This Solicitation opportunity from Wisconsin was posted on February 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Digester Cleaning Project

Closed

2026 Digester Cleaning ProjectState & Local

Submission Closed03/04/2026, 01:00:00 PM CST

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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Request for Proposals - Landfill Gas Beneficial Use Project NMLF

Solicitation # PW-5-27

The City of Montgomery is soliciting proposals under RFP PW-5-27 for a qualified developer to finance, design, permit, construct, own, operate, maintain, and decommission a landfill gas beneficial use project at the North Montgomery Landfill in Alabama. The primary objective is to maximize the recovery and beneficial use of landfill gas while ensuring regulatory compliance, public safety, and the continuity of landfill operations. The City intends to sell raw landfill gas to the selected developer, who may propose a variety of commercially demonstrated solutions, including Renewable Natural Gas, electricity generation, direct-use projects, or other high-Btu alternatives. The anticipated agreement term is twenty years, and the developer will be responsible for all necessary utility, environmental, and zoning approvals, as well as providing secure real-time visibility into operating parameters and maintaining a reliable gas routing system for the City. Proposals are due by November 19, 2026, and will be evaluated based on a weighted criteria system that considers direct project revenue, avoided City costs, administrative burden, and risk. Developers must provide a comprehensive logic-linked schedule from the notice of intent through commercial operation, along with detailed financial and performance security plans, including construction bonds and decommissioning security. Technical supporting documentation provided to proposers includes LandGEM emissions models, historical tonnage data, facility layouts, and Phase V gas expansion plans. The selected developer must complete a rigorous commissioning process involving factory and field testing, controls integration, and performance demonstrations before achieving commercial operation.

POSTED

DEADLINE

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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Project Waste Removal and DisposalThis subcontract for Project Waste Removal and Disposal involves the collection and hauling of project-generated waste for prime contractors at the DHS Madden Mental Health Center facility in Illinois. The scope of work includes the removal of all debris, specifically including weeds and removed trees from interior courtyards, and ensuring all off-site disposal is conducted in strict accordance with local, state, and federal laws. The selected contractor is required to provide all necessary hauling trucks and waste containers to ensure the site is left clean and free of hazards, with formal confirmation of proper disposal provided. This opportunity is categorized under NAICS code 562219, with a response deadline set for November 19, 2026.

MENTHLTH444 - Mental Health

POSTED

DEADLINE

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

Adamsdale Well GAC Media Replacement and Disposal

Solicitation # BD-26-1306-NADPW-NADPW-135199

The Town of North Attleboro, specifically the Department of Public Works, is seeking sealed bids and proposals for the Adamsdale Well GAC Media Replacement and Disposal project. The scope of work requires the replacement of Granular Activated Carbon (GAC) media at the Adamsdale Well and the subsequent disposal of the spent material. This solicitation, identified by number BD-26-1306-NADPW-NADPW-135199, was posted on November 12, 2026, with a response deadline of December 3, 2026. The project will be performed in North Attleboro, Massachusetts, with administrative and payment coordination handled by Andrea Phillips and Melissa Imbaro. All invoicing and remit-to activities are directed to 49 Whiting Street, North Attleboro, MA 02760. While the contract specifies a quantity of one for the replacement and disposal service, specific unit pricing and total contract value are not provided in the solicitation details.

Town of North Attleboro

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

POSTED

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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.

POSTED

DEADLINE

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.

Mid and east Antrim Borough Council

POSTED

DEADLINE

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.

