# Openings · 1910.28 Duty to have fall protection and falling object protection — OSHA fall protection trigger height by standard

For Openings · 1910.28 Duty to have fall protection and falling object protection, hazard situation is Openings; standard is 1910.28 Duty to have fall protection and falling object protection; trigger height is 4 feet (1.2 m) or more above a lower level; required protection once triggered is (i) Guardrail systems; (ii) Safety net systems; (iii) Travel restraint systems; or, (iv) Personal fall arrest systems; subpart is Subpart D —Walking-Working Surfaces, recorded from its source on 2026-08-25; source re-checked 2026-09-14.

- **Hazard situation:** Openings _(verified: appears in the quote below)_
- **Standard:** 1910.28 Duty to have fall protection and falling object protection _(verified: appears in the quote below)_
- **Trigger height:** 4 feet (1.2 m) or more above a lower level _(verified: appears in the quote below)_
- **Required protection once triggered:** (i) Guardrail systems; (ii) Safety net systems; (iii) Travel restraint systems; or, (iv) Personal fall arrest systems _(verified: appears in the quote below)_
- **Subpart:** Subpart D —Walking-Working Surfaces _(verified: appears in the quote below)_
- **CFR paragraph:** 29 CFR 1910.28(b)(7) _(our reading, not quoted from the source)_

## What the source says

> (7) Openings. The employer must ensure that each employee on a walking-working surface near an opening, including one with a chute attached, where the inside bottom edge of the opening is less than 39 inches (99 cm) above that walking-working surface and the outside bottom edge of the opening is 4 feet (1.2 m) or more above a lower level is protected from falling by the use of: (i) Guardrail systems; (ii) Safety net systems; (iii) Travel restraint systems; or, (iv) Personal fall arrest systems.

## Source

- https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-D/section-1910.28

Last verified: 2026-09-14. Review by: 2027-08-25.
Part of [OSHA fall protection trigger height by standard](https://referencesource.org/osha-fall-protection-trigger-height-by-standard/).