San Francisquito Creek Joint Powers Authority Len Materman, - - PowerPoint PPT Presentation

san francisquito creek joint powers authority len
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San Francisquito Creek Joint Powers Authority Len Materman, - - PowerPoint PPT Presentation

San Francisquito Creek Joint Powers Authority Len Materman, Executive Director East Palo Alto January 2015 PG&E Ravenswood Substation January 2015 Upcoming changes to San Mateo Countys FEMA floodplain maps Redwood City East Menlo


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San Francisquito Creek Joint Powers Authority Len Materman, Executive Director

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East Palo Alto January 2015

PG&E Ravenswood Substation January 2015

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Upcoming changes to San Mateo County’s FEMA floodplain maps

Menlo Park East Palo Alto Redwood City

DRAFT floodplain maps

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Palo Alto Menlo Park East Palo Alto = Creek floodplain only (3,500 parcels) = Bay floodplain only with 3’ Sea Level Rise (over 2,700 parcels) = Overlap of creek and Bay floodplains (2,200 parcels) Approximate number of parcels in the 100-year floodplains

SF Bay

X X X

= Bridge replacement = Channel widening = New levee or floodwall

X

Redwood City

  • Mt. View

Floodplains and Planned Projects San Francisquito Creek & S.F. Bay

The Big Picture

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Menlo Park Palo Alto

3’ of SLR with a 100-year Bay tide

East Palo Alto

Design and analyze (EIR) project elements to remove properties from the FEMA floodplain (100-year tide + 2’ freeboard), with up to 3’ of Sea Level Rise. Construction (not yet funded) may occur in phases (Phase 1 FEMA, Phase 2 SLR), and may be geographically separable.

Northern boundar y Southern boundary

Funders as of June 2015 California Dept. of Water Resources; California Coastal Conservancy; Facebook; Cities of East Palo Alto, Palo Alto, and Menlo Park; U.S. Fish & Wildlife Service

SAFER Bay Project

Protect 5,000 properties & major infrastructure, restore marshes, connect communities through trails

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SAFER Bay 2015 in San Mateo County: 9 reaches, 16 alternatives

The Assets

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  • Developed and refined list of feasible alternatives
  • Engaged key stakeholders: Caltrans, SFPUC, PG&E,

Midpeninsula Regional Open Space District, Facebook, Salt Pond Restoration Project, public

  • Collected available data (property, geotech, hydraulic, etc.)
  • Requesting right-of-way access to collect additional data

Complete feasibility analysis of alternative alignments and features, and select preferred alternative (anticipated Jan. 2016) Complete EIR of alternatives, and design of preferred alternative (anticipated early 2018) Permits and Construction (unknown date)

SAFER Bay Update – June 2015