This Subcontract opportunity from California was posted on October 9, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Alternative Biosolids Processing Services

Closed

State & Local

Submission Closed11/03/2026, 01:00:00 PM PST

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 562219

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MENTHLTH444 - Mental Health

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Adamsdale Well Granular Activated Carbon (GAC) Media Replacement and Disposal

Solicitation # 27-450-056

The Town of North Attleborough, through its Department of Public Works, is soliciting bids for the replacement and disposal of Granular Activated Carbon (GAC) media at the Adamsdale Well Water Treatment Facility. The scope of work requires a contractor to furnish and deliver new virgin GAC, remove spent GAC from filter vessels without damaging underlying support media, and ensure the lawful disposal, regeneration, or recycling of the spent material at an authorized facility. All materials must comply with NSF/ANSI Standard #61, AWWA B100, and AWWA B604, as well as Massachusetts Department of Environmental Protection requirements. Payment for the project is based on the accepted weight of the media delivered, removed, and installed. The solicitation, numbered 27-450-056, requires responses to be submitted via the Town's eProcurement portal by December 3, 2026. Bidders must provide a complete electronic price proposal, a Certificate of Corporate Authority, a W9 form, and a Tax and Non Collusion Attestation. Evaluation factors for the award include the proposed equipment's make and model, delivery capability, and past performance. The successful bidder must provide a 100% performance bond and a 50% labor and materials payment bond, and must maintain insurance coverage for Worker's Compensation, Commercial General Liability, and Vehicle Liability. A one-year warranty is required to correct any defects arising after acceptance.

POSTED

DEADLINE

Solicitation # SP450027R0003

The Defense Logistics Agency Disposition Services (DLA DS) is seeking qualified small businesses, specifically 8(a), HUBZone, woman-owned, and service-disabled veteran-owned entities, to perform de-manufacturing (DEMAN) operations at its site in Gimcheon, South Korea. The scope of work involves the complete disassembly of electronic items and the environmentally responsible recycling of materials, specifically excluding the disposal of hazardous waste. The contractor must provide all personnel, equipment, and supervision to segregate scrap materials, ensuring that circuit cards and microprocessors are returned to the U.S. Government. Performance is measured by volume, with yearly minimums of 50,000 pounds and 10,000 units, and a requirement to complete tasks within three days of notification from the Contracting Officer's Representative. The government intends to award a Firm-Fixed Price, Indefinite Delivery Indefinite Quantity (IDIQ) services contract consisting of one 18-month base period and two 18-month option periods. A critical requirement is the limitation on subcontracting, where the contractor may not pay more than 50% of the contract value to subcontractors that are not similarly situated entities. Access to the installation requires enrollment in the Defense Biometric Identification System (DBIDS), and key personnel must be proficient in English. Invoicing must be processed through the Wide Area Workflow (WAWF) within the Procurement Integrated Enterprise Environment (PIEE) no later than 30 days after the end of a task order period.

DLA Disposition Services - Ebs

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Brick and Concrete Processing for BackfillThis subcontract involves the processing of demolished brick and concrete to be used as backfill for prime contractors on projects for the Town of Montague. The selected provider will be responsible for the on-site crushing and screening of demolition debris using industrial loaders, screeners, and crushers to ensure all materials meet specific backfill requirements. The scope of work includes the delivery of the processed aggregate backfill material and requires the contractor to maintain all necessary waste handling and environmental permits. The project is located in Turners Falls, Massachusetts, under NAICS code 562219. Interested parties must submit their responses by the deadline of December 2, 2026.

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Non-Recyclable Waste Recovery (EfW/RDF/SRF)This subcontract opportunity with the Mid and East Antrim Borough Council involves the processing of non-recyclable waste into fuel for prime contractors. The selected provider will be responsible for converting waste materials into Refuse Derived Fuel or Solid Recovered Fuel at an Energy From Waste facility, ultimately delivering processed fuel outputs or energy recovery certificates. The project requires the contractor to maintain all necessary environmental permits for waste-to-energy processing. Interested parties must submit their responses by December 14, 2026, in accordance with the solicitation posted on November 11, 2026.

