Hawaii ​Finalized ​Massive, $375M ​Sewer Project - ​Three-mile Long ​Gravity Sewer ​Tunnel

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Hawaii ​Finalized ​Massive, $375M ​Sewer Project - ​Three-mile Long ​Gravity Sewer ​Tunnel

Honolulu, Hawaii completes massive, $375M sewer project in Windward Oahu.

A three-year project to build a gravity sewer tunnel and make other infrastructure upgrades in Windward Oahu was officially wrapped up.

The 3-mile-long tunnel is 400 feet below the surface in places, and was constructed to be able to handle "massive excess capacity," including during major storms, Mayor Kirk Caldwell said.

Read more: Hawaii News

Source: BC Water News

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