Having achieved 760m (2,500ft) in the first month of its Robbins Main Beam TBM drive, contractor Southland/Mole JV is making good progress on the Jollyville Transmission Main, below Austin, Texas, USA. The 10.5km (6.5-mile) long, 2.1m (84in) o.d. pipeline, which is set to dramatically increase capacity of the city’s main drinking water reservoir, is being driven by three TBMs at depths of up to 107m (350ft) below residential areas and the protected Balcones Canyonlands Preserve.
Three consortia have been short-listed to tender for the multi-billion-dollar tunnelling contract on Sydney’s North West Rail Link. The contract includes the 15.5km long twin tunnels between Bella Vista and Epping. The three consortia that will now be invited to tender for the contract in October are: Read more
Femern A/S has revealed that the tender process for construction of the US$7.2bn, 19km long immersed tube fixed link between Germany and Denmark will kick off officially in early October, when Femern A/S advertises the prequalification via the EU Official Journal. Read more
Five construction companies have been awarded six contracts for Singapore Power’s largest project to date. The S$2bn Transmission Cable Tunnel Project will involve the construction of two 6m i.d. cross-island tunnels totaling 35km at 60m depth, to be built by a combination of drill and blast and TBM. Construction will begin at the end of this year for completion in 2018. The North-South Tunnel stretches 18.5km from Gambas to May Road whilst the East-West Tunnel totals 16.5km from Ayer Rajah to Paya Labar. The successful contractors are: Read more
Mott MacDonald has been appointed by the Samsung-Hsin Chong Joint Venture (SHJV) as contractor’s designer for the MTR Corporation’s Shatin to Central Link (SCL) contract 1109 in Hong Kong. Read more
Twenty one Industry, Research & Development Laboratories and SME partners from nine European countries gathered on Friday, September 14th, at Ecole Centrale de Lyon in Lyon, France, for the launch of the €10 million NeTTUN (New Technologies for Tunnelling and Underground Works) Collaborative R & D Project, funded by the European Commission. Read more
Metrolinx has awarded the first of two major tunnelling contracts for the Eglinton-Scarborough Crosstown LRT, in Toronto, Canada. Crosstown Transit Constructors – comprised of Obayashi Canada, Kenny Construction, Kenaidan Contracting and Technicore Underground – beat six other qualified bidders to build the CA$320 million twin 6.2km tunnel contract, about half the underground portion of the Crosstown light rail line. Read more
Metro de Madrid has submitted the final studies for the construction of the Quito subway, whose initial phase is already open for bidding. The 129 volumes of studies delivered on Monday contain the definitive designs for the 22km (14-mile) tunnel through which the single subway line will run, as well as for 13 of the 15 stations, the power systems and a multitude of other details. Read more
In the shadow of the Port Mann Bridge, work is progressing on the challenging Port Mann Main Water Supply Tunnel, in Vancouver, BC, with the recent completion of the project’s South Shaft. Read more
Crossrail has successfully completed it’s first tunnelling “breakthrough” at the Limmo Peninsular worksite, near Canning Town in East London. The breakthrough took place at the end of August when the eastern tunnels contractor drove the first of two 58m SCL tunnels connecting the main Limmo shaft to the auxiliary shaft.