Fire Detection and Extinguishing Equipment Regulations

86 Every Class H ship not over 45.7 m in length that is a tanker shall be provided with appliances whereby fire-smothering gas, steam or foam can be rapidly conveyed into the pump rooms by a permanent piping system constructed in accordance with Schedule III of these Regulations but, where CO² gas is the smothering medium, the quantity shall be at least equal to 40 per cent of the volume of the space protected.