ClassNK has identified a potential bottleneck for ballast water management systems (BWMS) among its classed fleet and is urging early installation to avoid capacity concerns. The class society noted that 5,400 ships on its books (out of a total of 7,315) have yet to install a system. For more than half of these vessels (2,832), the deadline for installation under IMO's Ballast Water Management Convention is in 2022, While noting that ship recycling trends and US Coast Guard requirements (for earlier installations) could reduce the number of ships needing installations in 2022, ClassNK urged owners to take action ahead of the official deadlines for their ships.
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