NGA 71 Exam Questions and Answers
Graded A+
a job brief includes: - Correct answer-proper PPE, tools for the job, control of all
energy sources and hazards associated with the job
Dial _________ to reach the Call Before You Dig Notification Center and start the
utility marking process before excavation - Correct answer-811
A ________________ is required before any kind of proposed excavation or
emergency excavation can take place - Correct answer-locate request
Under normal circumstances, if the Call Before You Dig Notification Center is
notified at 10:00 AM on Monday, you can begin excavation at 7:00 AM the
following ________________. - Correct answer-Thursday
A hazardous leak is an example of a situation that may require a(n)
________________. - Correct answer-emergency excavation
Unless otherwise specified in company-specific procedures or state or local
requirements, the tolerance zone is ________________ inches. - Correct answer-
24
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, Soil used for backfill should be clean and ________________. - Correct answer-
dry
Using a backhoe for compaction could result in poor compaction or
________________. - Correct answer-pipe damage
If utility markings are not legible, you should contact 811 Call Before You Dig and
the ________________ if known before excavating. - Correct answer-utility
Municipal electric systems - Correct answer-safety red
Oil and gas distribution and transmission - Correct answer-high visibility safety
yellow
Cable television - Correct answer-safety alert orange
Potable water - Correct answer-safety precaution blue
Sewer and storm drainage systems - Correct answer-safety green
Proposed excavation or construction boundaries - Correct answer-white
Backfill - Correct answer-Refilling an excavated area or trench with excavated
material. Proper backfill material will depend upon soil conditions and piping used.
Damage Prevention Program - Correct answer-Written procedures stating the
purpose and objectives and providing methods and procedures to achieve them.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Graded A+
a job brief includes: - Correct answer-proper PPE, tools for the job, control of all
energy sources and hazards associated with the job
Dial _________ to reach the Call Before You Dig Notification Center and start the
utility marking process before excavation - Correct answer-811
A ________________ is required before any kind of proposed excavation or
emergency excavation can take place - Correct answer-locate request
Under normal circumstances, if the Call Before You Dig Notification Center is
notified at 10:00 AM on Monday, you can begin excavation at 7:00 AM the
following ________________. - Correct answer-Thursday
A hazardous leak is an example of a situation that may require a(n)
________________. - Correct answer-emergency excavation
Unless otherwise specified in company-specific procedures or state or local
requirements, the tolerance zone is ________________ inches. - Correct answer-
24
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Soil used for backfill should be clean and ________________. - Correct answer-
dry
Using a backhoe for compaction could result in poor compaction or
________________. - Correct answer-pipe damage
If utility markings are not legible, you should contact 811 Call Before You Dig and
the ________________ if known before excavating. - Correct answer-utility
Municipal electric systems - Correct answer-safety red
Oil and gas distribution and transmission - Correct answer-high visibility safety
yellow
Cable television - Correct answer-safety alert orange
Potable water - Correct answer-safety precaution blue
Sewer and storm drainage systems - Correct answer-safety green
Proposed excavation or construction boundaries - Correct answer-white
Backfill - Correct answer-Refilling an excavated area or trench with excavated
material. Proper backfill material will depend upon soil conditions and piping used.
Damage Prevention Program - Correct answer-Written procedures stating the
purpose and objectives and providing methods and procedures to achieve them.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
