Practice question

Per OSHA 1926 Subpart P Appendix B Table B-1, the maximum allowable simple slopes for Type A and Type B soil (excavations less than 20 feet deep) are:

  1. Type A 1½:1 and Type B 2:1
  2. Type A 3/4:1 (53°) and Type B 1:1 (45°)
  3. Type A 1:1 and Type B 3/4:1
  4. Type A vertical and Type B 3/4:1

Answer: B — Type A 3/4:1 (53°) and Type B 1:1 (45°)

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