195.252—Backfilling.
When a ditch for a pipeline is backfilled, it must be backfilled in a manner that:
(a)
Provides firm support under the pipe; and
(b)
Prevents damage to the pipe and pipe coating from equipment or from the backfill material.
[Amdt. 195-78, 68 FR 53528, Sept. 11, 2003]