NGA 70 & 71 Prometrics Exam
QUESTIONS AND CORRECT ANSWERS
Shoring is mandatory for all excavations at what depth - CORRECT ANSWERS 5 feet
or more
Electrical lines - CORRECT ANSWERS Red
Gas/fuel lines - CORRECT ANSWERS Yellow
Communications - CORRECT ANSWERS Orange
Potable/drinking water - CORRECT ANSWERS Blue
Reclaimed irrigation water - CORRECT ANSWERS Purple
Sewer - CORRECT ANSWERS Green
Survey - CORRECT ANSWERS Pink
Proposed excavation - CORRECT ANSWERS White
Continue backfilling and compaction with a hand or mechanical tamper at how many inches -
CORRECT ANSWERS 6-12 inches
Who do you call before any excavation - CORRECT ANSWERS 811
How often do you check proper compaction - CORRECT ANSWERS Every 25 feet
, What do you do when a gas is being undermined - CORRECT ANSWERS Make sure
you have support
How far should soil be from the trench - CORRECT ANSWERS 2 feet
What is the most common soil being used - CORRECT ANSWERS Type c soil
Who is responsible for mark outs - CORRECT ANSWERS The excavator
At what percent in the atmosphere does it become oxygen deficient - CORRECT
ANSWERS 19.5%
What do you do when you uncover an unknown facility - CORRECT ANSWERS Call
811 and recheck company records
What does a job brief include - CORRECT ANSWERS Proper PPE, tools for the job,
control all energy sources, and hazards associated with the job
If a 3rd party was found to be working around transmission lines without a proper mark out
what should you do - CORRECT ANSWERS Request a work stoppage due to code
violation
At what depth is a ladder required - CORRECT ANSWERS 4 feet
What is the tolerance zone of a pipe - CORRECT ANSWERS 2 feet plus 1/2 the
diameter
What happens if you come in contact with contaminated soil - CORRECT
ANSWERS Contact DEC and find out what steps to take next
What is needed on every job site - CORRECT ANSWERS A completed job briefing
QUESTIONS AND CORRECT ANSWERS
Shoring is mandatory for all excavations at what depth - CORRECT ANSWERS 5 feet
or more
Electrical lines - CORRECT ANSWERS Red
Gas/fuel lines - CORRECT ANSWERS Yellow
Communications - CORRECT ANSWERS Orange
Potable/drinking water - CORRECT ANSWERS Blue
Reclaimed irrigation water - CORRECT ANSWERS Purple
Sewer - CORRECT ANSWERS Green
Survey - CORRECT ANSWERS Pink
Proposed excavation - CORRECT ANSWERS White
Continue backfilling and compaction with a hand or mechanical tamper at how many inches -
CORRECT ANSWERS 6-12 inches
Who do you call before any excavation - CORRECT ANSWERS 811
How often do you check proper compaction - CORRECT ANSWERS Every 25 feet
, What do you do when a gas is being undermined - CORRECT ANSWERS Make sure
you have support
How far should soil be from the trench - CORRECT ANSWERS 2 feet
What is the most common soil being used - CORRECT ANSWERS Type c soil
Who is responsible for mark outs - CORRECT ANSWERS The excavator
At what percent in the atmosphere does it become oxygen deficient - CORRECT
ANSWERS 19.5%
What do you do when you uncover an unknown facility - CORRECT ANSWERS Call
811 and recheck company records
What does a job brief include - CORRECT ANSWERS Proper PPE, tools for the job,
control all energy sources, and hazards associated with the job
If a 3rd party was found to be working around transmission lines without a proper mark out
what should you do - CORRECT ANSWERS Request a work stoppage due to code
violation
At what depth is a ladder required - CORRECT ANSWERS 4 feet
What is the tolerance zone of a pipe - CORRECT ANSWERS 2 feet plus 1/2 the
diameter
What happens if you come in contact with contaminated soil - CORRECT
ANSWERS Contact DEC and find out what steps to take next
What is needed on every job site - CORRECT ANSWERS A completed job briefing
