NM CID GS-8 Practice Questions - New Mexico CID GS-8 Earthmoving, Excavation And Ditching Examination Exam

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OSHA defines stable rock as natural solid mineral matter that can be excavated with vertical sides and remain intact while exposed. What is the Appendix B maximum allowable slope for stable rock in excavations less than 20 feet deep?

Vertical (90 degrees) 3/4H:1V (53 degrees) 1H:1V (45 degrees) 1½H:1V (34 degrees)

Correct Answer:

Vertical (90 degrees)

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