MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam

Under DIPRA laying conditions, a Type 4 installation generally means the pipe is:

Laid directly on the undisturbed trench bottom with no bedding stone Fully encased in reinforced concrete for its entire length Supported only at the bells on timber blocks Bedded in sand, gravel, or crushed stone to a depth of one-eighth the pipe diameter (4-inch minimum), with backfill compacted to the top of the pipe

Correct Answer:

Bedded in sand, gravel, or crushed stone to a depth of one-eighth the pipe diameter (4-inch minimum), with backfill compacted to the top of the pipe

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