Emergency Procedures - Steam System Emergencies Flashcards
Concrete slabs typically cover steam vaults with access manholes…
Placed in pairs.
A series of drains in a high pressure steam pipe are called?
Traps.
Steam pressures in GENERATING PLANTS can be as high as ____psi with temperatures reaching ___degrees F.
2,000 psi and 900 F.
Steam pressures in he buried supply piping and in supplied buildings can be as high as ___psi and temperatures as high as ____F.
170 psi and 350 F.
Con Edison refers to a steam pipe rupture as a?
HELB
High Energy Line Break
Is it permissible to enter a Con Edison generating plant WITHOUT Con Ed personnel?
NEVER.
Respond to the designated mustering site outside the plant.
Should the FDNY enter a generating plant?
FDNY should ONLY enter the plant to perform search and rescue for missing plant personnel.
A steam main break is a ?
Haz mat incident.
Does asbestos exist in Con Ed manholes?
No, it has been removed.
BUT remains on most of the underground piping.
It is recommended that FDNY members approach an outdoor HELB from which direction?
Upwind
How should the FDNY consider evacuating buildings?
Consider evacuating buildings from the REAR or SIDE entrances to avoid the Exclusion Zone.
What does a BLUE stripe on the top of a vent pipe indicate?
It indicates that the steam is the result of a water leak, NOT a leaking steam main.
Is it a good idea to randomly shut steam valves inside of a supplied building?
NO. Do not randomly shut steam valves inside of a supplied building.
Are members permitted to shut the Inside Service Valve?
YES. IN AN EMERGENCY, members may shut the Inside Service Valve. If possible, wait for Con Ed steam personnel to shut the necessary valves.
There is a building steam shutoff located outside the building. Are FDNY members permitted to shut it down?
NO. FDNY members should NOT attempt to shut this valve.
