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C. 8

To:	Board of Supervisors
From:	Brian M. Balbas, Public Works Director/Chief Engineer
Date:	August 1, 2023

Contra

Costa

County

Subject:

APPROVE the Rodeo Creek Bank Erosion Repair Project and take related actions under CEQA, Rodeo area

APPROVE	OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR	RECOMMENDATION OF BOARD COMMITTEE

Action of Board On: 08/01/2023

APPROVED AS RECOMMENDED

OTHER

Clerks Notes:

VOTE OF SUPERVISORS

AYE:

John Gioia, District I Supervisor
Candace Andersen, District II Supervisor
Diane Burgis, District III Supervisor
Ken Carlson, District IV Supervisor
Federal D. Glover, District V Supervisor

Contact:

Alex Nattkemper, (925) 313-2364

I hereby certify that this is a true and correct copy of an action taken and entered on the minutes of the Board of Supervisors on the date shown.
ATTESTED: August 1, 2023
Monica Nino, County Administrator

BY:	, Deputy

RECOMMENDATION(S):

APPROVE the Rodeo Creek Bank Erosion Repair Project (Project) and AUTHORIZE the Chief Engineer, or designee, to advertise the Project, Rodeo area. [County Project No. WO9N04, DCD-CP# 21-35] (District V)


DETERMINE the Project is a California Environmental Quality Act (CEQA), Class 1 Categorical Exemption, pursuant to Article 19, Section 15301(d) of the CEQA Guidelines, and

RECOMMENDATION(S): (CONT'D)

DIRECT the Director of Department of Conservation and Development (DCD), or designee, to file a Notice of Exemption (NOE) with the County Clerk, and

AUTHORIZE the Chief Engineer, or designee, to arrange for payment of a $25 fee to DCD for processing, and a $50 fee to the County Clerk for filing the NOE.

FISCAL IMPACT:

Estimated Project cost: $900,000. 100% Flood Control District Fund 250500 funds.

BACKGROUND:

The purpose of the project is to repair two bank failures along the west side of Rodeo Creek at 4th and 7th Streets and to remove accumulated sediment within the channel adjacent to the 7th Street bank failure and under the 7th Street bridge to restore drainage capacity. At each site, the project consists of removing the failed bank material within the eroded area by excavating a keyway trench at the toe of the embankment, with intermittent benches as the excavation progresses up slope. The bank will then be reconstructed by backfilling with suitable material to protect against erosion and prevent property damage.

CONSEQUENCE OF NEGATIVE ACTION:

Delay in approving the project may result in a delay of design, construction, and may jeopardize funding. Erosion will worsen at the project site, which might damage nearby properties.