# Stairways · 1910.28 Duty to have fall protection and falling object protection — OSHA fall protection trigger height by standard For Stairways · 1910.28 Duty to have fall protection and falling object protection, hazard situation is Stairways; 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 a guardrail or stair rail system; subpart is Subpart D —Walking-Working Surfaces, recorded from its source on 2026-08-25; source re-checked 2026-09-14. - **Hazard situation:** Stairways _(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:** a guardrail or stair rail system _(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)(11) _(our reading, not quoted from the source)_ ## What the source says > (11) Stairways. The employer must ensure: (i) Each employee exposed to an unprotected side or edge of a stairway landing that is 4 feet (1.2 m) or more above a lower level is protected by a guardrail or stair rail system; ## 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/).