DCN Diving recently contracted MacArtney to build & deliver a range of underwater technology equipment for use on a major project. DCN Diving had been called upon to perform a diver-habitat based inspection and repair of the inlet channels at a large European power plant. Critical projects like this often come with a challenging timeframe and this instance proved no different. One of the challenges related to the project was the extensive length of the actual inlet tunnels, which required the umbilical cable for interfacing the control room and the diver habitats to be almost 900 metres long.