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JDR Cable Systems the umbilical and subsea power cable division based at Littleport, Cambridgeshire, UK. JDR's market has now expanded and changed- a lot. " Our subsea products can be permanently installed on the sea bed, providing hydraulic and electrical control to offshore oil and gas production fields," says Phelan. September / October 09 www. bus- ex. com 71 connections Dynamic JDR Cable Systems is a global specialist in high- specification marine cables and umbilicals for communications, seismic exploration and more besides, as Ruari McCallion discovers J DR Cable Systems was born in 1994, the result of a merger between two companies, Jacques Cable Systems and De Regt Special Cable. " The company started as a producer of divers' umbilicals for the North Sea market, for working in relatively shallow waters," explains Patrick Phelan, managing director of

72 www. bus- ex. com September / October 09 Some of the cables JDR makes can be as long as 50 kilometres in a single length, supplied to customers from a turntable or carousel that can measure up to 30 metres in diameter. That's a pretty bulky item to shift; and transportation from Littleport to a deep- water facility is, at best, inconvenient for the company and for other road users. So at the beginning of 2008, the company began developing a new facility at Hartlepool, located on the UK's east coast, that will specialise in the production of the larger- specification cables. " We developed into the production of subsea power cables about eight years ago. We did those from Littleport- up to about 100 tonnes- and we are continuing to serve that market from our original site," says Phelan. " In 2005 we supplied our first offshore wind farm, the Beatrice demonstrator." The cables are rated to 33 kilovolts and JDR's specialism is the pull- in process, which involves connection to the turbines and to the control station. It recently won a contract to supply an offshore wind farm containing up to 140 turbines, which means 280 cable ends. " We have been using our expertise to develop the termination and pull- in systems to make fast, efficient and " We have been using our expertise to develop the termination and pull- in systems to make fast, efficient and reliable cables and systems for the offshore wind market"