Question

your employer has the ability to protect you from cave - ins and other hazards by using adequately - designed protection systems in excavations, but these are not required when an excavation is made entirely in stable rock or is less than how deep? select the best option. 5 feet 10 feet 15 feet

Explanation:

In the context of excavation safety regulations, when an excavation is entirely in stable rock or is less than 5 feet deep, adequately - designed protection systems are not required to protect from cave - ins and other hazards.

Answer:

5 feet