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Case study: Heritage building relevelled by Uretek

Supplier: Mainmark
20 May, 2010

Uretek has relevelled a famous heritage building, St Clair, Goulburn's Historical Museum.

St Clair, one of Goulburn's oldest homesteads, was in a sorry state.

This large 1800s heritage house on brick wall footings had sunk into the ground. The second storey section at the back was on pillars over the courtyard and those pillars had really lost ground support, sinking out of level and causing extensive interior wall cracking.

The property had passed into the care of Goulburn's Mulwaree Shire Council and was to be made into a presentable historical museum.

Council’s Museums Technical Officer, Nick Ryan, brought in Northrop Engineering who assessed the problems and advised Council to engage Uretek Ground Engineering to lift and relevel the building back to level and stabilise the ground.

Under the careful eye of Uretek's Area Project manager, Dave Cocking, his small team of technical operatives Deep Injected the ground under the footings and pillars with their unique, expanding structural resins.

Success was quick and spectacular: in less than a day the whole structure had been relevelled!

The whole left hand side of the building was raised 15mm and the front right corner 12mm. The pillars were raised 20mm. Happily, in the process most of the wall cracks were closed up making wall surfaces refurbishment straightforward.

And to guard against future problems, the foundation ground under the sunken areas was strengthened by the ground-compacting action of Uretek Deep Injection.

St Clair is now not only a fine museum but also a focal point of community pride.

The upshot was Council's David Raynor, the Facilities Manager, had Northrop and Uretek carry out similar workraising, relevelling and stabilising the whole front façade of The McDermott Centre.

This grand, old 3-storey heritage building on 2 metre deep sandstone footings had also suffered the ravages of time and drought. It used to be the Council Chambers and is now a very popular Council Community Centre.

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