AL Sitework Practice Questions - Alabama Sitework Contractor Examination Exam

A perforated underdrain pipe wrapped with filter fabric is installed primarily to:

Collect and convey groundwater or seepage while limiting soil particle intrusion into the pipe Carry potable water under high pressure only Serve as a structural building column Replace surface grading entirely

Correct Answer:

Collect and convey groundwater or seepage while limiting soil particle intrusion into the pipe

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