Alameda Siphons/New Irvington Tunnel EIR

Categorized Under: Environment



ICF provided environmental services for the Alameda Siphons Seismic Reliability Upgrade Project and the New Irvington Tunnel Project.

The Alameda Siphons project includes a new siphon under Alameda Creek, seismic upgrades to an existing siphon, improvements at the Alameda East Portal, access roads and bridges, and ancillary facilities, such as chemical feed lines. It is currently under construction. The New Irvington Tunnel project includes a new 3.4-mile water tunnel between the Alameda East Portal and the Irvington Portal in Fremont, reconstruction of the Irvington Portal, access roads and bridges, staging areas, and spoil disposal.

As the lead firm, ICF led the preparation of environmental documents. Key areas of environmental concern included sensitive biological resources, groundwater, water quality, air quality, construction traffic, spoil disposal, cultural resources, and visual aesthetics. ICF conducted all of the biological and archaeological field surveys and prepared all environmental regulatory permit applications, including a Biological Assessment (BA) for the U.S. Fish and Wildlife Service (USFWS), cultural resource inventory and evaluation reports for both architectural resources and archaeological resources, a wetland delineation and permit application for the U.S. Army Corps of Engineers, and permit applications for the Regional Water Quality Control Board (RWQCB) and the Department of Fish and Game (DFG). ICF was responsible for the biological aspects of the monitoring and Groundwater Management Plan.

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Insight Details

Client: San Francisco Public Utilities Commission
Location: CA

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