{"asset": "osha-scaffold-dimensional-tolerances", "asset_type": "tolerance", "body": "All of the specific numeric dimensional tolerances, clearances, safety factors, and spacing requirements stated in 29 CFR 1926.451 (General requirements for scaffolds), extracted from the eCFR text and tabulated so a scaffold erector or safety inspector can look up any measurement without reading the full 60,000-character regulation. Each record is one specific tolerance or requirement with its exact value in both imperial and metric units, the paragraph citation, and the condition or scaffold type it applies to. Answers 'what is the maximum gap between scaffold planks', 'how far can a scaffold plank overhang its support', 'what is the minimum platform width for a scaffold', 'at what height-to-base ratio must a scaffold be tied', 'what is the load safety factor for scaffold suspension ropes', 'what is the maximum distance from scaffold platform to work face for plastering'. Scaffolding is among OSHA's top 10 most cited standards every year (6th in FY 2025) and the numeric values are scattered across paragraphs (a) through (h) of a long regulation -- a tabulation that puts them all in one place with their paragraph citations is genuinely useful and does not exist as a structured page anywhere found.\n", "description": "All of the specific numeric dimensional tolerances, clearances, safety factors, and spacing requirements stated in 29 CFR 1926.451 (General requirements for scaffolds), extracted from the eCFR text and tabulated so a scaffold erector or safety inspector can look up any measurement without reading the full 60,000-character regulation. Each record is one specific tolerance or requirement with its exact value in both imperial and metric units, the paragraph citation, and the condition or scaffold type it applies to. Answers 'what is the maximum gap between scaffold planks', 'how far can a scaffold plank overhang its support', 'what is the minimum platform width for a scaffold', 'at what height-to-base ratio must a scaffold be tied', 'what is the load safety factor for scaffold suspension ropes', 'what is the maximum distance from scaffold platform to work face for plastering'. Scaffolding is among OSHA's top 10 most cited standards every year (6th in FY 2025) and the numeric values are scattered across paragraphs (a) through (h) of a long regulation -- a tabulation that puts them all in one place with their paragraph citations is genuinely useful and does not exist as a structured page anywhere found.", "file": "index.md", "generated": true, "harvested": "2026-09-01", "key_field": "requirement_id", "licence": "US federal regulation -- 17 USC 105, no copyright.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-09-01", "title": "Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "dataset", "verified": false}
{"applies_to": "scaffold platforms", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** access-required-trigger-height\n\n**Paragraph citation:** 1926.451(e)(1)\n\n**Type of requirement:** trigger height\n\n**Value (imperial):** 2 feet\n\n**Value (metric):** 0.6 m\n\n**Applies to:** scaffold platforms\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (1) When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel hoist, or similar surface shall be used.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "access-required-trigger-height.md", "generated": true, "harvested": "2026-08-31", "id": "access-required-trigger-height", "paragraph": "1926.451(e)(1)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "access-required-trigger-height", "requirement_type": "trigger height", "source_quote": "(1) When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel hoist, or similar surface shall be used.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "access-required-trigger-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "2 feet", "value_metric": "0.6 m", "verified": true}
{"applies_to": "Each employee on a crawling board (chicken ladder)", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crawling-board-grabline-minimum-diameter\n\n**Paragraph citation:** 1926.451(g)(1)(iii)\n\n**Type of requirement:** minimum diameter\n\n**Value (imperial):** three-fourth inch\n\n**Value (metric):** 1.9 cm\n\n**Applies to:** Each employee on a crawling board (chicken ladder)\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (iii) Each employee on a crawling board (chicken ladder) shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crawling-board-grabline-minimum-diameter.md", "generated": true, "harvested": "2026-08-31", "id": "crawling-board-grabline-minimum-diameter", "paragraph": "1926.451(g)(1)(iii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crawling-board-grabline-minimum-diameter", "requirement_type": "minimum diameter", "source_quote": "(iii) Each employee on a crawling board (chicken ladder) shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crawling-board-grabline-minimum-diameter \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "three-fourth inch", "value_metric": "1.9 cm", "verified": true}
{"applies_to": "Crossbracing is acceptable in place of a midrail", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crossbrace-as-midrail-maximum-crossing-height\n\n**Paragraph citation:** 1926.451(g)(4)(xv)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 30 inches\n\n**Value (metric):** 0.8 m\n\n**Applies to:** Crossbracing is acceptable in place of a midrail\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crossbrace-as-midrail-maximum-crossing-height.md", "generated": true, "harvested": "2026-08-31", "id": "crossbrace-as-midrail-maximum-crossing-height", "paragraph": "1926.451(g)(4)(xv)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crossbrace-as-midrail-maximum-crossing-height", "requirement_type": "maximum height", "source_quote": "(xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crossbrace-as-midrail-maximum-crossing-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "30 inches", "value_metric": "0.8 m", "verified": true}
{"applies_to": "Crossbracing is acceptable in place of a midrail", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crossbrace-as-midrail-minimum-crossing-height\n\n**Paragraph citation:** 1926.451(g)(4)(xv)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** 20 inches\n\n**Value (metric):** 0.5 m\n\n**Applies to:** Crossbracing is acceptable in place of a midrail\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crossbrace-as-midrail-minimum-crossing-height.md", "generated": true, "harvested": "2026-08-31", "id": "crossbrace-as-midrail-minimum-crossing-height", "paragraph": "1926.451(g)(4)(xv)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crossbrace-as-midrail-minimum-crossing-height", "requirement_type": "minimum height", "source_quote": "(xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crossbrace-as-midrail-minimum-crossing-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "20 inches", "value_metric": "0.5 m", "verified": true}
{"applies_to": "as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crossbrace-as-toprail-maximum-crossing-height\n\n**Paragraph citation:** 1926.451(g)(4)(xv)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 48 inches\n\n**Value (metric):** 1.3 m\n\n**Applies to:** as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crossbrace-as-toprail-maximum-crossing-height.md", "generated": true, "harvested": "2026-08-31", "id": "crossbrace-as-toprail-maximum-crossing-height", "paragraph": "1926.451(g)(4)(xv)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crossbrace-as-toprail-maximum-crossing-height", "requirement_type": "maximum height", "source_quote": "(xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crossbrace-as-toprail-maximum-crossing-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "48 inches", "value_metric": "1.3 m", "verified": true}
{"applies_to": "as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crossbrace-as-toprail-minimum-crossing-height\n\n**Paragraph citation:** 1926.451(g)(4)(xv)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** 38 inches\n\n**Value (metric):** 0.97 m\n\n**Applies to:** as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crossbrace-as-toprail-minimum-crossing-height.md", "generated": true, "harvested": "2026-08-31", "id": "crossbrace-as-toprail-minimum-crossing-height", "paragraph": "1926.451(g)(4)(xv)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crossbrace-as-toprail-minimum-crossing-height", "requirement_type": "minimum height", "source_quote": "(xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crossbrace-as-toprail-minimum-crossing-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "38 inches", "value_metric": "0.97 m", "verified": true}
{"applies_to": "The end points at each upright", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** crossbrace-end-point-maximum-spacing\n\n**Paragraph citation:** 1926.451(g)(4)(xv)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 48 inches\n\n**Value (metric):** 1.3 m\n\n**Applies to:** The end points at each upright\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "crossbrace-end-point-maximum-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "crossbrace-end-point-maximum-spacing", "paragraph": "1926.451(g)(4)(xv)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "crossbrace-end-point-maximum-spacing", "requirement_type": "maximum spacing", "source_quote": "(xv) Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. The end points at each upright shall be no more than 48 inches (1.3 m) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "crossbrace-end-point-maximum-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "48 inches", "value_metric": "1.3 m", "verified": true}
{"applies_to": "Direct access to or from another surface", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** direct-access-maximum-horizontal-distance\n\n**Paragraph citation:** 1926.451(e)(8)\n\n**Type of requirement:** maximum distance\n\n**Value (imperial):** 14 inches\n\n**Value (metric):** 36 cm\n\n**Applies to:** Direct access to or from another surface\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (8) Direct access to or from another surface shall be used only when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surface.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "direct-access-maximum-horizontal-distance.md", "generated": true, "harvested": "2026-08-31", "id": "direct-access-maximum-horizontal-distance", "paragraph": "1926.451(e)(8)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "direct-access-maximum-horizontal-distance", "requirement_type": "maximum distance", "source_quote": "(8) Direct access to or from another surface shall be used only when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surface.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "direct-access-maximum-horizontal-distance \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "14 inches", "value_metric": "36 cm", "verified": true}
{"applies_to": "Direct access to or from another surface", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** direct-access-maximum-vertical-distance\n\n**Paragraph citation:** 1926.451(e)(8)\n\n**Type of requirement:** maximum distance\n\n**Value (imperial):** 24 inches\n\n**Value (metric):** 61 cm\n\n**Applies to:** Direct access to or from another surface\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (8) Direct access to or from another surface shall be used only when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surface.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "direct-access-maximum-vertical-distance.md", "generated": true, "harvested": "2026-08-31", "id": "direct-access-maximum-vertical-distance", "paragraph": "1926.451(e)(8)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "direct-access-maximum-vertical-distance", "requirement_type": "maximum distance", "source_quote": "(8) Direct access to or from another surface shall be used only when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surface.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "direct-access-maximum-vertical-distance \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "24 inches", "value_metric": "61 cm", "verified": true}
{"applies_to": "erecting or dismantling tubular welded frame scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** end-frame-climbing-maximum-vertical-spacing\n\n**Paragraph citation:** 1926.451(e)(9)(iii)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 22 inches\n\n**Applies to:** erecting or dismantling tubular welded frame scaffolds\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (iii) When erecting or dismantling tubular welded frame scaffolds, (end) frames, with horizontal members that are parallel, level and are not more than 22 inches apart vertically may be used as climbing devices for access, provided they are erected in a manner that creates a usable ladder and provides good hand hold and foot space.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "end-frame-climbing-maximum-vertical-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "end-frame-climbing-maximum-vertical-spacing", "paragraph": "1926.451(e)(9)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "end-frame-climbing-maximum-vertical-spacing", "requirement_type": "maximum spacing", "source_quote": "(iii) When erecting or dismantling tubular welded frame scaffolds, (end) frames, with horizontal members that are parallel, level and are not more than 22 inches apart vertically may be used as climbing devices for access, provided they are erected in a manner that creates a usable ladder and provides good hand hold and foot space.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "end-frame-climbing-maximum-vertical-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "22 inches", "verified": true}
