Water System Improvement Program Seismic Upgrade of BDPL Nos. 3 & 4: BDPL 3&4 Project Complete; Check out Sunol Valley

Thursday, December 31, 2015

BDPL 3&4 Project Complete; Check out Sunol Valley - Greater East Bay Blog

Thank you so much for your patience as we seismically upgraded critical components of the Hetch Hetchy Regional Water System. Our now completed work will ensure a reliable, high-quality water supply after an earthquake, major drought, or other emergency.

BDPL 3&4 project makes the cover of
ENR magazine June 2014.

The Water System Improvement Program's Seismic Upgrade of Bay Division Pipelines Nos. 3 & 4 at Mission Blvd and the I-680 interchange is complete. Beginning in February 2016, all Hetch Hetchy Regional Water System updates in the East Bay region will be posted here.

If you love learning about and staying updated on your water system, please subscribe to the Sunol Valley - Greater East Bay blog and follow us @WSIPInTheNews.

Warm wishes for a happy New Year!

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Project Information

The Seismic Upgrade of Bay Division Pipelines Nos. 3 and 4 (BDPL 3&4 Seismic) is part of the San Francisco Public Utilities Commission’s Water System Improvement Program. This project will seismically upgrade two drinking water pipelines where they cross the Hayward Fault in Fremont. To protect the water system, the BDPL 3&4 Seismic project is replacing large sections of the pipelines with high-tech pipe elements and structures designed to protect them from damage during a major earthquake.

The pipelines, known as Bay Division Pipeline Nos. 3 and 4, cross the Hayward Fault near the intersection of Mission Boulevard and I-680 in Fremont. All project work will take place within the SFPUC’s right of way and nearby staging areas.

The seismic upgrade of Bay Division Pipeline Nos. 3 and 4 will improve the reliability of the water system for the Hetch Hetchy Regional Water System’s 2.6 million customers in the Bay Area, including Alameda County.

Our project team is working closely with local officials to ensure construction schedules are timely and traffic and community inconveniences are minimized.

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