MASS Dig Safe Regulations 3

Question 1

What color marking indicates gas, oil, steam, or petroleum pipelines?

Accepted Answer

Yellow

Answer

Yellow marks gas, oil, steam, petroleum, and other gaseous or flammable materials under the APWA color code.

Question 2

What color is used to mark sewer and drain lines?

Accepted Answer

Green

Answer

Green marks sewers, storm drains, and drain lines under the standard color code.

Question 3

What color marks potable (drinking) water lines?

Accepted Answer

Blue

Answer

Blue marks potable drinking water lines under the APWA uniform color code.

Question 4

What does white paint, flags, or stakes indicate at a job site?

Accepted Answer

The proposed excavation area or route

Answer

White is used by the excavator to pre-mark the proposed dig area before locators arrive.

Question 5

What color marks reclaimed water, irrigation, and slurry lines?

Accepted Answer

Purple

Answer

Purple marks reclaimed water, irrigation, and slurry lines under the color code.

MASS Test Practice Test