Incat Crowther to design monohull dive support vessels

Incat Crowther has been contracted to design a trio of 42.5m monohull dive support vessels that will be delivered to Sistac. The vessels, currently under construction at SeaSafe Barcos Manufaturados, in Angra do Reis, Brazil, will be dedicated DP-2 capable dive support vessels, each featuring fully integrated ROV launch and recovery, dive compressors and decompression chamber. 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, 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.

Below decks are accommodations for the remaining 33 crew members, in a mix of 2-, 3- and 4-berth cabins. All accommodation cabins feature their own ensuite bathrooms.

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.

Length overall: 42.5m
Length waterline: 38.5m
Beam overall:  9.3m
Draft (hull): 1.85m
Draft (prop or max): 1.85m
Depth: 4.25m
Construction: marine grade aluminium

Fuel oil: 112,000 litres
Fresh water: 20,000 litres
Sullage: 3,000 litres
Personnel: 36

Speed (service): 13 knots
Speed (max): 15 knots
Main engines 4 x Scania D13
Power: 4 x 410kW @ 1800rpm
Propulsion: 4 x Hamilton Water Jets
Generators: 4 x Scania Dl13

Flag: Brazil
Class / Survey: Normam-01/RINA  

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