# prefabricated-access-frame-work-platform-minimum-rung-length — Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451) For prefabricated-access-frame-work-platform-minimum-rung-length, paragraph citation is 1926.451(e)(6)(iii); type of requirement is minimum length; value (imperial) is 111⁄2 inches; applies to is Integral prefabricated scaffold access frames; regulation section heading is Access, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Requirement ID:** prefabricated-access-frame-work-platform-minimum-rung-length _(our reading, not quoted from the source)_ - **Paragraph citation:** 1926.451(e)(6)(iii) _(our reading, not quoted from the source)_ - **Type of requirement:** minimum length _(our reading, not quoted from the source)_ - **Value (imperial):** 111⁄2 inches _(verified: appears in the quote below)_ - **Applies to:** Integral prefabricated scaffold access frames _(verified: appears in the quote below)_ - **Regulation section heading:** Access _(verified: appears in its own passage below)_ ## What the source says > (6) Integral prefabricated scaffold access frames shall: (i) Be specifically designed and constructed for use as ladder rungs; (ii) Have a rung length of at least 8 inches (20 cm); (iii) Not be used as work platforms when rungs are less than 111⁄2 inches in length ## 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/).