Chabot Dam Seismic Upgrade Project

5 Documents in Project

Summary

SCH Number
2013042075
Lead Agency
East Bay Municipal Utility District
Document Title
Chabot Dam Seismic Upgrade Project
Document Type
FIN - Final Document
Received

Document Description
Note: Final The proposed project involves improving the Chabot Dam embankment toe through conventional earthwork or cement deep soil mixing (CDSM). The outlet works would be improved by re-lining the vertical brick-lined shaft that connects the sluice gate control to the outlet pipes, moving the valves and controls from the existing tower to the vertical shaft, relining or installing new outlet pipes from the vertical shaft to the reservoir, filling the tower with low strength flowable fill, retrofitting the tower walls, and removing the pavilion. Excavated materials would be stockpiled at the Filter Pond Stockpile and/or Park Stockpile, which are located at the former filter ponds and Chabot Park, respectively. Two potential haul routes are proposed within the project site: Upper Haul Route and the Lower Haul Route. Following the Chabot Dam seismic upgrade activities, the footprint of the project area would be returned to existing conditions.

Contact Information
Bill Maggiore
East Bay Municipal Utility District
375 Eleventh Street, MS 701
Oakland, CA 94607-4240

510 287 1021

Location

Coordinates
37°43'44"N 122°7'22"W
Cities
San Leandro Oakland
Counties
Alameda
Cross Streets
Estudillo Avenue, San Leandro
Zip
94605
Total Acres
96
Parcel #
Various
State Highways
I-580
Railways
No
Airports
No
Schools
Several
Waterways
San Leandro Creek
Township
2S
Range
2W
Other Location Info
Castro Valley

Notice of Completion

Development Type
Water Facilities (Reservoir & Dam Type) Other (Seismic upgrade of Chabot Dam)
Local Action
Other Action Other Action: Encroachment Permits
Project Issues
Cumulative Effects Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Soil Erosion/Compaction/Grading Recreation/Parks Public Services Noise Minerals Geologic/Seismic Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual
Reviewing Agencies
Air Resources Board California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency State Water Resources Control Board, Divison of Financial Assistance
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