Briggs takes delivery of third survey cat
Australia’s Incat Crowther worked in close conjunction with Mustang Marine and Briggs Marine to develop the design
Scotland based Briggs Commercial has taken delivery of the 18m survey catamaran, Severn Guardian, the third in a line of such vessels deployed by Briggs Marine to support coastal survey operations for the Environment Agency of England and Wales.
Launched by Wales based Mustang Marine in late 2012, it joins Humber Guardian and Mersey Guardian in the fleet. Developed by Australia’s Incat Crowther in close conjunction with Mustang Marine and Briggs Marine, these vessels are practical, capable and rugged. The working aft deck features a two tonne ‘A’ frame, man overboard davit, and moon pool as well as a twin drum hydraulic winch.
The main cabin has three primary areas. The first of these is the large working space consisting of both wet and dry laboratories, as well as a day toilet, a refrigerator and a freezer. A data network has been installed and two computer terminals are available in the dry laboratory for data processing.
Forward of this is a crew space, featuring a galley and mess, as a well as access into the hulls. At the front of the cabin is a raised wheelhouse, affording excellent all round visibility.
The roof houses a RIB, launched and retrieved by the adjacent Effer 3700/1E hydraulic knuckle boom crane which is fitted with a 600kg winch and is capable of lifting items to a maximum weight of 1300kg at a radius of 2.5m.
Accessed via stairs from the galley/mess space, the hulls offer more comfortable live aboard accommodation than previous vessels used by the Environment Agency. There is accommodation for six in three twin cabins, as well as a shower room in one hull.
Severn Guardian is powered by a pair of Volvo Penta D9-MH main engines, each producing 261kW at 2,200 rpm. The power is driven through Twin Disc MGX-5075 gears to five bladed propellers to provide a service speed of 16 knots and a maximum speed of 18 knots.
A fourth vessel, Solent Guardian, is under construction and is due to join the fleet in the second quarter of 2013.
Length overall: 18.3m
Power: Two Volvo Penta D9 MH rated 261kW
Service speed: 16 knots
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