Birse Civils has been awarded two contracts by the Environment Agency worth £5.7m.
The two projects are: the £4.6m Brough Flood Alleviation Scheme; and the £1.1m Western Drain Improvements. They form part of the overall £24m Humber Package.
The Brough project will extend the existing flood defences by approximately 2,500m. It will involve the construction of 2,000m of new 3.5m high earth embankments with a 3m wide crest and 1 in 4 side slopes and 500m of steel sheet piles. Improvements will also be made to outfall structures and the installation of a new drainage system adjacent to the embankment.
The Western Drain project involves the construction of a large balancing pond capable of containing 36,100 cu m of surface water and will include a control structure and reinforced grass inflow weir. Landscaping measures will complete the works.
Since the award of the Humber Package, Birse Civils has been carrying out ECI and working closely with the Environment Agency and the project team to develop the proposals. This collaborative working identified the potential to utilise excavated material from the Western Drain project on the Brough scheme. As well as avoiding disposal through sustainable re-use, it also gave the Environment Agency the opportunity to reduce procurement costs by bringing another scheme into the existing package.
Team working achieved planning permission for both schemes this summer, enabling them to move forward to the construction stage. Following submission and acceptance of the target costs, the Environment Agency has been able to award both contracts together. Work starts this month and is due to be completed in February 2011.
Employers agent is Jacobs; consulting engineers, Halcrow and CDMC, Callsafe Services; and Birse Civils is main contractor.
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