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A bid date has not yet been established.About Mountain TunnelThe San Francisco Public Utilities Commission (SFPUC) is proposing the Mountain Tunnel Improvements Project (project) to improve the condition of the existing Mountain Tunnel (tunnel), and to ensure the tunnel’s continued ability to provide quality drinking water reliably to its 2.7 million customers in the Sierra Foothills and San Francisco Bay Area.

The SFPUC is proposing the Project to improve the condition of the existing Mountain Tunnel and to ensure the tunnel’s continued ability to provide quality drinking water reliably to its 2.7 million customers in the Sierra Foothills and San Francisco Bay Area. The Project is in the central Sierra Nevada Mountain Range near the town of Groveland in Tuolumne County.

The objective of the project the rehabilitation of the raw water Mountain Tunnel and related improvements to control water flow, water quality, and maintenance access.

The objective of the project is to provide interim repairs to the Mountain Tunnel lining during winter 2018-2019 shutdown, including concrete tunnel lining repairs, contact grouting, tunnel invert smoothing, concrete invert paving, removal of debris from rock trap, ground penetrating radar investigation of grouting, downhole video camera reading of second Garrote shaft.

The objective of the project the rehabilitation of the raw water Mountain Tunnel and related improvements to control water flow, water quality, and maintenance access.

-55933378240Attendance" target="_blank">https://www.eventbrite.com/e/mountain-tunnel-contractor-tour-tickets-55933378240Attendance is limited to tunnel contractors.

The objective of the project is to provide interim repairs to the Mountain Tunnel lining during winter 2018-2019 shutdown, including concrete tunnel lining repairs, contact grouting, tunnel invert smoothing, concrete invert paving, removal of debris from rock trap, ground penetrating radar investigation of grouting, downhole video camera reading of second Garrote shaft.