At what percent in the atmosphere does it become oxygen deficient - ANSWER-19.5%
Communications - ANSWER-Orange
Continue backfilling and compaction with a hand or mechanical tamper at how many
inches - ANSWER-6-12 inches
Electrical lines - ANSWER-Red
Gas/fuel lines - ANSWER-Yellow
How far should soil be from the trench - ANSWER-2 feet
How much of methane is in natural gas - ANSWER-96%
How often do you check proper compaction - ANSWER-Every 25 feet
If a 3rd party was found to be working around transmission lines without a proper mark
out what should you do - ANSWER-Request a work stoppage due to code violation
If a pipeline is damaged during excavation what should you do - ANSWER-Don't move
the excavator because it could lead to unintentional escape of gas
If natural gas is not burning properly what gas is produced instead that is bad -
ANSWER-Carbon monoxide
If there is cracked ground on the surface, where will the gas escape - ANSWER-Vertical
In case of improper compaction after backfilling what should you do - ANSWER-Ensure
proper soil is being used
Complete backfilling per company standards
Natural gas is ________ than air - ANSWER-Lighter
Natural gas will flow from an area ______ pressure to _________ pressure - ANSWER-
Higher
Lower
Potable/drinking water - ANSWER-Blue
Proposed excavation - ANSWER-White
Reclaimed irrigation water - ANSWER-Purple
, Sewer - ANSWER-Green
Shoring is mandatory for all excavations at what depth - ANSWER-5 feet or more
Survey - ANSWER-Pink
What are examples of component failure - ANSWER-Reading a regulator vent/vent pole
Cracked or broken main due to environmental conditions
What are reasons for inadequate pressure - ANSWER-Water intrusion
Undersized service (smaller pipe than needs to be)
No attempt should be made to restore gas service until full investigation is performed
What are symptoms of carbon monoxide poisoning - ANSWER-Headaches
Dizziness
Drowsiness
Nausea
What are two gasses that make up natural gas - ANSWER-Methane and Ethane
What color is natural gas when burning properly - ANSWER-Blue
What color is natural gas when it is NOT burning properly - ANSWER-Yellow/orange
What do you do if an environmental incident happens - ANSWER-Stop or control spill, if
reasonable
Plug holes in houses or tanks
Contact DEC, or dispatch to notify appropriate person
What do you do if an explosion happens - ANSWER-Secure the area
Contact supervisor or assigned field rep
Contact 911 IMMEDIATELY
Check with incident commander that's on scene for further instructions
What do you do if an unintentional ignition occurs - ANSWER-Secure the area
Contact supervisor or assigned field rep
Call 911
What do you do if inadequate pressure happens - ANSWER-Notify dispatch and or
supervisor or assigned field rep and wait until further instructions
What do you do if you come across an unmarked facility - ANSWER-Let the contractors
know
Warn them of danger
STOP ALL WORK IMMEDIATELY