{"applies_to": "Each employee on a scaffold", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** fall-protection-trigger-height\n\n**Paragraph citation:** 1926.451(g)(1)\n\n**Type of requirement:** trigger height\n\n**Value (imperial):** 10 feet\n\n**Value (metric):** 3.1 m\n\n**Applies to:** Each employee on a scaffold\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (1) Each employee on a scaffold more than 10 feet (3.1 m) above a lower level shall be protected from falling to that lower level.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "fall-protection-trigger-height.md", "generated": true, "harvested": "2026-08-31", "id": "fall-protection-trigger-height", "paragraph": "1926.451(g)(1)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "fall-protection-trigger-height", "requirement_type": "trigger height", "source_quote": "(1) Each employee on a scaffold more than 10 feet (3.1 m) above a lower level shall be protected from falling to that lower level.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "fall-protection-trigger-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "10 feet", "value_metric": "3.1 m", "verified": true}
{"applies_to": "float (ship) scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** float-scaffold-edging-minimum-dimensions\n\n**Paragraph citation:** 1926.451(h)(2)(ii)\n\n**Type of requirement:** permitted alternative dimensions\n\n**Value (imperial):** 3\u20444 \u00d7 11\u20442 inch\n\n**Value (metric):** 2 \u00d7 4 cm\n\n**Applies to:** float (ship) scaffolds\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (ii) A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3\u20444 \u00d7 11\u20442 inch (2 \u00d7 4 cm) wood or equivalent may be used in lieu of toeboards;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "float-scaffold-edging-minimum-dimensions.md", "generated": true, "harvested": "2026-09-01", "id": "float-scaffold-edging-minimum-dimensions", "paragraph": "1926.451(h)(2)(ii)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "float-scaffold-edging-minimum-dimensions", "requirement_type": "permitted alternative dimensions", "source_quote": "(ii) A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3\u20444 \u00d7 11\u20442 inch (2 \u00d7 4 cm) wood or equivalent may be used in lieu of toeboards;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-09-01", "title": "float-scaffold-edging-minimum-dimensions \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "3\u20444 \u00d7 11\u20442 inch", "value_metric": "2 \u00d7 4 cm", "verified": false}
{"applies_to": "Handrails, and toprails that are used as handrails", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** handrail-minimum-clearance-from-objects\n\n**Paragraph citation:** 1926.451(e)(4)(vi)\n\n**Type of requirement:** minimum clearance\n\n**Value (imperial):** 3 inches\n\n**Value (metric):** 7.6 cm\n\n**Applies to:** Handrails, and toprails that are used as handrails\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (vi) Handrails, and toprails that are used as handrails, shall be at least 3 inches (7.6 cm) from other objects.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "handrail-minimum-clearance-from-objects.md", "generated": true, "harvested": "2026-08-31", "id": "handrail-minimum-clearance-from-objects", "paragraph": "1926.451(e)(4)(vi)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "handrail-minimum-clearance-from-objects", "requirement_type": "minimum clearance", "source_quote": "(vi) Handrails, and toprails that are used as handrails, shall be at least 3 inches (7.6 cm) from other objects.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "handrail-minimum-clearance-from-objects \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "3 inches", "value_metric": "7.6 cm", "verified": true}
{"applies_to": "Supported scaffolds with a height to base width (including outrigger supports, if used) ratio of more than four to one (4:1)", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** height-to-base-ratio-tying-trigger\n\n**Paragraph citation:** 1926.451(c)(1)\n\n**Type of requirement:** height-to-base ratio trigger\n\n**Value (imperial):** four to one (4:1)\n\n**Applies to:** Supported scaffolds with a height to base width (including outrigger supports, if used) ratio of more than four to one (4:1)\n\n**Regulation section heading:** Criteria for supported scaffolds\n\n> (c) Criteria for supported scaffolds.\n\n> (1) Supported scaffolds with a height to base width (including outrigger supports, if used) ratio of more than four to one (4:1) shall be restrained from tipping by guying, tying, bracing, or equivalent means, as follows:\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "height-to-base-ratio-tying-trigger.md", "generated": true, "harvested": "2026-08-31", "id": "height-to-base-ratio-tying-trigger", "paragraph": "1926.451(c)(1)", "quote_regulation_section": "(c) Criteria for supported scaffolds.", "regulation_section": "Criteria for supported scaffolds", "requirement_id": "height-to-base-ratio-tying-trigger", "requirement_type": "height-to-base ratio trigger", "source_quote": "(1) Supported scaffolds with a height to base width (including outrigger supports, if used) ratio of more than four to one (4:1) shall be restrained from tipping by guying, tying, bracing, or equivalent means, as follows:", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "height-to-base-ratio-tying-trigger \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "four to one (4:1)", "verified": true}
{"applies_to": "any scaffold hoist", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** hoist-stall-load-maximum\n\n**Paragraph citation:** 1926.451(a)(5)\n\n**Type of requirement:** maximum load\n\n**Value (imperial):** 3 times its rated load\n\n**Applies to:** any scaffold hoist\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (5) The stall load of any scaffold hoist shall not exceed 3 times its rated load.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "hoist-stall-load-maximum.md", "generated": true, "harvested": "2026-08-31", "id": "hoist-stall-load-maximum", "paragraph": "1926.451(a)(5)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "hoist-stall-load-maximum", "requirement_type": "maximum load", "source_quote": "(5) The stall load of any scaffold hoist shall not exceed 3 times its rated load.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "hoist-stall-load-maximum \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "3 times its rated load", "verified": true}
{"applies_to": "Hook-on and attachable ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** hook-on-ladder-bottom-rung-maximum-height\n\n**Paragraph citation:** 1926.451(e)(2)(ii)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 24 inches\n\n**Value (metric):** 61 cm\n\n**Applies to:** Hook-on and attachable ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (ii) Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches (61 cm) above the scaffold supporting level;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "hook-on-ladder-bottom-rung-maximum-height.md", "generated": true, "harvested": "2026-08-31", "id": "hook-on-ladder-bottom-rung-maximum-height", "paragraph": "1926.451(e)(2)(ii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "hook-on-ladder-bottom-rung-maximum-height", "requirement_type": "maximum height", "source_quote": "(ii) Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches (61 cm) above the scaffold supporting level;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "hook-on-ladder-bottom-rung-maximum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "24 inches", "value_metric": "61 cm", "verified": true}
{"applies_to": "Hook-on and attachable ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** hook-on-ladder-maximum-rung-spacing\n\n**Paragraph citation:** 1926.451(e)(2)(vi)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 163\u20444 inches\n\n**Applies to:** Hook-on and attachable ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (vi) Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 163\u20444 inches.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "hook-on-ladder-maximum-rung-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "hook-on-ladder-maximum-rung-spacing", "paragraph": "1926.451(e)(2)(vi)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "hook-on-ladder-maximum-rung-spacing", "requirement_type": "maximum spacing", "source_quote": "(vi) Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 163\u20444 inches.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "hook-on-ladder-maximum-rung-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "163\u20444 inches", "verified": true}
{"applies_to": "Hook-on and attachable ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** hook-on-ladder-minimum-rung-length\n\n**Paragraph citation:** 1926.451(e)(2)(v)\n\n**Type of requirement:** minimum length\n\n**Value (imperial):** 111\u20442 inches\n\n**Value (metric):** 29 cm\n\n**Applies to:** Hook-on and attachable ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (v) Hook-on and attachable ladders shall have a minimum rung length of 111\u20442 inches (29 cm); and\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "hook-on-ladder-minimum-rung-length.md", "generated": true, "harvested": "2026-08-31", "id": "hook-on-ladder-minimum-rung-length", "paragraph": "1926.451(e)(2)(v)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "hook-on-ladder-minimum-rung-length", "requirement_type": "minimum length", "source_quote": "(v) Hook-on and attachable ladders shall have a minimum rung length of 111\u20442 inches (29 cm); and", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "hook-on-ladder-minimum-rung-length \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "111\u20442 inches", "value_metric": "29 cm", "verified": true}
{"applies_to": "hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** hook-on-ladder-rest-platform-interval\n\n**Paragraph citation:** 1926.451(e)(2)(iii)\n\n**Type of requirement:** maximum vertical interval\n\n**Value (imperial):** 35-foot\n\n**Value (metric):** 10.7 m\n\n**Applies to:** hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (iii) When hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high, they shall have rest platforms at 35-foot (10.7 m) maximum vertical intervals.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "hook-on-ladder-rest-platform-interval.md", "generated": true, "harvested": "2026-08-31", "id": "hook-on-ladder-rest-platform-interval", "paragraph": "1926.451(e)(2)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "hook-on-ladder-rest-platform-interval", "requirement_type": "maximum vertical interval", "source_quote": "(iii) When hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high, they shall have rest platforms at 35-foot (10.7 m) maximum vertical intervals.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "hook-on-ladder-rest-platform-interval \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "35-foot", "value_metric": "10.7 m", "verified": true}
{"applies_to": "intermediate members (such as balusters or additional rails)", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** intermediate-member-maximum-spacing\n\n**Paragraph citation:** 1926.451(g)(4)(vi)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 19 inches\n\n**Value (metric):** 48 cm\n\n**Applies to:** intermediate members (such as balusters or additional rails)\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (vi) When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "intermediate-member-maximum-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "intermediate-member-maximum-spacing", "paragraph": "1926.451(g)(4)(vi)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "intermediate-member-maximum-spacing", "requirement_type": "maximum spacing", "source_quote": "(vi) When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "intermediate-member-maximum-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "19 inches", "value_metric": "48 cm", "verified": true}
{"applies_to": "each scaffold and scaffold component", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** load-safety-factor-scaffold-and-components\n\n**Paragraph citation:** 1926.451(a)(1)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 4 times the maximum intended load\n\n**Applies to:** each scaffold and scaffold component\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (1) Except as provided in paragraphs (a)(2) , (a)(3) , (a)(4) , (a)(5) and (g) of this section, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "load-safety-factor-scaffold-and-components.md", "generated": true, "harvested": "2026-08-31", "id": "load-safety-factor-scaffold-and-components", "paragraph": "1926.451(a)(1)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "load-safety-factor-scaffold-and-components", "requirement_type": "load safety factor", "source_quote": "(1) Except as provided in paragraphs (a)(2) , (a)(3) , (a)(4) , (a)(5) and (g) of this section, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "load-safety-factor-scaffold-and-components \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "4 times the maximum intended load", "verified": true}
{"applies_to": "the front edge of all platforms", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** max-distance-to-work-face-general\n\n**Paragraph citation:** 1926.451(b)(3)\n\n**Type of requirement:** maximum gap\n\n**Value (imperial):** 14 inches\n\n**Value (metric):** 36 cm\n\n**Applies to:** the front edge of all platforms\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (3) Except as provided in paragraphs (b)(3) (i) and (ii) of this section, the front edge of all platforms shall not be more than 14 inches (36 cm) from the face of the work, unless guardrail systems are erected along the front edge and/or personal fall arrest systems are used in accordance with paragraph (g) of this section to protect employees from falling.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "max-distance-to-work-face-general.md", "generated": true, "harvested": "2026-08-31", "id": "max-distance-to-work-face-general", "paragraph": "1926.451(b)(3)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "max-distance-to-work-face-general", "requirement_type": "maximum gap", "source_quote": "(3) Except as provided in paragraphs (b)(3) (i) and (ii) of this section, the front edge of all platforms shall not be more than 14 inches (36 cm) from the face of the work, unless guardrail systems are erected along the front edge and/or personal fall arrest systems are used in accordance with paragraph (g) of this section to protect employees from falling.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "max-distance-to-work-face-general \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "14 inches", "value_metric": "36 cm", "verified": true}
