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

What bedding material does ACPA recommend under a precast box culvert?

Uncompacted clay lumps, including frozen material Coarse, angular rock larger than 3 inches to key the box in place Medium to fine granular material, preferably less than 1-1/2 inches and no larger than 2 inches, placed as a uniform flat surface Lean concrete only, never granular material

Correct Answer:

Medium to fine granular material, preferably less than 1-1/2 inches and no larger than 2 inches, placed as a uniform flat surface

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