SC Pipelines Practice Questions - South Carolina Pipelines Contractor Examination Exam

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What is the maximum allowable slope for Type C soil in an excavation less than 20 feet deep (OSHA 1926 Subpart P Appendix B)?

Vertical (90 degrees) 3/4 horizontal to 1 vertical (53 degrees) 1 horizontal to 1 vertical (45 degrees) 1-1/2 horizontal to 1 vertical (34 degrees)

Correct Answer:

1-1/2 horizontal to 1 vertical (34 degrees)

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