FAQs

Why do the sheet piles appear to be rusting?

What is being observed is referred to as exfoliation and is expected to occur. The exfoliation that the wall is experiencing is the result of “mill scale” on the sheet piles that is corroding and becoming disbonded from the piles. Mill scale is essentially an extra surface layer of material that is formed/embedded during the

2024-02-29T12:47:55-08:00December 7th, 2023|

What is the striping plan for the levee trail?

The levee trail is split between the biking lane and the pedestrian use lane. The biking lane is in both directions, so all bikers should use the regular rules of the road, moving to the right of their respective lane to allow others to pass (without going into the pedestrian lane). Within the pedestrian lane,

2024-02-28T16:37:21-08:00June 29th, 2023|

Where can pedestrians walk on newly constructed levee/bay trail?

Striping on the newly paved levee/bay trail is meant to serve as a guide for pedestrians and cyclists. Pedestrians are permitted to walk on the paved asphalt, marked with pedestrian symbols, as well as the decomposed granite paving walkway. While only the asphalt could be marked with symbols, the pedestrian walkway includes the entire width

2023-05-24T12:43:40-07:00February 27th, 2023|

Have other cities in the San Francisco Bay Area successfully challenged FEMA’s coastal analyses to determine flood zones?

Other municipalities have unsuccessfully challenged the scientific basis behind hydrodynamic and wave modeling studies FEMA used to determine flood hazards applicable in San Mateo and Foster City. Cities and agencies that have lost their appeals against FEMA’s San Francisco Bay coastal analysis include the City of Alameda, the City of Belvedere, the City of Redwood

2021-03-02T09:53:17-08:00February 11th, 2021|

Is Foster City coordinating with neighboring cities (San Mateo, Belmont, Redwood City) about improvements to their levees?

Our focus is on protecting the Foster City community, and we are in communication with neighboring communities around the common goal of flood protection. Other jurisdictions are in various stages of addressing this need. Foster City is leading the way in implementing these improvements, thanks to the foresight of our community members, who approved Measure

2021-03-02T09:45:19-08:00January 21st, 2021|

Why was a natural metal surface selected instead of a painted coating for the exposed sheet pile wall?

A natural metal surface was selected for a number of reasons: Over time, a painted metal surface will exhibit ‘weeping’ through the coating, leading to streaking and staining of the wall surface, and requiring frequent paint touch-ups to maintain a uniform appearance. New paint over existing sun-worn paint can look uneven and splotchy A natural metal surface will age nicely and wear more uniformly

2023-05-24T12:42:28-07:00January 21st, 2021|

Where can I see detailed designs for the levee improvements?

Detailed plans are available on the project web page: Documents and Resources. If you have questions about specific design plans for the levee segment nearest to your property, you can contact Foster City Public Works staff at (650) 286-3270. Immediate construction concerns may be reported to the project hotline at (800) 213-6320.

2023-05-24T12:41:22-07:00January 21st, 2021|
Go to Top