Grab bars not required at hatch exits.
Osha roof hatch railing requirements.
Another option is to install a hatch railing system around the roof hatch to protect the opening when the cover is in the open position.
Ibc guardrail is required to be a minimum of 42 above the leading edge of the tread or walking surface.
Osha guardrail height requirements.
1910 23 open roof hatches should be protected.
1910 23 compliance of stair and platform railings with height requirements in osha standards for fixed industrial stairs.
For example ansi standard a1264 1 1995 safety requirements for workplace floor and wall openings stairs and railing systems requires guardrail protection for the exposed sides of ladderway openings in any working walking surface.
Roof hatch protection is addressed by osha standard 26 cfr 1910 23 entitled guarding floor and wall openings and holes full text of this standard is available online at www osha gov.
Unprotected openings in roofs could therefore be cited under the general duty clause of the occupational.
1910 29 b 1 the top edge height of top rails or equivalent guardrail system members are 42 inches 107 cm plus or minus 3 inches 8 cm above the walking working surface.
In 2017 osha updated and renumbered the fall protection standards section 1910 23 for walking working surfaces to make them more consistent with section 1926 502 fall protection for construction.
Ibc guardrail height requirements.