Though it’s a state project, Mayor Ed Murray brought up the Highway 99 tunnel trouble during his keynote speech at the West Seattle Chamber of Commerce awards breakfast today (full story, with video, in the works). “Bertha is broken,” he noted, and said that if he had to make a guess, he’d say the tunneling won’t resume for at least 9 months. Later in the day, WSDOT published an update on the preparations for tunneling-machine repairs, including:
Drivers on SR 99 in Seattle will soon see a noise-blocking wall rise out of the ground near the spot where crews will dig a pit to reach and repair Bertha, the SR 99 tunneling machine. The double-plywood wall, which will be as tall as the lower deck of the Alaskan Way Viaduct, is designed to shield neighbors from construction noise associated with the repairs. It will stretch along the west side of the viaduct between South Jackson and South Main streets. Construction of the wall should take about two weeks.
WSDOT also published some conceptual renderings of what’s in the works; see them here. The tunnel contractor, says the state, is still finalizing the repair plan.
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