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

Type C soil may be benched in the same simple benches used for Type A Benching is permitted in Type A and Type B soils in the configurations shown in Appendix B; Type C is not benched in those simple Appendix B figures Any soil may be benched vertically in 6-foot rises Benching replaces the need for a competent person