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Displaying items by tag: breakwater

Plans to refurbish the Port of Holyhead's Breakwater amid concerns it could fail within the next 15 years has led to a consultation launched.

Investigations of the structure have identified a need for a large scale refurbishment of the Breakwater to ensure that it can continue to receive about 70% of all ferry vehicle movement between Ireland and Wales and the North West.

Since its completion in 1873, the Breakwater has been subject to considerable wave action, which has led to the movement and erosion (as Afloat reported) of the rubble mound, that supports the structures wall.

Over the coming years it is anticipated that the level of the mound will become so low that the footing of the vertical walls will be at risk of being undermined.

"Investigations of the structure have predicted that the Breakwater could fail within the next 15 years meaning a permanent solution must be found," a Stena Line Ports spokesperson said.

More from North Wales Pioneer here.

Published in News Update

The Port of Holyhead could become unusable if action is not taken to repair its breakwater.

The structure, reports NorthWalesLive, which is 1.7 mile long and took 28 years to build, is gradually eroding.

But if it is not repaired, the port could be be closed within the next 15 years.

Stena Ports has been carrying out day to day maintenance of the structure, but the costs of that are running at around £150,000 a year.

The mound of rubble is being worn away by waves, and experts believe it could be breached within 15 years.

Plans to repair the breakwater - the longest in Britain - are now being drawn up.

For more on the breakwater, click here. 

Published in Ferry

#LIFEBOATS - The latest marine notice from the Department of Transport, Tourism and Sport (DTTAS) advises of construction work being carried out on Baltimore Lifeboat Station from today 5 March.

As previously reported on Afloat.ie, the works are part of a €2.6 million State-funded project to conduct essential remedial works at harbours across West Cork this year.

The works - which will be ongoing till mid-October pending weather conditions - will involve piling immediately adjacent to the foreshore on the north-east side of the building, and the deposition of rock to form an armoured breakwater jutting some 80m into Church Strand Bay.

No forseeable impact to mariners in the area is expected, but vessels are in any case requested to proceed slowly and with caution in the approach channel to Church Strand Bay and to give the works a wide berth to avoid wave-wash.

Further details for mariners are included in Marine Notice No 9 of 2012, a PDF of which is available to read and download HERE.

Published in RNLI Lifeboats

About Electric outboard engines

The direct-drive component in electric outboard engines means that the electric motors are incredibly efficient compared to conventional marine combustion motors, operating with considerably higher torque whilst using less power.

Without any need for gears, cooling systems and moving parts the motors are maintenance free, highly efficient and economic to run.

As a result, electric boat engines are becoming more popular on Irish waters as the world transitions from fossil fuels to green energy.

To date, popular electric engine sizes have been trolling engines typically used by fishermen on lakes.

These marine engines are available in models that can be used in fresh water and sea water, for your boat or kayak.

Electric motors are Ideal for fishermen because they are quiet and create little in the way of disturbance 

Popular electric trolling models range from 30lb thrust to 55lb thrust in a range of shaft lengths.

But use is becoming broader now in 2021 and electric outboard engines are being used on small runabouts and RIBS where electric outboard engine sizes are getting bigger.

Outboard electric engines are economical and environmentally friendly. Battery technology is also improving at a rapid rate meaning they are becoming smaller and lighter and run for longer.

Built in hydro-generation provides alternative recharging options whilst under sail are also options meaning the electric outboard now has a home on the stern on small yachts and dayboats too.

As far back as 2014, Torqeedo owner Jack O'Keefe from Cork Harbour told Afloat readers of his sailing adventures in a Drascombe Coaster dinghy and how after swapping from a petrol version the rewards from his new electric outboard engine are less noise, no smells, more stowage, better sailing performance and a motor that can be started by a small child. But it's still not silent, there's a whine he says here 

Popular brands in Ireland are Torqeedo, ePropulsion, Pulsar and Minn Kota but there are more arriving all the time as the technology advances