SC Pipelines Practice Questions - South Carolina Pipelines Contractor Examination Exam

When backfilling a coated steel gas pipeline, what is the correct practice immediately around the pipe?

Dump shot rock directly on the coating to lock the pipe in place Leave the trench open under the pipe to allow drainage Cover the pipe with concrete for the entire mile regardless of class Place padded, rock-free bedding and initial backfill so the coating is not damaged, then compact in lifts

Correct Answer:

Place padded, rock-free bedding and initial backfill so the coating is not damaged, then compact in lifts

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