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Underwater Excavation: Wood Wharf London

Background

The massive Wood Wharf development in Canary Wharf will maximise the space available in the heard of London by reclaiming water filled docks.  This will see high rise building as part of a multi-purpose development which requires extensive piling and foundation works.

Scope of Works

Working with Commercial Marine and Piling (CMP) on the first phase at Bank Street, the company has won the next section of work in the adjacent dock basin for cofferdam construction and infill works.  WM Plant Hire have been involved since the initial phase at Bank Street and experienced challenges first hand.  A working depth of up to 20 metres was required with removal of concrete, timber and brick structures anticipated.

Solution

Using the 100 tonne machine with 26 metre reach was key to achieving the depth and having the power capable of handling the large obstructions.  Similar to phase 1, hydraulic attachments were selected for the machine in conjunction with a dig monitoring system to tackle the obstructions.  The right approach, skilled operators and correct work tool selection again proved critical to the success of the project.  Removal of underwater obstructions was a key milestone to getting the piling works underway and the land reclamation completed using engineered backfill material.

Additional Info

  • Client: Commercial Marine & Piling
  • Duration: Ongoing
  • Location: Wood Wharf, London
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