Articles & Case Studies

Hydrosphere ensures Welsh waters are safe for mariners

Posted: Friday 12th April 2013

To ensure safe navigation for mariners all outfall ends are required to be clearly marked by day and night. A recent survey of Welsh Water’s - Dŵr Cymru’s - Aids to Navigation revealed that many of the navigational aids marking outfalls needed to be upgraded or replaced in order to meet industry standards.

Aids to Navigation specialist, Hydrosphere UK Ltd, carried out a complete mooring study for the work needed and supplied eight Mobilis buoys and moorings to Dŵr Cymru. The buoys and moorings were delivered to Trinity House Buoy Yard Swansea, as Trinity House was contracted by Welsh Water to deploy the buoys.

The buoys supplied by Hydrosphere were:

JET 2500Q Starboard Buoy – deployed at the Kinmel Bay Coventry Camp Sewage Outfall;

JET 2500Q Special Mark Buoy – deployed at the Llandudno West Long Sea Outfall;

3 X JET 2500Q Flat Bottomed Special Mark Buoy with St. Andrews Cross – deployed at three locations; the Llandudno West Short Sea Outfall, the Penmaenmawr Marine Long Sea Outfall, the Criccieth Outfall and the Afonwen Outfall;

BC 1242 Starboard Buoy – deployed at the Beaumaris Llanfaes Outfall;

FB 1242 Starboard Flat Bottom Buoy – deployed at the Conwy Morfa Sewer;

Hydrosphere has since supplied an additional JET2500 Q buoy for an outfall off the coast of Pwllheli.

The Welsh Water outfalls discharge storm, emergency and surface water to the rivers and coastal waters around Wales.




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