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BV Publishes Current And Tidal Turbines Guidelines

  International classification society and certification group Bureau Veritas has published a set of guidelines, NI 603, intended to help the development of current and tidal turbines. The guidelines are backed by a separate guide to certification for marine renewable energy devices including tidal turbines, wave energy converters and ocean thermal energy conversion. Philippe Donche-Gay, Executive Vice-President and Head of the Marine & Offshore Division of Bureau Veritas says, “Marine renewable energy offers promising sources of clean energy. Emerging technologies that generate electricity by harnessing the power of tidal streams, waves and temperature gradients, are moving from research phase to commercial use. We think that over the next five to ten years, the number of tidal turbines in particular is set to multiply. There is a clear need for standards and certification in this fast-developing field.” To ensure the commercial viability of their projects, designers and operators involved inmarine energy must be able to demonstrate their technologies are safe and offer high quality and reliability. This can be complex in an emerging sector with no real track record, and where international standards are still under development.  NI 603 Current and Tidal Turbines sets down guidelines applicable to current and tidal ...

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Sewage system gains BV approval

  ACO Marine has received Bureau Veritas type approval for its new ACO Maripur NF sewage treatment system. The BV tests confirm that ACO Marine’s next generation treatment plant meets the stringent performance requirements of IMO Resolution MEPC 227(64), which enters into force in January 2016. Mark Beavis, ACO Marine’s managing director, said: “This is an important step forward in the continuing development of the Maripur product range. It confirms that the new treatment system goes beyond the new MEPC 227(64) standards to meet the revised discharge requirements, particularly Section 4.2.” The revision requires vessels with more than 12 passengers operating in IMO designated “special areas” to reduce the phosphorous and nitrogen content of treated effluent. There is no mandate for this in the existing requirement. “The new regulations are going to hit the industry hard,” said Beavis. “There are still a significant number of systems in operation that are failing to meet the existing standard let alone the new one.” Type-approval testing has verified that the ACO Maripur NF can reduce Coliform Bacteria to 17.5 count/100ml , TSS to 2.4mg/l , BOD to 7.3mg/l , and COD to 60mg/l , while nitrogen and phosphorous content is significantly below the mandated levels ...

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Bureau Veritas to class Tallink`s high speed LNG-fuelled ferry

  Bureau Veritas is to class a unique LNG-fuelled high speed and high capacity passenger ferry which has been ordered by AS Tallink Grupp for the Helsinki-Tallinn route. The 2,850-passenger vessel will have a service speed of 27 knots and will be built by Meyer Turku for delivery in 2017. Philippe Donche-Gay, Executive Vice-President and Managing Director of the Marine & Offshore Division, Bureau Veritas, says: Bureau Veritas has extensive experience with LNG as a fuel and with ground breaking major passenger ship projects. We bring the two areas of expertise together with this project which will allow the vessel to meet strict air emission control limits in the Baltic area.” The 49,000 gt ferry will be 212 m long. The dual-fuel vessel is designed to operate in icy waters and for fast cargo and passenger turnaround at each end of the route. Bureau Veritas subsidiary Tecnitas has already carried out risk assessment studies for the LNG bunker operations in Helsinki and Tallinn ports. Bunkering will be carried out in either port by truck or bunkering barge. Tecnitas will also carry out HAZID studies for the proposed LNG propulsion and storage on board. Says Donche-Gay, “This is a demanding route ...

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BV wins Canadian gas fuel contracts

Bureau Veritas is to class two innovative projects for gas-fuelled vessels to be built for Canadian owners in Turkish shipyards. British Columbia-based Seaspan Ferries has chosen BV class for two hybrid LNG/diesel/battery-powered ro-ro cargo ferries which will be built at the Sedef yard in Turkey. Quebec-based Transport Desgagnes, meanwhile, has chosen BV class for two 14,000 dwt gas-fuelled asphalt/product tankers to be built at Besiktas. Philippe Donche-Gay, Executive Vice-President and Managing Director of the Marine & Offshore Division, Bureau Veritas, says, “BV really knows LNG. We have extensive experience of handling LNG and using LNG as a fuel with our gas carrier fleet. Our ability to deploy that expertise for the benefit of shipyards and owners who are both breaking new ground was crucial to these owners entrusting BV with the classification of these vessels.” The 148.9 m Seaspan ferries are due for delivery in 2016 and will operate on Canada’s west coast, carrying up to 59 trailers at speeds of up to 16 knots propelled by azimuthing drives. Twin dual-fuel W9L 34DF generators will be able to burn LNG from one single 200 cbm Type C tank below the main deck and there will be a hybrid battery pack ...

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Bureau Veritas launches underwater noise reduction notation

Bureau Veritas has developed a voluntary notation intended to assist shipbuilders and operators reduce underwater noise radiating from ships. The comprehensive set of standards and measuring services is grouped as NR614 Underwater Radiated Noise (URN). It aims to control and limit the environmental impact on marine fauna of all self-propelled ships and provide a standard and a system to assess compliance with specific vessel requirements for underwater radiated noise.  It covers both shallow and deep water conditions, sets out a dedicated comprehensive measurement procedure, explains how to manage measurement uncertainties and sets specific underwater noise level requirements. Jean-Francois Segretain, technical director, Bureau Veritas Marine & Offshore Division, says, “Underwater noise radiating from ships is acoustic pollution, and there is no doubt that it will be the next big area to be tackled by regulators. This notation, backed by careful research with an extensive network of partners, means we can help designers, yards and operators to be ahead of regulation. And it makes commercial sense. Reducing underwater noise directly contributes to reduced noise and vibration levels on board, which improves passenger and crew comfort. There is also a strong link between fuel efficiency and noise. Quieter ships burn less, and we ...

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