{"applies_to": "outrigger scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** max-distance-to-work-face-outrigger\n\n**Paragraph citation:** 1926.451(b)(3)(i)\n\n**Type of requirement:** maximum gap\n\n**Value (imperial):** 3 inches\n\n**Value (metric):** 8 cm\n\n**Applies to:** outrigger scaffolds\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (i) The maximum distance from the face for outrigger scaffolds shall be 3 inches (8 cm);\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "max-distance-to-work-face-outrigger.md", "generated": true, "harvested": "2026-08-31", "id": "max-distance-to-work-face-outrigger", "paragraph": "1926.451(b)(3)(i)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "max-distance-to-work-face-outrigger", "requirement_type": "maximum gap", "source_quote": "(i) The maximum distance from the face for outrigger scaffolds shall be 3 inches (8 cm);", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "max-distance-to-work-face-outrigger \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "3 inches", "value_metric": "8 cm", "verified": true}
{"applies_to": "plastering and lathing operations", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** max-distance-to-work-face-plastering-lathing\n\n**Paragraph citation:** 1926.451(b)(3)(ii)\n\n**Type of requirement:** maximum gap\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 46 cm\n\n**Applies to:** plastering and lathing operations\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (ii) The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "max-distance-to-work-face-plastering-lathing.md", "generated": true, "harvested": "2026-08-31", "id": "max-distance-to-work-face-plastering-lathing", "paragraph": "1926.451(b)(3)(ii)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "max-distance-to-work-face-plastering-lathing", "requirement_type": "maximum gap", "source_quote": "(ii) The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "max-distance-to-work-face-plastering-lathing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "46 cm", "verified": true}
{"applies_to": "guardrail systems with a minimum 100 pound toprail capacity", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** midrail-minimum-strength-100-pound-systems\n\n**Paragraph citation:** 1926.451(g)(4)(ix)\n\n**Type of requirement:** minimum strength\n\n**Value (imperial):** 75 pounds\n\n**Value (metric):** 333 n\n\n**Applies to:** guardrail systems with a minimum 100 pound toprail capacity\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (ix) Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "midrail-minimum-strength-100-pound-systems.md", "generated": true, "harvested": "2026-08-31", "id": "midrail-minimum-strength-100-pound-systems", "paragraph": "1926.451(g)(4)(ix)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "midrail-minimum-strength-100-pound-systems", "requirement_type": "minimum strength", "source_quote": "(ix) Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "midrail-minimum-strength-100-pound-systems \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "75 pounds", "value_metric": "333 n", "verified": true}
{"applies_to": "guardrail systems with a minimum 200 pound toprail capacity", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** midrail-minimum-strength-200-pound-systems\n\n**Paragraph citation:** 1926.451(g)(4)(ix)\n\n**Type of requirement:** minimum strength\n\n**Value (imperial):** 150 pounds\n\n**Value (metric):** 666 n\n\n**Applies to:** guardrail systems with a minimum 200 pound toprail capacity\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (ix) Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "midrail-minimum-strength-200-pound-systems.md", "generated": true, "harvested": "2026-08-31", "id": "midrail-minimum-strength-200-pound-systems", "paragraph": "1926.451(g)(4)(ix)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "midrail-minimum-strength-200-pound-systems", "requirement_type": "minimum strength", "source_quote": "(ix) Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "midrail-minimum-strength-200-pound-systems \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "150 pounds", "value_metric": "666 n", "verified": true}
{"applies_to": "Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** min-platform-width-bracket-and-jack-scaffolds\n\n**Paragraph citation:** 1926.451(b)(2)(i)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 12 inches\n\n**Value (metric):** 30 cm\n\n**Applies to:** Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (i) Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. There is no minimum width requirement for boatswains' chairs.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "min-platform-width-bracket-and-jack-scaffolds.md", "generated": true, "harvested": "2026-08-31", "id": "min-platform-width-bracket-and-jack-scaffolds", "paragraph": "1926.451(b)(2)(i)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "min-platform-width-bracket-and-jack-scaffolds", "requirement_type": "minimum width", "source_quote": "(i) Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. There is no minimum width requirement for boatswains' chairs.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "min-platform-width-bracket-and-jack-scaffolds \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "12 inches", "value_metric": "30 cm", "verified": true}
{"applies_to": "each scaffold platform and walkway", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** min-platform-width-general\n\n**Paragraph citation:** 1926.451(b)(2)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 46 cm\n\n**Applies to:** each scaffold platform and walkway\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (2) Except as provided in paragraphs (b)(2)(i) and (b)(2)(ii) of this section, each scaffold platform and walkway shall be at least 18 inches (46 cm) wide.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "min-platform-width-general.md", "generated": true, "harvested": "2026-08-31", "id": "min-platform-width-general", "paragraph": "1926.451(b)(2)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "min-platform-width-general", "requirement_type": "minimum width", "source_quote": "(2) Except as provided in paragraphs (b)(2)(i) and (b)(2)(ii) of this section, each scaffold platform and walkway shall be at least 18 inches (46 cm) wide.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "min-platform-width-general \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "46 cm", "verified": true}
{"applies_to": "mobile scaffold stairway-type ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** mobile-stairway-type-ladder-minimum-step-width\n\n**Paragraph citation:** 1926.451(e)(3)(iii)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 111\u20442 inches\n\n**Value (metric):** 30 cm\n\n**Applies to:** mobile scaffold stairway-type ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; (iii) Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 111\u20442 inches (30 cm); and\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "mobile-stairway-type-ladder-minimum-step-width.md", "generated": true, "harvested": "2026-08-31", "id": "mobile-stairway-type-ladder-minimum-step-width", "paragraph": "1926.451(e)(3)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "mobile-stairway-type-ladder-minimum-step-width", "requirement_type": "minimum width", "source_quote": "(3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; (iii) Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 111\u20442 inches (30 cm); and", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "mobile-stairway-type-ladder-minimum-step-width \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "111\u20442 inches", "value_metric": "30 cm", "verified": true}
{"applies_to": "Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform)", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-gap-adjacent-units-and-uprights\n\n**Paragraph citation:** 1926.451(b)(1)(i)\n\n**Type of requirement:** maximum gap\n\n**Value (imperial):** 1 inch\n\n**Value (metric):** 2.5 cm\n\n**Applies to:** Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform)\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (i) Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform) shall be installed so that the space between adjacent units and the space between the platform and the uprights is no more than 1 inch (2.5 cm) wide, except where the employer can demonstrate that a wider space is necessary (for example, to fit around uprights when side brackets are used to extend the width of the platform).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-gap-adjacent-units-and-uprights.md", "generated": true, "harvested": "2026-08-31", "id": "platform-gap-adjacent-units-and-uprights", "paragraph": "1926.451(b)(1)(i)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-gap-adjacent-units-and-uprights", "requirement_type": "maximum gap", "source_quote": "(i) Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform) shall be installed so that the space between adjacent units and the space between the platform and the uprights is no more than 1 inch (2.5 cm) wide, except where the employer can demonstrate that a wider space is necessary (for example, to fit around uprights when side brackets are used to extend the width of the platform).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-gap-adjacent-units-and-uprights \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1 inch", "value_metric": "2.5 cm", "verified": true}
{"applies_to": "the remaining open space between the platform and the uprights", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-gap-to-uprights-demonstrated-exception\n\n**Paragraph citation:** 1926.451(b)(1)(ii)\n\n**Type of requirement:** maximum gap\n\n**Value (imperial):** 91\u20442 inches\n\n**Value (metric):** 24.1 cm\n\n**Applies to:** the remaining open space between the platform and the uprights\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (ii) Where the employer makes the demonstration provided for in paragraph (b)(1)(i) of this section, the platform shall be planked or decked as fully as possible and the remaining open space between the platform and the uprights shall not exceed 91\u20442 inches (24.1 cm).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-gap-to-uprights-demonstrated-exception.md", "generated": true, "harvested": "2026-08-31", "id": "platform-gap-to-uprights-demonstrated-exception", "paragraph": "1926.451(b)(1)(ii)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-gap-to-uprights-demonstrated-exception", "requirement_type": "maximum gap", "source_quote": "(ii) Where the employer makes the demonstration provided for in paragraph (b)(1)(i) of this section, the platform shall be planked or decked as fully as possible and the remaining open space between the platform and the uprights shall not exceed 91\u20442 inches (24.1 cm).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-gap-to-uprights-demonstrated-exception \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "91\u20442 inches", "value_metric": "24.1 cm", "verified": true}
{"applies_to": "Platforms", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-maximum-deflection\n\n**Paragraph citation:** 1926.451(f)(16)\n\n**Type of requirement:** maximum deflection\n\n**Value (imperial):** 1\u204460 of the span\n\n**Applies to:** Platforms\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> (16) Platforms shall not deflect more than 1\u204460 of the span when loaded.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-maximum-deflection.md", "generated": true, "harvested": "2026-08-31", "id": "platform-maximum-deflection", "paragraph": "1926.451(f)(16)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "platform-maximum-deflection", "requirement_type": "maximum deflection", "source_quote": "(16) Platforms shall not deflect more than 1\u204460 of the span when loaded.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-maximum-deflection \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1\u204460 of the span", "verified": true}
{"applies_to": "Each end of a platform 10 feet or less in length", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-overhang-maximum-10-feet-or-less\n\n**Paragraph citation:** 1926.451(b)(5)(i)\n\n**Type of requirement:** maximum overhang\n\n**Value (imperial):** 12 inches\n\n**Value (metric):** 30 cm\n\n**Applies to:** Each end of a platform 10 feet or less in length\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (i) Each end of a platform 10 feet or less in length shall not extend over its support more than 12 inches (30 cm) unless the platform is designed and installed so that the cantilevered portion of the platform is able to support employees and/or materials without tipping, or has guardrails which block employee access to the cantilevered end.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-overhang-maximum-10-feet-or-less.md", "generated": true, "harvested": "2026-08-31", "id": "platform-overhang-maximum-10-feet-or-less", "paragraph": "1926.451(b)(5)(i)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-overhang-maximum-10-feet-or-less", "requirement_type": "maximum overhang", "source_quote": "(i) Each end of a platform 10 feet or less in length shall not extend over its support more than 12 inches (30 cm) unless the platform is designed and installed so that the cantilevered portion of the platform is able to support employees and/or materials without tipping, or has guardrails which block employee access to the cantilevered end.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-overhang-maximum-10-feet-or-less \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "12 inches", "value_metric": "30 cm", "verified": true}
