Flap Gate and Outfall Structure Rehabilitation at Besco Pump Station (Zone 3A, Line K), Hayward, Alameda County, California.
Summary
SCH Number
2023020520
Public Agency
Alameda County Flood Control and Water Conservation District
Document Title
Flap Gate and Outfall Structure Rehabilitation at Besco Pump Station (Zone 3A, Line K), Hayward, Alameda County, California.
Document Type
NOE - Notice of Exemption
Received
Posted
2/22/2023
Document Description
The Alameda County Flood Control and Water Conservation District (District) owns and maintains the Besco Pump Station. The Besco Pump Station requires maintenance, repair and replacement of discharge pipes and head wall. The East wingwall and portions of the main headwall of the outfall structure, patching of Spalled portions of the main headwall, removal of the existing 9” diameter discharge pipe and replacing it with a new 12” diameter discharge pipe, trenchless lining of 36” diameter discharge pipelines, removal and replacement of 36” and 12” flap gates and rehabilitation or replacement of the station’s cathodic protection system. Work on the outfall structure and flap gates will require gravel bag cofferdam. Most of the cofferdam will be on an existing concrete apron but portions may need to be on a rock slope protection area of the flood control channel. Work will be phased to take place in summer months.
Contact Information
Name
James Yoo
Agency Name
Alameda County Flood Control District
Job Title
Associate Environmental Compliance Specialist
Contact Types
Lead/Public Agency
Phone
Email
Location
Cities
Fremont
Counties
Alameda
Regions
Unincorporated
Cross Streets
Adjacent to Hopkins St, but access is at Hesperian Blvd. The APN: 463-25-8-8
Zip
94544
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Sec. 15301, Class 1: Existing Facilities
Reasons for Exemption
The proposed project constitutes repair, maintenance, and minor alteration to existing public facilities involving negligible expansion of use.
County Clerk
Alameda
Attachments
Notice of Exemption
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