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Tesco demand further investigations into Gerrards Cross

Supermarket giant Tesco has still to submit revised plans for its troubled Gerrards Cross store to Network Rail for approval almost three months after its contractor Costain concluded its review of the project.
It has now requested contractor Costain carry out further investigations on the ground conditions at the site.In a statement posted at the site it said: 'As part of the ongoing investigation into the Gerrards Cross tunnel collapse, Costain is required require to carry out further geotechnical investigations within the bounds of the Gerrards Cross construction site. This is to confirm the engineering properties of the fill material under the store.'This investigation will take 11 weeks.The project has been in limbo since June last year after a major rail accident was narrowly avoided when a 30m section of new tunnel collapsed onto the live railway line (NCE 7 July 2005).At the time contractor Jackson was creating a 320m length of tunnel over the railway. The aim was to build up the ground over the tunnel to create the site for the supermarket.Costain replaced Jackson on the job in March.Network Rail confirmed that it had yet to receive plans from Tesco for work to recommence, and that it would be scrutinising them carefully when it

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