{"applies_to": "Each platform greater than 10 feet in length", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-overhang-maximum-over-10-feet\n\n**Paragraph citation:** 1926.451(b)(5)(ii)\n\n**Type of requirement:** maximum overhang\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 46 cm\n\n**Applies to:** Each platform greater than 10 feet in length\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (ii) Each platform greater than 10 feet in length shall not extend over its support more than 18 inches (46 cm), unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-overhang-maximum-over-10-feet.md", "generated": true, "harvested": "2026-08-31", "id": "platform-overhang-maximum-over-10-feet", "paragraph": "1926.451(b)(5)(ii)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-overhang-maximum-over-10-feet", "requirement_type": "maximum overhang", "source_quote": "(ii) Each platform greater than 10 feet in length shall not extend over its support more than 18 inches (46 cm), unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-overhang-maximum-over-10-feet \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "46 cm", "verified": true}
{"applies_to": "Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-overhang-minimum\n\n**Paragraph citation:** 1926.451(b)(4)\n\n**Type of requirement:** minimum overhang\n\n**Value (imperial):** 6 inches\n\n**Value (metric):** 15 cm\n\n**Applies to:** Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (4) Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least 6 inches (15 cm).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-overhang-minimum.md", "generated": true, "harvested": "2026-08-31", "id": "platform-overhang-minimum", "paragraph": "1926.451(b)(4)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-overhang-minimum", "requirement_type": "minimum overhang", "source_quote": "(4) Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least 6 inches (15 cm).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-overhang-minimum \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "6 inches", "value_metric": "15 cm", "verified": true}
{"applies_to": "scaffolds where platforms are overlapped to create a long platform", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** platform-overlap-minimum\n\n**Paragraph citation:** 1926.451(b)(7)\n\n**Type of requirement:** minimum overlap\n\n**Value (imperial):** 12 inches\n\n**Value (metric):** 30 cm\n\n**Applies to:** scaffolds where platforms are overlapped to create a long platform\n\n**Regulation section heading:** Scaffold platform construction\n\n> (b) Scaffold platform construction.\n\n> (7) On scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches (30 cm) unless the platforms are nailed together or otherwise restrained to prevent movement.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "platform-overlap-minimum.md", "generated": true, "harvested": "2026-08-31", "id": "platform-overlap-minimum", "paragraph": "1926.451(b)(7)", "quote_regulation_section": "(b) Scaffold platform construction.", "regulation_section": "Scaffold platform construction", "requirement_id": "platform-overlap-minimum", "requirement_type": "minimum overlap", "source_quote": "(7) On scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches (30 cm) unless the platforms are nailed together or otherwise restrained to prevent movement.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "platform-overlap-minimum \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "12 inches", "value_metric": "30 cm", "verified": true}
{"applies_to": "300 volts to 50 kv", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** powerline-clearance-insulated-300-volts-to-50-kv\n\n**Paragraph citation:** 1926.451(f)(6)\n\n**Type of requirement:** minimum clearance from insulated power lines\n\n**Value (imperial):** 10 feet\n\n**Value (metric):** 3.1m\n\n**Applies to:** 300 volts to 50 kv\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) | | 300 volts to 50 kv | 10 feet (3.1m) |\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "powerline-clearance-insulated-300-volts-to-50-kv.md", "generated": true, "harvested": "2026-08-31", "id": "powerline-clearance-insulated-300-volts-to-50-kv", "paragraph": "1926.451(f)(6)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "powerline-clearance-insulated-300-volts-to-50-kv", "requirement_type": "minimum clearance from insulated power lines", "source_quote": "Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) | | 300 volts to 50 kv | 10 feet (3.1m) |", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "powerline-clearance-insulated-300-volts-to-50-kv \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "10 feet", "value_metric": "3.1m", "verified": true}
{"applies_to": "More than 50 kv", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** powerline-clearance-insulated-over-50-kv\n\n**Paragraph citation:** 1926.451(f)(6)\n\n**Type of requirement:** minimum clearance from insulated power lines\n\n**Value (imperial):** 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv\n\n**Applies to:** More than 50 kv\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) | | 300 volts to 50 kv | 10 feet (3.1m) | | More than 50 kv | 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv | 2 times the length of the line insulator, but never less than 10 feet (3.1 m). |\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "powerline-clearance-insulated-over-50-kv.md", "generated": true, "harvested": "2026-08-31", "id": "powerline-clearance-insulated-over-50-kv", "paragraph": "1926.451(f)(6)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "powerline-clearance-insulated-over-50-kv", "requirement_type": "minimum clearance from insulated power lines", "source_quote": "Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) | | 300 volts to 50 kv | 10 feet (3.1m) | | More than 50 kv | 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv | 2 times the length of the line insulator, but never less than 10 feet (3.1 m). |", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "powerline-clearance-insulated-over-50-kv \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv", "verified": true}
{"applies_to": "Less than 300 volts", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** powerline-clearance-insulated-under-300-volts\n\n**Paragraph citation:** 1926.451(f)(6)\n\n**Type of requirement:** minimum clearance from insulated power lines\n\n**Value (imperial):** 3 feet\n\n**Value (metric):** 0.9 m\n\n**Applies to:** Less than 300 volts\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) |\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "powerline-clearance-insulated-under-300-volts.md", "generated": true, "harvested": "2026-08-31", "id": "powerline-clearance-insulated-under-300-volts", "paragraph": "1926.451(f)(6)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "powerline-clearance-insulated-under-300-volts", "requirement_type": "minimum clearance from insulated power lines", "source_quote": "Insulated lines voltage | Minimum distance | Alternatives | Less than 300 volts | 3 feet (0.9 m) |", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "powerline-clearance-insulated-under-300-volts \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "3 feet", "value_metric": "0.9 m", "verified": true}
{"applies_to": "More than 50 kv", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** powerline-clearance-uninsulated-over-50-kv\n\n**Paragraph citation:** 1926.451(f)(6)\n\n**Type of requirement:** minimum clearance from uninsulated power lines\n\n**Value (imperial):** 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv\n\n**Applies to:** More than 50 kv\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> Uninsulated lines voltage | Minimum distance | Alternatives | Less than 50 kv | 10 feet (3.1 m) | | More than 50 kv | 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv | 2 times the length of the line insulator, but never less than 10 feet (3.1 m). |\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "powerline-clearance-uninsulated-over-50-kv.md", "generated": true, "harvested": "2026-08-31", "id": "powerline-clearance-uninsulated-over-50-kv", "paragraph": "1926.451(f)(6)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "powerline-clearance-uninsulated-over-50-kv", "requirement_type": "minimum clearance from uninsulated power lines", "source_quote": "Uninsulated lines voltage | Minimum distance | Alternatives | Less than 50 kv | 10 feet (3.1 m) | | More than 50 kv | 10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv | 2 times the length of the line insulator, but never less than 10 feet (3.1 m). |", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "powerline-clearance-uninsulated-over-50-kv \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "10 feet (3.1 m) plus 0.4 inches (1.0 cm) for each 1 kv over 50 kv", "verified": true}
{"applies_to": "Less than 50 kv", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** powerline-clearance-uninsulated-under-50-kv\n\n**Paragraph citation:** 1926.451(f)(6)\n\n**Type of requirement:** minimum clearance from uninsulated power lines\n\n**Value (imperial):** 10 feet\n\n**Value (metric):** 3.1 m\n\n**Applies to:** Less than 50 kv\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> Uninsulated lines voltage | Minimum distance | Alternatives | Less than 50 kv | 10 feet (3.1 m) |\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "powerline-clearance-uninsulated-under-50-kv.md", "generated": true, "harvested": "2026-08-31", "id": "powerline-clearance-uninsulated-under-50-kv", "paragraph": "1926.451(f)(6)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "powerline-clearance-uninsulated-under-50-kv", "requirement_type": "minimum clearance from uninsulated power lines", "source_quote": "Uninsulated lines voltage | Minimum distance | Alternatives | Less than 50 kv | 10 feet (3.1 m) |", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "powerline-clearance-uninsulated-under-50-kv \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "10 feet", "value_metric": "3.1 m", "verified": true}
{"applies_to": "Integral prefabricated scaffold access frames", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** prefabricated-access-frame-maximum-rung-spacing\n\n**Paragraph citation:** 1926.451(e)(6)(vi)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 163\u20444 inches\n\n**Value (metric):** 43 cm\n\n**Applies to:** Integral prefabricated scaffold access frames\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (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\u20442 inches in length, unless each affected employee uses fall protection, or a positioning device, which complies with \u00a7 1926.502 ; (iv) Be uniformly spaced within each frame section; (v) Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and (vi) Have a maximum spacing between rungs of 163\u20444 inches (43 cm). Non-uniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed 163\u20444 inches (43 cm).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "prefabricated-access-frame-maximum-rung-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "prefabricated-access-frame-maximum-rung-spacing", "paragraph": "1926.451(e)(6)(vi)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "prefabricated-access-frame-maximum-rung-spacing", "requirement_type": "maximum spacing", "source_quote": "(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\u20442 inches in length, unless each affected employee uses fall protection, or a positioning device, which complies with \u00a7 1926.502 ; (iv) Be uniformly spaced within each frame section; (v) Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and (vi) Have a maximum spacing between rungs of 163\u20444 inches (43 cm). Non-uniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed 163\u20444 inches (43 cm).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "prefabricated-access-frame-maximum-rung-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "163\u20444 inches", "value_metric": "43 cm", "verified": true}
{"applies_to": "Integral prefabricated scaffold access frames", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** prefabricated-access-frame-minimum-rung-length\n\n**Paragraph citation:** 1926.451(e)(6)(ii)\n\n**Type of requirement:** minimum length\n\n**Value (imperial):** 8 inches\n\n**Value (metric):** 20 cm\n\n**Applies to:** Integral prefabricated scaffold access frames\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (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);\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "prefabricated-access-frame-minimum-rung-length.md", "generated": true, "harvested": "2026-08-31", "id": "prefabricated-access-frame-minimum-rung-length", "paragraph": "1926.451(e)(6)(ii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "prefabricated-access-frame-minimum-rung-length", "requirement_type": "minimum length", "source_quote": "(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);", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "prefabricated-access-frame-minimum-rung-length \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "8 inches", "value_metric": "20 cm", "verified": true}
{"applies_to": "all supported scaffolds more than 35 feet (10.7 m) high", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** prefabricated-access-frame-rest-platform-interval\n\n**Paragraph citation:** 1926.451(e)(6)(v)\n\n**Type of requirement:** maximum vertical interval\n\n**Value (imperial):** 35-foot\n\n**Value (metric):** 10.7 m\n\n**Applies to:** all supported scaffolds more than 35 feet (10.7 m) high\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (v) Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "prefabricated-access-frame-rest-platform-interval.md", "generated": true, "harvested": "2026-08-31", "id": "prefabricated-access-frame-rest-platform-interval", "paragraph": "1926.451(e)(6)(v)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "prefabricated-access-frame-rest-platform-interval", "requirement_type": "maximum vertical interval", "source_quote": "(v) Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "prefabricated-access-frame-rest-platform-interval \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "35-foot", "value_metric": "10.7 m", "verified": true}
