Agenda Item #13.6
For Council Meeting of: March 24, 2026
CITY OF SANTA ROSA
CITY COUNCIL
TO: MAYOR AND CITY COUNCIL
FROM: CHRISTA SIEGENTHALER, DEPUTY DIRECTOR, TRANSPORTATION AND PUBLIC WORKS SUBJECT: CONTRACT AWARD – CALISTOGA ROAD PAVEMENT REHABILITATION AND UTILITY IMPROVEMENTS – MONTECITO BOULEVARD TO HIGHWAY 12 AGENDA ACTION: MOTION
RECOMMENDATION
The Transportation and Public Works Department recommends that the Council, by motion, award Contract No. C02263, Calistoga Road Pavement Rehabilitation and Utility Improvements – Montecito Boulevard to Highway 12, in the amount of $10,592,049 to the lowest responsible bidder, Argonaut Constructors of Santa Rosa, California, approve a 20% contract contingency in the amount of $2,118,409.80, and authorize the City Manager or designee to execute the Contract and any change orders up to a total contract amount of $12,710,458.80. No City General Fund money is included in this project.
EXECUTIVE SUMMARY
This motion will award a contract to Argonaut Constructors of Santa Rosa, California, approve a 20% contract contingency, and authorize a total contract amount of $12,710,458.80 to the Project.
GOAL
This item relates to Council Goal #2 - Invest in the Development and Maintenance of the City's Infrastructure by rehabilitating the existing pavement and upgrading select water and sewer infrastructure along Calistoga Road between Montecito Boulevard and Highway 12.
BACKGROUND/PRIOR COUNCIL REVIEW
On May 21, 2024, the City Council, by Resolution No. RES-2024-071, authorized the Department of Transportation and Public Works to submit the Calistoga Road Reconstruction project for $4,596,103 to the California Transportation Commission in order to receive Fiscal Year 2024/2025 apportionment of SB1 Road Maintenance and Rehabilitation Account funding.
On September 9, 2025, the City Council, by Motion, approved Project Work Order No. A010139-2016-37 to provide Construction Management and Inspection services with Coastland | DCCM, Santa Rosa, California, in an amount not to exceed $1,339,723, inclusive of a 10% contract contingency; and authorized the City Manager to make non-substantive changes to the agreement, subject to approval by the City Attorney, and execute the agreement.
ANALYSIS
The project was advertised on February 12, 2026, and bids were received on March 10, 2026. A total of 6 (six) bids were received, ranging from $10,592,049 to $16,660,837.92. The low bid was 34.14% under the Engineer’s Estimate.
The low bidder, Argonaut Constructors possesses a valid contractor’s license of the required class, as verified by the Contractor’s State License Board, and is registered with the State Department of Industrial Relations (DIR).
Construction is anticipated to begin in approximately Summer 2026. The length of the contract is 320 working days.
The Public Participation Plan is required and has been approved by the Transportation and Public Works Marketing and Outreach Coordinator.
FISCAL IMPACT
Approval of this action does not have a fiscal impact on the General Fund. The funds are already allocated under JL Keys 17612, 55804, and 70816.
ENVIRONMENTAL IMPACT
The recommended action is exempt from the California Environmental Quality Act (CEQA) pursuant to CEQA Guidelines Section 15301(c) Existing Facilities, because it is maintenance of existing streets, sidewalks, gutters, and similar facilities; and, Section 15302(c) Replacement or Reconstruction, because it replaces existing utility systems and/or facilities involving negligible or no expansion of capacity. None of the exceptions to the exemption under CEQA Guidelines Section 15300.2 apply because this project does not affect sensitive locations such as wetlands, does not have a significant cumulative impact to the same location, does not have a reasonable possibility of a significant environmental effect due to unusual circumstances, is not a designated state scenic highway, is not located on a listed hazardous waste site, and does not cause a substantial adverse change in the significance of a historical resource.
BOARD/COMMISSION/COMMITTEE REVIEW AND RECOMMENDATIONS
Not applicable.
NOTIFICATION
Not applicable.
ATTACHMENTS
Attachment 1 – Location Map
Attachment 2 – Bid Summary
PRESENTER(S)
Peter Porata, Associate Civil Engineer
Gregory Mariscal, Supervising Engineer
CONTRACT AWARD – CALISTOGA ROAD PAVEMENT REHABILITATION AND UTILITY IMPROVEMENTS – MONTECITO BOULEVARD TO HIGHWAY 12 PAGE 3 OF 3