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Displaying items by tag: Seabedmapping

Amongst the festival tallships lining Waterford quays, the RV Keary, a marine research survey vessel that mapped the estuary in advance of the tall ships arrival, will too be open to the public, writes Jehan Ashmore.
Work to map the navigational channel of Waterford Harbour's estuary was completed last month by the catamaran hulled craft that belongs to the Geological Survey of Ireland (GSI). Her smaller fleetmate the 7.5m RIB RV Geo carried-out work in the shallower areas along the river banks. For images of the seabed survey click HERE. The survey which had started in April was a joint research programme between (GSI) and the Marine Institute (MI).

This was the RV Keary's first INFOMAR survey leg of 2011 and it was also the first time that both vessels have worked in tandem. The mapping of the estuary was from an area just west of the city's Rice Bridge to the open sea at the mouth of Waterford Harbour.

The estuary was mapped before in 2007 using the Marine Institutes larger vessel the RV Celtic Voyager, which covered the harbour approaches from the 10m contour to greater depth offshore. Both RV Keary and RV Geo overlapped their coverage with this previous data, producing a comprehensive and seamless seabed map of the area.

RV Keary is constructed of marine grade aluminium and was custom built in 2008 for the (GSI) by Veecraft Marine of Capetown, South Africa.
The 15m craft with a draft of just 2m is equipped with an extensive range of highly sophisticated technology. She has an open working area at the aft-deck to conduct operations and is licensed to carry up to 12 personnel. For further vessel characteristics click HERE.

The 34-tonne craft made her 7,000 mile delivery voyage from the African continent to Europe. She was firstly transported on the deck of a cargoship to Rotterdam. After unloading at the Dutch port the 22-knot capable craft set off with several calls along the UK south coast to include loading bunkers before finally reaching Dun Laoghaire, from where she entered service in April 2009.

Published in Marine Science

Every Year Ireland's Search & Rescue Services deliver emergency life saving work on our seas, lakes and rivers.

Ireland's Water Safety Agencies work hard to provide us with the information we need to keep safe, while enjoying all manner of water based activities.

There's no better fun than getting out on the water but being afloat is a responsibility we all need to take seriously.

These pages detail the work of the rescue agencies. We also aim to promote safety standards among pleasure boaters, and by doing so, prevent, as far as possible, the loss of life at sea and on inland waters. If you have ideas for our pages we'd love to hear from you. Please email us at [email protected]

Think Before You Sink - Wear a Lifejacket

Accidents can happen fast on water and there may not be time to reach for a lifejacket in an emergency therefore don't just carry a lifejacket - wear it; if it's not on you, it can't save your life.

Irish Water Safety's Safe Boating Alert:

Check condition of boat and equipment, hull, engine, fuel, tools, torch.

Check the weather forecast for the area.

Check locally concerning dangerous currents and strong tides.

Do not drink alcohol while setting out or during your trip.

Carry an alternative means of propulsion e.g. sails and oars or motor and oars.

Carry a first aid kit on board and distress signals (at least two parachute distress rockets, two red hand flares).

Carry a fire extinguisher, a hand bailer or bucket with lanyard and an anchor with rope attached.

Carry marine radio or some means of communication with shore.

Do not overload the boat - this will make it unstable.

Do not set out unless accompanied by an experienced person.

Leave details of your planned trip with someone ashore - including departure and arrival times, description of boat, names of persons on board, etc.

Wear a Lifejacket at all times.

Keep an eye on the weather - seek shelter in good time.

In Marine Emergencies, call 999 or 112 and ask for Marine Rescue.

Lifejackets Checklist

Ensure Cartridges have not been punctured and are secured firmly.

Ensure all zips, buckles, fasteners and webbing straps are functioning correctly and adjusted to fit the user.

Check that fitted lights are operating correctly.

Ensure that Automatic Inflation devices are fully serviced and in date.

Check that the valve or lifejacket is not leaking.