AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam

For simple slope excavations 20 feet or less in Type C soil, what is the maximum allowable slope under OSHA Appendix B?

1/2 horizontal to 1 vertical (63°) 3/4 horizontal to 1 vertical (53°) 1 horizontal to 1 vertical (45°) 1-1/2 horizontal to 1 vertical (34°)

Correct Answer:

1-1/2 horizontal to 1 vertical (34°)

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