# stair-landing-platform-minimum-width — Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451) For stair-landing-platform-minimum-width, paragraph citation is 1926.451(e)(4)(viii); type of requirement is minimum width; value (imperial) is 18 inches; value (metric) is 45.7 cm; applies to is A landing platform, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Requirement ID:** stair-landing-platform-minimum-width _(our reading, not quoted from the source)_ - **Paragraph citation:** 1926.451(e)(4)(viii) _(our reading, not quoted from the source)_ - **Type of requirement:** minimum width _(our reading, not quoted from the source)_ - **Value (imperial):** 18 inches _(verified: appears in the quote below)_ - **Value (metric):** 45.7 cm _(verified: appears in the quote below)_ - **Applies to:** A landing platform _(verified: appears in the quote below)_ - **Regulation section heading:** Access _(verified: appears in its own passage below)_ ## What the source says > (viii) A landing platform at least 18 inches (45.7 cm) wide by at least 18 inches (45.7 cm) long shall be provided at each level. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Regulation section heading > (e) Access. ## Source - https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451 Last verified: 2026-09-14. Review by: 2027-08-31. Part of [Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)](https://referencesource.org/osha-scaffold-dimensional-tolerances/).