Tunnelling Solutions completed a construct only subcontract for Construction of 67m long pedestrian link tunnel connecting the new North and South Towers of the Sydney Metro Martin Place Station Development.  Our Scope was to deliver excavation, primary support (shotcrete/steel sets) and a permanent concrete lining (including waterproofing).

This was a high risk project under the heritage listed building of 50 Martin Place.  Excavation included removing the building’s MCB’s (Mass concrete backfill footings) followed by installation of some of the biggest steel sets currently in use in Australia.