Subsea Viking becomes cable layer Vessel & ROV News
// October 19, 2001
It's not every day that a customer from Scotland brings a Norwegian ship to a Pacific Northwest shipyard for a conversion, but that's what happened when the 338ft (103m) Subsea Viking arrived at Bellingham Bay Shipyard (BBS) earlier this year.The former offshore support vessel has been converted into a fibre optic cable-laying vessel at the Bellingham yard, a process that was achieved in just five weeks.Working two shifts a day over the allotted time period, Bellingham Bay first went about the removals process to make way for adding new structures and equipment for the Subsea Viking to take on its new job.Wood decking was removed, along with supports and foundations used for previous equipment. Then the fabrication and installation projects began, a central job being to put in two underdeck beams after removing the main centreline beam and creating an opening in the deck for cable to pass through from the storage carousel below.Other major undertakings included aft deck foundations for cable-laying equipment, stern chutes for guiding cable as it passed overboard, stainless steel cable troughs on deck to guide the cable to the stern chutes, combing and a watertight cover for theopening above the cable carousel, and a gantry for handling cable and repeaters to various positions on deck.Following all of these fabrication and installation projects, BBS also assisted the customer with hydraulics installation and hook-ups; installation, mounting, and testing of various pieces of new equipment; fabrication and installation of a sprinkler system over the cable carousel; and fabrication and installation of various storage containers.In total, more than 65 tons of steel had been fabricated and installed to convert the Subsea Viking.
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