A contractor is excavating a trench that is 8 feet deep in Type B soil. According to Cal/OSHA trenching requirements, what is the minimum required slope ratio for the trench walls?
Correct Answer
B) 1:1 (45 degrees)
Cal/OSHA Section 1541 requires Type B soil to be sloped at a minimum of 1:1 (45 degrees) for excavations deeper than 5 feet.
Why This Is the Correct Answer
Cal/OSHA Section 1541 requires Type B soil to be sloped at a minimum of 1:1 (45 degrees) for excavations deeper than 5 feet.
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A construction site in Fresno has an ambient temperature of 95°F with 40% humidity. According to Cal/OSHA heat illness prevention requirements, what is the minimum frequency for providing preventive cool-down rest periods?
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During hot weather operations, a contractor must provide training on heat illness prevention. According to Cal/OSHA, this training must be provided in what language?