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Displaying items by tag: Dredging

The Dublin Port Company has given notice that maintenance dredging will take place between Alexandra Basin and the Dublin Bay Buoy from tomorrow, Thursday 10 September.

Four weeks of dredging works are scheduled in the fairway and berth pockets from the buoy to a line drawn due south of berth OB1 and including Alexandra Basin East.

Three vessels will be involved in the dredging works: the trailing suction hopper dredger Shoalway; the survey vessel Smit Neyland; and Norma, a bed-levelling plough.

The three craft will maintain a listening watch on VHF Channel 12 and show the required lights and shapes.

All other vessels should pass at slow speed and make due allowance for their operations and restricted manoeuvrability.

Published in Dublin Port
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The Port of Cork reminds mariners that maintenance dredging will be taking place in Cork Harbour on all main shipping channels and berths from this Wednesday 19 August.

As previously reported on Afloat.ie, the dredging campaign by the TSHD Taccola will progress 24 hours a day until late September.

It follows a prior survey conducted last week, and bed levelling operations which began yesterday, Sunday 16 August.

Mariners are requested to navigate with caution when in the vicinity of the work craft, to pass by as wide a margin as possible and proceed with minimum wash and speed.

Published in Port of Cork
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A maintenance dredging campaign has begun in recent days at the Port of Waterford where activities will involve the waters of Duncannon Bar, Cheekpoint, and at the port's main terminal at Belview, writes Jehan Ashmore

Prior to the operations at the south-east port, the Cypriot flagged Shoalway, a trailing suction hopper dredger had been carrying out operations for the Dublin Port Company. Shoalway sailed from the capital to arrive on the Waterford Estuary on Sunday. 

According to the Port of Waterford (click to consult campaign notice here), the dredger will dispose spoil at an approved site south west of Hook Head, Co. Wexford. Dredging will be followed by a bed levelling campaign by the vessels, Fastnet Sound and or the Glenesk.

Afloat adds that Irish Dredging which is a subsidiary of Royal Boskalis Westminster nv, the world’s largest dredging group, was given the contract from the Port of Waterford. The extensive fleet of the Dutch group provides Irish Dredging access to the use a of wide range of vessels for projects around the Irish coast.

Further tracking of the Shoalway since introduction on the Waterford Estaury has seen the 90m long dredger kept busy between Cheekpoint to the spoiling grounds out to sea.

The campaign according to the Port of Waterford is expected to last approximately 24 days.

Published in Irish Ports

#Irishports - The Port of Waterford have issued a Marine Notice in recent days to advise all ship owners, shipmasters, agents, fishing vessels, pleasure craft users, seafarers and fishery organisations of a dredging campaign, writes Jehan Ashmore.

The dredging operation along Waterford Estuary began in mid-March and according to the south-east multi-modal Port the campaign will continue until around 6 April.

Carrying out these works is the task of trailing suction hopper dredger Freeway which will conduct dredging activities in the vicinity of Belview Port. The lo-lo facility located downriver of Waterford City is the main port along the estuary.

Freeway is operated by UK firm, Royal Boskalis Westminster based in Hampshire. They are no strangers to these waters having been contracted previously by the port and more recently from the Dublin Port Company. Due to berth capacity constraints the 92m dredger during December had to dock in Dun Laoghaire Harbour.

On this occasion, Freeway's role on Waterford Estuary will include duties carried off Cheekpoint and at the Duncannon Bar located further downriver and beyond where the Passage East ferry links to Ballyhack.

Disposal material from Freeway will take place at an approved site south west of Hook Head. Following such work a bed-levelling campaign will be assigned to the Waterford City based catamaran craft Fastnet Sound.

Published in Irish Ports

The Department of Agriculture, Food and the Marine has updated local Fingal councillors on its proposals for the dredging of Howth Harbour.

On his Facebook page, Cllr Cian O’Callaghan says the meeting with the department and the Howth Harbour Master on Wednesday (6 March) detailed a plan to dredge five key areas of the harbour, namely:

  • The fishing trawler basin between the West Pier and Middle Pier
  • The approach channel at the mouth of the harbour
  • The marina used by Howth Yacht Club
  • The approach channel to the marina
  • The outer moorings area which is used by the Howth Sailing and Boat Club

This would result in the extraction of 225,000 cubic metres of silt, the equivalent of up to 30,000 lorry loads, says Cllr O’Callaghan.

The detailed plan follows testing of material extracted from the harbour which confirms that while is it contaminated by general harbour activity, it is not considered hazardous.

