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Sewer gravity tunnel breaks through

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM

    The tunnel entry in the shaft at the Kailua Regional Wastewater Treatment Plant is shown above. The tunneling to Kaneohe began in January 2015.

  • COURTESY BOWERS + KUBOTA

    A construction worker is greeted on the Kaneohe side of the tunnel Tuesday after emerging from an opening in the tunnel-boring machine.

  • CRAIG T. KOJIMA / JAN. 12

    Kane Pelkington moves a small train through the tunnel of the Kailua Regional Wastewater Treatment Plant project site.

City contractors have successfully bored a 3-mile tunnel beneath Oneawa Hills, a critical component of the $371 million Kaneohe-Kailua Waste Water Conveyance and Treatment Facilities Project, Mayor Kirk Caldwell announced Tuesday. Read more

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