Sewer project to improve handling of Honolulu raw sewage

Published On: Mar 24 2014 09:15:34 PM HST   Updated On: Mar 24 2014 09:20:29 PM HST

On the eighth anniversary of the spill that sent 48 million gallons of raw sewage into the Ala Wai Canal, Honolulu Mayor Kirk Caldwell highlighted a massive new sewer project.

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This micro-tunneling machine was blessed before it begins digging two new force mains across Honolulu Harbor.

The two pressurized pipes will be five feet in diameter and help transport sewage and storm water from urban Honolulu to the Sand Island Wastewater Treatment Plant.

"The 40 days and 40 nights of rain that created that busting of our sewer main back in 2006; it won't happen because there won't be as much pressure in one pipe. We can transfer it to two pipes if need be," said Caldwell.

The project is part of a $4.7 billion dollar consent decree with the federal government that requires Honolulu to upgrade its sewer system by the end of 2035.


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