376 Cylinder Procedure Flashcards
Who should the IC seek advice from when at a cylinders reported incident
HMEPO
Heat at which steal and aluminium loses its tensile strength
300c steal
200-250c ally
Why must Acetylene cylinders have additional cooling out in place when involved in a fire
They have self heating potential
Max distance projected fragments from an exploding steel cylinder
200metres
Max fireball diameter of a failing cylinder
25metres
Where a COMPOSITE cylinder has failed and is burning what must be done
Allow contents to burn out do not extinguish
Minimum level of protection when working within 25m of a heated cylinder
BA
Cylinders confirmed not acetylene involved in a fire what cordon must IC consider
200metres
Cordon size for acetylene
? 400m
When implementing a Hazard Zone cordon for cylinders the IC must send a message to control with what info (5)
Actions taken
Number of evacuees
HZ size and road closures
RVP and approach route
Tac mode
After implementing a Hazard Zone cordon a message should be sent to control stating what (3)
Highest recorded temp of cylinder involved
Hazard zone size
Tac mode
How to carry out a CAP test
After 1 hour of cooling with water…
TIC
observe if violent steaming or ambient
Leave cooling water off 15 mins and REPEAT
Apply a momentary spray
(4 cycles)
What does CAP stand for
Cylinder Assessment Process
How would you turn off an acetylene cylinder
With a suitable key
If it is not possible to shut down a cylinder what must IC do
Req attendance of RRT or FRU with DIM to monitor the atmosphere
