An excavation is 12 feet deep in Type B soil. What is the maximum allowable slope ratio for the sides of this excavation?
Correct Answer
A) 1:1 (45 degrees)
For Type B soil, OSHA requires a maximum slope of 1:1 (45 degrees) for excavations. This means for every foot of depth, the excavation must slope back one foot horizontally from the bottom.
Why This Is the Correct Answer
For Type B soil, OSHA requires a maximum slope of 1:1 (45 degrees) for excavations. This means for every foot of depth, the excavation must slope back one foot horizontally from the bottom.
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