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Displaying items by tag: Rock Berms

#MARINE WARNING - As wind farm projects expand around the coasts of the UK and Ireland, the Royal Yachting Association (RYA) has raised concerns about an unexpected hazard for boaters navigating near such installations.

Taking the London Array and Kentish Flats wind farm areas in South East England as a case study, the RYA explains how rock placements, or rock berms, have been put in place to protect the power cables from these arrays at the points where they cross in shallow water.

The RYA warns that as cable crossing become more likely and more frequent, as offshore energy projects expand around the coastline, the potential for accidents is greatly increased.

"It is this cable protection that in shallow waters can reduce underwater clearance and therefore pose a risk to navigational safety," said the RYA.

Referring to the London Array and Kentish Flats specifically, the association said it "was not aware that the cables would have rock protection until we received a notice.

"It would seem that the Marine Management Organisation, Trinity House and the Maritime and Coastguard Agency were also unaware that the developers were placing a rock berm in [the[ area and are investigating how all this happened 'sight unseen' - particularly as it seemed that the original London Array Limited applications had stated that the cables would be trenched."

The RYA has more on the story HERE.

Published in Marine Warning

About the ILCA/Laser Dinghy

The ILCA, formerly known as the Laser, is the most produced boat in the world, with 220,000 units built since 1971.

It's easy to see why the single-handed dinghy has won the title of the most widely distributed boat of all time.

The Laser is a one-design dinghy, the hulls being identical but three rigs that can be used according to the size and weight of the sailor.

The class is international, with sailors from 120 countries. The boat has also been an Olympic class since 1996, being both the men's and women's singlehanded dinghy.

Three rigs are recognised by the International Laser Class Association (ILCA):

  • ILCA 4: sail of 4.70m2
  • ILCA 6: sail of 5.76 m2
  • ILCA 7: sail of 7.06 m2

At A Glance – Laser Dinghy Specifications

Designer Bruce Kirby & Ian Bruce

Year 1969

Crew 1
Draft 0.787 m (2 ft 7.0 in)
Hull weight 58.97 kg (130.0 lb)
LOA 4.2 m (13 ft 9 in)
LWL 3.81 m (12 ft 6 in)
Beam 1.39 m (4 ft 7 in)
Mainsail area 7.06 m2 (76.0 sq ft)

Racing D-PN 91.1 RYA PN 1088 PHRF 217

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