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Bridge on Wild piled

VAN ELLE recently completed a £50,000 piling contract to support a new bridge at an old Mountnessing scrap yard in Essex.

The bridge consists of a single span 10.5m integral concrete beam to accommodate a 7.3m wide carriageway across the River Wild to a new housing development. Site investigation revealed 1m of overburden overlying rm to stiff clay.

Dif cult site access for the job, won from main contractor Nuttall John Martin, meant Van Elle used a Klemm 709 to install 20, 600mm diameter piles to a 15.5m depth. Each pile has full length reinforcement with a 10xT32 cage together with a 152mm 2 universal column in the top 2m. The piles were designed for a safe working load of 900kN.

As the programme called for a completion within 15 days, using the Klemm rig eliminated the need for a more robust piling platform and also reduced the risk of overloading the embankment close to the river.

Work on the bridge is due to complete this winter.

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