806 Fireworks And explosives Flashcards
What is a Yankee Hazard
Explosives
Define Deflagration
Explosion below speed of sound
What’s the most common cause of explosion
Mixture of natural gas and air from a gas leak
Firework propels to
50-100m with 100metre fire ball
When can an ISO container explode
When it’s on fire
Radio signal must be how far from explosive material according to NATO
600m
Who are the licensing authority for bulk storage of fireworks
HSE
On the MDT a red triangle with black explanation, what does this mean
Yankee hazard
When explosives have been confirmed what must the IC do
PRIORITY request to talk- explosives confirmed
Carrying out a 72d you notice fireworks stored in an ISO container containing 250kg. Is this ok
Yes. It’s the max
Cordon for 250kg explosives (the size of a small car)
200metres
Cordon for 251-2000kg explosives and any military explosive munitions
600metres
Cordon for 2000+kg of explosives
1000metres
If unsure of appropriate hazard zone who can be contacted
HMEPO
What steps must be taken before opening an ISO container that’s been involved in a fire
TIC check for hot spots. Water cool in any holes or cracks or create some. Consider requesting a tactical adviser.
Before opening a charged covering jet and full PPE with BA
Maximum burn time of fireworks tested by NATO
90 minutes
When closing down an incident who might the IC consider using
Police explosives officer. HMEPO. SA. On site specialist
You see a lorry with an Orange plate on the front and back. What does this indicate
Vehicle carrying dangerous goods
You see an OCTOGON sign in an ISO container. What does this indicate
Mass explosion
You see a CROSS sign on an ISO container what does this mean
Fragment producing
You see an INVERTED TRIANGLE sign on an ISO container what does this mean
Mass fire blast or fragment
