Riverside Regional Water Quality Control Plant Headworks Overflow.pdf
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- Solicitation number
- 8268
- Issued by
- Riverside County, California
About this file
This is a construction bid invitation issued by the City of Riverside, Department of Public Works, for the Riverside Regional Water Quality Control Plant Headworks Overflow project. The project involves the construction of an overflow outlet system to operate during power outages at the Regional Water Quality Control Plant. Scope of work includes construction of concrete valley gutter, curb, sidewalk, asphaltic concrete berm, pavement, HDPE pipe, grated inlets, and an outlet into an existing concrete lined basin. The invitation was posted on August 18, 2026, with bids due on September 11, 2026, at 12:00 PM (PDT). A non-mandatory pre-bid job walk is scheduled for August 25, 2026, at 9:00 AM at 5950 Acorn Street, Riverside, CA 92504. An online question and answer period is available with a deadline of September 1, 2026, at 12:00 PM (PDT). The project is located in Riverside County and is submitted as a lump sum bid with electronic response format.
The estimated bid value is $173,804.00. The award type is lump sum with required proposal forms. Bidders must hold either a Class "A" General Engineering or Class "C-34" Pipeline Contractor license from the State of California in good standing. A bid bond equal to ten percent of the proposal amount, executed by a corporate surety with an A:7 rating and notarized, is required prior to submission deadline. Performance and payment bonds are each required at 100 percent of the contract amount. The offer is valid for 120 days. The contract is categorized under construction and maintenance services for pipelines, sewer and storm drain systems, and wastewater treatment plants. Questions and bid submissions must be directed through the PlanetBids Vendor Portal, with contact information available through Frank Grosso at the City's Department of Public Works.
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Text version
City of Riverside
Opportunity Detail
Bid Bond
Pre-Bid Meeting Information
Online Q&A
RIVERSIDE REGIONAL WATER QUALITY CONTROL PLANT HEADWORKS OVERF
Title RIVERSIDE REGIONAL WATER QUALITY CONTROL PLANT HEADWORKS OVERFLOW Invitation # 8268
Posting Date 08/18/2026 4:18 PM (PDT) Project Stage Bidding Bid Due Date 09/11/2026 12:00 PM (PDT)
Response Format Electronic
Type Bid Response Types Line Items
Subcontractor Bid Bond Proposal Forms (required)
Type of Award Lump Sum Categories 91340 - Construction, Pipeline
91345 - Construction, Sewer And Storm Drain 91359 - Construction And Upgrades, Wastewater Treatment Plant 91378 - Maintenance And Repair, Pipeline (includes Removal And Relocation)
91381 - Maintenance And Repair, Sewer And Storm Drain (including Removal) 91391 - Maintenance And Repair, Wastewater Treatment Plant
License Requirements Class "A" General Engineering or a Class "C-34" Pipeline Contractor State of California Contractor’s license in good standing.
Department Public Works Address 3900 Main Street
6th Floor Riverside, California 92522
County Riverside
Offer Valid 120 Days Liquidated Damages Estimated Bid Value 173804.00 Start/Delivery Date
Project Duration
Bid Bond 10.00% Payment Bond 100.00%
Performance Bond 100.00%
Pre-Bid Meeting Yes Meeting Type Onsite
Date & Time 08/25/2026 9:00 AM (PDT) Address 5950 Acorn Street, Riverside CA 92504
Attendance Required No Additional Details The City will host a non-mandatory job walk on Tuesday, August 25, 2026 at 9:00 am. All participants shall meet in the construction building located in the upper parking lot at 5950 Acorn Street, Riverside CA 92504.
Online Q&A Yes Q&A Deadline 09/01/2026 12:00 PM (PDT)
8/27/26, 3:49 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/39475/bo/bo-detail/145204#bidInformation 1/2
Contact Information
Description
Search & Bid on Thousands of Contracts
Contact Info Frank Grosso Any questions, interpretations, or clarifications, either administrative or technical, about this Bid must be submitted via “Q&A” through the City’s Electronic Bidding System PlanetBids Vendor Portal
Bids to City’s Electronic Bidding System PlanetBids Vendor Portal Owner's Agent
Scope of Services The project will provide an overflow outlet during power outages at the Regional Water Quality Control Plant. The project entails the construction of concrete valley gutter, curb, sidewalk, asphaltic concrete berm, pavement, HDPE pipe, grated inlets, and outlet into an existing concrete lined basin.
Other Details Prior to the proposal submission deadline, bidders must upload via the City’s bidding website a bidder’s bond executed by a corporate surety admitted to engage in such business in the State of California, with an A:7 rating, for an amount equal to at least ten percent of the amount of its proposal. The bid bond must be notarized, and scans are acceptable for the purposes of online submittal, but originals will be required when requested by Purchasing. No proposal shall be considered unless such proposal guaranty is received by the proposal submission deadline.
Proposals submitted without a proposal guarantee shall be declared non-responsive and will not be further considered. In order to be considered valid, a bid bond must be signed by authorized representatives from both the Contractor and Corporate Surety.
Notes Special Notices
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8/27/26, 3:49 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/39475/bo/bo-detail/145204#bidInformation 2/2 https://vendor.planetbids.com/
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