This Subcontract opportunity from New Mexico was posted on August 28, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Specialized Water Treatment Equipment Fabrication

Closed

State & Local

Submission Closed09/30/2026, 02:00:00 PM MDT

Contract Overview

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

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NAICS: 221320

New

St. Peter Wastewater Treatment Facility Biosolids Improvement Project CMAR Bid Packages

Solicitation # st-peter-wastewater-treatment-facility-biosolids-improvement-project-cmar-bid-packages

Rice Lake Construction Group is seeking bids from M/W/DBE subcontractors and supplier firms for the St. Peter Wastewater Treatment Facility Biosolids Improvement Project in Minnesota. The project involves converting the biosolids process from lime pasteurization to heat drying and bagging. The comprehensive scope of work includes belt filter press rebuilds, new feed pumps, cake conveyance, odor control, tank aeration, a new thermal oil building, and dry solids handling and bagging, along with full mechanical, electrical, and controls installation. Specific bid packages available include General Construction, Plumbing, Process Mechanical, and Process Equipment Installation. Because the plant must remain operational throughout the construction process, precise sequencing and temporary solids handling are critical requirements. This solicitation is specifically set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises, with a response deadline of November 17, 2026.

Rice Lake Construction Group

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DEADLINE

Metropolitan Council Blue Lake WRRF Digester #4

Solicitation # metropolitan-council-blue-lake-wrrf-digester-4

The Metropolitan Council Blue Lake WRRF Digester 4 project, managed by Rice Lake Construction Group in Minnesota, involves the addition of a fourth digester, the rehabilitation of a gravity thickener tank, and various electrical improvements. The scope of work is broad, encompassing sitework, excavation, concrete, metal fabrications, mechanical and electrical systems, and specialized construction tasks such as thermal protection and special coatings. This solicitation is specifically set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises, with a requirement that all subcontractors provide a commercially useful function. Interested parties must submit their responses by December 2, 2026. Primary inquiries regarding the project should be directed to Karen Calabro at Rice Lake Construction Group.

Rice Lake Construction Group

POSTED

DEADLINE

Water Reclamation Facility and Lift Station: Odor Control and Filtration Media Replacement

Solicitation # 2026-RFB-055

The Las Virgenes Municipal Water District-Triunfo Sanitation District Joint Power Authority is soliciting bids for a turnkey replacement of odor control carbon and tertiary filtration media at the Tapia Water Reclamation Facility and Sewer Lift Stations 1 and 2. The scope of work includes the removal and disposal of spent media and the replenishment of new materials across five vessels. Specifically, the project requires the replacement of coconut shell reactivated carbon in the headworks and primary carbon towers, as well as virgin high capacity H2S activated carbon in the raw sludge wet well and two lift station vessels. Additionally, the contractor must perform a media changeout for two tertiary filters, utilizing specific layers of gravel and anthracite meeting defined specific gravity and effective size standards. The contract is a lump sum award to be granted to the lowest responsible responsive bidder, with an expected award date of December 15, 2026. The period of performance is four months from the date of contract execution, with work conducted Monday through Friday between 7:00 AM and 3:00 PM. Because the filters are designated confined spaces, the contractor must provide a detailed entry plan and ensure all personnel are OSHA-certified. The contractor is responsible for all equipment, including cranes or vacuum trucks, as well as the characterization and disposal of all spent media. Bidders must provide technical data sheets, safety data sheets, and references from three public entities to be considered.

