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Displaying items by tag: Dredger Hebble Sand

#DredgingDrogheda - Most ships serve a career spanning three-four decades, however Hebble Sand still remains in service more than half a century later and in the same role since 1963, as a dredger carrying out her latest work at Drogheda Port, writes Jehan Ashmore.

As previously reported on Afloat.ie, the 757 tonnes Hebble Sand was sold to Abco Marine in 2012 following her sale by Dublin Port Company, has been working along the banks of the Boyne between the town quays and out to the mouth of the river. In recent years Londonderry Harbour Commissioners suction-dredger Lough Foyle has been contracted to carry out this work. 

When sold to Abco Marine, the veteran grab-hopper dredger headed for Campbeltown on the Mull of Kintyre, however during her previous career with Dundalk Port Company until she and company assets were transferred to Dublin Port Company, the dredger worked in other Irish ports, harbours and for marine infrastructure projects such as the Samuel Beckett swing-bridge in Dublin.

Remarkably despite serving a career over five decades, she still retains her original name since her launch from Richard (Shipbuilders) of Lowestoft who built her for British Dredging.

So with less than two months to go, Drogheda's town quays will be hosting The Irish Maritime Festival (13, 14 and 15 June) and which is to welcome six tallships, among them the 110 year old, Bessie Ellen. She is only one of three remaining classic West Country trading ketches from over 600 such traditional sail cargoships that traded in Irish Sea and also to Scandinavia.

By coincidence, Bessie Ellen and Hebble Sand participated at the last Dublin Docklands Maritime Festival held in 2010, where the vessel which was kept in very good condition was open to the public.

Her presence along the Liffey was a most unusual vessel to have welcoming visitors during that tallships festival and such efforts should be encouraged to broaden the mix of vessels for the public to experience.

 

Published in Drogheda Port
As one of the consequences of the statutory transfer of operations from Dundalk Port Company to the Dublin Port Company in July, the grab-hopper dredger, Hebble Sand is up for sale, writes Jehan Ashmore.
Last year Dundalk Port Company had accumulated significant trading losses. Against such difficult conditions, Dublin Port Company decided to exit the businesses of dredging, ships agency and stevedoring in the Co. Louth port with effect from the end of September.

The Dublin Port Company has sought expressions from interested parties in undertaking the remaining activities of the port on an exclusive basis.

The Dundalk registered dredger arrived to the capital port on 14 July where she remains berthed at the Bulk Jetty in Alexandra Basin. Her previous owners, the Dundalk Port Company were unique in that they were the only port company to own and operate a dredger in the Republic. For many years the 757-tonnes dredger has carried out numerous contract assignments in ports throughout the island of Ireland including work on the Samuel Beckett swing-bridge and the most project was at Queens Quay, Belfast on the Lagan close to the city-centre.

Hebble Sand was launched by Richard (Shipbuilders) of Lowestoft for British Dredging and later used by Associated British Ports to serve a network of UK ports. Despite her age, the near fifty-year-old veteran vessel has been kept in excellent condition and this was evident during a rather unusual appearance for a ship of her type when attending the Dublin Docklands Maritime Festival in 2009.

She was made open for the public amongst the tall-ships that lined the Liffey Quays. Such an initiative was inspiring as it provided a rare opportunity for the public to access such a dredger which otherwise is not familiar compared to the popularity of visiting tall-ships and naval vessels.

The only other port to operate their own dredger is Londonderry Harbour Commissioners, whose Lough Foyle has worked on projects outside her homeport. This has included work at the new £40m Stena Line ferryport terminal on Loch Ryan close to Cairnryan and is due to open in November.

Published in Ports & Shipping

Marine Institute Research Vessel Tom Crean

Ireland’s new marine research vessel will be named the RV Tom Crean after the renowned County Kerry seaman and explorer who undertook three major groundbreaking expeditions to the Antarctic in the early years of the 20th Century which sought to increase scientific knowledge and to explore unreached areas of the world, at that time.

Ireland's new multi-purpose marine research vessel RV Tom Crean, was delivered in July 2022 and will be used by the Marine Institute and other State agencies and universities to undertake fisheries research, oceanographic and environmental research, seabed mapping surveys; as well as maintaining and deploying weather buoys, observational infrastructure and Remotely Operated Vehicles.

The RV Tom Crean will also enable the Marine Institute to continue to lead and support high-quality scientific surveys that contribute to Ireland's position as a leader in marine science. The research vessel is a modern, multipurpose, silent vessel (designed to meet the stringent criteria of the ICES 209 noise standard for fisheries research), capable of operating in the Irish Exclusive Economic Zone (EEZ). The Tom Crean is able to go to sea for at least 21 days at a time and is designed to operate in harsh sea conditions.

RV Tom Crean Specification Overview

  • Length Overall: 52.8 m
  • Beam 14m
  • Draft 5.2M 

Power

  • Main Propulsion Motor 2000 kw
  • Bow Thruster 780 kw
  • Tunnel thruster 400 kw

Other

  • Endurance  21 Days
  • Range of 8,000 nautical miles
  • DP1 Dynamic Positioning
  • Capacity for 3 x 20ft Containers

Irish Marine Research activities

The new state-of-the-art multi-purpose marine research vessel will carry out a wide range of marine research activities, including vital fisheries, climate change-related research, seabed mapping and oceanography.

The new 52.8-metre modern research vessel, which will replace the 31-metre RV Celtic Voyager, has been commissioned with funding provided by the Department of Agriculture, Food and the Marine approved by the Government of Ireland.

According to Aodhán FitzGerald, Research Vessel Manager of the MI, the RV Tom Crean will feature an articulated boom crane aft (6t@ 10m, 3T@ 15m), located on the aft-gantry. This will be largely used for loading science equipment and net and equipment handling offshore.

Mounted at the stern is a 10T A-frame aft which can articulate through 170 degrees which are for deploying and recovering large science equipment such as a remotely operated vehicle (ROV’s), towed sleds and for fishing operations.

In addition the fitting of an 8 Ton starboard side T Frame for deploying grabs and corers to 4000m which is the same depth applicable to when the vessel is heaving but is compensated by a CTD system consisting of a winch and frame during such operations.

The vessel will have the regulation MOB boat on a dedicated davit and the facility to carry a 6.5m Rigid Inflatable tender on the port side.

Also at the aft deck is where the 'Holland 1' Work class ROV and the University of Limericks 'Etain' sub-Atlantic ROV will be positioned. In addition up to 3 x 20’ (TEU) containers can be carried.

The newbuild has been engineered to endure increasing harsher conditions and the punishing weather systems encountered in the North-East Atlantic where deployments of RV Tom Crean on surveys spent up to 21 days duration.

In addition, RV Tom Crean will be able to operate in an ultra silent-mode, which is crucial to meet the stringent criteria of the ICES 209 noise standard for fisheries research purposes.

The classification of the newbuild as been appointed to Lloyds and below is a list of the main capabilities and duties to be tasked by RV Tom Crean:

  • Oceanographic surveys, incl. CTD water sampling
  • Fishery research operations
  • Acoustic research operations
  • Environmental research and sampling operation incl. coring
  • ROV and AUV/ASV Surveys
  • Buoy/Mooring operations

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