AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam

When backfilling under traffic areas over a new sewer, what is typically required beyond simply filling the trench?

Leaving the trench open for 30 days before any fill Compaction to specified density and restoration of pavement structure per plans Using only leaves and brush as fill No compaction if the pipe is PVC

Correct Answer:

Compaction to specified density and restoration of pavement structure per plans

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