Cylinders Flashcards
Cly construction
Welded - two steel halves
Drawn - no weld
Aluminium - specalist gas
Composite - woven fabric, resin hard
plastic cage. Mainly LPG
Construction little indication of whats inside. May alter actions on fire
Definition
Any vessel contaning gas or liquid under pressure
Gases are stored;
Liquiefied form - LPG
Compressed gas - oxygen
Dissolved in solvent - acetylene
Cyl incident whos informed?
HMEPO are mobilised
IC should await consult with HMEPO
Cly fail temps
Steel 300
200-250 Alu
Composite, resin will break down and become porus - signs - fire growth as its fed by contents
Moving Comp Cyl
Caution, resin becomes weak and may leak. Leave and consult HMEPO
Comp cyl that cannot be confirmed as soley comp
Considered as alu, treat as alu/ steel cyl. Cooling water
Ace cyl can self heat?
True
Unknown cyl must or potential ace must be treated as
Acetylene - cool, CAP
BCGA CP
British conpressed gas association comp person
HMEPO can consult with via control
Cyl projection
200m
Initial hazard zone
200m
Consider substantial cover, how can reduce initial HZ
Fireball
25m
Actions en route
Safe approach, position Type of cyls invol Inital hazard zone overlay Surrounding risks - rail, road Early notification to brigade RVP Additional info ORD
Cyl discovered
Early cooling