FIRE Flashcards
Four steps to FIRE
Find
Inform
Restrict
Extinguish/Escape
Classes of fire
A. Carbonaceous, flammable solids (wood etc)
B. Flammable liquids (petrol, oil, paint)
C. Flammable gases, (natural gas, hydrogen, propane)
D. Combustible metals (sodium, Magnesium, Pottassium)
F. Cooking fats and oils
ELECTRICAL fires do not have a class, as electricity is the source of the fire. Isolate the electrical current and use an extinguisher developed for electrical use (CO2)
Additionally, LITHIUM fires, use Lithium extinghuisher
Extinguishers and their use (classes) / Advantages/Disadvantages
Water: A
Water: A
Advantages: Cools
Disadvantages: conducts electricity
Extinguishers and their use (classes) / Advantages/Disadvantages:
Foam: AB
A, Solids
B, Liquids
Advantages: Smothers the fire, and cools
Disadvantages: Conducts electricity, Messy
Extinguishers and their use (classes) / Advantages/Disadvantages
Powder: ABC + electrical
A Solids
B Liquids
C Gases
+ electrical
Advantages: Multiple Uses
Smothers Fire
Disadvantages: Can re-ignite later from latent heat.
Powder will damage electrical
instillations
Extinguishers and their use (classes) / Advantages/Disadvantages
AFFF foam
Aqueous Film Foaming Foam
A and B
Advantages: 5 times more effective than regular foam
Disadvantages: Breaks down easily
Extinguishers and their use (classes) / Advantages/Disadvantages
CO2: B, and Electrical
B Liquids
Electrical
Advantages: Quickly starves the atmosphere of oxygen
Disadvantages: Harmful to Human Life in small
compartments/ Large quantities (FFE
in ER)
Extinguishers and their use (classes) / Advantages/Disadvantages
Wet Chemical: A and F
A solids
F Fats and cooking oils
Advantages: Cools Chemicals with high flash points
(galley fires)
Disadvantages: Not suitable for electrical fires
Can cause corrosion to some metals
Extinguishers and their use (classes) / Advantages/Disadvantages
ARGON: D (combustable metals)
Used for Combustible metals such as LITHIUM
Advantages: used against and combustible metals
Disadvantages: Not used for other fire classes
Areas that can be causes of fire:
Self igniting rags/liquids in bins
Laundry lint
Galley operations
Crew hair straighteners etc
Electrical fire (overloading sockets, water on electrical instillations, Faulty wiring)
Machinery failure, Rags left on machinery
Bunkering procedures
Owners/Clients smoking
Aircraft fuel and accidents
What document gives information on:
- Length of hoses, numbers of equipment?
- What is in a fire kit, and dimensions of Int. Shore Connection?
- LY3
- FSS (Fire Safety Systems) Code
For how long after hot works must we maintain a watch?
24 hours
Which chapter of SOLAS speaks to Fire?
Chapter II
How long should a BA Cylinder last?
1,200L / 30 Minutes of air
Monthly Checks of Firemans outfit
- Verify everything is in the correct locker
- Ensure Locker is clean, dry and accessible
- Ensure storage bags are undamaged and dry
- Visual check of firemans suit, ready to go fitted over boots, with smoke hood and gloves/socks
- Visual inspection of torch, belt, insulated ax, radios, helmets