Dig Safe Regulations Flashcards
7 cards from real MASS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Dig Safe Regulations flashcards as text
In Massachusetts, how many business days before excavation must you notify Dig Safe?
Answer: At least 72 hours (3 business days)
Massachusetts law requires notifying Dig Safe at least 72 hours (3 business days) before digging, excluding weekends and holidays.
What is the universal phone number to call before digging anywhere in the U.S.?
Answer: 811
811 is the national Call Before You Dig number that routes to the local one-call notification center.
How long is a Dig Safe ticket/permit number valid in Massachusetts before re-marking is required?
Answer: 30 days
A Dig Safe notification in Massachusetts is valid for 30 days, after which a new request is required.
What color paint or flags mark electric power lines and cables?
Answer: Red
Red marks electric power lines, cables, conduit, and lighting cables under the APWA color code.
Within what distance of a marked underground facility must you dig by hand or with non-mechanical means (the tolerance zone)?
Answer: 18 inches on either side
Massachusetts requires hand digging within the tolerance zone of 18 inches on each side of the marked line.
Who is responsible for marking privately owned underground lines that the utility companies do not own?
Answer: The property owner
Dig Safe only covers member utility lines; the property owner is responsible for locating private lines like irrigation or to-a-shed wiring.
What should an excavator do if a marked utility line is damaged during digging?
Answer: Stop work and immediately notify the utility owner and Dig Safe
Damaged lines must be reported immediately to the utility owner; gas leaks or electric contact also warrant calling 911.