August 19, 2025
Public Works
DATE: August 19, 2025
TO: Mayor Martinez and Members of the City Council
FROM:
Daniel Chavarria, PE, Director of Public Works
Robert Armijo, PE, Deputy Director of Public Works / City Engineer
Mike Owyang, Assistant Engineer
Subject:
Accept the Terminal 4 Wharf, Warehouse, and Piling
Removal Project as Complete by Silverado Contractors,
Inc.
FINANCIAL IMPACT: There is no additional financial impact associated with this action. The total cost of the Terminal 4 Wharf,
Warehouse, and Piling Removal Project was $8,594,741
and was funded through grants from the State Coastal
Conservancy and the San Francisco Bay Restoration
Authority.
PREVIOUS COUNCIL
ACTION:
May 3, 2023
July 17, 2023
STATEMENT OF THE
ISSUE:
The Terminal 4 Wharf, Warehouse, and Piling Removal
Project has been completed in accordance with the
contract plans and specifications. In order to close out the project, the City Council must formally accept the
project as complete and authorize the release of
retention and bonds.
RECOMMENDED ACTION:
ADOPT a resolution accepting the Terminal 4 Wharf,
Warehouse, and Piling Removal Project as complete;
and AUTHORIZE the City Clerk to record the Notice of
Completion and the City Engineer to release applicable
bonds and retention – Public Works (Mike Owyang 621-
1363/Robert Armijo 620-5477).
AGENDA
REPORT
August 19, 2025
DISCUSSION:
On May 3, 2023, City Council awarded a construction contract to Silverado Contractors Inc. for the Terminal 4 Wharf, Warehouse, and Piling Removal Project in the amount not to exceed $5,297,926, with an additional contingency amount of $529,800 (Attachment 1). The scope of work included demolition of the wharf, warehouse structures, and piles, as well as bank restoration using rock slope protection. The contract was also amended by the City Council on July 17, 2023, to expand the scope of work and budget and subsequently on June 20, 2024, for a term extension (Attachments 2 and 3).
Eight (8) change orders were executed as part of this project. The change orders included a final balancing adjustment for both omitted and additional scope, debris removal, slope reconstruction, reef ball installation, planting, and placement of seaweed cobble.
Below is the status of the budget and project costs:
A. Construction Contract Amount $5,297,926.00
B. Contract Amendment #1 $2,067,900.00
C. Approved Change orders $ (135,532.00)
D. Design, Construction Management, Inspection,
Project Management, Testing & Miscellaneous expenses $1,364,447.00
Total Project Cost $8,594,741.00
The City’s derelict wharf structures have been removed, and the shoreline is now stabilized. The project has been completed within the available budget and time frame of the contract. City staff has verified that all work was completed in accordance with the contract documents and applicable standards.
Considering that all construction items are complete, City staff recommends that the City Council adopt the Resolution, accepting the project as complete, directing the City Clerk to record the Notice of Completion with the Contra Costa County Recorder, and authorizing the City Engineer to execute and release any applicable bonds and retention payments (Attachment 4).
August 19, 2025
LOCATION MAP:
DOCUMENTS ATTACHED:
Attachment 1 – Contract (Original)
Attachment 2 – Contract (Amendment 1)
Attachment 3 – Contract (Amendment 2)
Attachment 4 – Resolution for Project Completion