to a height less than 39 inches (1.0 m) above the walking/working level. Guardrail
system components selected and constructed in accordance with the Appendix B to
subpart M of this part will be deemed to meet this requirement.
1926.502(b)(6)
Guardrail systems shall be so surfaced as to prevent injury to an employee from
punctures or lacerations, and to prevent snagging of clothing.
1926.502(b)(7)
The ends of all top rails and midrails shall not overhang the terminal posts, except
where such overhang does not constitute a projection hazard.
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