Update #28 (May 12, 2014) for
48-inch Force Main Reliability Improvement Project:
Unit 1 – Maple Street to Bair Island/Bair Island Road
Bair Island/Bair Island Road Update
The contractor had a delay due to some equipment malfunction. The work initially identified to begin today will now begin Wednesday, May 14, 2014. They must wait for a part in order to repair their crane motor.
Also, the issue with a generator running overnight last week was temporary. Now they have pulled electrical power cables through the fiber optic conduit and will use that to power their dewatering pumps.
Below is the original update sent May 5
Pipeline construction activity on Inner Bair Island will pick up considerably starting the week of May 12.
- For at least three weeks, the contractor will be installing sheet piles with a vibratory mechanism. During this period it will be loud and the vibrations will be experienced by the apartments and condominiums on Bair Island Road. For our industry, this is a typical and safe construction method. We did it on Maple Street near Docktown a few months ago. We want to express regret for the disruption that this construction period may cause – construction will be during the city-approved 7 a.m. to 7 p.m. Mondays-Fridays. There will be trucks and a crane carrying materials to and from the construction site.
- After the contractor completes the pile installation, they will be doing excavation to the bottom of the receiving shaft. This work will continue for three months but will have standard construction noise and vibration. This will complete Unit 1 of the 48 inch pipeline project and prepare Inner Bair Island for the phase that moves the pipeline toward the Silicon Valley Clean Water plant.
- There is also activity on Inner Bay Island that is visible from the condominiums and apartments on Bair Island Road that involves the U.S. Fish & Wildlife Service’s restoration project to restore the tidal wetlands environment. Their contractor, Pacific States Environmental Contractors, Inc., is building up the levees, and will be doing so for several months.
How You Can Stay in Touch
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More updates will follow as the work progresses.