It is being proposed that the spoil be treated and used to create a 100-metre-wide infill area along the west side of the present West Pier. Plans for the use of this new space have not yet been decided but it is expected there will be a relevant public consultation by year’s end.

Four months ago the tender period closed for engineering services related to these long-awaited dreading works in the North Co Dublin harbour.

Published in Howth YC
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Monday 12 November is the final date for receipt of tenders for engineering services for the long-awaited dredging of Howth Harbour.

Howth Yacht Club Commodore Joe McPeake has confirmed the date after contact with the Department of Transport, Tourism and Sport.

It is believed that consultants will be appointed within two weeks of tender closing date, and that they will engage with harbour stakeholders early in the new year to discuss issues such as minimising disruption to harbour operations, including the moorings and marina.

While no clear timeframe is available as yet, Commodore McPeake expects the initial stage towards securing licensing and planning permission to take 12 to 15 months, pending any potential challenges.

Following that, dredging works could take up to 18 months to complete, including works at both piers in Howth.

“As soon as the engineers have been appointed we will seek to meet with them to scope out their plan to methodology and review its implications for us,” said Commodore McPeake, who expects to further update Howth Yacht Club members in February.

Published in Howth YC
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#Ports&Shipping - The second largest port in Northern Ireland, Warrenpoint Port, is inviting members of the public and other key stakeholders to comment on proposed changes to how dredged material from the harbour is dealt with.

The Co. Down port currently carries out a major dredging programme every two to five years with material disposed of in the Irish Sea.

However, new plans have been put forward to carry out dredging on a more regular but smaller scale, with material placed at a site in the mouth of Carlingford Lough between Cranfield Point and Greencastle.

Clare Guinness, CEO, Warrenpoint Port said: “In order for the Port to continue to support maritime trade successfully, it must ensure a sufficient water depth is maintained to allow for the safe berthing of vessels, which it does through dredging.

“In anticipation of a rise in trade over the coming years, and to ensure the Port continues to thrive as an economic driver to the local region, a new site for the disposal of dredged material is being proposed within the mouth of Carlingford Lough.

“This is also in line with current thinking that dredged material should be deposited as close as possible to source.

“In our role as a custodian of the marine environment, we want to hear the views of all stakeholders, including members of the public, before any plans are put into action.”

A number of surveys, studies and assessments will be undertaken to determine the suitability of the location between Cranfield Point and Greencastle, including marine ecology and sediment surveys, geophysical surveys, and hydrodynamic and sediment transport modelling.

A public drop-in consultation event will take place at Warrenpoint Town Hall on Wednesday 19th September from 4pm to 7pm. There will be an opportunity to discuss the proposed disposal site and the environmental assessment process with Port staff and its consultants Royal HaskoningDHV.

Published in Ports & Shipping

#DublinBay - The dumping of sewage sludge in deeper waters beyond the Kish Bank “might well serve as a model” for the current dredging of Dublin Port.

In a letter to The Irish Times earlier this week, Cormac F Lowth, a diver and member of the Maritime Institute of Ireland, responds to the claims of Dublin Port Company’s chief regarding the effects of recent dredging operations.

Dublin Port CEO Eamonn O’Reilly defended the dredging operations in the port, citing “the science available to measure its impact” in response to discontent among diving groups over the state of the water in Dublin Bay.

Divers concerned that the dredging is to blame for murky waters, which have seen all planned dives cancelled due to poor visibility, have however “ignored the obvious” and might now look further east for a potential answer to a question that’s left the bay’s crabs and lobsters with ‘an overcoat of silt on their backs’.

Lowth explains that dredging spoil such as that dumped at the Burford Bank at the edge of Dublin Bay contains estuarine mud and fluvial silt that “is not going to remain in toto on the top of this bank”.

“A glance at a tidal atlas for Dublin Bay is enough to convince one that much of anything that gets dumped near the mouth of the bay will get washed back in by the strong tidal currents,” writes Lowth. “This can surely be described as the maritime equivalent of defecating on your own doorstep.”

The Irish Times has more on the story HERE.

This article was updated on Thursday 17 May to correct an inadvertent misrepresentation of Cormac F Lowth's comments.

Published in Dublin Bay
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#DublinBay - Murky seawater in Dublin Bay should not be blamed on dredging, according to Dublin Port Company’s CEO.

Earlier this week, it emerged that all planned diving excursions in Dublin Bay by Irish Underwater Council members had been cancelled due to poor visibility in the water.

Dive instructor Peader Farrell pointed at dredging works to deepen the channels into Dublin Port for rendering the bay’s waters “filthy brown” and leaving crustaceans “with an overcoat of silt on their backs”.

