NGA 70A(AOC), 70B, 71, 22B Exam
Questions and Answers Graded A+
According to PHSMA 7100 ...... - Correct answer--Need to know longitude/
latitude when reporting an accident
-don't need to know how much gas is released
Call ___ before you dig - Correct answer-811
Cast iron pipe is most likely to be ... - Correct answer-Damaged by backfill
Alert fire authorities if the company.... - Correct answer-Does not follow blasting
restrictions
When blasting if you discover a leak_____blasting will not continue until leak is
fixed - Correct answer-Stop blasting
When do you need to survey area when blasting? - Correct answer-Before
detonation, after each detonation, and after blasting
Maps are the best way for what? - Correct answer-Locate underground pipe
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, Pipe mark out should have ____ - Correct answer-Pipe size, pressure, and pipe
material (Cast, P.E, Steal)
Excavator responsible______ - Correct answer-For protecting markings
Leak next to school is considered...... - Correct answer-An Emergency
Tolerance zone - Correct answer-24" plus width of facility
Utility lines should not...... - Correct answer-Be deeper than 10 feet
Excavator must protect - Correct answer-Tracer wire and protect/ replace warning
tape
When boring excavators you must..... - Correct answer-Watch drill head safely pass
by utilities
Excavator must hand dig to.... - Correct answer-Expose drill head if depth lower
than bottom if exposed pit
Bracing or sheeting is required at ...... - Correct answer-5 feet
If the excavator is digging near unmarked facilities it must..... - Correct answer-
Have him stop if continue to notify gas authorities
All pipes need to be_______ - Correct answer-supported
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Questions and Answers Graded A+
According to PHSMA 7100 ...... - Correct answer--Need to know longitude/
latitude when reporting an accident
-don't need to know how much gas is released
Call ___ before you dig - Correct answer-811
Cast iron pipe is most likely to be ... - Correct answer-Damaged by backfill
Alert fire authorities if the company.... - Correct answer-Does not follow blasting
restrictions
When blasting if you discover a leak_____blasting will not continue until leak is
fixed - Correct answer-Stop blasting
When do you need to survey area when blasting? - Correct answer-Before
detonation, after each detonation, and after blasting
Maps are the best way for what? - Correct answer-Locate underground pipe
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Pipe mark out should have ____ - Correct answer-Pipe size, pressure, and pipe
material (Cast, P.E, Steal)
Excavator responsible______ - Correct answer-For protecting markings
Leak next to school is considered...... - Correct answer-An Emergency
Tolerance zone - Correct answer-24" plus width of facility
Utility lines should not...... - Correct answer-Be deeper than 10 feet
Excavator must protect - Correct answer-Tracer wire and protect/ replace warning
tape
When boring excavators you must..... - Correct answer-Watch drill head safely pass
by utilities
Excavator must hand dig to.... - Correct answer-Expose drill head if depth lower
than bottom if exposed pit
Bracing or sheeting is required at ...... - Correct answer-5 feet
If the excavator is digging near unmarked facilities it must..... - Correct answer-
Have him stop if continue to notify gas authorities
All pipes need to be_______ - Correct answer-supported
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
