Incat Crowther Designs DSV Trio

Marine Technology Reporter
Monday, September 30, 2013
Photo: Incat Crowther

Incat Crowther has been contracted to design a trio of 42.5m Monohull Dive Support Vessels. The design is a new concept borne of the latest ideas from designer, builder and operator. The design has been developed to be a dedicated DP-2 capable Dive Support Vessel, featuring fully integrated ROV launch and recovery, dive compressors and decompression chamber. The vessels, currently under construction at SeaSafe Barcos Manufaturados, in Angra do Reis, Brazil, will be delivered to Sistac. The first of the three vessels, to be named Sistac Vitória, is due to be delivered in the first quarter of 2014.
The aft deck will feature a large working deck, which will house the ROV crane and reel, a pair of dive platforms and two deck cranes. Inside the main deck house are functional areas such as toilets and showers, dive shop (housing compressors and decompression chamber) and ROV shop.
Forward of these spaces are an office, TV room, meeting room, mess areas and two single-berth cabins for senior personnel and a designated officer cabin.
A spacious wheelhouse is located upstairs, with forward and aft facing vessel control stations, ROV and dive control workstations. Overhead windows are fitted both fore and aft for high-angle visibility.
Four Scania D13 main engines, each producing 410kW, will power the vessels. The vessels will have a service speed of 13 knots and a top speed of 15 knots. The DP-2 capability ensures the vessel can hold station in the event of a failure in any single component of the system, enhancing both safety and reliability.

 

Specifications – 42.5m DSV
Lengt, o.a.    42.5m
Lengt, w.l.    38.5m
Beam, o.a.     9.3m
Draft (hull)     1.85m
Draft (prop or max)     1.85m
Depth     4.25m
Construction    Aluminum
Fuel Oil     112,000 liters
Fresh Water     20,000 liters
Sullage     3,000 liters
Personnel     36
Speed (Service)     13 knots
Speed (Max)     15 knots
Main Engines     4 x Scania D13
Power     4 x 410kW @ 1800rpm
Propulsion     Hamilton Water Jets
Generators     4 x Scania Dl13
Flag     Brazil
Class    RINA
 

(As published in the September 2013 edition of Marine Technologies - www.seadiscovery.com)


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