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Displaying items by tag: Dredging Works

#RosslareDredging – Dredging operations to remove an unprecedented amount of sand at Rosslare Europort as previously reported, has highlighted the issue and some navigation restrictions in place at the ferryport that has routes linking to the UK and France, writes Jehan Ashmore.

The task to remove 100,000m3 of sand accumulated during a spate of severe winter storms earlier this year compares starkly to previous years where the average rate generated was only around 11,000m3.

Rosslare Europort, the port authority operated by Iarnród Éireann was allocated €1.4m to contract out the dredging works to restore normal working conditions following granting of a foreshore license.

Despite the dredging, ferries remain running albeit there are some navigational restrictions along the harbour's breakwater (outer pier) as the Dutch dredger Sospan Dau (1978/1,566 tonnes) is expected to take three weeks to complete operations.

The Europort has two clients, Stena Line, serving Fishguard in Wales and Cherbourg. The Normandy port is likewise linked by Irish Ferries which too has a second continental route to Roscoff, Brittany but only in the summer.

The sheer volume of sand that shifted alongside the breakwater will keep the Sospan Dau busy in removing and transferring the deposits to neighbouring Rosslare Strand, a popular scenic stretch along Wexford's sunny south-eastern shoreline.

Fishguard route vessel, Stena Europe (1981/24,828grt) which daily uses berth no. 3 at the Europort's breakwater, makes a wider swing off the breakwater where the affected area is marked off by a buoy. Other ferries less frequently using this same berth will also have to undertake this procedure as well to making a wider sweep off the pier-head's lighthouse.

Further along the breakwater, the shifting sands have led to the in-action of berth no. 4 though currently no ferries are running from this link-span lastly operated by fast-ferry Stena Lynx III. She was marketed as the Stena 'Express' sailing summer season sailings in tandem with the 'Europe'.

The fast-ferry was sold to South Korean interests as previously reported on Afloat.ie in 2011, leaving the conventional ferry to soldier on as the oldest in the ferry firm's Irish Sea fleet.

Despite the impact of the sand, the ferryport has additional berths at No. 1 and 2 located at the inner pier.

Should the occasion arise and not just because of sand related issues, ferries have the option to be re-allocated to these berths as long as the ships design and that of the link-span are compatible.

 

Published in Ferry

Marine Science Perhaps it is the work of the Irish research vessel RV Celtic Explorer out in the Atlantic Ocean that best highlights the essential nature of marine research, development and sustainable management, through which Ireland is developing a strong and well-deserved reputation as an emerging centre of excellence. From Wavebob Ocean energy technology to aquaculture to weather buoys and oil exploration these pages document the work of Irish marine science and how Irish scientists have secured prominent roles in many European and international marine science bodies.

 

At A Glance – Ocean Facts

  • 71% of the earth’s surface is covered by the ocean
  • The ocean is responsible for the water cycle, which affects our weather
  • The ocean absorbs 30% of the carbon dioxide added to the atmosphere by human activity
  • The real map of Ireland has a seabed territory ten times the size of its land area
  • The ocean is the support system of our planet.
  • Over half of the oxygen we breathe was produced in the ocean
  • The global market for seaweed is valued at approximately €5.4 billion
  • · Coral reefs are among the oldest ecosystems in the world — at 230 million years
  • 1.9 million people live within 5km of the coast in Ireland
  • Ocean waters hold nearly 20 million tons of gold. If we could mine all of the gold from the ocean, we would have enough to give every person on earth 9lbs of the precious metal!
  • Aquaculture is the fastest growing food sector in the world – Ireland is ranked 7th largest aquaculture producer in the EU
  • The Atlantic Ocean is the second largest ocean in the world, covering 20% of the earth’s surface. Out of all the oceans, the Atlantic Ocean is the saltiest
  • The Pacific Ocean is the largest ocean in the world. It’s bigger than all the continents put together
  • Ireland is surrounded by some of the most productive fishing grounds in Europe, with Irish commercial fish landings worth around €200 million annually
  • 97% of the earth’s water is in the ocean
  • The ocean provides the greatest amount of the world’s protein consumed by humans
  • Plastic affects 700 species in the oceans from plankton to whales.
  • Only 10% of the oceans have been explored.
  • 8 million tonnes of plastic enter the ocean each year, equal to dumping a garbage truck of plastic into the ocean every minute.
  • 12 humans have walked on the moon but only 3 humans have been to the deepest part of the ocean.

(Ref: Marine Institute)

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