TO: Napa-Vallejo Waste Management Authority Board of Directors
FROM: Chris Celsi, Executive Director
REPORT BY: Chris Celsi, Executive Director
SUBJECT: Third Amendment to Agreement 2023-02 for design of new C&D Building
RECOMMENDATION
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Approval and authorization for the Chair to sign the Third Amendment to Agreement 2023-02 with Sonoma RSA, Inc. dba RSA+, for continued architectural and engineering support during construction of the C&D Building at the Devlin Road Transfer Station, Project #17810, increasing the maximum contract amount by $1,389,000.
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EXECUTIVE SUMMARY
RSA+ was originally hired by the Authority on July 14, 2022, to design the new C&D Building. Through this Agreement No. 2023-02 and two prior amendments, RSA+ prepared the plans and specifications and provided support to the Authority during the bidding phase of the project.
The proposed third amendment to the Agreement will retain RSA+ services during construction of the project to answer questions and review submittals, ensure construction follows the project design, monitor compliance with stormwater requirements, and assist with the closeout of the Project. The complete scope of services added by the third amendment is described in the letter from RSA+ to the Authority dated December 23, 2024, as revised on September 4, 2025, included with this agenda item. The estimated cost of these additional services is $1,389,000 though the actual cost will depend on the level of effort needed during construction. The new maximum contract amount will be $3,609,000.
FISCAL & STRATEGIC PLAN IMPACT
Is there a Fiscal Impact?
Yes
Is it currently budgeted?
Yes
Where is it budgeted?
8100-8101000
Is it Mandatory or Discretionary?
Discretionary
Discretionary Justification:
RSA+ will provide the necessary assistance to ensure the facility is properly built.
Is the general fund affected?
Yes
Future fiscal impact:
None.
Consequences if not approved:
Authority's ability to ensure the project is ...
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