{"applies_to": "Integral prefabricated scaffold access frames", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** prefabricated-access-frame-work-platform-minimum-rung-length\n\n**Paragraph citation:** 1926.451(e)(6)(iii)\n\n**Type of requirement:** minimum length\n\n**Value (imperial):** 111\u20442 inches\n\n**Applies to:** Integral prefabricated scaffold access frames\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (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\u20442 inches in length\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "prefabricated-access-frame-work-platform-minimum-rung-length.md", "generated": true, "harvested": "2026-08-31", "id": "prefabricated-access-frame-work-platform-minimum-rung-length", "paragraph": "1926.451(e)(6)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "prefabricated-access-frame-work-platform-minimum-rung-length", "requirement_type": "minimum length", "source_quote": "(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\u20442 inches in length", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "prefabricated-access-frame-work-platform-minimum-rung-length \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "111\u20442 inches", "verified": true}
{"applies_to": "the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** ramp-walkway-cleat-maximum-spacing\n\n**Paragraph citation:** 1926.451(e)(5)(iii)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** fourteen (14) inches\n\n**Value (metric):** 35 cm\n\n**Applies to:** the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (iii) If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not more than fourteen (14) inches (35 cm) apart which are securely fastened to the planks to provide footing.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "ramp-walkway-cleat-maximum-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "ramp-walkway-cleat-maximum-spacing", "paragraph": "1926.451(e)(5)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "ramp-walkway-cleat-maximum-spacing", "requirement_type": "maximum spacing", "source_quote": "(iii) If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not more than fourteen (14) inches (35 cm) apart which are securely fastened to the planks to provide footing.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "ramp-walkway-cleat-maximum-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "fourteen (14) inches", "value_metric": "35 cm", "verified": true}
{"applies_to": "Ramps and walkways", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** ramp-walkway-guardrail-trigger-height\n\n**Paragraph citation:** 1926.451(e)(5)(i)\n\n**Type of requirement:** trigger height\n\n**Value (imperial):** 6 feet\n\n**Value (metric):** 1.8 m\n\n**Applies to:** Ramps and walkways\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (i) Ramps and walkways 6 feet (1.8 m) or more above lower levels shall have guardrail systems which comply with subpart M of this part\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "ramp-walkway-guardrail-trigger-height.md", "generated": true, "harvested": "2026-08-31", "id": "ramp-walkway-guardrail-trigger-height", "paragraph": "1926.451(e)(5)(i)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "ramp-walkway-guardrail-trigger-height", "requirement_type": "trigger height", "source_quote": "(i) Ramps and walkways 6 feet (1.8 m) or more above lower levels shall have guardrail systems which comply with subpart M of this part", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "ramp-walkway-guardrail-trigger-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "6 feet", "value_metric": "1.8 m", "verified": true}
{"applies_to": "ramp or walkway", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** ramp-walkway-maximum-slope\n\n**Paragraph citation:** 1926.451(e)(5)(ii)\n\n**Type of requirement:** maximum slope\n\n**Value (imperial):** one (1) vertical to three (3) horizontal (20 degrees above the horizontal)\n\n**Applies to:** ramp or walkway\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (ii) No ramp or walkway shall be inclined more than a slope of one (1) vertical to three (3) horizontal (20 degrees above the horizontal).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "ramp-walkway-maximum-slope.md", "generated": true, "harvested": "2026-08-31", "id": "ramp-walkway-maximum-slope", "paragraph": "1926.451(e)(5)(ii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "ramp-walkway-maximum-slope", "requirement_type": "maximum slope", "source_quote": "(ii) No ramp or walkway shall be inclined more than a slope of one (1) vertical to three (3) horizontal (20 degrees above the horizontal).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "ramp-walkway-maximum-slope \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "one (1) vertical to three (3) horizontal (20 degrees above the horizontal)", "verified": true}
{"applies_to": "Ropes", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-replacement-broken-wires-per-rope-lay\n\n**Paragraph citation:** 1926.451(d)(10)(iii)\n\n**Type of requirement:** replacement threshold\n\n**Value (imperial):** Six randomly distributed broken wires in one rope lay\n\n**Applies to:** Ropes\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-replacement-broken-wires-per-rope-lay.md", "generated": true, "harvested": "2026-08-31", "id": "rope-replacement-broken-wires-per-rope-lay", "paragraph": "1926.451(d)(10)(iii)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "rope-replacement-broken-wires-per-rope-lay", "requirement_type": "replacement threshold", "source_quote": "(10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-replacement-broken-wires-per-rope-lay \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "Six randomly distributed broken wires in one rope lay", "verified": true}
{"applies_to": "Ropes", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-replacement-broken-wires-per-strand\n\n**Paragraph citation:** 1926.451(d)(10)(iii)\n\n**Type of requirement:** replacement threshold\n\n**Value (imperial):** three broken wires in one strand in one rope lay\n\n**Applies to:** Ropes\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-replacement-broken-wires-per-strand.md", "generated": true, "harvested": "2026-08-31", "id": "rope-replacement-broken-wires-per-strand", "paragraph": "1926.451(d)(10)(iii)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "rope-replacement-broken-wires-per-strand", "requirement_type": "replacement threshold", "source_quote": "(10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-replacement-broken-wires-per-strand \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "three broken wires in one strand in one rope lay", "verified": true}
{"applies_to": "Ropes", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-replacement-outside-wire-diameter-loss\n\n**Paragraph citation:** 1926.451(d)(10)(iv)\n\n**Type of requirement:** replacement threshold\n\n**Value (imperial):** more than one-third of the original diameter of the outside wires\n\n**Applies to:** Ropes\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay. (iv) Abrasion, corrosion, scrubbing, flattening or peening causing loss of more than one-third of the original diameter of the outside wires.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-replacement-outside-wire-diameter-loss.md", "generated": true, "harvested": "2026-08-31", "id": "rope-replacement-outside-wire-diameter-loss", "paragraph": "1926.451(d)(10)(iv)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "rope-replacement-outside-wire-diameter-loss", "requirement_type": "replacement threshold", "source_quote": "(10) Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Ropes shall be replaced if any of the following conditions exist: (i) Any physical damage which impairs the function and strength of the rope. (ii) Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). (iii) Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay. (iv) Abrasion, corrosion, scrubbing, flattening or peening causing loss of more than one-third of the original diameter of the outside wires.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-replacement-outside-wire-diameter-loss \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "more than one-third of the original diameter of the outside wires", "verified": true}
{"applies_to": "Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-safety-factor-adjustable-suspension-stall-load\n\n**Paragraph citation:** 1926.451(a)(4)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 2 (minimum) times the stall load of the hoist\n\n**Applies to:** Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (4) Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever is greater.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-safety-factor-adjustable-suspension-stall-load.md", "generated": true, "harvested": "2026-08-31", "id": "rope-safety-factor-adjustable-suspension-stall-load", "paragraph": "1926.451(a)(4)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "rope-safety-factor-adjustable-suspension-stall-load", "requirement_type": "load safety factor", "source_quote": "(4) Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever is greater.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-safety-factor-adjustable-suspension-stall-load \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "2 (minimum) times the stall load of the hoist", "verified": true}
{"applies_to": "Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-safety-factor-adjustable-suspension\n\n**Paragraph citation:** 1926.451(a)(4)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 6 times the maximum intended load\n\n**Applies to:** Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (4) Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever is greater.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-safety-factor-adjustable-suspension.md", "generated": true, "harvested": "2026-08-31", "id": "rope-safety-factor-adjustable-suspension", "paragraph": "1926.451(a)(4)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "rope-safety-factor-adjustable-suspension", "requirement_type": "load safety factor", "source_quote": "(4) Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever is greater.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-safety-factor-adjustable-suspension \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "6 times the maximum intended load", "verified": true}
{"applies_to": "Each suspension rope, including connecting hardware, used on non-adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** rope-safety-factor-non-adjustable-suspension\n\n**Paragraph citation:** 1926.451(a)(3)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 6 times the maximum intended load\n\n**Applies to:** Each suspension rope, including connecting hardware, used on non-adjustable suspension scaffolds\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (3) Each suspension rope, including connecting hardware, used on non-adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "rope-safety-factor-non-adjustable-suspension.md", "generated": true, "harvested": "2026-08-31", "id": "rope-safety-factor-non-adjustable-suspension", "paragraph": "1926.451(a)(3)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "rope-safety-factor-non-adjustable-suspension", "requirement_type": "load safety factor", "source_quote": "(3) Each suspension rope, including connecting hardware, used on non-adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "rope-safety-factor-non-adjustable-suspension \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "6 times the maximum intended load", "verified": true}
{"applies_to": "Each scaffold stairway", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** scaffold-stairway-minimum-width-between-stairrails\n\n**Paragraph citation:** 1926.451(e)(4)(ix)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 45.7 cm\n\n**Applies to:** Each scaffold stairway\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (ix) Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "scaffold-stairway-minimum-width-between-stairrails.md", "generated": true, "harvested": "2026-08-31", "id": "scaffold-stairway-minimum-width-between-stairrails", "paragraph": "1926.451(e)(4)(ix)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "scaffold-stairway-minimum-width-between-stairrails", "requirement_type": "minimum width", "source_quote": "(ix) Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "scaffold-stairway-minimum-width-between-stairrails \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "45.7 cm", "verified": true}
{"applies_to": "A landing platform", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stair-landing-platform-minimum-length\n\n**Paragraph citation:** 1926.451(e)(4)(viii)\n\n**Type of requirement:** minimum length\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 45.7 cm\n\n**Applies to:** A landing platform\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (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.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stair-landing-platform-minimum-length.md", "generated": true, "harvested": "2026-08-31", "id": "stair-landing-platform-minimum-length", "paragraph": "1926.451(e)(4)(viii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stair-landing-platform-minimum-length", "requirement_type": "minimum length", "source_quote": "(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.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stair-landing-platform-minimum-length \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "45.7 cm", "verified": true}
