Fireworks & Explosives Flashcards
What are the two types of explosive material?
Detonating and Deflagrating
What is meant by a detonating explosion?
When the reaction exceeds the speed of sound
What is meant by Deflagrating explosion?
Rate of reaction is below the speed of sound but is influenced and by pressure, heat and confinement
NATO guidance is to prohibit radio signal within what distance to a military device or explosive material that can be detonated by radio transmissions?
600m
By what term will explosive hazards be identified by the LFB?
Yankee Hazard
Yankee hazards entered onto the ORD should detail what?
- The net explosive quantity NEQ
- Where the explosives are located onsite
- How they are stored eg: metal or cardboard boxes.
How will a Yankee Hazard be identified on the ORD?
Red triangle with a black exclamation mark
When safe to do so at an incident, an IC must gather further information from where?
available information from storage, packaging and transport signage
When explosives have been confirmed involved, how and what message must be sent to control?
By selecting the ‘Priorty request to talk’ and state “explosives confirmed involved”
When should be the obly reason Fire crews handle explosive materials?
When it is to prevent them becoming involved in an incident.
The maximum storage of fireworks for domestic use for a shop is how much?
250kg
Gun enthusiasts who hold a ‘aquire and keep certificate’ are licensed to keep how much black powder and how should it be stored?
20kg stored in metal boxes
What are the hazards zone cordons for an incident involving explosive materials?
200m - up to 250kg
600m - 251kg - 2000kg
1000m - over 2000kg
Radios must not be used within how far of an explosive material?
60m
What does a plain orange rectangular plate mean and where would you see it?
A vehicle carrying dangerous goods fixed to the front and rear of the transport unit.
