# tie-vertical-spacing-wide-scaffolds — Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451) For tie-vertical-spacing-wide-scaffolds, paragraph citation is 1926.451(c)(1)(ii); type of requirement is maximum spacing; value (imperial) is 26 feet; value (metric) is 7.9 m; applies to is scaffolds greater than 3 feet (0.91 m) wide, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Requirement ID:** tie-vertical-spacing-wide-scaffolds _(our reading, not quoted from the source)_ - **Paragraph citation:** 1926.451(c)(1)(ii) _(our reading, not quoted from the source)_ - **Type of requirement:** maximum spacing _(our reading, not quoted from the source)_ - **Value (imperial):** 26 feet _(verified: appears in the quote below)_ - **Value (metric):** 7.9 m _(verified: appears in the quote below)_ - **Applies to:** scaffolds greater than 3 feet (0.91 m) wide _(verified: appears in the quote below)_ - **Regulation section heading:** Criteria for supported scaffolds _(verified: appears in its own passage below)_ ## What the source says > (ii) Guys, ties, and braces shall be installed according to the scaffold manufacturer's recommendations or at the closest horizontal member to the 4:1 height and be repeated vertically at locations of horizontal members every 20 feet (6.1 m) or less thereafter for scaffolds 3 feet (0.91 m) wide or less, and every 26 feet (7.9 m) or less thereafter for scaffolds greater than 3 feet (0.91 m) wide. ## 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 > (c) Criteria for supported scaffolds. ## 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/).