Code guides · OSHA 1926.501
Fall protection trigger heights
OSHA's fall-protection trigger heights drive scope on roofing, framing, and site work. Equipment + training are bidable scope; missing them is a job-stop.
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Trigger heights
- 6 ft for general construction (1926.501)
- 10 ft for scaffolds (1926.451)
- 4 ft for general industry (1910.28; not construction)
- Steel erection: 15 ft for connectors, 30 ft for others (1926.760)
Acceptable systems
- Guardrails (top rail at 42″ ± 3″, mid-rail, toeboard)
- Personal fall-arrest system (PFAS) with anchor + harness + lanyard
- Safety nets (close to work surface, max 30 ft below)
- Warning lines for low-slope roofs (with monitor)
Disclosure
This is a plain-English summary for estimating purposes. It is not a substitute for the actual code documents — review for AHJ-specific amendments. Adopted editions vary by jurisdiction; OmniTakeoff applies the edition declared on the project, not a hard-coded default.
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