{"applies_to": "A landing platform", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stair-landing-platform-minimum-width\n\n**Paragraph citation:** 1926.451(e)(4)(viii)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 18 inches\n\n**Value (metric):** 45.7 cm\n\n**Applies to:** A landing platform\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (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.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stair-landing-platform-minimum-width.md", "generated": true, "harvested": "2026-08-31", "id": "stair-landing-platform-minimum-width", "paragraph": "1926.451(e)(4)(viii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stair-landing-platform-minimum-width", "requirement_type": "minimum width", "source_quote": "(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.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stair-landing-platform-minimum-width \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "18 inches", "value_metric": "45.7 cm", "verified": true}
{"applies_to": "Riser height", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stair-riser-height-maximum-variation\n\n**Paragraph citation:** 1926.451(e)(4)(xiii)\n\n**Type of requirement:** maximum variation\n\n**Value (imperial):** 1\u20444 inch\n\n**Value (metric):** 0.6 cm\n\n**Applies to:** Riser height\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (xiii) Riser height shall be uniform, within 1\u20444 inch, (0.6 cm) for each flight of stairs. Greater variations in riser height are allowed for the top and bottom steps of the entire system, not for each flight of stairs.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stair-riser-height-maximum-variation.md", "generated": true, "harvested": "2026-08-31", "id": "stair-riser-height-maximum-variation", "paragraph": "1926.451(e)(4)(xiii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stair-riser-height-maximum-variation", "requirement_type": "maximum variation", "source_quote": "(xiii) Riser height shall be uniform, within 1\u20444 inch, (0.6 cm) for each flight of stairs. Greater variations in riser height are allowed for the top and bottom steps of the entire system, not for each flight of stairs.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stair-riser-height-maximum-variation \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1\u20444 inch", "value_metric": "0.6 cm", "verified": true}
{"applies_to": "Tread depth", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stair-tread-depth-maximum-variation\n\n**Paragraph citation:** 1926.451(e)(4)(xiv)\n\n**Type of requirement:** maximum variation\n\n**Value (imperial):** 1\u20444 inch\n\n**Applies to:** Tread depth\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (xiv) Tread depth shall be uniform, within 1\u20444 inch, for each flight of stairs.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stair-tread-depth-maximum-variation.md", "generated": true, "harvested": "2026-08-31", "id": "stair-tread-depth-maximum-variation", "paragraph": "1926.451(e)(4)(xiv)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stair-tread-depth-maximum-variation", "requirement_type": "maximum variation", "source_quote": "(xiv) Tread depth shall be uniform, within 1\u20444 inch, for each flight of stairs.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stair-tread-depth-maximum-variation \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1\u20444 inch", "verified": true}
{"applies_to": "Stairrails", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairrail-maximum-height\n\n**Paragraph citation:** 1926.451(e)(4)(vii)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 37 inches\n\n**Value (metric):** 94 cm\n\n**Applies to:** Stairrails\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (vii) Stairrails shall be not less than 28 inches (71 cm) nor more than 37 inches (94 cm) from the upper surface of the stairrail to the surface of the tread, in line with the face of the riser at the forward edge of the tread.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairrail-maximum-height.md", "generated": true, "harvested": "2026-08-31", "id": "stairrail-maximum-height", "paragraph": "1926.451(e)(4)(vii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairrail-maximum-height", "requirement_type": "maximum height", "source_quote": "(vii) Stairrails shall be not less than 28 inches (71 cm) nor more than 37 inches (94 cm) from the upper surface of the stairrail to the surface of the tread, in line with the face of the riser at the forward edge of the tread.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairrail-maximum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "37 inches", "value_metric": "94 cm", "verified": true}
{"applies_to": "Stairrails", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairrail-minimum-height\n\n**Paragraph citation:** 1926.451(e)(4)(vii)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** 28 inches\n\n**Value (metric):** 71 cm\n\n**Applies to:** Stairrails\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (vii) Stairrails shall be not less than 28 inches (71 cm) nor more than 37 inches (94 cm) from the upper surface of the stairrail to the surface of the tread, in line with the face of the riser at the forward edge of the tread.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairrail-minimum-height.md", "generated": true, "harvested": "2026-08-31", "id": "stairrail-minimum-height", "paragraph": "1926.451(e)(4)(vii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairrail-minimum-height", "requirement_type": "minimum height", "source_quote": "(vii) Stairrails shall be not less than 28 inches (71 cm) nor more than 37 inches (94 cm) from the upper surface of the stairrail to the surface of the tread, in line with the face of the riser at the forward edge of the tread.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairrail-minimum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "28 inches", "value_metric": "71 cm", "verified": true}
{"applies_to": "Stairtowers (scaffold stairway/towers)", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairtower-bottom-step-maximum-height\n\n**Paragraph citation:** 1926.451(e)(4)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 24 inches\n\n**Value (metric):** 61 cm.\n\n**Applies to:** Stairtowers (scaffold stairway/towers)\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (4) Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) above the scaffold supporting level.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairtower-bottom-step-maximum-height.md", "generated": true, "harvested": "2026-08-31", "id": "stairtower-bottom-step-maximum-height", "paragraph": "1926.451(e)(4)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairtower-bottom-step-maximum-height", "requirement_type": "maximum height", "source_quote": "(4) Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) above the scaffold supporting level.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairtower-bottom-step-maximum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "24 inches", "value_metric": "61 cm.", "verified": true}
{"applies_to": "Stairways", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairway-maximum-angle-from-horizontal\n\n**Paragraph citation:** 1926.451(e)(4)(xi)\n\n**Type of requirement:** maximum angle\n\n**Value (imperial):** 60 degrees\n\n**Applies to:** Stairways\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (xi) Stairways shall be installed between 40 degrees and 60 degrees from the horizontal.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairway-maximum-angle-from-horizontal.md", "generated": true, "harvested": "2026-08-31", "id": "stairway-maximum-angle-from-horizontal", "paragraph": "1926.451(e)(4)(xi)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairway-maximum-angle-from-horizontal", "requirement_type": "maximum angle", "source_quote": "(xi) Stairways shall be installed between 40 degrees and 60 degrees from the horizontal.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairway-maximum-angle-from-horizontal \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "60 degrees", "verified": true}
{"applies_to": "Stairways", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairway-minimum-angle-from-horizontal\n\n**Paragraph citation:** 1926.451(e)(4)(xi)\n\n**Type of requirement:** minimum angle\n\n**Value (imperial):** 40 degrees\n\n**Applies to:** Stairways\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (xi) Stairways shall be installed between 40 degrees and 60 degrees from the horizontal.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairway-minimum-angle-from-horizontal.md", "generated": true, "harvested": "2026-08-31", "id": "stairway-minimum-angle-from-horizontal", "paragraph": "1926.451(e)(4)(xi)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairway-minimum-angle-from-horizontal", "requirement_type": "minimum angle", "source_quote": "(xi) Stairways shall be installed between 40 degrees and 60 degrees from the horizontal.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairway-minimum-angle-from-horizontal \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "40 degrees", "verified": true}
{"applies_to": "Stairway-type ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairway-type-ladder-bottom-step-maximum-height\n\n**Paragraph citation:** 1926.451(e)(3)(i)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 24 inches\n\n**Value (metric):** 61 cm\n\n**Applies to:** Stairway-type ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairway-type-ladder-bottom-step-maximum-height.md", "generated": true, "harvested": "2026-08-31", "id": "stairway-type-ladder-bottom-step-maximum-height", "paragraph": "1926.451(e)(3)(i)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairway-type-ladder-bottom-step-maximum-height", "requirement_type": "maximum height", "source_quote": "(3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairway-type-ladder-bottom-step-maximum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "24 inches", "value_metric": "61 cm", "verified": true}
{"applies_to": "Stairway-type ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairway-type-ladder-minimum-step-width\n\n**Paragraph citation:** 1926.451(e)(3)(iii)\n\n**Type of requirement:** minimum width\n\n**Value (imperial):** 16 inches\n\n**Value (metric):** 41 cm\n\n**Applies to:** Stairway-type ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; (iii) Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 111\u20442 inches (30 cm); and\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairway-type-ladder-minimum-step-width.md", "generated": true, "harvested": "2026-08-31", "id": "stairway-type-ladder-minimum-step-width", "paragraph": "1926.451(e)(3)(iii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairway-type-ladder-minimum-step-width", "requirement_type": "minimum width", "source_quote": "(3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; (iii) Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 111\u20442 inches (30 cm); and", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairway-type-ladder-minimum-step-width \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "16 inches", "value_metric": "41 cm", "verified": true}
{"applies_to": "Stairway-type ladders", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** stairway-type-ladder-rest-platform-interval\n\n**Paragraph citation:** 1926.451(e)(3)(ii)\n\n**Type of requirement:** maximum vertical interval\n\n**Value (imperial):** 12 foot\n\n**Value (metric):** 3.7 m\n\n**Applies to:** Stairway-type ladders\n\n**Regulation section heading:** Access\n\n> (e) Access.\n\n> (3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "stairway-type-ladder-rest-platform-interval.md", "generated": true, "harvested": "2026-08-31", "id": "stairway-type-ladder-rest-platform-interval", "paragraph": "1926.451(e)(3)(ii)", "quote_regulation_section": "(e) Access.", "regulation_section": "Access", "requirement_id": "stairway-type-ladder-rest-platform-interval", "requirement_type": "maximum vertical interval", "source_quote": "(3) Stairway-type ladders shall: (i) Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "stairway-type-ladder-rest-platform-interval \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "12 foot", "value_metric": "3.7 m", "verified": true}
{"applies_to": "All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** support-device-surface-factor-rated-load\n\n**Paragraph citation:** 1926.451(d)(1)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 4 times the load imposed on them by the scaffold operating at the rated load of the hoist\n\n**Applies to:** All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (1) All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "support-device-surface-factor-rated-load.md", "generated": true, "harvested": "2026-08-31", "id": "support-device-surface-factor-rated-load", "paragraph": "1926.451(d)(1)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "support-device-surface-factor-rated-load", "requirement_type": "load safety factor", "source_quote": "(1) All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "support-device-surface-factor-rated-load \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "4 times the load imposed on them by the scaffold operating at the rated load of the hoist", "verified": true}
{"applies_to": "All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** support-device-surface-factor-stall-capacity\n\n**Paragraph citation:** 1926.451(d)(1)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist\n\n**Applies to:** All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (1) All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "support-device-surface-factor-stall-capacity.md", "generated": true, "harvested": "2026-08-31", "id": "support-device-surface-factor-stall-capacity", "paragraph": "1926.451(d)(1)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "support-device-surface-factor-stall-capacity", "requirement_type": "load safety factor", "source_quote": "(1) All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "support-device-surface-factor-stall-capacity \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist", "verified": true}
