Major breakthrough!! The Farnworth Tunnel re-boring! Steady Away! Northwest Electrification works hit a significant milestone with Britain’s biggest active tunnel boring machine (TBM) complete with Gnat UK’s adapted Brokk 330, ‘Fillie’, the 9meter diameter Tunnel Boring Machine (TBM) broke through Farnworth Tunnel. “We were proud to assist Murphy Tunnelling on such a prestigious and demanding project. Utilising one of our Brokk 330 machines, we had to separate the undercarri

This project involved the conversion of a Grade I listed building in the centre of London, housing a former Bank of England holding vault in the basement. The deconstruction and removal of the heavily reinforced vault posed particular constraints on the work - The walls and roof of the building were built during the 16th and 17th centuries, and the concrete walls and ceilings of the vault were added much later and were tied into the existing structure in the majority of areas