Title
Staff Report for a City of San Leandro City Council Resolution to Approve a Cooperative Agreement with Alameda County Flood Control and Water Conservation District for Improvements to the Estudillo Canal and the Monarch Bay Drive Bridge
Staffreport
SUMMARY AND RECOMMENDATIONS
This action approves a Cooperative Agreement with the Alameda County Flood Control and Water Conservation District that provides for improvements to the Estudillo Canal to improve flood protection and improvements to the Monarch Bay Drive Bridge to repair erosion.
Staff recommends:
* Approval of an agreement with the Alameda County Flood Control and Water Conservation District (District) for Improvements to the Estudillo Canal and the Monarch Bay Drive Bridge.
* Authorization to pay up to $350,000 to the District for construction work and construction management on the Monarch Bay Drive Bridge, as described in the Cooperative Agreement.
BACKGROUND
Estudillo Canal is an engineered channel that begins just west of I-580 near Fairmont Drive, where it receives drainage from the ridge above the Fairmont Hospital and the surrounding area. The canal flows south crossing East 14th Street and around the southern portion of Bayfair Shopping Center, then turns west and flows to San Francisco Bay, capturing storm water from as far north as Williams Street and as far south as Lewelling Boulevard. Constructed in 1958 by the District, the canal greatly reduced the risk of flooding in the Washington Manor, Floresta Gardens, Marina Faire, and Mulford Gardens neighborhoods.
The National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973 led to the creation of flood insurance rate maps ('flood maps' or FIRM) which classify the risk of flooding for each parcel of land. The flood maps have been updated many times since 1973 and the most recent update, in December 2018, indicates that when there is both high tide and high storm water runoff at the same time, there is a 1% r...
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