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Displaying items by tag: derelict dredger

A former dredger, Hebble Sand which in September was refloated in Drogheda Port from where it has been derelict for almost a decade, is to have the diesel it is carrying removed in the coming week.

According to Alison Comyn's report in the Drogheda Independent, the removal of diesel follows a written request from the Mayor of Drogheda, Cllr Michelle Hall, who received a report from Louth County Council's Environmental Compliance Officer about the partial sinking and diesel spillage from the veteran vessel that originally began a career in the UK.

The report on the almost 60-year-old grab-hopper dredger that also served Irish Sea ports, stated that there was no evidence of an oil leak found but some residual diesel was discharged.

The diesel had mixed with the low tide and that booms had been placed around the hull of the 757-tonne dredger, this to prevent further dispersion in the Co. Louth port as per requirements in estuarine waters.

In addition the report found no evidence of impact to fish nor to wildlife arising from the Hebble Sand that is berthed alongside Merchant's Quay on the north bank of the Boyne from where as Afloat.ie reported in 2014 was part of the Irish Maritime Festival.   

More information was also given of the ongoing works by Drogheda Port Authority.

Click here for further reading on the story. 

Published in Drogheda Port

Shipyards

Afloat will be focusing on news and developments of shipyards with newbuilds taking shape on either slipways and building halls.

The common practice of shipbuilding using modular construction, requires several yards make specific block sections that are towed to a single designated yard and joined together to complete the ship before been launched or floated out.

In addition, outfitting quays is where internal work on electrical and passenger facilities is installed (or upgraded if the ship is already in service). This work may involve newbuilds towed to another specialist yard, before the newbuild is completed as a new ship or of the same class, designed from the shipyard 'in-house' or from a naval architect consultancy. Shipyards also carry out repair and maintenance, overhaul, refit, survey, and conversion, for example, the addition or removal of cabins within a superstructure. All this requires ships to enter graving /dry-docks or floating drydocks, to enable access to the entire vessel out of the water.

Asides from shipbuilding, marine engineering projects such as offshore installations take place and others have diversified in the construction of offshore renewable projects, from wind-turbines and related tower structures. When ships are decommissioned and need to be disposed of, some yards have recycling facilities to segregate materials, though other vessels are run ashore, i.e. 'beached' and broken up there on site. The scrapped metal can be sold and made into other items.