Unofficial Notice of Invitation to Bid (NIB)

San Luis Obispo City SLO is seeking bids from qualified and interested contractors for the following project titled, Management and Beneficial Reuse of Biosolids, identified under Solicitation ID: WRRF1225. Work is to be performed near 919 Palm St, San Luis Obispo, CA 93401, USA in San Luis Obispo County.

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General Project Description

This Request for Proposals (RFP) is for professional services related to the management and beneficial reuse of biosolids generated from the City of San Luis Obispo's Water Resource Recovery Facility (WRRF). The WRRF produces approximately 2,000 to 4,000 tons of Class B Pollutant Concentration (PC) quality biosolids annually. The contractor shall provide all services for transportation, beneficial reuse, permitting, and monitoring of these biosolids in compliance with federal, state, and local requirements. Proposals for mono-filling, landfilling, alternative daily cover, and/or incineration will not be considered. The contractor is responsible for providing all necessary regulatory permits, detailed descriptions of the beneficial use process, all monitoring and reporting, capital improvements at the reuse site, and all associated operational expenses. The contractor must also furnish and maintain all necessary equipment, labor, operators, support personnel, fuel, and insurance for the beneficial reuse operations.

General Bid Items

Quantity: - Unit: LS Work Item: Providing all services related to management and beneficial reuse of biosolids.
Quantity: - Unit: LS Work Item: Transportation of biosolids from the City's Water Resource Recovery Facility (WRRF) to the beneficial reuse site.
Quantity: - Unit: LS Work Item: Obtaining all required regulatory permits for hauling and beneficial reuse of biosolids.
Quantity: - Unit: LS Work Item: Meeting all monitoring and reporting requirements for beneficial reuse operations.
Quantity: - Unit: LS Work Item: Providing all capital improvements and operating expenses needed at the beneficial reuse site.
Quantity: - Unit: LS Work Item: Furnishing all equipment, labor, and materials for beneficial reuse operations.
Quantity: - Unit: LS Work Item: Furnishing all vehicle operators and support personnel.
Quantity: - Unit: LS Work Item: Furnishing all vehicle and support equipment fuel.
Quantity: - Unit: LS Work Item: Providing and maintaining full vehicle and equipment insurance, general liability insurance, and worker's compensation insurance.
Quantity: - Unit: LS Work Item: Hauling 100% of the biosolids produced at the City’s WRRF (estimated at 2,000 to 4,000 tons per year of Class B Pollutant Concentration quality biosolids).
Quantity: - Unit: LS Work Item: Removing full biosolids bins from the WRRF and delivering replacement bins at a rate consistent with operational needs.

NAICS Classification

NAICS 562998 – All Other Waste Management Services, NAICS 484220 – Specialized Freight (except Used Goods) Trucking, Local

Records and Due Date

This bid opportunity was entered into BidAmerica on December 17, 2025, and was last updated on January 12, 2026. All bids and/or proposals are due on January 20, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by San Luis Obispo City SLO. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from San Luis Obispo City SLO prior to bidding.