29 CFR 1910 · General Industry · Subpart D

1910.25(b): General Requirements for Stairways

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 20, 2026 4 min read

In plain words:

Employers must provide handrails, stair rails and guardrails per 1910.28, keep at least 6 feet, 8 inches (203 cm) of headroom above treads, and use uniform risers and treads between landings. Landings must be at least stair width and 30 inches (76 cm) deep, door swings may not shrink platforms below set depths, each stair must hold at least five times the normal anticipated live load and never less than 1,000 pounds, and standard stairs are used for routine travel between levels.

Key takeaways

  • 1910.25(b) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart D).
  • OSHA cited it 207 times in the last 3 years, in 190 inspections, with $370,189 in current penalties.
  • 3 deaths are linked to inspections that cited this rule.
  • Most citations: NY (21), WI (20), MI (18).
  • Related part: 1910.25(b)(3) (93 citations).
  • Free 5-minute toolbox talk for your crew below.
207citations, 3 years
$370,189current penalties
190inspections
3linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.25(b) ("General requirements") is one requirement inside 1910.25 Stairways, an OSHA general industry standard (Part 1910, Subpart D). It includes 11 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

(b) General requirements. The employer must ensure: 207 citations

(1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910.28; Open (b)(1) 48 citations

(2) Vertical clearance above any stair tread to any overhead obstruction is at least 6 feet, 8 inches (203 cm), as measured from the leading edge of the tread. Spiral stairs must meet the vertical clearance requirements in paragraph (d)(3) of this section. Open (b)(2) 12 citations

(3) Stairs have uniform riser heights and tread depths between landings; Open (b)(3) 93 citations

(4) Stairway landings and platforms are at least the width of the stair and at least 30 inches (76 cm) in depth, as measured in the direction of travel; Open (b)(4) 11 citations

(5) 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 depth to: Open (b)(5) 15 citations

(i) Less than 20 inches (51 cm) for platforms installed before January 17, 2017; and Open (b)(5)(i) 12 citations

(ii) Less than 22 inches (56 cm) for platforms installed on or after January 17, 2017 (see Figure D-7 of this section); 3 citations

(6) Each stair can support at least five times the normal anticipated live load, but never less than a concentrated load of 1,000 pounds (454 kg) applied at any point; 4 citations

(7) Standard stairs are used to provide access from one walking-working surface to another when operations necessitate regular and routine travel between levels, including access to operating platforms for equipment. Winding stairways may be used on tanks and similar round structures when the diameter of the tank or structure is at least 5 feet (1.5 m). Open (b)(7) 19 citations

(8) Spiral, ship, or alternating tread-type stairs are used only when the employer can demonstrate that it is not feasible to provide standard stairs. 5 citations

(9) When paragraph (b)(8) of this section allows the use of spiral, ship, or alternating tread-type stairs, they are installed, used, and maintained in accordance with manufacturer's instructions.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.25.

Injuries linked to this rule

3 deaths are linked to inspections where OSHA cited 1910.25(b).

Employee sustains head trauma in fall from roof, later dies
2024-11-19 · Fatal · LENOIR, NC

On November 19, 2024, an employee working for a specialty mulch manufacturer wascleaning and performing maintenance along with three coworkers. The crew was working on a catwalk on the roof of the plant. The employee stepped off of the catwalk and fell through a skylight…

See all 3 cases

Full case list with employer, penalty, filters and download is part of OSHA Data (Purple Belt).

Unlock with Purple Belt

Where and how often it was cited

YearCitations
202310
202466
202583
202648

Top states: NY (21), WI (20), MI (18), MN (16), OR (15)

Largest penalties

EmployerLocationPenalty for this rule
CASE FARMS PROCESSING, INC.WINESBURG, OH$16,550
GABRIEL CARE, INC.FALL RIVER, MA$16,550
CONCRETE TECHNOLOGIES, INC.CUMMING, IA$12,768
IMPACT CONFECTIONS, INC.JANESVILLE, WI$12,413
PRECISION CONCEPTS INTERNATIONALSHEBOYGAN, WI$11,350

Free toolbox talk

A 5-minute crew talk on 1910.25(b), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.25(b).

Related parts of this rule

Get your crew competent

Trainers on Black Belt Safety: Marc Harvey, Dana Reyes

Trainers and suppliers: feature your business on this rule for $25/month.

Frequently asked questions

How much headroom is required over stairs?

At least 6 feet, 8 inches (203 cm), measured from the leading edge of the tread.

How strong must stairs be?

Each stair can support at least five times the normal anticipated live load, but never less than a concentrated load of 1,000 pounds (454 kg) applied at any point.

When can ship or spiral stairs be used?

Only when the employer can demonstrate that it is not feasible to provide standard stairs.

About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

Scroll to top