Fireworks And Explosives Flashcards
Explosives what is the definition of a Yankee Hazard On the mobile data terminal
Red warning triangle with a black exclamation mark
Explosives what is the definition of a detonating explosive
This is when the reaction exceeds the speed of sound
Explosives what is the definition of a deflagrating explosion
This is when the explosion is below the speed of sound.
Factors such as pressure heat and confinement may influence the rate of reaction
Explosives what is the definition of overpressure
This is when the pressure of the wave can be great enough to kill without the victim being struck by any fragment
Explosive with radio controlled detonators or metal components can be detonated by radio transmission up to what distance
60 m.
Some military munitions can be detonated up to 600 m
Explosives who is the licensing authority for bulk storage of fireworks
Health and safety executive
Explosives when crews become aware of a shop selling or storing fireworks who should They liaise with and what steps should they take
They should liaise with the local regulatory fire safety team.
An entry will be placed on the ORD data base for all firework retailers.
A reinspection will be programmed to ensure short-term storage fireworks has been removed.
When explosives have been confirmed involved what priority message must be sent to inform control
Explosives confirmed involved
Explosives the maximum storage of fireworks for domestic use for a shop is how many and how are they stored
250 kg.
Stored in an ISO container
Explosives gun enthusiasts who hold an acquire and keep certificate are license by the police to keep up to how much black powder and where should it be stored
20 kg.
Stored in a metal box
Explosives railway fog signals contain approximately how much black powder
8 g.
When they are stored in bulk in metal boxes they should be treated as high explosive
Explosives hazard zones what is the hazard zone for explosives up to 250 kg or a small size car
200 m
Explosives what is the hazard zone for explosives from 251 kg - 2000 kg and any military explosive munitions.
HD1.2.
600 m
Explosives what is the hazard zone for any explosive over 2000 kg
1000 m
Explosives tests with ammunition found that the majority of burning out lasting no more than how long
90 minutes
Explosives transport where should the orange plates be fitted on vehicles carrying explosives
The orange plate should be fitted front and rear of the vehicle.
In addition vehicles carrying explosives and now required to display hazard warning diamonds on the front rear and side of the vehicle
Explosives if a container has been subjected to the impingement of heat once the fire is extinguished how should the crews check the container and what PPE should they be rigged in
Full PPE including BA.
The container should be checked with the thermal image camera.
When openings are available the container should be flooded with water.
If this is not possible correct door procedure should be used or consider making A suitable hole
Explosives when are explosives most volatile
When subject to heating %%%%
