RESOLUTION R2026-XX
RESOLUTION OF THE CITY COUNCIL OF THE CITY OF MANTECA, STATE OF CALIFORNIA, DETERMINING C. OVERAA & COMPANY (OVERAA) TO BE THE MOST RESPONSIBLE, RESPONSIVE, AND QUALIFIED PROGRESSIVE DESIGN-BUILD (PDB) FIRM FOR THE WASTEWATER QUALITY CONTROL FACILITY ULTRAVIOLET DISINFECTION SYSTEM REHABILITATION PROJECT (CIP NO. 25004) AND AMMONIA SIDESTREAM TREATMENT PROJECT (CIP NO. 25005) (COLLECTIVELY “PROJECT”); AWARDING THE PDB AGREEMENT FOR SERVICES TO OVERAA FOR AN AMOUNT NOT-TO-EXCEED $2,397,730 AND AUTHORIZING UP TO $20,000,000 IN PDB AGREEMENT AMENDMENTS FOR THE PROJECT; APPROVING AMENDMENT NO. 2 TO AGREEMENT C2024-120 FOR PROFESSIONAL SERVICES WITH CAROLLO ENGINEERS, INCORPORATED FOR AN AMOUNT NOT-TO-EXCEED $300,000 FOR THE PROJECT; APPROVING A PROJECT CONTINGENCY OF $20,000,000; AND AUTHORIZING THE CITY MANAGER OR DESIGNEE TO TAKE ALL APPROPRIATE ACTIONS NECESSARY TO CARRY OUT THE PURPOSE AND INTENT OF THE RESOLUTION WHEREAS, Public Contract Code Chapter 4.7 Section 22185 allows local agencies to utilize Progressive Design-Build (PDB) contracting for up to 10 public works projects in excess of $5,000,000 for each project; and WHEREAS, the advantages to a PDB delivery method are:
The city continues to participate in the design decision making process The contractor is involved early in the design process
Equipment can be ordered as soon as design packages are approved Reduced construction conflicts
Reduced project delivery timeline; and
WHEREAS, the PDB delivery method is composed of the following phases:
Pre-Construction Phase, where the PDB firm prepares approximately 75% Plans, Specifications, and Estimates and secures subcontractor bids via a competitive bidding process and provides a Guaranteed Maximum Price to the city.
Construction Phase, the PDB firm completes the design, procures all materials and equipment, and provides the labor to complete project construction; and WHEREAS, on April 1, 2025, the City of Manteca (City) issued a Request for Qualifications for Services for the Wastewater Quality Control Facility (WQCF) Project. The deadline to submit questions and/or inquiries was May 1, 2025, and responses to questions/inquiries were published on the City’s website on May 15, 2025; and WHEREAS, on May 20, 2025, the City received four Statement of Qualifications from the following firms:
C. Overaa & Company (Overaa)
GSE Construction Company, Incorporated (GSE)
PCL Construction West Coast Incorporated (PCL)
Shimmick Construction Company, Incorporated (Shimmick); and WHEREAS, on October 21, 2025, the City approved the shortlist of three qualified firms:
Overaa
PCL
Shimmick; and
WHEREAS, on October 23, 2025, the City issued a Request for Proposals for the Project to the three shortlisted firms with a deadline to submit questions and/or inquiries by January 8, 2026, and responses to questions/inquiries were published on the City’s website on January 16, 2026; and WHEREAS, on January 22, 2026, the City received three proposals and subsequently convened a review committee which determined Overaa to be the most responsible, responsive, qualified firm, and meets the specific goals of the Project; and WHEREAS, the Pre-Construction Phase services cost in the amount of $2,397,730 is within the Engineer’s estimate and City staff relatedly requested Carollo Engineers, Incorporated (Carollo) to provide an expanded task and fee for engineering support during the Pre-Construction Phase of the Project, after which negotiations were completed with Carollo for an amount not-to-exceed $300,000; and WHEREAS, the City Council has considered all information related to this matter, as presented at the public meetings of the City Council identified herein, including any supporting reports by City Staff, and any information provided during public meetings.
NOW, THEREFORE, BE IT RESOLVED, by the City Council of the City of Manteca, as follows:
The City Council hereby finds that the facts set forth in the recitals to this Resolution are true and correct and establish the factual basis for the City Council’s adoption of this Resolution.
The City Council hereby determines C. Overaa & Company to be the most responsible, responsive, and qualified Progressive Design-Build firm for the Wastewater Quality Control Facility Ultraviolet Disinfection System Rehabilitation Project (CIP No. 25004) and Ammonia Sidestream Treatment Project (CIP No. 25005).
The City Council hereby awards the Progressive Design-Build Agreement for Services to C. Overaa & Company for an amount not-to-exceed $2,397,730 and authorizes up to $20,000,000 in Progressive Design-Build Agreement amendments for the Wastewater Quality Control Facility Ultraviolet Disinfection System Rehabilitation Project (CIP No. 25004) and Ammonia Sidestream Treatment Project (CIP No. 25005).
The City Council hereby approves Amendment No. 2 to Agreement C2024-120 for Professional Services with Carollo Engineers, Incorporated for an amount not-to-exceed $300,000 for the Wastewater Quality Control Facility Ultraviolet Disinfection System Rehabilitation Project (CIP No. 25004) and Ammonia Sidestream Treatment Project (CIP No. 25005).
The City Council hereby approves a Project Contingency of $20,000,000 for the Wastewater Quality Control Facility Ultraviolet Disinfection System Rehabilitation Project (CIP No. 25004) and Ammonia Sidestream Treatment Project (CIP No. 25005).
The City Council hereby authorizes the City Manager or designee to apply for permits, apply for State and Federal grants, solicit Project funding support, complete and execute all associated documents, and take all appropriate actions necessary to carry out the purpose and intent of the resolution.
This Resolution shall take effect immediately upon its adoption.
I HEREBY CERTIFY that the foregoing Resolution was duly adopted by the City Council of the City of Manteca at a public meeting of said City Council held on the 21st day of April, 2026, by the following vote:
AYES:
NOES:
ABSENT:
ABSTAIN:
MAYOR: __________________________
GARY SINGH
Mayor
ATTEST: __________________________
CASSANDRA CANDINI-TILTON
City Clerk
ATTACHMENT 1
R2026-XX Page PAGE 3 of NUMPAGES 3 April 21, 2026 R20XX-XX Page PAGE 1 of NUMPAGES 2 Type approved date of resolution here