2-6-12 Underground Installations – Caissons

Question 1

Utility locates must be completed __?__.

Answer 1

before digging begins

Question 2

When the pole base hole turns out to be larger than expected, a __?__ may be used to maintain the diameter of the caisson.

Answer 2

sono tube

Question 3

The diameter of #5 rebar is __?__.

Answer 3

5/8”

Question 4

Rebar measuring 11/8 inches in diameter would be referred to as __?__ bar.

Answer 4

9

Question 5

Rebar adds __?__ strength to the caisson.

Answer 5

structural

Question 6

The anchor bolt pattern for the caisson is determined by the __?__.

Answer 6

pole manufacturer

Question 7

If anchor bolts are assembled in a jig, they do not have to be aimed.

Answer 7

False

Question 8

Which part of the rebar cage should be in contact with the earth?

Answer 8

No part

Question 9

To eliminate any voids, a concrete __?__ is used during the pour to consolidate and move the concrete around the hole.

Answer 9

vibrator

Question 10

Concrete needs to cure three to seven days before a pole and mastarm may be installed in the base.

Answer 10

True

Question 11

At an intersection that is askew, the mastarm is set parallel to the opposing cross street.

Answer 11

True

Question 12

When building a rebar cage, a __?__ is used to join the steel pieces together.

Answer 12

tie wire