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Niagara tunnel project, Canada Scheduled for completion next year, Ontario Power Generation's Niagara tunnel project includes the construction of a 10.2km long, 12.7m internal diameter tunnel and associated facilities which [...]

Sadly for the tunnelling industry, the Supercollider project has been abandoned following withdrawal of funding by the United States Government. The project was developed and managed for the US Department [...]

As be paced the platform, A waiting for the Washington express, he remembered that there were people who thought there would one day be a tunnel under the Hudson through [...]

It may not look much like a school, but Boston's Central Artery/Tunnel (CA/T) Project -- the Big Dig -- is providing plenty of lessons for transportation planners and engineers from [...]

At Gamsen, Switzerland a 950 m-long motorway tunnel, including 250 m cut and cover, was awarded to the Wadeg consortium of local contractors. At Marseilles in southern France, a $20 [...]

In Hong Kong, China, four options are under consideration for the $2 billion next stage of the Deep Tunnel Sewerage Syatem include a tunnel between North Point and Central which [...]

Outside Bremen, Germany, the north tube of the Weser tunnel got underway on 26th February, 2001 following three months TBM recommissioning. The Herrenknecht machine was officially relaunched by Niedersachsen's tunnel [...]

At Zurich, in Switzerland a second underground station with four tracks is to be built beneath the central railway station, with a 4.8 km-long single-tube tunnel connection to Oerlikon in [...]

Tenders for Barcelona metro are expected in November, 2000. A 36.8 km-long, 9 in-diameter, twin-track, single-tube system with 37 stations is to be constructed as four sections, starring end-2001 and [...]

FCC reports its involvement in the construction of the 11.6 km Caravia to Llovio stretch of the Autovia del Cantabrico dual carriageway in Spain with three tunnels of total length [...]

Union Railways, builders of the CTRL rail link from London, England to the Folkestone portal of the Channel Tunnel has released prequalification invitations for the manufacture of precast concrete segments [...]

In Brazil, prequalification bids have been invited by the end of May 2000 for construction of the 13.5-km underground section of Line 4 of the Sao Paulo Metro. The project [...]

The Vereina Tunnel in Klosters officially opened before Christmas. The world's longest narrow gauge tunnel running 19.1 km, the tunnel in Canton Graubunden took eight-and-a-half years to complete at a [...]

Robin B. Dill [1] Daniel J. Dobbels [1] Geoffrey A. Hughes [2] The Narragansett Bay Commission (NBC) completed a Combined Sewer Overflow (CSO) Facilities Plan in 1993. This initial study [...]

Alaska WHITTIER ACCESS Kiewit Construction With the coming of summer, work on the sire starred full bore. The Portage access tunnel heat control work started with the installation of rock [...]

Mouchel of West Byfleet, Surrey, England reports that construction work has started on the Kohat Tunnel and Access Roads component of the Indus Highway, one of the main obstacles to [...]

The Bologna-Firenze high speed rail link is without doubt, in terms of scale, complexity and commitment of funds and human resources an undertaking of worldwide significance. The railway is under [...]

It is no secret that the ground conditions in the Gulf are among the most aggressive in the world. Salinity of the ground water is around four times that of [...]

SA Healy Co. Inc. The Fermi Lab' Project includes excavation of a 4,000lf tunnel in conjunction with underground halls and structures. Excavation will house new Department of Energy Linear Particle [...]

French contractor Vinci has been awarded a [euro]280 million contract to construct a 4km tunnel for the new Hong Kong Shatin to Central Link (SCL) mass transit line. The contract [...]

The Genius pedestrian tunnel, designed, patented, and manufactured by Italian company Big Astor srl, will be shown at APEX. It has been designed for pedestrian safety where overhead work is [...]

Contract 2A Engineer: Camp Dresser & McKee Project includes construction of approximately 16,000lft of 20ft diameter CSO tunnel; 9 drop shafts; 8 diversion structures; 9 air recirculation shafts and deaeration [...]

Obayashi/Modern Continental The joint venture has placed 9000lft of lining of the 25,200lft required to date. Concreting with 240ft of telescopic full circle forms supplied by an on site batch [...]

Shea/Traylor/Healy J/V Shea-Traylor-Healy JV has completed 42,000lft of tunnel concrete lining with approximately 20,000lft left to completion, as of August 22, 2001. Dynatec is currently setting up to raise bore [...]

The $37,257,000 project for the American Water Works Service Company will furnish a new Lake Michigan Intake Tunnel and Pump Station. The 15,800 ft of tunnel will be mined in [...]

Jay Dee/Traylor J.V The excavation of the drop shaft deaeration chamber is well underway with crews blasting the top heading and first bench, each 20ft high by 36ft wide, and [...]

Spain, Malaga -- Flood Relief. Ayesa-Narval jv appointed for the design of the 5.5km tunnel between Guadalmedina and La Vinuela Dam for €1 million, EIS contract awarded to Interlab. Iberinsa [...]

Styria, Austria -- Highway -- 11.4km-long, $120 million section of S35 motorway between Lueckenschluss Stausee and Roethelstein will include three tunnels: 1.1km-long second tube of Kaltenbach; 2.8km-long Kirchdorf; and 725m-long [...]

Melamchi, Nepal -- Water Supply -- Contractor prequalification expected September, 2001 for 27km-long tunnel to be let in two contracts by Melamchi Water Development Board as part of $400 million [...]

Algiers, Algeria -- Metro -- Tenders expected 2002 for 10km-long underground sector of $600 million, 12.5km line 1 no run NW-SE. 5.2km in NW will be single-tube, 64sq m finished [...]

Moutier, Switzerland -- Highway -- Award of $50 million TBM construction contract for twin 1.2km-long, 10.2m-diameter tubes to consortium led by Mart AG for completion [...]

La Linea, Colombia -- Highway -- Andean Development Fund will provide $100 million towards cost of scheme for 8.6km-long tunnel currently open to BOT [...]

BOSTON -- The Central Artery/Third Harbor Tunnel project in Boston could wind up costing almost $10 billion because of inflation, according to a report from state transportation officials. State leaders [...]