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Gravity Base Design

Royal BAM Group has achieved a Worldwide first having been awarded a contract to design, fabricate and install five full-size gravity base foundations for wind turbines of 41.5MW in capacity off the Northumberland coast.

The contract has been awarded to BAM by EDF Energy Renewables via SPV Blyth Offshore Demonstrator Ltd and utilises leading edge technology, the first of its kind to be built in the World.

The foundation design will utilise ‘self-installing’ technology, which has been developed by two BAM companies, BAM Nuttall Ltd and BAM Infra bv. The design is being undertaken by BAM Infraconsult.

The project itself will be a demonstration project to prove the viability of this approach to installing gravity base foundations in the offshore environment for future wind farms. The project is due for completion during summer 2017.

Commenting on the award, BAM Nuttall’s Head of Civil Engineering Malcolm Corlett stated ‘This is a very significant milestone not just for BAM but for the wider offshore wind sector. An opportunity to demonstrate the potential for self-installing concrete gravity bases to provide economic foundations for large wind turbines in deeper water. Following five years of intensive work refining our design and method of construction we now have a live project to demonstrate our technology and bring new skills and opportunity to the North East of England.’

Notes to Editor

·Five units in total

·Combined concrete and steel structure

·Water depth – 40m.

·Height overall – 60m

·Base Diameter – 30m

·On Bottom weight – 13,000t

BAM has a worldwide reputation for delivering some of the most complex and challenging civil engineering projects and in the UK has delivered several significant schemes that are helping to shape modern Britain. The Royal BAM Group has a diverse range of customers in both public and private sector with an annual turnover of £5.5bnacross all sectors employing over 25,000 people. Within the UK BAM Nuttall delivers significant civil engineering schemes in rail, marine, tunnelling, highways, remediation and water sectors, working with both its UK sister and European group companies to provide a complete service. BAM’s collaborative approach to delivery of challenging multidisciplinary projects includes Network Rail Frameworks, HS1, Crossrail, Borders Rail, London 2012 Olympics and LU Station upgrades.

For further information contact

Peter Bishop, Head of Corporate Communications

Tel 01276 854708

Mobile 07768005664

Email peter.bishop@bamnuttall.co.uk