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Utility board briefed on proposed new water supply line, Shorewood connection and SPU contract work
Summary
City staff updated the Mercer Island Utility Board on a proposed new water supply line, options to transfer Seattle Public Utilities (SPU) assets to the city, a plan to bring Shorewood onto Mercer Island water service, and a likely contract amendment with SPU tied to the project.
City staff updated the Mercer Island Utility Board on a proposed replacement and realignment of the island’s water supply line, options to transfer Seattle Public Utilities (SPU) assets to city ownership, and next steps on a wholesale contract amendment with SPU.
Jason (city staff) said the new proposed alignment would still receive water at the East Mercer Channel bridge but would follow a route around Southeast 36th/30th and up Gallagher to Southeast 40th to reduce reliance on a 24-inch section of pipe that experienced a leak last year. He said the city has hired RH2 as design and engineering team for the project and is near the final stages of selecting a contractor under a heavy civil GCCM (general…
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