Water Ops, Water Reclamation

POSTED

DEADLINE

Odor and Corrosion Control

Solicitation # 2027-006-JS

Solicitation 2027-006-JS is an Invitation to Bid issued by the City of Sarasota, Florida, seeking a licensed Florida General Contractor to provide installation, operation, and maintenance of odor control process equipment at various water and wastewater treatment facilities, including lift stations LS10, LS16, and LS40. The scope of work requires the contractor to furnish and deliver approximately 30,000 gallons of chemicals annually, perform at least monthly monitoring of all sites, and maintain a 24/7 emergency response capability with a two-hour window for odor complaints and a four-hour window for equipment failures. Key deliverables include the development of a service program for gathering hydrogen sulfide data and the repair or replacement of malfunctioning components within 48 hours of discovery. The contract will be awarded to the lowest responsible and responsive bidder based on price. Bidders must submit their responses electronically as a single consolidated PDF by December 3, 2026. Requirements for the awarded vendor include maintaining specific insurance ratings, providing a non-coercion affidavit, and ensuring all storage tanks are labeled according to local, state, and federal regulations. Pricing is requested for various line items, including ammonium calcium nitrate, Bioxide Plus 71, and the setup and routine maintenance of biofilters. All provided materials must be new, current standard production models, and the city reserves the right to reject any items reflecting unsatisfactory workmanship or damage.

POSTED

DEADLINE

Operations and Maintenance (O&M) Services for the SBIWTP

Solicitation # 191BWC26R0009

Solicitation 191BWC26R0009, issued by the International Boundary and Water Commission, seeks a contractor to provide Firm Fixed Price operations and maintenance services for the South Bay International Wastewater Treatment Plant in San Ysidro, California. The contract includes a base year from June 1, 2027, to May 31, 2028, with subsequent option years extending through May 2031. The scope of work focuses on plant operations, SCADA management, and maintenance, with a specific emphasis on coordinating the facility's expansion from 25 MGD to 50 MGD. Key requirements include maintaining 24/7 staffing with bilingual operators, ensuring strict compliance with National Pollutant Discharge Elimination System permits and California Regional Water Quality Control Board orders, and adhering to rigorous security and background investigation protocols for all personnel. The government will award the contract using the Highest Technically Rated with a Fair and Reasonable Price method, where technical factors are significantly more important than price. Evaluation factors include plant operations, permit compliance, company experience, staffing, SCADA operations, plant coordination, and past performance. Contractors must provide a performance bond and comply with Davis-Bacon Act wage determinations and NIST cybersecurity standards. Performance will be monitored via a Quality Assurance Surveillance Plan focusing on regulatory compliance, effluent quality, and system uptime. Proposals must be submitted as separate technical and price volumes via a secure SharePoint portal.

Internat Boundary And Water Commission

POSTED

DEADLINE

REQUEST FOR QUALIFICATIONS/PROPOSALS FOR TREATMENT FACILITIES OPERATIONS AND MAINTENANCE SERVICES

Solicitation # RFQ_Operations_And_Maintenance_Stormwater_2026

The City of Malibu is seeking qualified vendors to provide operations and maintenance services for its treatment facilities, specifically focusing on stormwater management. This solicitation, identified as RFQ_Operations_And_Maintenance_Stormwater_2026, is open to interested parties who can demonstrate the necessary expertise to maintain these critical local infrastructure assets within Malibu, California. Interested proponents must submit their qualifications and proposals by the closing deadline of December 1, 2026, at 4:00 PM PT. Detailed bid documents and submission requirements are available through the City of Malibu's official procurement portal, and vendors are responsible for monitoring the site for any addenda or updates related to the request.

