Fire

Question 1

What are the classes of Fires?

Answer 1

Class A

Class A Fires consist of ordinary combustibles such as wood, paper, trash or anything else that leaves an ash.

Water (Red), Foam (Cream), Dry Powder (Blue)

Class B

Class B Fires are fueled by flammable or combustible liquids, which include oil, gasoline, and other similar materials. Smothering effects which deplete the oxygen supply work best to extinguish Class B fires.

Foam (Cream), Dry Powder (Blue) and CO2 (Black)

Class C

Class C Fires. Flammable Gases: Butane, Methane, Hydrogen

Dry Powder (Blue)

Class D

Class D Fires are combustible metal fires. Magnesium and Titanium are the most common types of metal fires. Once a metal ignites do not use water in an attempt to extinguish it.

Dry Powder (Blue)

Electrical

Electrical : remove electrical risk - then Class A-D

Class K / F (F updated to K recently?)

Class K Fires are fires that involve cooking oils, grease or animal fat

Wet Chemical (Yellow)

Question 2

SOLAS CH 2 Reg 2 - Fire Safety objectives

Answer 2

Fire Safety Objectives
-Prevent the occurance of fire and explosion
-Reduce the risk to life caused by fire
-Reduce the risk of damage caused by fire
-Contain, control and suppress fire in the compartment of origin
-Provide adequate and readily accessible means of escape

Question 3

Fire tetrahedron and fire fighting method

Answer 3

Question 4

Maintenance, testing and inspections of fire equipment

Answer 4

IMO Circ1432

**Weekly: **
-Fixed fire detection and alarm system / Fixed gas fire extinguisher systems
-Fire Doors
-Public address and GA system
-SCBA and EEBD pressure
-Low-location lighting
-Sprinkler system panel and pump unit

Monthly
-Fire mains, pumps, hydrants, hoses and nozzles
-Operate fire pump
-Fix gas systems
-Fire extinguishers (condition, pressure, present, pin in place)
-Fireman suits
-Alarm system / Fixed fire alarm system - detector head and manual call point

Quarterly
-International Shore connection
-Fire dampers - operation
-Fire doors - operation

Annual
-Fire mains, pumps, hydrant, hoses and nozzles - flow test pump including under E/G
-Emergency power
-Fixed fire fighting systems serviced and tested
-Tender fixed fire fighting systems
-Fire doors, dampers and ventilations - test all remote and locally
-SCBA cylinder test (Hydrostatic every 5 years)

Two Yearly
-Fixed gas fire extinguishing system - blow compressed air through lines to ensure they are clear

5 Yearly
-Test all hoses (done at intervals to ensure all tested in 5 years)
-Hydrostatic test of SCBA cylinders (including EEBDs)
-Internal inspection of all control section valves
-Test luminacne of all systems in the low-location lighting

Ten-yearly
-Fixed Gas hydrostatic test, flexible hoses replaced
-HiFog / Sprinkler systems hydrostatic test

Question 5

What is powered by the E/G

Answer 5

For a period of 18h:
-Emergency Lighting for all critical spaces
-Navigation lights / signalling lights
-Ships internal communications
-MF/HF radio installations
-Shipborne navigational equipment
-Fire detection and fire alarm system
-One of the fire pumps
-Steering Gear