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Light Structures to deliver real-time ice-load data on 10 LNG carriers

SENSFIB graphical user interface SENSFIB graphical user interface

Samsung Heavy Industries (SHI) has selected Light Structures’ fibre optic condition monitoring systems to deliver comprehensive ice load monitoring systems for 10 Arctic liquid natural gas Carriers (ALNGC) operated by Russian shipping company, Sovcomflot.

The first of Sovcomflot’s newbuild ice-class ships will be delivered before the end of the year, with six more due in 2022 and the final three arriving in 2023. Using LNG for primary fuel, the vessels will produce 45 MW of power, which is comparable to that of a nuclear icebreaker, enabling the safe transport of LNG while breaking ice up to 2.1 metres thick in minus 52 degrees Celsius.

Operating in such extreme conditions, Sovcomflot’s new ALNGC vessels will be subject to powerful dynamic forces that could potentially impact hull integrity and operational safety, but with the Light Structures SENSFIB system providing uninterrupted real-time ice load monitoring and alerting, the captain and navigators can make informed decisions based on live structural stress data. SENSFIB has already proven invaluable on Arctic routes, following its installation on the first ever icebreaking LNG carrier, Christophe de Margerie.

SENSFIB’s fibre optics technology is based on Fiber Bragg Grating (FBG), a solution that delivers more accurate data while reducing cost and complexity when compared to less resilient electro-mechanical systems. Uniquely, SENSFIB sensors are installed using an adhesive, negating the need for any welding, and with no moving parts, users can save the cost of annual recalibration required by electro-mechanical systems. Light Structure’s solution is also EX and ATEX approved, making it perfectly suited to hazardous environments as found on gas carriers and oil tankers.

“We’re delighted to receive such an extensive order for our SENSFIB ice-load monitoring technology, especially as it reflects the long-standing and positive working partnership we have with SHI,” said Niklas Hallgren, chief executive officer, Light Structures. “The contract also shows that leading shipyards and owners are willing to invest in precision structural stress monitoring due to safety and operational advantages, despite the lack of any regulations forcing the use of such technology.”

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