{"applies_to": "Such guys, ties and braces", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** tie-horizontal-spacing-maximum\n\n**Paragraph citation:** 1926.451(c)(1)(ii)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 30 feet\n\n**Value (metric):** 9.1 m\n\n**Applies to:** Such guys, ties and braces\n\n**Regulation section heading:** Criteria for supported scaffolds\n\n> (c) Criteria for supported scaffolds.\n\n> Such guys, ties and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet (9.1 m) (measured from one end [not both] towards the other).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "tie-horizontal-spacing-maximum.md", "generated": true, "harvested": "2026-08-31", "id": "tie-horizontal-spacing-maximum", "paragraph": "1926.451(c)(1)(ii)", "quote_regulation_section": "(c) Criteria for supported scaffolds.", "regulation_section": "Criteria for supported scaffolds", "requirement_id": "tie-horizontal-spacing-maximum", "requirement_type": "maximum spacing", "source_quote": "Such guys, ties and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet (9.1 m) (measured from one end [not both] towards the other).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "tie-horizontal-spacing-maximum \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "30 feet", "value_metric": "9.1 m", "verified": true}
{"applies_to": "scaffolds 3 feet (0.91 m) wide or less", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** tie-vertical-spacing-narrow-scaffolds\n\n**Paragraph citation:** 1926.451(c)(1)(ii)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 20 feet\n\n**Value (metric):** 6.1 m\n\n**Applies to:** scaffolds 3 feet (0.91 m) wide or less\n\n**Regulation section heading:** Criteria for supported scaffolds\n\n> (c) Criteria for supported scaffolds.\n\n> (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.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "tie-vertical-spacing-narrow-scaffolds.md", "generated": true, "harvested": "2026-08-31", "id": "tie-vertical-spacing-narrow-scaffolds", "paragraph": "1926.451(c)(1)(ii)", "quote_regulation_section": "(c) Criteria for supported scaffolds.", "regulation_section": "Criteria for supported scaffolds", "requirement_id": "tie-vertical-spacing-narrow-scaffolds", "requirement_type": "maximum spacing", "source_quote": "(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.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "tie-vertical-spacing-narrow-scaffolds \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "20 feet", "value_metric": "6.1 m", "verified": true}
{"applies_to": "scaffolds greater than 3 feet (0.91 m) wide", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** tie-vertical-spacing-wide-scaffolds\n\n**Paragraph citation:** 1926.451(c)(1)(ii)\n\n**Type of requirement:** maximum spacing\n\n**Value (imperial):** 26 feet\n\n**Value (metric):** 7.9 m\n\n**Applies to:** scaffolds greater than 3 feet (0.91 m) wide\n\n**Regulation section heading:** Criteria for supported scaffolds\n\n> (c) Criteria for supported scaffolds.\n\n> (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.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "tie-vertical-spacing-wide-scaffolds.md", "generated": true, "harvested": "2026-08-31", "id": "tie-vertical-spacing-wide-scaffolds", "paragraph": "1926.451(c)(1)(ii)", "quote_regulation_section": "(c) Criteria for supported scaffolds.", "regulation_section": "Criteria for supported scaffolds", "requirement_id": "tie-vertical-spacing-wide-scaffolds", "requirement_type": "maximum spacing", "source_quote": "(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.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "tie-vertical-spacing-wide-scaffolds \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "26 feet", "value_metric": "7.9 m", "verified": true}
{"applies_to": "Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** tipping-moment-factor-rated-load\n\n**Paragraph citation:** 1926.451(a)(2)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist\n\n**Applies to:** Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (2) Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "tipping-moment-factor-rated-load.md", "generated": true, "harvested": "2026-08-31", "id": "tipping-moment-factor-rated-load", "paragraph": "1926.451(a)(2)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "tipping-moment-factor-rated-load", "requirement_type": "load safety factor", "source_quote": "(2) Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "tipping-moment-factor-rated-load \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist", "verified": true}
{"applies_to": "Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** tipping-moment-factor-stall-load\n\n**Paragraph citation:** 1926.451(a)(2)\n\n**Type of requirement:** load safety factor\n\n**Value (imperial):** 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist\n\n**Applies to:** Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds\n\n**Regulation section heading:** Capacity\n\n> (a) Capacity.\n\n> (2) Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "tipping-moment-factor-stall-load.md", "generated": true, "harvested": "2026-08-31", "id": "tipping-moment-factor-stall-load", "paragraph": "1926.451(a)(2)", "quote_regulation_section": "(a) Capacity.", "regulation_section": "Capacity", "requirement_id": "tipping-moment-factor-stall-load", "requirement_type": "load safety factor", "source_quote": "(2) Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "tipping-moment-factor-stall-load \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist", "verified": true}
{"applies_to": "Toeboards", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toeboard-maximum-clearance-above-walking-surface\n\n**Paragraph citation:** 1926.451(h)(4)(ii)\n\n**Type of requirement:** maximum clearance\n\n**Value (imperial):** 1\u20444 inch\n\n**Value (metric):** 0.7 cm\n\n**Applies to:** Toeboards\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toeboard-maximum-clearance-above-walking-surface.md", "generated": true, "harvested": "2026-08-31", "id": "toeboard-maximum-clearance-above-walking-surface", "paragraph": "1926.451(h)(4)(ii)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "toeboard-maximum-clearance-above-walking-surface", "requirement_type": "maximum clearance", "source_quote": "(ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toeboard-maximum-clearance-above-walking-surface \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "1\u20444 inch", "value_metric": "0.7 cm", "verified": true}
{"applies_to": "Toeboards", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toeboard-maximum-opening-size\n\n**Paragraph citation:** 1926.451(h)(4)(ii)\n\n**Type of requirement:** maximum opening\n\n**Value (imperial):** one inch\n\n**Value (metric):** 2.5 cm\n\n**Applies to:** Toeboards\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toeboard-maximum-opening-size.md", "generated": true, "harvested": "2026-08-31", "id": "toeboard-maximum-opening-size", "paragraph": "1926.451(h)(4)(ii)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "toeboard-maximum-opening-size", "requirement_type": "maximum opening", "source_quote": "(ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toeboard-maximum-opening-size \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "one inch", "value_metric": "2.5 cm", "verified": true}
{"applies_to": "Toeboards", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toeboard-minimum-height\n\n**Paragraph citation:** 1926.451(h)(4)(ii)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** three and one-half inches\n\n**Value (metric):** 9 cm\n\n**Applies to:** Toeboards\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toeboard-minimum-height.md", "generated": true, "harvested": "2026-08-31", "id": "toeboard-minimum-height", "paragraph": "1926.451(h)(4)(ii)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "toeboard-minimum-height", "requirement_type": "minimum height", "source_quote": "(ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1\u20444 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toeboard-minimum-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "three and one-half inches", "value_metric": "9 cm", "verified": true}
{"applies_to": "toeboards", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toeboard-minimum-strength\n\n**Paragraph citation:** 1926.451(h)(4)(i)\n\n**Type of requirement:** minimum strength\n\n**Value (imperial):** 50 pounds\n\n**Value (metric):** 222 n\n\n**Applies to:** toeboards\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (4) Where used, toeboards shall be: (i) Capable of withstanding, without failure, a force of at least 50 pounds (222 n) applied in any downward or horizontal direction at any point along the toeboard (toeboards built in accordance with appendix A to this subpart will be deemed to meet this requirement); and\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toeboard-minimum-strength.md", "generated": true, "harvested": "2026-08-31", "id": "toeboard-minimum-strength", "paragraph": "1926.451(h)(4)(i)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "toeboard-minimum-strength", "requirement_type": "minimum strength", "source_quote": "(4) Where used, toeboards shall be: (i) Capable of withstanding, without failure, a force of at least 50 pounds (222 n) applied in any downward or horizontal direction at any point along the toeboard (toeboards built in accordance with appendix A to this subpart will be deemed to meet this requirement); and", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toeboard-minimum-strength \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "50 pounds", "value_metric": "222 n", "verified": true}
{"applies_to": "platforms more than 10 feet (3.1 m) above lower levels", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toeboard-trigger-height\n\n**Paragraph citation:** 1926.451(h)(2)(ii)\n\n**Type of requirement:** trigger height\n\n**Value (imperial):** 10 feet\n\n**Value (metric):** 3.1 m\n\n**Applies to:** platforms more than 10 feet (3.1 m) above lower levels\n\n**Regulation section heading:** Falling object protection\n\n> (h) Falling object protection.\n\n> (ii) A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3\u20444 \u00d7 11\u20442 inch (2 \u00d7 4 cm) wood or equivalent may be used in lieu of toeboards;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toeboard-trigger-height.md", "generated": true, "harvested": "2026-08-31", "id": "toeboard-trigger-height", "paragraph": "1926.451(h)(2)(ii)", "quote_regulation_section": "(h) Falling object protection.", "regulation_section": "Falling object protection", "requirement_id": "toeboard-trigger-height", "requirement_type": "trigger height", "source_quote": "(ii) A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3\u20444 \u00d7 11\u20442 inch (2 \u00d7 4 cm) wood or equivalent may be used in lieu of toeboards;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toeboard-trigger-height \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "10 feet", "value_metric": "3.1 m", "verified": true}
{"applies_to": "The top guy, tie or brace of completed scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** top-tie-maximum-distance-from-top\n\n**Paragraph citation:** 1926.451(c)(1)(ii)\n\n**Type of requirement:** maximum distance\n\n**Value (imperial):** the 4:1 height\n\n**Applies to:** The top guy, tie or brace of completed scaffolds\n\n**Regulation section heading:** Criteria for supported scaffolds\n\n> (c) Criteria for supported scaffolds.\n\n> The top guy, tie or brace of completed scaffolds shall be placed no further than the 4:1 height from the top.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "top-tie-maximum-distance-from-top.md", "generated": true, "harvested": "2026-08-31", "id": "top-tie-maximum-distance-from-top", "paragraph": "1926.451(c)(1)(ii)", "quote_regulation_section": "(c) Criteria for supported scaffolds.", "regulation_section": "Criteria for supported scaffolds", "requirement_id": "top-tie-maximum-distance-from-top", "requirement_type": "maximum distance", "source_quote": "The top guy, tie or brace of completed scaffolds shall be placed no further than the 4:1 height from the top.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "top-tie-maximum-distance-from-top \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "the 4:1 height", "verified": true}
{"applies_to": "supported scaffolds manufactured or placed in service after January 1, 2000", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-maximum-height-supported-after-2000\n\n**Paragraph citation:** 1926.451(g)(4)(ii)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 45 inches\n\n**Value (metric):** 1.2 m\n\n**Applies to:** supported scaffolds manufactured or placed in service after January 1, 2000\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (ii) The top edge height of toprails or equivalent member on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 inches (0.97 m) and 45 inches (1.2 m) above the platform surface.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-maximum-height-supported-after-2000.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-maximum-height-supported-after-2000", "paragraph": "1926.451(g)(4)(ii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-maximum-height-supported-after-2000", "requirement_type": "maximum height", "source_quote": "(ii) The top edge height of toprails or equivalent member on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 inches (0.97 m) and 45 inches (1.2 m) above the platform surface.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-maximum-height-supported-after-2000 \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "45 inches", "value_metric": "1.2 m", "verified": true}
