30 CFR 56.11012 - Protection for openings around travelways.
Openings above, below, or near travelways through which persons or materials may fall shall be protected by railings, barriers, or covers. Where it is impractical to install such protective devices, adequate warning signals shall be installed.
Title 30 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 30 CFR Part 56.