New Extensions to Factory in Norwich

Location: Norwich
Service: Reinforced concrete
Technique: Ground beams
Depth: 20 metres

The Problem

A proposed extension to a glass factory in Norwich was required to be constructed on piled foundations due to the presence of varying depths of fill below the proposed site.

We were tasked with providing the most economical solution for constructing the piled foundations. The final scheme consisted of suspended reinforced concrete slab over reinforced concrete ground beams supported on piles.

The Solution

Due to the nature of the fill and underlying soils, which consisted of Norwich Craig, where present, overlying chalk, the original proposal was to install 350mm diameter CFA piles to depths in excess of 20m using a 40Tonne piling rig to support the new structure. This suited the programme as installation time for the piles was 1 week.

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“I would like to extend my thanks to yourselves and your site foreman, Alan. He did an excellent job and was pleasant and helpful throughout.“

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