{"applies_to": "supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-maximum-height-supported-before-2000-and-suspended\n\n**Paragraph citation:** 1926.451(g)(4)(ii)\n\n**Type of requirement:** maximum height\n\n**Value (imperial):** 45 inches\n\n**Value (metric):** 1.2 m\n\n**Applies to:** supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> The top edge height on supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 inches (0.9 m) and 45 inches (1.2 m).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-maximum-height-supported-before-2000-and-suspended.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-maximum-height-supported-before-2000-and-suspended", "paragraph": "1926.451(g)(4)(ii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-maximum-height-supported-before-2000-and-suspended", "requirement_type": "maximum height", "source_quote": "The top edge height on supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 inches (0.9 m) and 45 inches (1.2 m).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-maximum-height-supported-before-2000-and-suspended \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "unverified_fields": "requirement_type", "value_imperial": "45 inches", "value_metric": "1.2 m", "verified": true}
{"applies_to": "supported scaffolds manufactured or placed in service after January 1, 2000", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-minimum-height-supported-after-2000\n\n**Paragraph citation:** 1926.451(g)(4)(ii)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** 38 inches\n\n**Value (metric):** 0.97 m\n\n**Applies to:** supported scaffolds manufactured or placed in service after January 1, 2000\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (ii) The top edge height of toprails or equivalent member on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 inches (0.97 m) and 45 inches (1.2 m) above the platform surface.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-minimum-height-supported-after-2000.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-minimum-height-supported-after-2000", "paragraph": "1926.451(g)(4)(ii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-minimum-height-supported-after-2000", "requirement_type": "minimum height", "source_quote": "(ii) The top edge height of toprails or equivalent member on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 inches (0.97 m) and 45 inches (1.2 m) above the platform surface.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-minimum-height-supported-after-2000 \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "38 inches", "value_metric": "0.97 m", "verified": true}
{"applies_to": "supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-minimum-height-supported-before-2000-and-suspended\n\n**Paragraph citation:** 1926.451(g)(4)(ii)\n\n**Type of requirement:** minimum height\n\n**Value (imperial):** 36 inches\n\n**Value (metric):** 0.9 m\n\n**Applies to:** supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> The top edge height on supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 inches (0.9 m) and 45 inches (1.2 m).\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-minimum-height-supported-before-2000-and-suspended.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-minimum-height-supported-before-2000-and-suspended", "paragraph": "1926.451(g)(4)(ii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-minimum-height-supported-before-2000-and-suspended", "requirement_type": "minimum height", "source_quote": "The top edge height on supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 inches (0.9 m) and 45 inches (1.2 m).", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-minimum-height-supported-before-2000-and-suspended \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "36 inches", "value_metric": "0.9 m", "verified": true}
{"applies_to": "guardrail systems installed on all other scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-minimum-strength-all-other-scaffolds\n\n**Paragraph citation:** 1926.451(g)(4)(vii)\n\n**Type of requirement:** minimum strength\n\n**Value (imperial):** 200 pounds\n\n**Value (metric):** 890 n\n\n**Applies to:** guardrail systems installed on all other scaffolds\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (vii) Each toprail or equivalent member of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along its top edge of at least 100 pounds (445 n) for guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds, and at least 200 pounds (890 n) for guardrail systems installed on all other scaffolds.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-minimum-strength-all-other-scaffolds.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-minimum-strength-all-other-scaffolds", "paragraph": "1926.451(g)(4)(vii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-minimum-strength-all-other-scaffolds", "requirement_type": "minimum strength", "source_quote": "(vii) Each toprail or equivalent member of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along its top edge of at least 100 pounds (445 n) for guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds, and at least 200 pounds (890 n) for guardrail systems installed on all other scaffolds.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-minimum-strength-all-other-scaffolds \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "200 pounds", "value_metric": "890 n", "verified": true}
{"applies_to": "guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** toprail-minimum-strength-suspension-scaffolds\n\n**Paragraph citation:** 1926.451(g)(4)(vii)\n\n**Type of requirement:** minimum strength\n\n**Value (imperial):** 100 pounds\n\n**Value (metric):** 445 n\n\n**Applies to:** guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (vii) Each toprail or equivalent member of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along its top edge of at least 100 pounds (445 n) for guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds, and at least 200 pounds (890 n) for guardrail systems installed on all other scaffolds.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "toprail-minimum-strength-suspension-scaffolds.md", "generated": true, "harvested": "2026-08-31", "id": "toprail-minimum-strength-suspension-scaffolds", "paragraph": "1926.451(g)(4)(vii)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "toprail-minimum-strength-suspension-scaffolds", "requirement_type": "minimum strength", "source_quote": "(vii) Each toprail or equivalent member of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along its top edge of at least 100 pounds (445 n) for guardrail systems installed on single-point adjustable suspension scaffolds or two-point adjustable suspension scaffolds, and at least 200 pounds (890 n) for guardrail systems installed on all other scaffolds.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "toprail-minimum-strength-suspension-scaffolds \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "100 pounds", "value_metric": "445 n", "verified": true}
{"applies_to": "Each employee on a walkway located within a scaffold", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** walkway-guardrail-maximum-distance\n\n**Paragraph citation:** 1926.451(g)(1)(v)\n\n**Type of requirement:** maximum distance\n\n**Value (imperial):** 91\u20442 inches\n\n**Value (metric):** 24.1 cm\n\n**Applies to:** Each employee on a walkway located within a scaffold\n\n**Regulation section heading:** Fall protection\n\n> (g) Fall protection.\n\n> (v) Each employee on a walkway located within a scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) installed within 91\u20442 inches (24.1 cm) of and along at least one side of the walkway.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "walkway-guardrail-maximum-distance.md", "generated": true, "harvested": "2026-08-31", "id": "walkway-guardrail-maximum-distance", "paragraph": "1926.451(g)(1)(v)", "quote_regulation_section": "(g) Fall protection.", "regulation_section": "Fall protection", "requirement_id": "walkway-guardrail-maximum-distance", "requirement_type": "maximum distance", "source_quote": "(v) Each employee on a walkway located within a scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) installed within 91\u20442 inches (24.1 cm) of and along at least one side of the walkway.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "walkway-guardrail-maximum-distance \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "91\u20442 inches", "value_metric": "24.1 cm", "verified": true}
{"applies_to": "the suspension wire rope when performing welding from suspended scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** welding-suspension-rope-insulation-minimum-extent\n\n**Paragraph citation:** 1926.451(f)(17)(ii)\n\n**Type of requirement:** minimum length\n\n**Value (imperial):** 4 feet\n\n**Value (metric):** 1.2 m\n\n**Applies to:** the suspension wire rope when performing welding from suspended scaffolds\n\n**Regulation section heading:** Use\n\n> (f) Use.\n\n> (17) To reduce the possibility of welding current arcing through the suspension wire rope when performing welding from suspended scaffolds, the following precautions shall be taken, as applicable: (i) An insulated thimble shall be used to attach each suspension wire rope to its hanging support (such as cornice hook or outrigger). Excess suspension wire rope and any additional independent lines from grounding shall be insulated; (ii) The suspension wire rope shall be covered with insulating material extending at least 4 feet (1.2 m) above the hoist.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "welding-suspension-rope-insulation-minimum-extent.md", "generated": true, "harvested": "2026-09-01", "id": "welding-suspension-rope-insulation-minimum-extent", "paragraph": "1926.451(f)(17)(ii)", "quote_regulation_section": "(f) Use.", "regulation_section": "Use", "requirement_id": "welding-suspension-rope-insulation-minimum-extent", "requirement_type": "minimum length", "source_quote": "(17) To reduce the possibility of welding current arcing through the suspension wire rope when performing welding from suspended scaffolds, the following precautions shall be taken, as applicable: (i) An insulated thimble shall be used to attach each suspension wire rope to its hanging support (such as cornice hook or outrigger). Excess suspension wire rope and any additional independent lines from grounding shall be insulated; (ii) The suspension wire rope shall be covered with insulating material extending at least 4 feet (1.2 m) above the hoist.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-09-01", "title": "welding-suspension-rope-insulation-minimum-extent \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "4 feet", "value_metric": "1.2 m", "verified": false}
{"applies_to": "winding drum hoists", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** winding-drum-hoist-minimum-rope-wraps\n\n**Paragraph citation:** 1926.451(d)(6)\n\n**Type of requirement:** minimum wraps\n\n**Value (imperial):** four wraps of the suspension rope\n\n**Applies to:** winding drum hoists\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (6) When winding drum hoists are used on a suspension scaffold, they shall contain not less than four wraps of the suspension rope at the lowest point of scaffold travel.\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "winding-drum-hoist-minimum-rope-wraps.md", "generated": true, "harvested": "2026-08-31", "id": "winding-drum-hoist-minimum-rope-wraps", "paragraph": "1926.451(d)(6)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "winding-drum-hoist-minimum-rope-wraps", "requirement_type": "minimum wraps", "source_quote": "(6) When winding drum hoists are used on a suspension scaffold, they shall contain not less than four wraps of the suspension rope at the lowest point of scaffold travel.", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "winding-drum-hoist-minimum-rope-wraps \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "four wraps of the suspension rope", "verified": true}
{"applies_to": "wire rope clips are used on suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** wire-rope-clip-minimum-spacing\n\n**Paragraph citation:** 1926.451(d)(12)(i)\n\n**Type of requirement:** minimum spacing\n\n**Value (imperial):** a minimum of 6 rope diameters apart\n\n**Applies to:** wire rope clips are used on suspension scaffolds\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (12) When wire rope clips are used on suspension scaffolds: (i) There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "wire-rope-clip-minimum-spacing.md", "generated": true, "harvested": "2026-08-31", "id": "wire-rope-clip-minimum-spacing", "paragraph": "1926.451(d)(12)(i)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "wire-rope-clip-minimum-spacing", "requirement_type": "minimum spacing", "source_quote": "(12) When wire rope clips are used on suspension scaffolds: (i) There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "wire-rope-clip-minimum-spacing \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "a minimum of 6 rope diameters apart", "verified": true}
{"applies_to": "wire rope clips are used on suspension scaffolds", "asset": "osha-scaffold-dimensional-tolerances", "body": "**Requirement ID:** wire-rope-clips-minimum-number\n\n**Paragraph citation:** 1926.451(d)(12)(i)\n\n**Type of requirement:** minimum count\n\n**Value (imperial):** a minimum of 3 wire rope clips\n\n**Applies to:** wire rope clips are used on suspension scaffolds\n\n**Regulation section heading:** Criteria for suspension scaffolds\n\n> (d) Criteria for suspension scaffolds.\n\n> (12) When wire rope clips are used on suspension scaffolds: (i) There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart;\n\nSource: <https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451>\n", "file": "wire-rope-clips-minimum-number.md", "generated": true, "harvested": "2026-08-31", "id": "wire-rope-clips-minimum-number", "paragraph": "1926.451(d)(12)(i)", "quote_regulation_section": "(d) Criteria for suspension scaffolds.", "regulation_section": "Criteria for suspension scaffolds", "requirement_id": "wire-rope-clips-minimum-number", "requirement_type": "minimum count", "source_quote": "(12) When wire rope clips are used on suspension scaffolds: (i) There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart;", "sources": ["https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451"], "stale_after": "2027-08-31", "title": "wire-rope-clips-minimum-number \u2014 Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)", "type": "tolerance", "value_imperial": "a minimum of 3 wire rope clips", "verified": true}
