For City Council Meeting August 12, 2025
TO: Honorable Mayor and City Council
FROM: Tanya Williams, City Manager
AUTHOR: Nicole Hemmans, Senior Administrative Analyst
Title
Staff request City Council/Rialto Utility Authority Board Approve a Final Construction Work Authorization (FCWA) With Rialto Water Services, as Operated by Veolia West Operating Services, Inc. for the Rialto Biosolids Handling Upgrades Project at the Wastewater Treatment Plant for an Amount Not to Exceed $35,598,387.
(ACTION)
Body
RECOMMENDATION
Staff recommends that the City Council/Rialto Utility Authority Board approve a Final Construction Work Authorization (FCWA) with Rialto Water Services, as operated by Veolia West Operating Services, Inc. for the Rialto Biosolids Handling Upgrades Project at the Wastewater Treatment Plant for an amount not to exceed $35,598,387.
BACKGROUND
On March 8, 2022, the City Council (City)/Rialto Utility Authority (RUA) Board approved the Final Construction Work Authorization (FCWA) which included, among other projects, for Rialto Water Services (RWS) to complete a Rialto Biosolids Upgrade Study.
On February 14, 2023, the City/RUA Board approved the FCWA for RWS to complete the 30% design, and 60% design and preparation of a guaranteed maximum price (GMP) for Biosolids Handling Equipment.
The GMP is good until August 27, 2025. The City contracted Jacobs Engineering to review the costs for the project as proposed and to determine if replacing the equipment that needs rehabilitation would be less expensive. Jacobs concluded that replacing and rehabilitating the existing equipment would provide some upfront capital savings. However, the proposed project provides newer, more efficient technology that would result in long-term life cycle savings versus the repair and replacement approach.
ANALYSIS/DISCUSSION
The existing biosolids handling equipment, including sludge thickeners and dewatering systems is over 30 years old, beyond its useful life, a...
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