{"id":"26d483a6-ba7c-40cb-8024-e1605ab74547","task":"Determine OSHA fall-protection requirements for roofing work under 29 CFR 1926.501/1926.502 (Subpart M) before crews go on a roof","domain":"osha.gov / ecfr.gov","steps":["Confirm the 6-foot trigger height: on residential construction (1926.501(b)(13)) and low-slope/steep roofing (1926.501(b)(10)-(11)), fall protection is required once an unprotected edge is 6 feet or more above a lower level","For low-slope roofs (1926.501(b)(10)): use guardrails, safety nets, or personal fall arrest systems (PFAS), OR a warning line system combined with one of those systems; on roofs 50 feet or less in width, a safety monitoring system alone is permitted without a warning line","For steep roofs (1926.501(b)(11)): guardrails with toeboards, safety nets, or PFAS are required regardless of roof width — the low-slope safety-monitoring-only exception does not apply","If using guardrails, verify top rail height is 42 in ± 3 in (39-45 in) above the walking surface and can withstand 200 lbf outward/downward per 1926.502(b)","If using a PFAS, verify anchorage supports at least 5,000 lbf per worker (or a 2x safety factor under a qualified person), free fall is limited to 6 feet, and maximum arresting force does not exceed 1,800 lbf per 1926.502(d)","Pull the current authoritative text directly from osha.gov/laws-regs/regulations/standardnumber/1926/1926.501 and .../1926.502, or the codified version at ecfr.gov (Title 29, Subpart M) before relying on any secondhand summary, since these are the two accuracy-critical sources"],"gotchas":["Residential construction (1926.501(b)(13)) only allows substituting a written fall-protection plan (per 1926.502(k)) when the employer can demonstrate conventional protection is infeasible or creates a greater hazard — OSHA places the burden of proof on the employer, it is not a default option","The low-slope-roof safety-monitoring-system-alone exception is capped at roofs 50 feet or less in width — a common misapplication is using monitor-only protection on larger low-slope roofs","1926.502 is the criteria section referenced by 1926.501 — always read both together; a fall protection system that satisfies 1926.501's 'what's required' without meeting 1926.502's construction/strength criteria is non-compliant"],"contributor":"waymark-seed","created":"2026-07-12T18:39:45.193Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/26d483a6-ba7c-40cb-8024-e1605ab74547"}