BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Coyote Creek Flood Protection Project - Short-Term Flood Risk Reduction Options Update and Flood Barrier Recommendation for Rock Springs.
End
RECOMMENDATION:
Recommendation
A. Receive information on short-term project for flood risk reduction to the Coyote Creek community; and
B. Provide comments and direction to Staff to advance the recommended short-term project, complete public outreach, and finalize design for the Rock Springs area of Coyote Creek. The recommended short-term projects are:
a. An up to 5-foot tall earthen berm extending 400 feet across the San Jose Water Company property to the end of Bevin Brook Drive; and
b. An up to 3-foot tall vinyl sheet pile wall extending 500 feet across an access driveway and City of San Jose Park areas.
Body
SUMMARY:
The Coyote Creek flood of February 21, 2017 was a devastating event for our community resulting in tens of millions of dollars in damages to residents and businesses and significant evacuation of community members from their homes. On June 13, 2017, the District Board of Directors (Board) conducted a public hearing on proposed modifications to the Coyote Creek Flood Protection Project (Project) of the Safe, Clean Water and Natural Flood Protection Program (SCW).
In the June 13, 2017 Board hearing, Staff was directed to reactivate the Coyote Creek Project planning study (Montague Expressway to Interstate 280) and extend the upstream project limit 2.9 miles from Interstate 280 to Tully Road. The new Project limits, from Montague Expressway to Tully Road (Project Reach) include the Rock Springs neighborhood area which was significantly impacted by the February 21, 2017 flood event.
In addition to extending the Project limits upstream to Tully Road, the Board also:
* changed the flood protection level from the 1% chance, or 100-year event, to protection from a flood event equivalent to the February 21, 2017 flood event (approximately 20 to 25-year) w...
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