Online ExclusivesUnderneath DC's Clean Rivers Project

Underneath DC's Clean Rivers Project

DC Water has three tunnel boring machines deployed on its $2.6 billion project to address combined sewer overflows
  • By Cory Dellenbach
  • April 23, 2015
Underneath DC's Clean Rivers Project

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Washington D.C. Tunneling Machine Boring Water Infrastructure Combined Sewer Overflow (CSO) Public Education Sewer System DC Water

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Underneath DC's Clean Rivers Project
A look inside the Anacostia River Tunnel which will stretch for more than 12 miles and be bored at depths of 100 to 125 feet below ground with finished inside diameters ranging from 20 to 23 feet. It is designed to capture and store combined sewage, reducing the District’s discharge to the Anacostia River by 96 percent, based on precipitation averages.

The District of Columbia has three monster tunnel boring machines doing work beneath the ground as its Clean Rivers Project marks the halfway point in its 20-year plan.

The Clean Rivers Project includes the construction of multiple tunnels to capture combined sewer overflows...

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