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The Courthouse, Cork
Tidal flood problems prevented
The present Cork Courthouse was built in 1895 and stands on the site of the original 1836 Courthouse designed by George Richard Pain and his brother James which was destroyed by fire in 1891. A competition was subsequently instigated by the Corporation of Cork and the Commissioners, in which there was a condition requiring the preservation of the portico and façade on Washington Street, which was all that remained intact after the fire. The winning scheme designed by W. H. Hill Architect was completed in 1895. 

Until this contract started on site in April 2003, the building had remained largely unaltered.

Wykamol and a contractor from Dublin were involved with a project to waterproof the ground floor and basements.
In all 3000 metres of Wykamol cavity drain membranes were used on the ground floor areas coupled with 13 super sump systems incorporating 26 pumps and battery back up systems, making this a challenging project.
This was a technically difficult job on the Grade 1 Listed structure which is one of Cork's most important buildings.

Steps had to be taken to ensure protection from the occasional floods that strike the city. The whole basement areas had to be made secure from the tidal floods that have reached an all time high water mark of 2.9 metres.  Wykamol membranes were used to a height of 3.1 metres high, coupled with channels and sump pumps and a new structural slab was also installed by the main contractors.

A final sign off was completed where all the pump systems were checked vigorously to ensure the building would be protected in the future.

The ground floor and sub floor areas are now being used for holding prisoners as five cells have been incorporated as well as an underpass where prisoners are taken through to the court area.
This case study has been submitted by a member and the British Structural Waterproofing Association accepts no responsibility for its content. 

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