Tag: tunnel boring machine

Mill Creek Tunnel Excavation Complete

RICHARDSON, Texas — The Mill Creek/Peaks Branch/State Thomas Drainage Relief Tunnel (Mill Creek Tunnel) reached an important milestone on Monday, July 25, when the tunnel...


Together with our client Nishimatsu Construction Co., Ltd, COWI is designing Singapore’s new metro. This is a significant win that cements COWI's position in...

New Hudson River water tunnel construction reaches halfway mark

The New York City Department of Environmental Protection (DEP) announced that tunneling for the Delaware Aqueduct Bypass Tunnel reached the halfway point as workers 600 feet underground continued to drive eastward toward the Hudson River.

VDOT selects bored-tunnel method for Hampton Roads Bridge-Tunnel

The Virginia Department of Transportation (VDOT) announced the Hampton Roads Bridge-Tunnel (HRBT) Expansion Project will move forward with the bored-tunnel construction method to deliver the next connection across the Hampton Roads harbor.

DC Water begins last leg of Anacostia River Tunnel System

The District of Columbia Water and Sewer Authority (DC Water) named and blessed the tunnel boring machine that will mine the final segment to complete the Anacostia River Tunnel System. This will make a much healthier Anacostia River by reducing combined sewer overflows (CSOs) by 98 percent and significantly reducing flooding in northeast DC.

NYC DEP starts $1 billion tunneling project to repair Delaware Aqueduct

In early September, the New York City Department of Environmental Protection (DEP) began tunneling for the Delaware Aqueduct Bypass Tunnel — the largest repair project in the 175-year history of New York City’s drinking water supply.

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