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Fixed
industrial stairs shall be provided for access to and from places of work where
operations necessitate regular travel between levels.
OSHA
requires the following specifications for fixed industrial stairs.
- Fixed industrial stairs shall be strong enough to carry five
times the normal anticipated live load.
- At the very minimum, any fixed stairway shall be able to
carry safely a moving concentrated load of 1,000 pounds.
- All fixed stairways shall have a minimum width of 22 inches.
- Fixed stairs shall be installed at angles to the horizontal
of between 30° and 50º.
- Vertical clearance above any stair tread to an overhead
obstruction shall be at least 7 feet from the leading edge of the tread.
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