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

Spiral wrapping of polyethylene tape from bell to spigot with no overlap at the joint One polyethylene tube per pipe length, pulled over the barrel and overlapped and taped at the joints A shop-bonded polyethylene coating that must not be repaired in the field A concrete encasement poured around the pipe instead of a plastic wrap