To: Board of Supervisors
From: Brian M. Balbas, Public Works Director
Report Title: Amendment to Consulting Services Agreement with CH2M Hill, Inc., Brentwood and Clayton areas.
RECOMMENDATIONS:
APPROVE and AUTHORIZE the Public Works Director, or designee, to execute a Consulting Services Agreement (contract) amendment with CH2M Hill, Inc., effective September 19, 2023, to increase the payment limit by $100,000 to a new payment limit of $1,387,439 and to adjust the rates paid under this agreement for professional engineering services for the Marsh Creek Road Bridges Replacement project and to extend the term from December 31, 2023, to December 31, 2025, Brentwood and Clayton areas. (County Project No.: 0662-6R4083, Federal Project No.: BRLS 5928 (125)) (District III)
FISCAL IMPACT:
This project, including work performed under this amendment, is funded by 88.53% Federal Highway Bridge Program Funds and 11.47% Local Road Funds.
BACKGROUND:
The Public Works Director, or designee, contracted CH2M Hill, Inc. for professional engineering services for the Marsh Creek Road Bridges (#28C-0143 & -0145) Replacement Project.
This project consists of preparing plans, specifications, and estimates, including geotechnical and hydraulic studies, construction support, project management and coordination, and environmental and right of way support for the replacement of the Marsh Creek Road Bridges (#28C-0143 & -0145) over Marsh Creek in eastern Contra Costa County.
The original scope of the contract assumed that the duration of the construction phase would be one season, but instead the construction phase will extend to two seasons. As a result of the extended construction period, additional construction support efforts from the project design team are necessary.
This Amendment No. 5 will amend the payment limit, update the rates paid under this agreement, and extend the term to ensure continued work on the project and compensate for this additional effort.
Government C...
Click here for full text