Foam fixed fire extinguishing systems are very effective and popular fixed fire fighting system in marine field.
Fixed foam fire fighting system on tanker.
This is because these ships carry alcohols like methanol ethanol as cargo.
Below you can see a typical line diagram of fixed foam fire fighting system.
This is a case study of fixed foam fire fighting system failure which lead to complete destruction of generator fuel transfer pumps and other associated mach.
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.
Requirements of fixed deck foam systems for tanker s low expansion capable of delivering foam to entire cargo tank deck as well as into a cargo tank if that is ruptured.
The system can be delivered as either a central system or independent modular skid units.
Storage tanks from fire is with a fixed or a semi fixed foam fire protection system.
The foam system can be used for fire prevention control or direct extinguishment of any flammable or combustible liquid fire within the tank.
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.
Control station outside and away from the cargo area and readily accessible simple and rapid operation.
Foam gives smothering and cooling effect to the applied area.
Fire fighting systems of offshore facilities and installations are also outside the scope of this document.
Passive fire protection arrangements such as structural fire protection as well as fire detection systems are outside the scope of this document.
On chemical tankers that have foam as fixed fire fighting system for cargo fires alcohol resistant foam is a must.
It can be used in open areas like deck as well as closed areas like engine room.
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.
The survitec deck foam fire extinguishing system consists of a fibre glass foam tank foam pump proportioner sturdy and compact foam monitors and portable foam applicators or foam spray nozzles meeting the latest imo regulations.
When engineered installed and maintained correctly these systems will give many years of reliable service.
