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Support for dairy industry

PENNINE VIBROPILING has carried out a ground improvement and piling contract for the extension to Muller Dairy Group's production facility at Market Drayton.

The £100,000 contract involved installing 1700 stone columns to between 3m and 6m to support bearing pressures of 200kN/m 2and limit long-term settlement to 25mm in the 3750m 2extension.

Many of the foundation slabs were over 40m 2but the density of the underlying sandy soils were significantly improved to meet loading requirements.

The firm also installed 27, 750mm diameter, 16.5m deep CFA piles around the perimeter of the site to support production storage tanks. Each must be able to withstand a load of 2750kN.

Work was carried out in only five weeks. The programme was demanding as most of the work was carried out in a cutting or next to the factory and any disruption to production had to be avoided.

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