09 10 2002 1910 36 b minimum width of exit routes.
Osha door landing requirements.
Stairways that will not be a permanent part of the structure on which construction work is being performed shall have landings of not less than 30 inches 76 cm in the direction of travel and extend at least 22 inches 56 cm in width at every 12 feet 3 7 m or less of vertical rise.
Spiral stairs must meet the vertical clearance requirements in paragraph d 3 of this section.
Door swing shall not reduce effective standing area on the landing to less than 18 inches 45 72 cm in depth.
Also in such locations it is permissible when screen doors or other doors are installed especially on the same jamb as the exit door to swing them over stairs steps or landings.
The door that connects any room to an exit route must swing out in the direction of exit travel if the room is designed to be occupied by more than 50 people or if the room is a high hazard area i e contains contents that are likely to burn with extreme rapidity or explode.
The general requirement for the specified egress door is a maximum 11 2 in.
This guide explains scoping and technical requirements for accessible entrances doors and gates in the ada standards.
Landing requirements for egress exterior doors.
When a door or a gate opens directly on a stairway a platform is provided and the swing of the door or gate does not reduce the platform s effective usable.
1910 36 there are no specific osha standards or requirements applicable to overhead doors.
1910 25 b 3 stairs have uniform riser heights and tread depths between landings.
Minimum number at least 60 of public entrances must be accessible in new construction in addition to entrances directly serving tenancies parking facilities pedestrian tunnels and elevated walkways.
Application this section covers all stairways including standard spiral ship and alternating tread type stairs except for articulated stairs stairs that change pitch due to change in height at the point of attachment such as those serving floating roof tanks stairs on scaffolds stairs designed into machines or equipment and stairs on self propelled motorized equipment.
1917 120 b 3 fixed stairs having four or more risers shall have stair railings or handrails complying with 1917 112 c 1.
The revision in the 1988 ubc which limited the door to opening on an interior stair and excluded exterior stairways was an important change that is often overlooked.
