Cylinder Procedure PN376 Flashcards
What is the definition of a cylinder?
Any vessel containing Gas or Liquid
What are the 4 ways a cylinder is constructed?
Welded in 2 halves
Drawn steel
Aluminium
Composite, woven jacket
What temperature does a cylinder lose its tensile strength?
200-250 aluminium
300 steel
What is the initial Hazard Zone for a heated cylinder?
200m
What is the size of the fire ball of a failed cylinder?
25m
When a cylinder is not currently being affected and has not been involved in the fire, what should the IC’s actions be?
Apply cooling spray or have cylinder moved to safer location
Where is composite cylinder in involved and has failed what should the your actions be and why?
Allow contents to burn off before extinguishing the fire as a potential build up of gases may occur
What information should you ascertain from crews discovering a cylinder?
Type
Size
Contents
Location
What is the message when is cylinder is involved?
“Cylinder confirmed involved”
What 4 things must happen in order for a 200m HZ be reduced and no risk of cylinder failing?
Fire must be extinguished
Cylinders Identified as not acetylene
All cylinders present have been located
Cylinders involved receiving direct cooling
What are some of the visual indicators that a cylinder has not been involved?
Labels and plastic rings intact
Paint work not blackened or blistered
Supply hose pipes undamaged
When a HZ has been implemented what information should be sent via informative message?
Actions taken Number of evacuees HZ size and road closures RVP and approach route TM
How long is the initial period of cooling for an unidentified cylinder or acetylene?
1 hour
What form should be filled out for handing over an Acetylene cylinder?
F6104
