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    Incat Crowther DSVs for Oceanica Offshore

    Vessel & ROV News // August 4, 2015

    Incat Crowther's 43m DSV design.

    Incat Crowther has released details of a pair of 43m monohull dive support vessels it has designed. The design is being developed to meet RINA class requirements for special service, diving, and dynamic positioning.

    The vessels are currently under construction at Arpoadar Engenharia, in Guaruja, Brazil and will be delivered to Oceanica Offshore for service in Brazil with Petrobras.

    The aft main deck features a large working deck, which will house the hyperbaric chamber, dive bell crane, portside deck crane, and ROV crane. Inside the main deck house are functional areas including a dive operations office, a workshop, two toilet spaces, laundry room, TV room, lunch room, galley featuring space for large walk-in cooler and freezer, pantry, and dining/meeting room.

    On the mid deck, outside cabin features a davit crane for a rescue/workboat, a waste storage area and anchor winch. Inside the cabin, are crew quarters which accompany 12 crew members. Each stateroom features bunks, desk, lockers and en suite bathrooms.

    The upper deck houses a spacious wheelhouse, with forward and aft facing vessel control stations and a desk wrapping around the stairwell for workspace. Aside from perimeter windows providing 360 degree visibility, overhead windows are also fitted both forward and aft for increased visibility around offshore structures.

    Below decks are accommodations for the remaining 24 crew members with six 4-berth cabins. All accommodation cabins feature bunks, desks, lockers and en suite bathrooms. The amidships portion contains a large machinery space housing compressors, pumps, main switchboard, and other diving support equipment. A sizeable engine room and a waterjet compartment are located aft.

    Four Cummins QSK-19 main engines, each producing 492kW, will power the vessels. The vessels will be propelled by four Hamilton HM-521 jets. The waterjet propulsion has been selected to reduce diver risk.

    Electrical power will be provided by three Cummins QSM 11, 300 ekW gensets plus one Cummins 6BT5.9, 92 ekW emergency genset. Two Rodriquez 150kw tunnel thrusters provide manoeuvring and stationkeeping power. The vessels will have a service speed of 12.5 knots.



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