However, in a letter to The Irish times this morning (Thursday 10 May), Dublin Port Company chief executive Eamonn O’Reilly says that the dredging operations that began last year ‘did not cause any discernible increase in turbidity above recorded background levels’, according to the port’s Annual Environmental Report.

“Dredging has been a feature of operations in Dublin Port since the early 20th century,” said O’Reilly.

“We now have the science available to measure its impact and objectively confirm that dredging in Dublin Port does not damage the environment of Dublin Bay.”

The Irish Times has more HERE.

Published in Dublin Bay
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#DublinBay - All planned diving expeditions in Dublin Bay have been cancelled due to silt from dredging operations clouding the water, it has been claimed.

The Irish Times reports that Irish Underwater Council members have abandoned all scheduled dives, as a result of poor visibility from particles in the water that have also left lobsters and crabs with “an overcoat of silt on their backs”, according to one diver.

Dredging works to allow larger cargo ships and cruise liners to enter Dublin Port began in October last year, as previously reported on Afloat.ie.

But this dredging has left the waters of Dublin Bay “filthy brown, somewhere between dark chocolate and milk chocolate,” says diving instructor Peadar Farrell. “None of the local scuba diving clubs have been able to start diving as yet in 2018.”

The Irish Times has more on the story HERE.

Published in Dublin Bay
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Irish Coast Guard

The Irish Coast Guard is Ireland's 4th Blue Light service (along with An Garda Síochána, the Ambulance Service and the Fire Service). It provides a nationwide maritime emergency organisation as well as a variety of services to shipping and other government agencies.

The purpose of the Irish Coast Guard is to promote safety and security standards, and by doing so, prevent as far as possible, the loss of life at sea, and on inland waters, mountains and caves, and to provide effective emergency response services and to safeguard the quality of the marine environment.

The Irish Coast Guard has responsibility for Ireland's system of marine communications, surveillance and emergency management in Ireland's Exclusive Economic Zone (EEZ) and certain inland waterways.

It is responsible for the response to, and co-ordination of, maritime accidents which require search and rescue and counter-pollution and ship casualty operations. It also has responsibility for vessel traffic monitoring.

Operations in respect of maritime security, illegal drug trafficking, illegal migration and fisheries enforcement are co-ordinated by other bodies within the Irish Government.

Introduction

On average, each year, the Irish Coast Guard is expected to:

  • handle 3,000 marine emergencies
  • assist 4,500 people and save about 200 lives
  • task Coast Guard helicopters on missions around 2000 times (40 times to assist mountain rescues and 200 times to carry out aeromedical HEMS missions on behalf of the HSE), Coast Guard volunteer units will respond 1000 times and RNLI and community lifeboats will be tasked by our Coordination Centres about 950 times
  • evacuate medical patients off our Islands to hospital on 100 occasions
  • assist other nations' Coast Guards about 200 times
  • make around 6,000 maritime safety broadcasts to shipping, fishing and leisure craft users
  • carry out a safety on the water campaign that targets primary schools and leisure craft users, including at sea and beach patrols
  • investigate approximately 50 maritime pollution reports

The Coast Guard has been around in some form in Ireland since 1908.

List of Coast Guard Units in Ireland

  • Achill, Co. Mayo
  • Ardmore, Co. Waterford
  • Arklow, Co. Wicklow
  • Ballybunion, Co. Kerry
  • Ballycotton, Co. Cork
  • Ballyglass, Co. Mayo
  • Bonmahon, Co. Waterford
  • Bunbeg, Co. Donegal
  • Carnsore, Co. Wexford
  • Castlefreake, Co. Cork
  • Castletownbere, Co. Cork
  • Cleggan, Co. Galway
  • Clogherhead, Co. Louth
  • Costelloe Bay, Co. Galway
  • Courtown, Co. Wexford
  • Crosshaven, Co. Cork
  • Curracloe, Co. Wexford
  • Dingle, Co. Kerry
  • Doolin, Co. Clare
  • Drogheda, Co. Louth
  • Dun Laoghaire, Co. Dublin
  • Dunmore East, Co. Waterford
  • Fethard, Co. Wexford
  • Glandore, Co. Cork
  • Glenderry, Co. Kerry
  • Goleen, Co. Cork
  • Greencastle, Co. Donegal
  • Greenore, Co. Louth
  • Greystones, Co. Wicklow
  • Guileen, Co. Cork
  • Howth, Co. Dublin
  • Kilkee, Co. Clare
  • Killala, Co. Mayo
  • Killybegs, Co. Donegal
  • Kilmore Quay, Co. Wexford
  • Knightstown, Co. Kerry
  • Mulroy, Co. Donegal
  • North Aran, Co. Galway
  • Old Head Of Kinsale, Co. Cork
  • Oysterhaven, Co. Cork
  • Rosslare, Co. Wexford
  • Seven Heads, Co. Cork
  • Skerries, Co. Dublin
  • Summercove, Co. Cork
  • Toe Head, Co. Cork
  • Tory Island, Co. Donegal
  • Tramore, Co. Waterford
  • Waterville, Co. Kerry
  • Westport, Co. Mayo
  • Wicklow
  • Youghal, Co. Cork

