Fireworks & Explosives Flashcards
’what will explosive hazards be identified by?’
‘Yankee hazards’
“2 types of explosive”
detonating (above speed of sound)
deflagrating (below speed of sound)
“many retailers will store fireworks for a short time. In theses cases what should be done?”
“a) an entry in ORD
b) reinspection to ensure all is gone”
“how do yankee hazards appear on the MDT?”
“red triangle with a black exclamation mark”
“when explosives have been confirmed involved what should the ic send to control?”
“priority message stating explosives confirmed involved”
“max storage of fireworks for domestic use for a shop?”
“250kg in an iso container”
“max quantity of black powder that a gun enthusiast can hold?”
“20kg”
“hazard zone for explosives up to 250kg”
“200m”
“hazard zone for explosives from 251 to 2000kg?”
“600m”
“hazard zone for explosives over 2000kg?”
“1000m”
“radios must not be used within what distance?”
“60m”
“radios must not be used within what distance, if military or malicious?”
“600m - until confirmed not sensitive to radios”
“does sporting ammo need to be recorded om 7.2D”
“no. less of a hazard than exploding aerosols”
“describe overpressure”
“blast pressure wave travelling at >speed of sound can kill a victim before fragments”
“does a pressure wave move round corners?”
“yes! - wraps around and creates areas of greater and lower pressure”
