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

The foundation is shaped to 0.6 of the outside diameter and filled with fine granular material The pipe is fully encased in reinforced concrete Little or no care is taken to shape the foundation or fill the haunches, but the bed gradient must still be smooth and true to grade The pipe is bedded in 4 inches of crushed stone compacted to 95 percent