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published: 20/11/2003
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Using recycled and secondary aggregates

A new project aims to show that recycled and secondary aggregates can perform as well as, and sometimes better than, primary aggregates when used in construction.

This BRE project, funded through the DTI/WRAP* Aggregates Research Programme, will present the necessary know-how to successfully use recycled and secondary aggregates in practical applications. It follows an earlier DTI/WRAP study that showed many clients lack the knowledge required to influence decisions on using these aggregates in construction projects.

Up to six best practice exemplar case studies reflecting a range of applications, products and processes for recycled and secondary aggregates, will be used to help clients - and the wider construction community - to specify these materials. They will identify the performance impacts of using various recycled and secondary aggregates (highlighting national and European standards) in applications across differing construction project types, from roads to buildings to landscaping.

Ultimately, the project will contribute to the Government's national targets for the use of recycled and secondary aggregates, rising from 40 million tonnes in 2001, to 55 million tonnes by 2006.  This target equates to an increase in use of three million tonnes per year between now and 2006.

The case studies will also be included on the AggRegain web site - the sustainable aggregates information service from WRAP (www.aggregain.org.uk). The AggRegain site already includes over 50 case studies that demonstrate the parity of performance and the potential cost benefits of using recycled and secondary aggregates.

BRE would welcome any ideas and offers of case studies. Anyone aware of construction projects that are using recycled and secondary aggregates, or wanting more information on the project, should contact:

Katherine Adams - Tel: 01923 664478, E-mail: adamsk@bre.co.uk, or

Andrew Dunster - Tel: 01923 664365, E-mail: dunstera@bre.co.uk

Notes for editors

*WRAP (the Waste and Resources Action Programme) is a not-for-profit company supported by funding from DEFRA, the DTI and the devolved administrations of Scotland, Wales and Northern Ireland. It is working to promote sustainable waste management by creating stable and efficient markets for recycled materials and products.

The WRAP Aggregates Programme aims to reduce the demand for primary aggregates through the greater use of recycled and secondary aggregates by addressing barriers to increased use. For more information please visit www.wrap.org.uk

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