The roles of the Irish Coast Guard

The main roles of the Irish Coast Guard are to rescue people from danger at sea or on land, to organise immediate medical transport and to assist boats and ships within the country's jurisdiction.

Each year the Irish Coast Guard co-ordinates the response to thousands of incidents at sea and on the cliffs and beaches of Ireland. It does this through its Marine Rescue Centres which are currently based in:

  • Dublin
  • Malin Head (Co Donegal)
  • Valentia Island (Co Kerry).

Each centre is responsible for search and rescue operations.

The Dublin National Maritime Operations Centre (NMOC) provides marine search and rescue response services and co-ordinates the response to marine casualty incidents within the Irish Pollution Responsibility Zone/EEZ.

The Marine Rescue Sub Centre (MRSC) Valentia and MRSC Malin Head are 24/7 centres co-ordinating search and rescue response in their areas of responsibility.

The Marine Rescue Sub Centre (MRSC) Valentia is the contact point for routine operational matters in the area between Ballycotton and Clifden.

MRSC Malin Head is the contact point for routine operational matters in the area between Clifden and Lough Foyle.

MRCC Dublin is the contact point for routine operational matters in the area between Carlingford Lough and Ballycotton.

Each MRCC/MRSC broadcasts maritime safety information on VHF and, in some cases, MF radio in accordance with published schedules.

Maritime safety information that is broadcast by the three Marine Rescue Sub-centres includes:

  • navigational warnings as issued by the UK Hydrographic Office
  • gale warnings, shipping forecasts, local inshore forecasts, strong wind warnings and small craft warnings as issued by the Irish Meteorological Office.

Coast Guard helicopters

The Irish Coast Guard has contracted five medium-lift Sikorsky Search and Rescue helicopters deployed at bases in Dublin, Waterford, Shannon and Sligo.

The helicopters are designated wheels up from initial notification in 15 minutes during daylight hours and 45 minutes at night. One aircraft is fitted and its crew trained for under slung cargo operations up to 3000kgs and is available on short notice based at Waterford.

These aircraft respond to emergencies at sea, inland waterways, offshore islands and mountains of Ireland (32 counties).

They can also be used for assistance in flooding, major inland emergencies, intra-hospital transfers, pollution, and aerial surveillance during daylight hours, lifting and passenger operations and other operations as authorised by the Coast Guard within appropriate regulations.

The Coast Guard can contract specialised aerial surveillance or dispersant spraying aircraft at short notice internationally.

Helicopter tasks include:

  • the location of marine and aviation incident survivors by homing onto aviation and marine radio distress transmissions, by guidance from other agencies, and by visual, electronic and electro-optical search
  • the evacuation of survivors from the sea, and medical evacuees from all manner of vessels including high-sided passenger and cargo vessels and from the islands
  • the evacuation of personnel from ships facing potential disaster
  • search and or rescue in mountainous areas, caves, rivers, lakes and waterways
  • the transport of offshore fire-fighters (MFRTs) or ambulance teams (MARTs) and their equipment following a request for assistance
  • the provision of safety cover for other search and rescue units including other Marine Emergency Service helicopters
  • pollution, casualty and salvage inspections and surveillance and the transport of associated personnel and equipment
  • inter-agency training in all relevant aspects of the primary role
  • onshore emergency medical service, including evacuation and air ambulance tasks
  • relief of the islands and of areas suffering from flooding or deep snow

The secondary roles of the helicopter are:

  • the exercise of the primary search, rescue and evacuation roles in adjacent search and rescue regions
  • assistance to onshore emergency services, such as in the evacuation of high-rise buildings
  • public safety awareness displays and demonstrations
  • providing helicopter expertise for seminars and training courses

The Irish Coast Guard provides aeronautical assets for search and rescue in the mountains of Ireland. Requests for Irish Coast Guard assets are made to the Marine Rescue Centres.

Requests are accepted from An Garda Síochána and nominated persons in Mountain Rescue Teams.

Information courtesy of Department of Transport, Tourism and Sport (July 2019)

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