1910.179(e)(3): Trolley bumpers
Key takeaways
- 1910.179(e)(3) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart N).
- OSHA cited it 1 times in the last 3 years, in 1 inspections, with $891 in current penalties.
- Related part: 1910.179(e) Stops, bumpers, rail sweeps, and guards (6 citations).
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In this article
What this rule covers
29 CFR 1910.179(e)(3) ("Trolley bumpers") is one requirement inside 1910.179 Overhead and gantry cranes, an OSHA general industry standard (Part 1910, Subpart N). It includes 3 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(3) Trolley bumpers — 1 citations
(i) A trolley shall be provided with bumpers or other automatic means of equivalent effect, unless the trolley travels at a slow rate of speed, or is not operated near the ends of bridge and trolley travel, or is restricted to a limited distance of the runway and there is no hazard of striking any object in this limited distance, or is used in similar operating conditions. The bumpers shall be capable of stopping the trolley (not including the lifted load) at an average rate of deceleration not to exceed 4.7 ft/s/s when traveling in either direction at one-third of the rated load speed. 1 citations
(ii) When more than one trolley is operated on the same bridge, each shall be equipped with bumpers or equivalent on their adjacent ends.
(iii) Bumpers or equivalent shall be designed and installed to minimize parts falling from the trolley in case of age.
Source: eCFR, text current as of 2026-10-15. Read all of 1910.179.
Export the list: 1 inspections cited 1910.179(e)(3) in the last 3 years, with employer, location, penalty and date.
Purple Belt, $59/moWhere and how often it was cited
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OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.179(e)(3).
Related parts of this rule
- 1910.179(e) Stops, bumpers, rail sweeps, and guards 6 citations
- 1910.179(e)(2) Bridge bumpers 2 citations
- 1910.179(e)(6) Guards for moving parts 2 citations
- 1910.179(e)(6)(i) 2 citations
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About this page
Sources
- 29 CFR 1910.179 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-11-06
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.