SCOUR PREVENTION
FEATURE SPONSOR
THE IMPACT OF SEABED SCOUR
Seabed Scour Control Systems Ltd (SSCS) is acknowledged as the World Leader in the provision of Frond Scour Protection Systems for the global Oil & Gas and Renewable Energy Industries
The company was established in the early 1980’s to meet the demand from the Offshore Oil & Gas Industry to address the impact of seabed scour on platforms, pipelines and similar subsea structures installed initially in the UK North Sea.
GLOBAL EXPANSION
SSCS has since extended its marketing area of operations worldwide and from its headquarters in Great Yarmouth is meeting customer requirements in the Far East, Middle East, the USA and China and now also supplies the field proven Frond Mat system into additional markets including offshore wind.
Recent projects utilising the Frond Mats include ongoing works in China
for SINOPEC and CNPC, as well as their current involvement with the development of the East Anglia One offshore windfarm found much closer to home.
TESTING
ScottishPower Renewables is testing the suitability of the Frond Mats for use around the jacket foundations on the turbines at its 102-turbine East Anglia ONE windfarm. They are being tested at different scales, including using small- scale replica models that were produced and supplied by SSCS at the HR Wallingford testing facility in Oxfordshire.
The technology mimics seaweed and sea grasses by slowing down the flow of water at the base of the turbine. This
Currently developers often use small rocks and boulders to perform this task which provide temporary protection, but these frond mats providing a permanent solution could make the process more accurate and reduce costs, whilst reducing the footprint of the protection on the seabed and significantly reducing/eliminating any negative environmental impact associated with other methods of protection.
Increasing efficiency and reducing costs Charlie Jordan, Project Director of East Anglia ONE commented: “We are keen to invest in technologies that have the potential to increase efficiency at the same time as reducing costs.
“Turbines need to be protected in a harsh marine environment and although it is early days for frond mats, we are encouraged by what we have seen so far.”
SSCS LIFTING
The company is approved to DNV 2.7-1 for the manufacture of lifting sling assemblies for offshore containers as well as being full members of the LEEA (Lifting Equipment Engineers Association).
Testing and certification work is supported by a fully computerised certification management system,
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www.windenergynetwork.co.uk
protects against damage from scour, which is the transport of sediment (sand in this instance) in the sea around the structure which can cause holes in the seabed and weaken the turbine’s foundations.
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