Jobsite Safety and Fall Protection for Steep-Slope Metal Roofing
Steep-slope metal work is defined by fall exposure and by how easily a metal surface loses friction when it is wet, dusty, or shaded. The exam tests OSHA 1926 Subpart M rules, anchor selection, ladder practice, and the staging decisions that keep a crew safe on 6:12 to 12:12 roofs.
Fall protection rules
- At 6 ft or more, employees need fall protection. On roofs steeper than 4:12, 1926.501(b)(11) requires a guardrail with toe board, safety net, personal fall arrest system, or a combination, not a warning line alone.
- A PFAS needs an anchor rated at 5,000 lb per worker unless an engineered system says otherwise; 100% tie-off; a rescue plan; and a competent person who inspects harnesses, lanyards, and anchors.
- Roof jacks and brackets are staging, not anchors. Use them for toe boards and work platforms, and anchor to a ridge anchor, engineered tie-back, or horizontal lifeline.
Worked example
An 8:12 roof has a 22-ft eave. A 6-ft lanyard plus 3.5-ft deceleration, 6-ft worker height, and 3-ft margin needs about 18.5 ft of clearance below the anchor. A ridge anchor at 22 ft leaves too little clearance if the worker falls past the eave, so the plan should use a shorter lanyard, an energy absorber rated for the height, or a horizontal lifeline set back from the edge, or guardrail at the eave.
Traps
Treating a warning line as fall protection on a steep roof; clipping a lanyard to a roof jack; ignoring swing-fall and lower-level hazards; carrying sheets on a windy day without a tag line; leaving ladders unsecured or without three rungs above the landing.