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Building DemolitionThis subcontract for building demolition involves partnering with prime contractors on City of Pittsfield projects located on Allen Street in Pittsfield, Massachusetts. The selected contractor is responsible for the complete execution of building structure demolition using heavy machinery such as hydraulic breakers and excavators, ensuring all debris is hauled away and the site is left fully cleared. Strict adherence to environmental safety standards for debris disposal is required for this project. Interested parties must submit their responses by November 30, 2026, in accordance with the solicitation posted on November 11, 2026, under NAICS code 562219.

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City of Durango, Colorado

Solicitation # h071c698cc2a1548f1d41

The City of Durango is seeking proposals from qualified contractors to operate the Durango Transfer Station and manage the transfer and hauling of solid waste to a permitted disposal facility. While the city will maintain its residential and non-residential collection routes and continue to operate the Durango Recycle Center, the selected operator will manage a facility used by city and La Plata County residents, local businesses, and private waste collection providers. Interested parties must submit their sealed proposals electronically via Rocky Mountain E-Purchasing by 3:00 PM local time on December 9, 2026. All bid documents are available through the specified procurement portal or the city website. The City of Durango reserves the right to reject any bids or waive minor irregularities to ensure the final selection serves the best interests of the city in accordance with its Purchasing Policy.

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Sale of Surplus Property

Solicitation # W912JF-27-S-0001

The Arkansas Army National Guard is soliciting bids for the sale of approximately 22.5 tons of Sorted Residential Papers and News, consisting of 28 bales weighing roughly 1,500 pounds each. This surplus property is sold as is and where is from Building 0319 at Camp Joseph T. Robinson in North Little Rock, Arkansas. Because the materials contain personally identifiable information, the winning contractor is required to treat the load as secure, render the contents unrecognizable and beyond reconstruction through methods such as shredding or deinking, and provide a certificate of destruction upon completion. This small business set-aside opportunity, solicitation number W912JF-27-S-0001, requires bids to be submitted via Standard Form 114F with pricing provided per ton. The award will be granted to the high bidder who is at least 18 years of age and registered in the System for Award Management. The successful bidder must provide a 20% earnest money deposit within three business days of the award and remove all materials within seven calendar days. Payments must be made via certified check or money order payable to the USP&FO for Arkansas Recycle Fund. Bids are due by November 23, 2026, at 2:00 p.m. CST.

W7MW Uspfo Activity Ar Arng

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DEADLINE

Recycling of the CCGS Atlin Post

Solicitation # WS5966050534

The Government of Canada, through the Department of Public Works and Government Services, is seeking offers for the transport, deconstruction, and disposal of the CCGS Atlin Post, a surplus 19.8 meter vessel built in 1975. The vessel is currently located out of the water at the Institute of Ocean Sciences in Sidney, British Columbia. The selected contractor will be responsible for removing the vessel from its current site by February 12, 2027, with all recycling and disposal work required to be completed by March 12, 2027. Interested parties must submit their responses by the deadline of December 3, 2026. This solicitation is governed by the Canadian Free Trade Agreement. All inquiries and submissions should be directed to the contracting authority, Andrea Jeakins, under solicitation number WS5966050534. Late submissions will not be accepted for consideration.

Department of Public Works and Government Services

POSTED

DEADLINE

Removal and disposal of a barge in Sop’s Arm, Newfoundland [Enlèvement et élimination d’une barge à Sop’s Arm, Terre-Neuve]

Solicitation # Doc5979479001

The Government of Canada is seeking offers for the removal, deconstruction, and disposal of a Canadian Coast Guard barge located in Sop’s Arm, Newfoundland. The vessel is in an advanced state of disrepair and is currently partially submerged on a combination of rocks and soft bottom. All contracted work must be fully completed by March 30, 2027. Interested parties must be fully registered in CanadaBuys and SAP Ariba to participate. All inquiries and communications regarding the tender must be conducted through the event messages tab of the SAP Business Network, and bidders are advised to check both the event messages and contents sections for any amendments. Submissions must be received by the deadline of December 9, 2026, as late entries will not be accepted.

