Iroqouis Pipe Line Flashcards
Is natural gas heavier or lighter than air?
Lighter than air
What does the Iroquois pipeline carry?
Natural gas that is under pressure A single ( od) high strength steal pipe
Natural gas is combustible in concentration between ___ to ___ . It is also order less and colorless in its natural state.
5-15%
How do you shut valves at the IPL?
Manually open or close valves by utilizing gas pressure in pipe line or by hand pumping the valve
Who should perform manual closing of the valve found in valve bldg?
Con ed personnel
How many turns does the manual valve buried outside the meter regulating station take to close the valve?
213 turns
Where would you find the wrench for the buried manual valve to shut down IPL ? 3 places
Just in side the entrance gate
Rescue 3 carries one
And one stored at FD command post at 500 food center drive
Can a IPL valve be opened or closed without the approval of the FD IC ?
Yes but only for a immediate to life or property
At the IPL how are typical isolation duties carried out?
Remotely by shutting down valves from IPL control center
Water are initial actions at a IPL incident ?
Set up perimeter and eliminate the source of ignition. If natural gas has ignited consider shutting down the gas supply
Do we want to use fog line to disperse the vapors at a leak in the IPL?
No this may actually hinder the operation
What is the primary consideration of actions taken by FD at IPL?
Evacuation of the area involved
At a leak in the IPL who will patrol the pipe line and why?
Squad or soc support due to there metering abilities
When you have a confirmed leak at a IPL what shall you do?
Transmit a second alarm
At drills for the IPL can we fully shut down the valves?
No under no circumstances will full closure be done. Partial closure only
