Detroit-Windsor Tunnel

History did you know… The magnitude of the Detroit-Windsor Tunnel job is well indicated by the following figures relative to the work performed and the quantities of materials used in the construction of the mile-long tube:

Sliding Rail System | ICON Rail Slide

ICON's Slide Rail system can be utilized on excavations for: Large and small sewer line; Large water mains; Tunnel access pits or shafts; Tank installations

Tunnel - Wikipedia

A major tunnel project must start with a comprehensive investigation of ground conditions by collecting samples from boreholes and by other geophysical techniques. An informed choice can then be made of machinery and methods for excavation and ground support, which will reduce the risk of encountering unforeseen ground conditions.

(NTBM) Nuclear Tunnel Boring Machines – Switzerland Has ...

Trans-Planetary Subway Systems (Rand Corporation PDF)The first section of this page was written by Phil Schneider: Photo of United States Air Force tunnel boring machine at Little Skull

Services - ICON Equipment

ICON equipment has been designing, manufacturing and renting temporary shoring solutions to the underground contractor since 1982. Our turnkey operations and ...

Tunnels and underground excavations - Britannica.com

Tunnels and underground excavations: Tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature's action in dissolving a soluble rock.

Excavation safety | WorkSafe

Guidelines for managing the health and safety risks associated with excavation work

Project Plan | 'Virginia Avenue Tunnel'

The project is current in phase 2 and is entering the third year of construction. The Virginia Avenue Tunnel currently has a single track that accommodates one train at a time.

How tunnel is made - material, history, used, machine ...

A tunnel is an underground or underwater passage that is primarily horizontal. Relatively small-diameter ones carry utility lines or function as pipelines.

Bunker System

This stairway leads down into the tunnel complex beneath the Hotel zum Türken, and on to the Berghof tunnels. This tunnel system was actually merely a connecting tunnel between Bormann's system and Hitler's system.

Otford Tunnel (Tunnel No. 7) - helensburgh.com.au

The Otford Tunnel is the grand tunnel, of all the six disused rail tunnels in the Helensburgh and surrounds area. None of the other five existing tunnels have more written about them than the Otford Tunnel.

Tunnel Update - June 2017 - Tunnel Business Magazine

CALIFORNIA Los Angeles. Crenshaw/LAX / Walsh/Shea Corridor Constructors This $1.278 billion project for the Los Angeles Metropolitan Transportation Authority (Metro), being built by a joint venture of Walsh and Shea, is an 8.5-mile light-rail line that will run between the Expo Line on Exposition Boulevard and the Metro Green Line.

La. DOTD seeks first P3 venture for Belle Chasse Tunnel and ...

La. DOTD seeks first P3 venture for Belle Chasse Tunnel and Bridge replacement

Fort McHenry Tunnel - Roads to the Future

The Fort McHenry Tunnel is the 7,200-foot-long 8-lane tunnel complex that carries Interstate I-95 under Baltimore Harbor, in Baltimore, Maryland.

Tunnel Boring Machines | The Robbins Company

The Best Products for Tough Jobs You won't be alone when you buy a Robbins TBM. If you are planning to tunnel through rock, you want a TBM from a manufacturer who will support you as your partner throughout the project, anywhere in the world.

Chicago Tunnel Company - Wikipedia

The Chicago Tunnel Company built a 2 ft (610 mm) narrow gauge railway freight tunnel network under the downtown of the city of Chicago. This was regulated by the Interstate Commerce Commission as an interurban even though it operated entirely under central Chicago, did not carry passengers, and was entirely underground.

Roadheaders for Tunneling, Excavation, and more | Antraquip ...

Antraquip roadheaders are powerful rock-cutting machines designed to excavate roadways and tunneling, including mining and railroad applications.

Video: Walmart 'Plumbing' Issue Related To DHS Underground ...

There's been much speculation about the recent closures of Walmart stores around the country. Walmart claims the their stores, closed almost simultaneously in different cities, is a result of plumbing issues. But many employees and customers suspect that something else is going on, though no one ...

MTA Capital Construction - Official Site

Environmental Assessment for Second Avenue Subway available for public review; Second Avenue Subway ridership soars; The Second Avenue Subway Community Information Center's Exclusive Exhibits have a NEW home!

Norfolk Dredging for excavation, trench and tunnel excavation ...

Norfolk Dredging Company offers dredge services from excation to hydraulic dredging. Dredging companies for trench and tunnel excavation, backfill, haydraulic landfill, clamshell dredging and more.

Tunnel Update - February 2018 - Tunnel Business Magazine

Three times per year, TBM: Tunnel Business Magazine recaps the status of major tunneling projects underway in the United States and Canada. Below is the Tunnel Update that appeared in the February 2018 issue of the print edition.