Government of Canada / Gouvernement du Canada

POSTED

DEADLINE

The St. Tammany Parish Government in Louisiana is soliciting proposals for the transportation and disposal of non-hazardous biosolids generated from its Wastewater Treatment Plants. The selected provider will be responsible for supplying roll-off containers ranging from 25 to 30 cubic yards, including liners, specifically for facilities equipped with belt pressers used to produce non-hazardous cake. This solicitation, identified as number 49928, was posted on November 9, 2026, with a response deadline of December 8, 2026. Interested parties can find further details and submission guidelines through the Bid Express portal.

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POSTED

DEADLINE

ENVIRONMENTAL WASTE REMOVAL FROM DREDGE WHEELER BPA

Solicitation # W912P826QA033

The Department of Defense, through the USACE New Orleans District, is establishing a Blanket Purchase Agreement for environmental waste removal from the Dredge Wheeler. The contractor is responsible for providing all labor, equipment, and materials necessary to safely remove waste oil, contaminated water, oily filters, and rags. Most services will be performed at the vessel's home port at 7400 Leake Avenue, New Orleans, Louisiana, and must comply with United States Coast Guard over-water transfer requirements and Environmental Protection Agency regulations. Key deliverables include the removal of waste oil and contaminated water billed per gallon, the provision of three-yard waste disposal containers, and the removal of 55-gallon drums and 330-gallon totes. This procurement is a total small business set-aside. Performance is monitored by a government inspector with a zero percent deviation allowed from specifications, and all work must adhere to the USACE Safety Manual. Invoicing is handled via email, with payments under 10,000 dollars processed via Government Purchase Card and amounts exceeding that threshold handled by the USACE Finance division. Proposals must be submitted through the PIEE Solicitation Module by the specified deadline, ensuring files are in PDF or Microsoft Office format.

W07V Endist New Orleans

POSTED

4 days ago

DEADLINE

in 18 days

AI Contract Overview

This subcontract for Alternative Biosolids Processing Services, issued by the Purchasing and Contracting Department of the City of San Diego, involves the operation of facilities to convert bulk biosolids into non-bulk end-use products. The selected provider will utilize processing plants, composting equipment, and dehydration systems to support prime contractors on City of San Diego Public Utilities Department projects, ensuring the year-round availability of beneficial use options and the final delivery of processed materials. To qualify for this engagement, the contractor must maintain all necessary facility operating permits and environmental compliance certifications. Interested parties should note that the response deadline is November 3, 2026, and the services fall under NAICS code 562219.

General Info

City of San Diego subcontract for biosolids processing services due November 3, 2026.

Agency

California → Purchasing & Contracting Department of City of San Diego

NAICS

562219 - Other Nonhazardous Waste Treatment and Disposal

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 30000079-27-V.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Biosolids Transportation and Management Services

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedOct 9

subcontract

Response DeadlineNov 3

Deadline has passed

Submission Closed

11/03/2026, 01:00:00 PM PST

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Organization & Contact Information

AgencyCalifornia → Purchasing & Contracting Department of City of San Diego

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Purchasing & Contracting Department of City of San Diego

Office AddressN/A

ContactsNo contact information available

Full Description

Operates facilities to process biosolids into non-bulk end-use products for prime contractors on City of San Diego Public Utilities Department projects. Converts bulk biosolids using processing plants, composting equipment, and dehydration systems. Manages year-round availability of beneficial use options. Requires facility operating permits and environmental compliance certifications. Delivers processed biosolids or end-use products.