(a)
Mechanical equipment shall not be used on floors or working surfaces unless such floors or surfaces are of sufficient strength to support the imposed load.
(b)
Floor openings shall have curbs or stop-logs to prevent equipment from running over the edge.
(c)
Mechanical equipment used shall meet the requirements specified in subparts N and O and § 1926.1501 of § 1926 subpart DD.
Code of Federal Regulations
[44 FR 8577, Feb. 9, 1979 , 75 FR 48135, Aug. 9, 2010]