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

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A sewer trench in Type C soil is 8 feet deep with a 3-foot-wide flat bottom. Using the Appendix B maximum allowable slope of 1-1/2 horizontal to 1 vertical on both sides, what is the minimum top width of the excavation?

19 feet 27 feet 11 feet 15 feet

Correct Answer:

27 feet

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