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Incat delivers dive support vessel to Sistac for use offshore Brazil

11th March 2015

Incat Crowther has delivered the Sistac Victoria, a purpose-built RINA-classed, DP-2 monohull dive support vessel, to Sistac Sistemas De Acesso S.A. for service in Brazilian offshore waters

Incat Crowther has delivered the Sistac Victoria, a purpose-built RINA-classed, DP-2 monohull dive support vessel, to Sistac Sistemas De Acesso S.A. for service in Brazilian offshore waters
The vessel was designed by Incat Crowther in collaboration with the vessel’s builder, SeaSafe Barcos Manufacturados S.A. in Angra dos Reis, Brazil for Sistac Sistemas De Acesso S.A.

The vessel was designed by Incat Crowther in collaboration with the vessel’s builder, SeaSafe Barcos Manufacturados S.A. in Angra dos Reis, Brazil for Sistac Sistemas De Acesso S.A.

The Sistac Victoria’s generously sized aft working deck includes multiple A-frame assemblies with integrated winches for ROV and dive bell launching and retrieving as well as a knuckle-boom crane for handling deck gear and a small rescue/service vessel. The aft deck also features a lower platform at the stern to facilitate direct access to the sea by diving personnel. Completing the aft deck arrangement is a dive shop and dive control centre, which is centrally located on the aft deck.

The interior of the main deck house includes an emergency generator space, a decompression chamber, office, TV/entertainment Room, meeting room, lunch room, galley with generously sized freezer, cooler, and pantry, and three (3) single-berth cabins with en-suite bathrooms for senior personnel.

Below decks are accommodations for the 33 crew and dive personnel, which are designed as two, three, and four-berth cabins, each with their own en-suite bathrooms.

A spacious wheelhouse features forward and aft facing controls, numerous lockers, a refreshment centre, and two ROV control stations. A large deck ahead of the wheelhouse provides a landing area complying with Petrobras requirements for accommodating a crane-loaded man-riding basket, and for carriage and delivery of supplies and small cargo.

Four Scania DI13 main engines driving Hamilton HM 521 waterjets through ZF 665 gearboxes supplies propulsion power to the vessel. Diver safety and maneuverability were key drivers in the selection of waterjet propulsion. Station-keeping and maneuverability are further enhanced by three Thrustmaster 30TT200 tunnel bow thrusters. Main electrical power is supplied by four Scania DI13, 375 ekW gensets.

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