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Mountain tunnel improvement project
It . Project Background Mountain Tunnel is an approximately mile-long water tunnel that has been serving the Bay Area since as part of the Hetch Hetchy Regional Water System. The current westbound Allegheny Tunnel was constructed between 19and was part of the Allegheny Tunnel - Transportation Improvement Project. . Reddit is a social news website where you can find and submit content. You can find answers, opinions and more information for mountain tunnel improvement project. Mountain Tunnel Improvements Contact: Betsy L. Rhodes phone () mail_outline blauppe@rainer-daus.de Overview Improve the condition of the existing Mountain Tunnel, and to ensure the its continued ability to provide quality drinking water reliably to its million customers in the Sierra Foothills and San Francisco Bay Area. McMillen Jacobs' design responsibilities for the Mountain Tunnel Improvements Project included a new 1,foot ( m) adit tunnel at Priest Reservoir to improve maintenance access; a new foot-deep (46 m), foot-diameter (17 m) rock flow control shaft and final lining that bells out to a larger foot by foot (17 x 21 m) ellipse to ho. While the agency is nearly finished with its . Feb 02, · The Mountain Tunnel Improvements Project is a key element of the SFPUC’s Hetchy Capital Improvement Program. This project was to build a m tunnel using the New Austrian Tunneling for more efficient management and improved precision of the tunnel works.