POSTED

DEADLINE

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

POSTED

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

4 days ago

DEADLINE

in 26 days

AI Contract Overview

The Madison Metropolitan Sewerage District is soliciting sealed proposals for the 2026 Digester Cleaning Project at the Nine Springs Wastewater Treatment Facility. The project involves the removal and legal disposal of approximately 315,000 gallons of anaerobically digested sludge, estimated at 180 dry tons per digester across three separate anaerobic digesters. The scope of work includes the complete interior cleaning of all three digesters and their appurtenances to remove residual and inorganic materials. Work is expected to proceed sequentially, with each digester requiring approximately 17 days for dewatering. The anticipated notice to proceed is April 27, 2026, with final completion required by October 30, 2026. Prospective prime bidders must be prequalified, with applications due by February 25, 2026. To qualify, contractors must demonstrate at least three years of active experience in digester cleaning. Sealed proposals are due by 1:00 p.m. CST on March 04, 2026. Bidders must submit comprehensive documentation, including a commitment to safety, proof of insurance, financial statements, bonding information, and an equipment list. Award will be based on the lowest qualified, responsive, and responsible bidder. Payment will be determined by the actual dry tons hauled, verified through wet-ton load tickets and laboratory solids analysis. All work must strictly adhere to OSHA, EPA, and WDNR regulations, particularly regarding confined space entry and hazardous material handling.

General Info

Agency

Wisconsin → Madison Metropolitan Sewerage District

NAICS

562219 - Other Nonhazardous Waste Treatment and Disposal

Place of Performance

WI, USA

Set-Aside

NONE

Documents

rfb

High

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Timeline

PhaseClosed

PostedFeb 18

Solicitation

Response DeadlineMar 4

Deadline has passed

Submission Closed

03/04/2026, 01:00:00 PM CST

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Organization & Contact Information

AgencyWisconsin → Madison Metropolitan Sewerage District

Contacts1 person available

OfficeWI, USA

Organization / AgencyWisconsin → Madison Metropolitan Sewerage District

Office AddressWI, USA

Contacts

Matthew Leitzen

Full Description

Specifications are available by visiting the District website at: https://www.madsewer.org/contracting-center
The Madison Metropolitan Sewerage District (The District) will receive sealed proposals for the 2026 Digester Cleaning Project. Bids will be received at the office of the District, 1610 Moorland Road, Madison, Wisconsin 53713 until 1:00 p.m., CST, Wednesday, March 04, 2026, at which time and place all proposals will be publicly opened and read aloud. All proposals must be made on the forms provided herein and shall be addressed to the Madison Metropolitan Sewerage District; Aaron Dose, Process and Project Specialist; 1610 Moorland Road, Madison, Wisconsin 53713 (or emailed to ); and shall be marked "Sealed Proposal, 2026 Digester Cleaning Project." All prospective prime bidders must submit qualifications for review and approval by the District. Prequalification applications will be distributed with the Contract Documents upon request of the District. Bidders who have already submitted prequalification documentation to the District within last calendar year of the bid date need not resubmit but must notify the District in writing by the due date (using the form provided) of their desire to prequalify for this specific work. Prequalification applications must be completed and emailed to no later than 4:00 p.m., Wednesday, February 25, 2026. Bidders will be notified only of disqualification no later than 4:00 p.m., Friday, February 27, 2026. If a Bidder has not filed the prequalification application, their bid shall not be opened. For the cleaning contractor to be qualified, they must have at least 3 years of active experience in this type of work. Only formal written addenda can materially alter the specifications. No verbal statement made by District employee or anyone else is binding nor shall such a statement be considered an official part of this public proposal. All bid responses and their contents will be public record. Bidders are responsible for ensuring their emailed bid is received and complies with published Microsoft Quarantine email guidelines. Confirmation of receipt will be sent within one business day. If you do not receive confirmation, contact EXT 110 immediately. Unless otherwise specified in the bidding documents, the prospective bidders should check our internet site for any addendum 72 hours before the scheduled bid deadline. The District is federal and state tax exempt. The District reserves the right to reject any or all proposals or to waive any technicality and accept any proposal which may, in its opinion, be advantageous to the District. Any questions may be directed to: Aaron Dose Process and Project Specialist Madison Metropolitan Sewerage District 1610 Moorland Rd Madison, WI 53713
Published by authority of the Commissioners of the Madison Metropolitan Sewerage District. By Brad J. Murphy, Secretary