Procurement and use of sustainable concrete on the Olympic Park

This case study provides an overview of sustainable concrete on the Olympic Park, including:

– the process of procuring sustainable concrete and engaging the supply chain to use it;
– the barriers faced when driving the delivery of sustainable concrete and the strategies to overcome them;
– key outcomes and achievements; and
– recommendations for future projects.

It covers both the use of ready-mix concrete and precast concrete.

The ODA worked with the concrete supplier and engaged with the supply chain to develop sustainable concrete mixes. This resulted in the use of approximately 170,000 tonnes (almost 22 per cent) of recycled and secondary aggregate, a saving of approximately 30,000 tonnes (24 per cent) of embodied carbon and elimination of over 70,000 road vehicle movements.
Rationalisation and efficiency of design reduced concrete demand by 65,000 cubic metres, saving a further 120,000 tonnes of aggregate and 20,000 tonnes of embodied carbon.

Go to resource

ODA, London 2012, embodied carbon, How2EmbC, Olympics, sustainable concrete

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Monday, 29th April 2013

Ben Hopkins, Bennetts Associates

The unique nature of the Olympics site would imply that this may not be that applicable, but the document addresses this and is critical where needed, setting out a number of the issues with cement replacement and other strategies. Particularly interesting is the comparison between pre-cast and ready-mix.

Hopefully the larger industry issues tackled within this document will also have filtered through the supply chain making some of the practices more viable for smaller projects where the client could not have as much control. In the meantime designers and contractors should be able to take something away from this document regardless of the scale of their work.


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