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Product category: Ground Engineering
News Release from: Aarsleff Piling | Subject: Contract to install the foundation piling
Edited by the Buildingtalk Editorial Team on 15 February 2006

AARSLEFF scores at Doncaster stadium

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Aarsleff Piling has scored at the new stadium in Doncaster beating the competition to win the contract to install the foundation piling for the new arena.

The specialist driven piling contractor Aarsleff Piling has scored at the new stadium in Doncaster, Yorkshire and beaten the competition to win the contract to install the foundation piling for the new arena Aarsleff won the piling work to supply, handle, pitch and drive over 900 precast concrete piles to support the stands of the main 15,000 seat multi-purpose stadium and mini stand for the athletics track, which form part of the new Doncaster Lakeside Sports Complex

Doncaster Metropolitan Borough Council is developing the restored former landfill site, and together with the main stadium and athletics track, the complex will include a third full size multi-purpose grass pitch, a 7 aside and four 5 aside synthetic pitches, a landscaped amphitheatre and car parking.

When complete at the end of 2006 Doncaster Rovers Football Club, Doncaster Lakers Rugby League Club and Doncaster Belles Ladies Football Club will share the main stadium and associated facilities.

The other amenities will be available for use by the local community.

Consulting engineer WSP and architects ACP produced an initial conceptual design of the complex for client Doncaster Metropolitan Borough Council.

The ownership of this design was subsequently taken over by main contractor Mowlem plc as part of its £28.5 M design and build contract.

Mowlem retained ACP and WSP, which, in its original design, based the foundation support for the stadium and stand for the athletics track on continuous flight auger, cast insitu concrete bored piles, rock socketed into the underlying sandstone.

At tender stage a precast concrete driven pile alternative was proposed and subsequently accepted by WSP subject to the pile design meeting with WSP's design requirements.

Aarsleff through their in house design team and insitu testing were able to demonstrate that precast driven piles were indeed a suitable alternative to CFA.

Aarsleff's supply, handle, pitch, drive and testing contract involved installing 902 continuously reinforced precast concrete piles of 250 mm square section.

These have been manufactured under strict quality controlled factory conditions by Aarsleff's wholly owned subsidiary Centrum Pile at its modern, purpose built facility at Newark, Nottinghamshire.

Aarsleff is using two of its own Banut 500 self erecting, fixed leader hydraulic piling rigs at Doncaster.

Each is equipped with a 5t drop hammer to install the 6 m, 7 m and 8 m long piles through 3m of fill overlying sand to toe and found into the underlying sandstone bedrock.

The piles are driven to refusal and have been designed to accommodate a compressive working load of 600kN.

Independent pile testing contractor Precision Monitoring and Control follows on to complete dynamic and static testing and verify capacity of the driven piles.

Mowlem started on the Doncaster Lakeside Sports Complex in October 2005 and is scheduled to complete its design and build project in December 2006, with the first match in the main stadium to follow shortly after.

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