Fire At Sea

Coltraco Ultrasonics is aware of that there is failure to fully implement the regulations. Coltraco supply Marine Servicing companies globally share anecdotes - that at any one time the average merchant vessel in non-UK port visits has over 20% of its CO2 cylinders empty on inspection plus another 10-20% which have contents loss and also know that occasionally marine “servicing companies” unintentionally leave it disabled.

This is a result of the time pressures that are placed upon marine servicing companies. It is well known that vessels are kept at the dock for a minimum amount of time, which reduces time for repairs and thus efficiency without compromise of safety is key. Most marine servicing companies only have 4 hours on a vessel in a port to test up to 600 cylinders. It is known that it takes 15 minutes for a 2 person team to shutdown, dismantle and weigh a single CO2 cylinder, which is equal to 16 cylinders in 4 hours. Yet despite this, every CO2 cylinder on the vessel receives a “tested and certified sticker” and the CO2 & marine CO2 systems is certified and a certificate is issued.

This is the “ungoverned space” in the shipping industry in marine fire protection. Those in the shipping industry do understand that they must hydrostatically test its CO2 cylinders every 10 years (sometimes 5).  Many just do not unless the marine servicing companies demand it – which they often can because the regulation for it exists. However,  it is not the hydrostatic testing that matters. The amount of cylinders that fail that test is very low, unless they are heavily corroded which the monthly crew inspection under IMO SOLAS FSS Code Ch 5 should have spotted years before it became in such a condition.

 Fire System Designers routinely apply an excess of 20% to the design concentration required in the CO2 system to account for safe limits in the space being protected, which has merit in a new system. This is only has meaning when the space is fully compartmented and sealed fully, which a new vessel probably is.

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