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Saving HMS Alliance Update - Piling Completed

Written by Bill Sainsbury on Tuesday, 22 November 2011. Posted in Blog

Piling work completed

Contractors Dean & Dyball piling

Vibro piling work has just been completed, 4 days ahead of schedule. Work has now started on preparing the inside of the cofferdam for backfilling with a lightweight granular aggregate. Works over the next few weeks include trimming of the sheet piles to design finished level, insertion of a reinforcing capping beam and tie bars, as well as pouring of the aggregate infill.


Two raised sheet piles in the vicinity of the bow of Alliance have been left in order ensure that an equilibrium is maintained between the water pressure on the inside and the outside of the cofferdam. Once the tie bars are in place these remaining piles can be redriven into place.   


We have now raised £6.19m and now have £420,000 left to go.  Fundraising carries on in earnest.  

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About the Author

Bill Sainsbury

Bill is the Marketing, PR & Events Manager at the Royal Navy Submarine Museum

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