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Precast Concrete Ground Beams
Foundations for Lightfoot Lane’s Care Home in Preston

Aarsleff were contracted to design and supply the piling and foundations for a two storey nursing home on a former car park at the Grasshoppers RFC site at Lightfoot Lane, Preston, on behalf of main contractor Dynamic Building Solutions. The foundation system comprised precast concrete driven piles to a depth of approximately 12.0m and 1200 linear metres of precast concrete ground beams. Aarsleff were also asked to install the piles for the foundation base for a tower crane that was to be erected to complete the superstructure build.

The plan layout of the building was quite complex. Roughly square in shape with an attached plantroom wing, built around a central courtyard, the significant amount of internal loadbearing walls in different positions to each other coupled with staggered wall junctions and a lift shaft gave the building it’s complexity. Another fact that added to the complexity of the design was that all pile loads were not to exceed 400kN.

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