Digging Holes and Tenches

Question 1

When digging a hole for a pole, the pole hole should be ? .

Answer 1

larger at the top than at the bottom

Question 2

When digging a pole hole, the ? determines the diameter of the hole.

Answer 2

size of the pole

Question 3

When digging a hole for a pole, the hole should be big enough to allow for ? all around the pole for tamping purposes.

Answer 3

3”

Question 4

A pole hole for a 25-foot pole should be dug in soil to a depth of ? minimum.

Answer 4

6’

Question 5

there are five tools that could be used to manually dig a pole hole.

Answer 5

true

Question 6

When marking the circle for a pole hole, the diameter of the hole should be marked ? larger than the diameter of the pole butt.

Answer 6

6”

Question 7

In order to dig a pole hole in rocky soil, a Qualified Electrical Worker would use the ? method.

Answer 7

Rock Auger Method

Question 8

The most common method for digging pole holes is with a ? .

Answer 8

Digger Derrick

Question 9

A(n) ? is a man-made cut, cavity, trench, or depression in the earth’s surface formed by earth removal.

Answer 9

excavation

Question 10

There are ? categories of hazards on an excavation project described in this lesson.

Answer 10

3
Underground Utilities
Confined Space Hazards
Danger of Cave-ins

Question 11

The ? Rule, as applied to excavations, states that an exit must be provided if the excavation is four feet deep and there is the possibility of a cave-in.

Answer 11

25 foot rule