Under what circumstances does Subpart P not apply to house foundation or basement excavations?
What will be an ideal response?
• Excavation is less than 71/2 feet deep.
• Excavation is benched for at least 2 feet horizontally for every 5 feet of depth.
• Minimum horizontal width at eh bottom of the excavation is no less than 2 feet or wider.
• No water, surface cracks, or other conditions that might reduce the stability of the excavation.
• No heavy equipment or machinery operating in the vicinity that might de-stabilize the excavation.
• All loose soil, equipment, and material is kept back from the edge of the excavation for a distance at least equal to the depth of the excavation.
• Number of worker in the excavation is the minimum needed to perform the work.
• Excavation work is carried out in such as way as to minimize the time spent in the excavation.
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What will be an ideal response?