- Part Number:1926
- Part Number Title:Safety and Health Regulations for Construction
- Subpart:1926 Subpart X
- Subpart Title:Stairways and Ladders
- Standard Number:
- Title:Stairways.
- GPO Source:
General. The following requirements apply to all stairways as indicated:
Stairs shall be installed between 30° and 50° from horizontal.
Riser height and tread depth shall be uniform within each flight of stairs, including any foundation structure used as one or more treads of the stairs. Variations in riser height or tread depth shall not be over ¼-inch (0.6 cm) in any stairway system.
Temporary service. The following requirements apply to all stairways as indicated:
Stairrails and handrails. The following requirements apply to all stairways as indicated:
One stairrail system along each unprotected side or edge.
Note: When the top edge of a stairrail system also serves as a handrail, paragraph (c)(7) of this section applies.
Handrails that will not be a permanent part of the structure being built shall have a minimum clearance of 3 inches (8 cm) between the handrail and walls, stairrail systems, and other objects.
[55 FR 47687, Nov. 14, 1990; 56 FR 47689, Jan. 23, 1991; 56 FR 41794, Aug. 23, 1991]