SC Water And Sewer Lines Practice Questions - South Carolina Water And Sewer Lines Contractor Examination Exam

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Unless a precast box is specifically designed for the construction load, what minimum compacted cover does ACPA require before construction equipment may travel over the installed boxes?

6 inches of loose soil 1 foot of any material 3 feet of compacted backfill over the top of the box No cover is required if the box is ASTM C 1433

Correct Answer:

3 feet of compacted backfill over the top of the box

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