ClassNK releases revised edition of ‘Guidelines for Ships Using Alternative Fuels’
ClassNK has revised the safety requirements for ships using methanol/ethanol and hydrogen as fuel within the ‘Guidelines for Ships Using Alternative Fuels (Edition 3.1).’ In Part D, covering hydrogen-fueled ships, the revision incorporates the ‘Interim Guidelines for the Safety of Ships Using Hydrogen as Fuel (MSC.1/Circ.1701)’ issued by the IMO this year, and additionally introduces ...
ClassNK has updated its 'Guidelines for Ships Using Alternative Fuels' to include safety requirements for ships powered by methanol/ethanol and hydrogen. The revised edition 3.1 now reflects the IMO's Interim Guidelines for the Safety of Ships Using Hydrogen (MSC.1/Circ.1701). Part D of the guidelines incorporates the IMO's guidelines, along with a new hydrogen leak frequency table to aid in safety assessments.
Meanwhile, Part A introduces new structural strength requirements for methanol/ethanol fuel tanks, not covered in the IMO guidelines. This revision aims to streamline design and safety assessments for alternative-fueled ships in line with international standards. With the rise in building alternative-fueled ships to combat GHG emissions, ClassNK has compiled a comprehensive set of safety requirements for fuels like methanol, ethanol, LPG, ammonia, and hydrogen.
The guidelines also set requirements to mitigate environmental, safety, and operational risks associated with alternative fuels.
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