# Walking-working surfaces not otherwise addressed · 1910.28 Duty to have fall protection and falling object protection — OSHA fall protection trigger height by standard

For Walking-working surfaces not otherwise addressed · 1910.28 Duty to have fall protection and falling object protection, hazard situation is Walking-working surfaces not otherwise addressed; 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; or (iii) Personal fall protection systems, such as personal fall arrest, travel restraint, or positioning systems; subpart is Subpart D —Walking-Working Surfaces, recorded from its source on 2026-08-25; source re-checked 2026-09-14.

- **Hazard situation:** Walking-working surfaces not otherwise addressed _(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; or (iii) Personal fall protection systems, such as personal fall arrest, travel restraint, or positioning 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)(15) _(our reading, not quoted from the source)_

## What the source says

> (15) Walking-working surfaces not otherwise addressed. Except as provided elsewhere in this section or by other <https://www.ecfr.gov/current/title-29/part-1910/subpart-s> subparts of this part , the employer must ensure each employee on a walking-working surface 4 feet (1.2 m) or more above a lower level is protected from falling by: (i) Guardrail systems; (ii) Safety net systems; or (iii) Personal fall protection systems, such as personal fall arrest, travel restraint, or positioning 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/).