796 - Fireworks And Explosives Flashcards
What is the definition of explosives?
Any material that is capable of undergoing a self contained and self sustained exothermic chemical reaction at a rate that is sufficient to produce substantial pressure.
Explosive hazards are identified as?
Yankee Hazard
What are the two types of explosive materials?
Detonating and deflagrating
How far away can radio controlled explosive be detonated from?
60 meters
How will crews identify explosive hazards?
7.2d ORD Fire safety Local authority HSE
What is the sign for a Yankee hazard on the MDT?
Red triangle with black exclamation mark.
On arrival where should the appliance be sited?
At a suitable distance from the known explosive hazard.
What information must the IC obtain upon arrival about the explosives?
Type Quantity Location Storage Involvement Site plans Fixed installations Safety control measures Separation
When explosives are confirmed involved what must the IC do?
Send priority message
‘Explosives confirmed involved”
Maximum storage amounts
Fireworks domestic shop 250kg in ISO container.
Gun enthusiasts 20KG of black powder.
Hazard zones
250kg (small car) - 200 meters
251-2000kg and any military explosive munitions HD1.2 - 600 meters
2000+kg - 1000 meters
Who can advise the IC?
HMEPO
When dealing with IED explosives who takes the lead?
Police
What distant must radios not be used from the explosive materials?
60 meters
What distance can’t radios be used near military explosives?
600 meters