OSHA Compliant Models
For private facilities not open to public use. Typically used at construction sites and industrial areas like factory floors and manufacturing spaces where only designated employees work.
Advantages: Requires less space and costs less than IBC compliant stairs.
- 4x4 Platform
- Medium Duty Platform - 50 psf load requirements
- Handrails with standard balusters
Key OSHA Regulations:
Must be designed to carry a load five times greater than the anticipated load, but never less than a load of 1,000 pounds. Both handrails and guardrails must be capable of withstanding a minimum of 200 pounds of pressure applied from any direction at any point along the rails.
- Risers & Tread: 8" open riser, 9.5" tread
- Stair Width: minimum 22"
- Railings & Guardrail: railings on open sides of stairwells and 42" high handrail on the side, preferably right side descending
- Balusters: space between no more than 19" apart
- Landings: landings at the top and bottom typically 4' square
- Door Swing: landing must extend 21" beyond end of door swing (a 36" door requires platform that ends at no less than 57")

IBC Compliance
For commercial and residential applications open to the public which may include small children.
Advantages: Portability and compliance with IBC regulations! These stairs are rapidly assembled and suitable for use with temporary housing, classroom trailers and other areas open to the public.
- 4x6 Platform
- Heavy Duty Platform - 100 psf load requirements
- Balusters with 4" spacing
Key OSHA Regulations:
- Risers & Tread: 7 closed riser, max. 4" open gap, 11" tread
- Stair Width: minimum 44" wide (36" wide in areas served by less than 50 people)
- Railings & Guardrail: 42" high and handrails of 34" on both sides of stairwells
- Balusters: space between no more than 4" apart
- Landings: landings at the top and bottom larger than 4' square, also intermediate landing for stairwells over 12' high
- Door Swing: landing must extend 21" beyond end of door swing (a 36" door requires platform that ends at no less than 57")
