Interim Total Trash Capture Device (TTCD) Installation in Estudillo Canal to Comply with RWQCB MRP Section 10
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Summary
- SCH Number
- 2018122038
- Lead Agency
- Alameda County
- Document Title
- Interim Total Trash Capture Device (TTCD) Installation in Estudillo Canal to Comply with RWQCB MRP Section 10
- Document Type
- NOD - Notice of Determination
- Received
- Posted
- 2/8/2019
- Present Land Use
- Single - multifamily residential and open space
- Document Description
- The Alameda County Public Works Agency is implementing SF Bay RWQCB certified full capture systems of trash treatment control devices (TTCD) properly sized to trap particles 5mm and greater and trash debris in channel flows in the region specific 1-year, 1-hour design storm, without adverse hydraulic effects upstream. The TTCD will be Estudillo Canal between Washington Avenue and I-880 Freeway Northbound on/off ramp on Caltrans property. The TTCD will be installed on the bottom of the existing concrete lined rectangular channel. A 48' high concrete weir to direct trash debris laden low flows into the six linear trash treatment control devices will be constructed. The existing openings in the concrete flow restrictor walls downstream of the devices location will be enlarged to increase flow discharge to compensate for the potential hydraulic effects of the TTCD in the channel.
- Contact Information
-
Jim Browne
Alameda County
399 Elmhurst Street
Hayward, CA 94544
Phone : (540) 640-5796
Location
- Coordinates
- 37°41'33.72"N 122°18.22'"W
- Cities
- San Leandro
- Counties
- Alameda
- Cross Streets
- Washington Ave at I-880 Freeway
- Zip
- 94577
- Total Acres
- 6500 sq ft
- State Highways
- I-580, I-880
- Railways
- UPRR; BART
- Airports
- Oakland International
- Waterways
- Estudillo Canal
Notice of Determination
- Approving Agency
- Alameda County
- Approving Agency Role
- Lead Agency
- Approved On
- Final Environmental Document Available at
- 399 Elmhurst Street, Hayward CA 94544
Determinations
- (1) The project will have a significant impact on the environment
- No
- (2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
- No
- (2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
- Yes
- (2c) An other document type was prepared for this project pursuant to the provisions of CEQA
- No
- (3) Mitigated measures were made a condition of the approval of the project
- Yes
- (4) A mitigation reporting or monitoring plan was adopted for this project
- N/A
- (5) A Statement of Overriding Considerations was adopted for this project
- No
- (6) Findings were made pursuant to the provisions of CEQA
- No