Regulations Flashcards
0
Q
Vibration sources shall be shut down within ____ feet in all directions.
A
500’
1
Q
This is a narrow excavation made below the surface of the ground. In general the depth is greater then the width, but the width of the trench is not greater than 15 feet?
A
A trench
2
Q
A trench is not greater than how many feet?
A
15
3
Q
This is the separation of a mass of soil or rock material from the side of an excavation, or the loss of soil from under a trench shield or support system?
A
Cave-in
