NM CID MS-6 Practice Questions - New Mexico CID MS-6 Lawn Sprinklers Examination Exam

Backfill over an irrigation trench should be compacted:

In one dump from the loader bucket to save time In lifts so the trench does not settle under turf or pavement Only under the heads, never over the pipe With water jetting until the pipe floats

Correct Answer:

In lifts so the trench does not settle under turf or pavement

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