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Keeping it cool

Specialist design and engineering group Bierrum will apply leading edge materials to the £1.7M West Burton Power Station cooling tower repair project. The cooling tower has vertical cracking and shape distortion, leaving it in need of imminent repair to arrest further deterioration.

The repairs will be carried out in four stages, but it is the application of resin-bonded Aramid Fabric Bands onto the inner face of the existing tower that is of most interest.

The high impact material, used in bullet proof vests, has only recently been approved for use by major civil engineering customers. Fabric bands give tensile strength to the existing concrete without adding significant weight.

Remaining work involves installing a piled capping beam around the tower's perimeter to retain existing foundations, forming six stiffening beams around the exterior, and injecting existing cracks with resin.

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