ClassNK has announced the release of ClassNK-PEERLESS, a software package for BWMS retrofitting which aims to support system installations in existing ships more efficiently by exploiting 3D laser scanning technology.Working with Japanese 3D software provider Armonicos, the development for this application was coordinated by ClassNK, drawing on a research project involving The University of Tokyo, Monohakobi Technology Institute, NYK, MOL, “K” Line, Sasebo Heavy Industries, Sanwa Dock, and SEA Systems.The pressure on owners and operators to comply with the Ballast Water Convention is expected to prompt a need for urgent retrofits. However, BWMS retrofits using traditional methods can take up to several months. The principal installation issue faced is that existing ships simply have not been built to accommodate BWMS, especially in their engine rooms. Not only do the complex systems feature large diameter piping, fitting settling tanks into existing available space also presents a particular challenge which results in long design lead times needed to create 3D vessel models.“If a client needs to install a BWMS in an engine room with limited space, a lot more effort must be made to obtain the information required for a successful retrofit. Multiple onboard inspections have to be conducted and detailed ...
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