To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Approve and Authorize to fully close a portion of Flora Avenue between Boulevard Way and Sally Lane, on August 25, 2025, through October 15, 2025, from 7:00 a.m. through 5:00 p.m., for the purpose of installing a storm drain trash capture device, Walnut Creek area.
☒Recommendation of the County Administrator ☐ Recommendation of Board Committee

RECOMMENDATIONS:
ADOPT Resolution approving and authorizing the Public Works Director, or designee, to fully close a portion of Flora Avenue, between Boulevard Way and Sally Lane, on August 25, 2025, through October 15, 2025, from 7:00 a.m. through 5:00 p.m., for the purpose of installing a storm drain trash capture device, Walnut Creek area. (District II)
FISCAL IMPACT:
No fiscal impact.
BACKGROUND:
This road closure is necessary for the Saranap Trash Capture Installation, County Project No. 7517-6W7080. The size of the excavation within the road does not allow W.R. Forde Associates, Inc. to safely maintain through traffic during construction. The applicant will allow local and emergency traffic through the site during working hours. The excavation will be covered with traffic rated steel plates during non-working hours and the road reopened to through traffic. The applicant shall follow the guidelines set forth by the Public Works Department.
CONSEQUENCE OF NEGATIVE ACTION:
Applicant will be unable to close the road to complete the Saranap Trash Capture Installation project.
c: Kellen O’Connor-Engineering Services, Marke Smith-Engineering Services, Devon Patel-Engineering Services, Bob Hendry-Engineering Services, Chris Lau-Maintenance, CHP, Sheriff-Patrol Div. Commander
THE BOARD OF SUPERVISORS OF CONTRA COSTA COUNTY, CALIFORNIA
and for Special Districts, Agencies and Authorities Governed by the Board
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IN THE MATTER OF: Approving and Authorizing the Public Works Director, or designee, to fully close a portion of Flora Avenue, between Boulevard Way and Sally Lane, on August 25, 2025, through October 15, 2025, from 7:00 a.m. through 5:00 p.m., for the purpose of installing a trash capture device, Walnut Creek area. (District II)
RC25-21
NOW, THEREFORE, BE IT RESOLVED that permission is granted to W.R. Forde Associates, Inc. to fully close Flora Avenue, between Boulevard Way and Sally Lane, except for emergency traffic, local residents, US Postal Service and garbage trucks, on August 25, 2025, through October 15, 2025, from 7:00 a.m. through 5:00 p.m., subject to the following conditions:
1. Traffic will be detoured via roads identified in a traffic control plan, reviewed by the Public Works Department. Emergency vehicles, residents within the construction area and essential services will be allowed access as required.
2. All signing to be in accordance with the California Manual on Uniform Traffic Control Devices.
3. W.R. Forde Associates, Inc. shall comply with the requirements of the Ordinance Code of Contra Costa County.
4. Provide the County with a Certificate of Insurance in the amount of $1,000,000.00 for Comprehensive General Public Liability which names the County as an additional insured prior to permit issuance.
5. Obtain approval for the closure from the California Highway Patrol, Sheriff’s Office, and the Contra Costa Fire Protection District.
end