tunnel – Page 5 – GeoPrac.net

Drilling Expected to Start in Miami Port Tunnel Project

November 9, 2011 rockman Comments Off

The Port of Miami mega project is celebrating a significant milestone today. A massive 41-foot diameter tunnel boring machine will start excavating the first of the twin tunnels that will connect the Port of Miami […]

The 23km-long North West Rail Link will feature at least six new stations, at Cherrybrook, Castle Hill, Hills Centre, Norwest, Kellyville and Rouse Hill.

Geotechnical work begins on Sydney’s $2.5B North West Rail Link

September 26, 2011 rockman Comments Off

Geotechnical drilling has commenced for a massive Australian rail that will consist of Australia’s longest rail tunnel at 15.5km between Epping and Kellyville. The overall route will be 23km long. The investigations consist of 150 […]

Seattle tunnel will go under 158 buildings

August 22, 2011 rockman Comments Off

The tunnel replacing the Alaskan Way Viaduct (SR-99) will pass beneath 158 existing structures requiring an extensive program of vibration and settlement monitoring as well as some remediation. Of the 158 buildings, WSDOT identified 20 […]

Access shaft for the Singapore petrol caverns

Singapore digs deep to be petro hub

August 15, 2011 rockman Comments Off

On the island nation of Singapore land is at a premium, so a planned petrochemical storage facility is being constructed 150 meters under the sea floor. The article does not give the total underground storage […]

Seattle skyline with aging SR 99, Alaskan Way Viaduct in the foreground

TBM Supplier Selected for Seattle’s Alaskan Way Viaduct Replacement Tunnel

July 22, 2011 rockman Comments Off

Hitachi Zosen Corporation has been selected by Seattle Tunnel Partners, WSDOT’s joint venture constructing the SR 99 bored tunnel. Hitachi Zosen was the best value manufacturer based on overall technical requirements, support capabilities, price and […]

Devil’s Slide tunnels delayed

July 19, 2011 rockman Comments Off

The Devil’s Slide Tunnels that bypass a landslide prone stretch of California coast will not open until late 2012, a full year later than anticipated according to Caltrans. The tunnels broke through back in October, […]

Crews assembling TBM for first ever tunnel under San Francisco Bay

June 29, 2011 rockman Comments Off

What about the BART you may be wondering. Well, the Bart is not really a tunnel but a precast tube that was sunk and rests on the bottom of the bay. This water supply tunnel […]

Tunneling Starts in Toronto Subway Improvements with 1st of 4 TBMs

June 26, 2011 rockman Comments Off

The Toronto Transit Commission is starting a $2.6 Billion project to connect the City of Toronto with the municipality of York. This Toronto-York Spadina Subway Extension Project (TYSSE) consists of an 8.2 km extension of […]

Sinkhole in a Beijing Street on April 26, 2011 - possibly resulting from tunneling ground loss from Beijing subway construction

Tunneling ground loss sinkhole opens in Beijing street, swallows truck

June 6, 2011 rockman Comments Off

On April 26, a sinkhole opened up in a busy Beijing street in China’s capital city, swallowing up a truck. According to news reports, the driver and passenger jumped out of the vehicle before it […]

A welder attaches protective shields to one of the two 21-foot-diameter tunnel-boring machines at the north end of the project near Husky Stadium. The entrance to the northbound tunnel is at upper right.

Tunnel boring to begin on light-rail link in Seattle

May 20, 2011 rockman Comments Off

This week, Seattle’s Sound Transit will start drilling a $2 billion, three-mile light-rail tunnel to connect the University of Washington, Capitol Hill and Westlake Center. The first TBM will be christened today near UW’s Husky […]