On chemical tankers that have foam as fixed fire fighting system for cargo fires alcohol resistant foam is a must.
Fixed foam fire fighting system in engine room.
Often that is much too long because the fire may then have taken full control.
2 9 inside air foam systemis a fixed high expansion foam fire extinguishing system with foam generators located inside the protected space and drawing air from that space.
These systems cover of different areas of the engine room but not the switchboard or the electrical generating component of the power generators.
Investigations have shown that in many engine room fires it has taken too long for a decision to release the fixed fire extinguishing system to be made an average of more than 30 minutes since the fire has been discovered.
Engine room fire fighting equipment.
It can be used in open areas like deck as well as closed areas like engine room.
7 2 2 on ships fitted with an emergency generator one engine room fan should be arranged to be powered from it so that the room can be ventilated after the fire is extinguished.
Below you can see a typical line diagram of fixed foam fire fighting system.
So next time we check the foam certificate on a chemical tanker we must look for the information mentioning the foam to be alcohol resistant.
This is because these ships carry alcohols like methanol ethanol as cargo.
A high expansion foam system consists of both the foam generators and the dedicated foam concentrate approved during the fire testing specified in 3 1 3.
This is of the more modern type of water nozzles that actually supply a very fine mist rather than a flow of water.
The hi ex foam system is suitable for use for fire extinction of solid fuel or flammable liquid fires in areas where the expanded foam can be contained.
Fixed high expansion foam system if a fire breaks out in an enclosed area on a vessel we depend on an extinguishing system that deploys quickly is effective and safe for personnel.
The foam premix solution is clean agent including.
Foam fixed fire extinguishing systems are very effective and popular fixed fire fighting system in marine field.
Alcohol surfactant and other harmless materials.
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7 9 2 pre mix foam systems.
Engine room sprinkler system.
7 15 cargo spaces fixed fire extinguishing system exemption.
On other ships the contents of mgn 354 will be.
Automatic foam induction system as fire fighting equipment for machinery spaces fire protection on ships is provided by detection and fire fighting equipment together with structural features which are intended to contain an outbreak of fire and the employment when required of non combustible materials to prevent its spread.
