NIT: A Photo Update

As construction of the New Irvington Tunnel moves forward, here is a quick peek into some of the work taking place to provide a seismically safe water connection 2.6 million people. Photographs by Katherine Du Tiel and Robin Scheswohl © San Francisco Public Utilities Commission.

Workers install 96-inch sections that connect the
New Irvington Tunnel to the Bay Division Pipelines.

Old sections of the Bay Division Pipeline must be torn out to make way for new sections.

A worker welds sections of the new pipeline together.

Modifications are made to the tunnel’s rail and muck system. Materials and workers travel into the tunnel, and soils and equipment come out of the tunnel on a series of special rail cars.

The men and women of the New Irvington Tunnel: Working hard to ensure safety of the water supply for 2.6 million people.