NM CID GF-9 Practice Questions - New Mexico CID GF-9 Utility Lines Contractor Examination Exam

Soft, organic, or otherwise unsuitable material in the trench bottom under a utility line should be:

Left in place and the pipe laid on it to save time Removed and replaced with specified bedding or other suitable material so the pipe has uniform support Covered with polyethylene encasement only Flooded and used as a slurry backfill

Correct Answer:

Removed and replaced with specified bedding or other suitable material so the pipe has uniform support

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