VESSEL REVIEW | Heroyhav – Norwegian owner's new trawler/seiner boats improved safety and comfort
The Ervik Group, a family-owned fishing company based in Fosnavåg in southwestern Norway, has taken delivery of a new pelagic trawler and seiner that will be operated by its subsidiary Herøyhav.
The vessel, which is also named Herøyhav, was built by Karstensens Skibsværft in compliance with DNV class rules. Construction of the hull was undertaken at Karstensens Shipyard Poland while final outfitting took place at Karstensen's facilities in Denmark.
The builder said the overall design and the layout were developed in close collaboration with the owner. The latter had requested a number of innovative solutions, and special emphasis has been placed on optimising the working conditions as well as the safety and comfort of the crew.
Durable construction coupled with space maximisation
Herøyhav has an LOA of 75 metres (250 feet), a moulded beam of 16 metres (52 feet), a depth of 6.5 metres (21 feet), and a gross tonnage of 3,200. Power is provided by a 5,200kW (7,000hp) main engine that drives a 4,200mm propeller to deliver a speed of approximately 16 knots. The main engine also has a take-me-home function.
Power for the onboard electronics is drawn from a Marelli 3,400kW shaft alternator and two 940kWe diesel generators and a 550kWe generator supplied by Caterpillar. The electrical system is configured to enable parallel operation of the generators if needed.
Additional lateral manoeuvrability is provided by two 1,400kW side thrusters from Brunvoll. Kongsberg meanwhile supplied the rudder and the steering system.
The vessel’s hull is built in steel with a main deck and a shelter deck. The wheelhouse, the funnel, and the fore and aft masts are built in aluminium. The hull is built on a round frame, with a nearly vertical bow with a bulb above and below the waterline. The stern is made with a knee line/bulb bow and skew.
Below the main deck, the hull is divided into a forepeak, a bow thruster/sonar compartment, high tanks for fuel oil and flushing water, an RSW cargo section with 11 tanks and central RSW pump/manifold compartment, an engine room, and separate compartments for the auxiliary engine and separators.
On the main deck are the stores, the RSW cargo trunk section, a machine shop, a control room, a hydraulic room, a switchboard room, an exercise room, a laundry area, and four crew cabins with en suite toilets and showers. On the shelter deck are the roll damping tanks and a generator room.
The upper superstructure features four crew cabins with en suite toilets and showers, a hospital, a laundry area, a coffee bar, a changing room, and an oil storage room with shared toilet. Boat decks one and two feature five officers’ cabins with en suite toilets and showers, a day room, a cinema, a mess, a galley with provisions space, and a shared toilet.
The wheelhouse meanwhile provides a full 360 degrees of visibility and four NorSap seats for the crew.
Noise insulation panels are installed throughout the vessel and the interior spaces are placed far enough away from the propeller and other sources of noise to ensure that the spaces are as quiet (below 55 dB at 80 per cent MCR) and as comfortable as possible.
Work on the interiors was undertaken by Maritime Montering.
Electric deck equipment ensuring reduced local emissions
The deck equipment consists of Evotec electric winches and Storm cranes while the fish hold equipment includes two FrioNordica 1,500kW RSW plants and a Cflow vacuum system. SeaQuest provided an electric fish pump and the 158kW power packs for the cranes while Brodrene Markussens supplied the trawl blocks.
An electronics package from Furuno includes sonars, radars, a gyrocompass, a GPS, VHF radios, and a voyage data recorder. Among the other electronics are MaxSea and Olex plotters, an Intellian satellite TV, Scantrol and Marport monitoring systems, a SunnCom intercom, and a Simrad autopilot.
Viking Life-Saving Equipment provided the vessel’s MOB boat and a dedicated davit as well as two 20-person liferafts. Also fitted are a fire alarm from Consilum and a water mist fire suppression system from Survitec.
Herøyhav replaces a similarly named vessel that was delivered to the same owner in 2013. The new vessel will be used primarily to trawl for blue whiting off the western coast of Ireland and to catch herring and mackerel via purse seining.
