What is continual maintenance? Continual maintenance involves ongoing management, including: – having a biofouling management plan specific to the vessel
– coating the hull with antifouling paint to prevent or minimise biofouling
– regularly inspecting and cleaning the hull
– keeping records to show how the process is managed.
MAIB CONTRACTS WITH BMT SHIP & COASTAL DYNAMICS FOR THEIR REMBRANDT SIMULATOR
BMT Ship & Coastal Dynamics (BMT), a subsidiary of BMT Group Ltd, has announced a new contract with the UK’s Marine Accident Investigation Branch (MAIB), acknowledged as a world leader in ship electronic evidence gathering, including VDR data recovery and interpretation. BMT has installed its industry leading marine navigation and manoeuvring REMBRANDT simulator and will provide ongoing specialised training, to allow MAIB personnel to benefit from its unique attributes.
Richard North, Technical Manager at MAIB comments: “REMBRANDT simulator is a well- regarded and trusted solution, widely used by a broad spectrum of stakeholders including pilot organisations, shipping companies on-board and ashore, naval architects, civil marine engineers and port authorities, therefore it was a natural choice for us. A key and unique attribute of REMBRANDT is its ability to automatically input a broad range of
VDR data including 3D, Radar and bridge audio to deliver a more enhanced and accurate visual reconstruction. This is a critical for the thorough investigation of marine accidents involving UK vessels worldwide and all vessels in UK territorial waters.”
As well as installation of the technology, BMT experts have provided training on the technical aspects and fundamentals of the REMBRANDT simulator for MAIB personnel. This has allowed them to understand the process of rapid model deployment and to perform simulations for both visual reconstruction, root cause analysis and lessons-learned.
Phil Thompson, Managing Director at BMT Ship & Coastal Dynamics explains: “REMBRANDT is a scaleable, skilled system which can be used via a desktop, laptop or as a full mission-based simulator and comprises a database of hundreds of validated ship models that underpins the validity of one or more ships in a seaway. REMBRANDT continues to be widely used in many markets well beyond shipping, including high value, high risk sectors such as floating oil and gas infrastructure – a further testimony to its accuracy and robustness.”
12 | The Report • June 2017 • Issue 80
FINLAND’S OLDEST FERRY GOES ALL- ELECTRIC
From steam to diesel and now electricity: the oldest operating ferry in Finland has become the nation’s first all-electric passenger vessel after being fitted with Visedo power.
The City of Turku has seen the historic Föri ferry relaunched, complete with a new zero-emission electric drivetrain that will deliver greater efficiency, less noise and reduced operating costs.
The Föri initially entered service in 1904 after the City of Turku commissioned local shipyards Aktiebolaget Vulcan to build a city commuter ferry to take passengers across the Aura River to Åbo.
Since then the distinctive little orange boat – named after the Swedish word for ferry, färja – has traversed its route nonstop back and forth across the river for more than a century to become a beloved transport icon for the city.
Turku commissioned local boatyards Mobimar to complete the upgrade, where the vessel was dry-docked in March this year. Mobimar oversaw the removal of the boat’s diesel-powered hydraulic motor and the old control
Finland’s oldest ferry goes all electric with Visedo Power
system. The new installed system was eight tons lighter; consisting of two Visedo permanent magnet motor drives and two Visedo DC/DC converters which control the ferry’s DC grid.
The new vessel draws power from batteries that are charged overnight, with the new power system simultaneously improving redundancy and making it possible to run on one or two motors – particularly important during icy conditions. This also allows future motor maintenance to be done in shifts, with no interruption to vessel operation.
The DC/DC converters serve to increase the battery voltage to a level that is more suitable for the motor drives. This minimises losses while maximising performance and reliability.
Visedo Project Engineer Heikki Sallinen said: “The Föri ferry is a national treasure but with its old diesel engine, fuel consumption and emissions were high and overall efficiency poor. Visedo power brings the 100-year-old vessel into the 21st century without changing its character and delivers zero-emission transport for Turku.
“The revolution to electrify the world’s diesel transport is already underway. After powering Asia’s first hybrid electric ferry in Taiwan and continuing to work on the project to power the world’s biggest E-ferry in Denmark, at home Visedo is proud to help transform Finland’s oldest ferry into its first all-electric vessel.”
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