POSTED

DEADLINE

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

Solicitation # 140P2026R0101

Solicitation 140P2026R0101 is an unrestricted full and open competition for the replacement of the South Rim Wastewater Treatment Plant at Grand Canyon National Park, Arizona. This design-bid-build project, managed by the National Park Service DSC Contracting Services Division, has an estimated magnitude exceeding 100 million dollars. The scope of work involves the construction of a GD Membrane Bio-Reactor plant capable of handling a 0.65 million gallons per day maximum monthly flow and 1.2 million gallons per day peak hour flow. Key deliverables include the production of Class A+ reclaimed water and Class B biosolids, the construction of headworks, process buildings, a digester facility, compost and odor control facilities, and support buildings for administration and maintenance. The project also includes access road improvements and a 12-month operational support period following construction. The period of performance is scheduled from February 1, 2027, to February 1, 2030, with a total duration of 1095 calendar days after the notice to proceed. Award will be based on a multi-factor, best-value tradeoff process evaluating technical approach, key personnel experience, project experience, management approach, schedule, small business participation, and past performance. Required key personnel include a Project Manager, Superintendent, and specialists in Quality Control, Safety, and Historic Preservation. The contract requires performance and payment bonds, adherence to union prevailing wage rates, and compliance with Department of the Interior cybersecurity and accessibility standards. Proposals must be submitted electronically in separate volumes, with a final response deadline extended to December 18, 2026.

Dsc Contracting Services Division

POSTED

DEADLINE

Manufacture and Supply of MABR SolutionsThis subcontract focuses on the manufacture and supply of Membrane Aerated Biofilm Reactor (MABR) systems and associated hardware for wastewater treatment projects managed by Severn Trent Water Limited. The scope of work involves producing MABR modules and reactor components specifically designed for the intensification of Activated Sludge Plants, with a requirement that all delivered equipment complies with UK water industry standards. The contract involves the delivery of fully manufactured systems and modules directly to the project sites. Interested parties must submit their responses by December 16, 2026, to support prime contractors in executing these critical infrastructure improvements.

Severn Trent Water Limited

POSTED

DEADLINE

Procurement of Membrane Aerated Biofilm Reactor (MABR) systems

Solicitation # ocds-h6vhtk-06eee1

Severn Trent Water Limited is establishing a multi-supplier Framework Agreement for the provision of Membrane Aerated Biofilm Reactor (MABR) systems and associated services, including design support and manufacture. This procurement supports the AMP8 Activated Sludge Plant Intensification Programme and the wider Net Zero Investment Programme, focusing on wastewater treatment assets across the STW region. The current indicative portfolio includes approximately 11 wastewater treatment sites, with the potential for additional opportunities in future AMP8 and AMP9 investment programmes. The total estimated value of the framework is 44,400,000 GBP excluding VAT. The agreement is set for an initial term of four years, anticipated to run from March 31, 2027, to March 31, 2031, with an option to extend for an additional four years through March 30, 2035. Award decisions will be based on a competitive flexible procedure consisting of a Pre-Qualification Questionnaire (PQQ) stage, a Request for Proposal (RFP) stage, negotiations, and a Best and Final Offer (BAFO). Evaluation is heavily weighted toward quality at 70% and price at 30%. While the framework allows for both direct awards and mini-competitions, there is no guarantee of work, volume, or value for the appointed suppliers.

Severn Trent Water Limited

POSTED

DEADLINE

HDPE Raw Water Main InstallationThis subcontract involves the installation of 12-inch, 14-inch, and 16-inch DR-11 DIPS HDPE raw water mains for prime contractors working on City of Stuart water treatment plant projects. The scope of work includes horizontal directional drilling, open trench excavation, and HDPE pipe fusion, along with the management of entry and exit pits, backfill, compaction, and frac-out control. The contractor is responsible for installing pipe marking tape and tracer wire in accordance with the City of Stuart Water and Sewer Standard Specifications and 2014 EPA lead-free brass standards. The final deliverable is a fully tested raw water main system. This opportunity is categorized under NAICS code 221320 and is managed by the Utilities and Engineering agency in Florida, with a response deadline of December 18, 2026.

Utilities and Engineering

POSTED

DEADLINE

WWTF Sludge Removal ServicesThis subcontract for WWTF Sludge Removal Services involves the extraction and removal of sludge from Wastewater Treatment Facilities for prime contractors working on Putnam County School Board projects. The scope of work requires the use of vacuum trucks and specialized pumping equipment to handle the extraction, transportation, and legal disposal of all removed materials, ensuring that systems are delivered empty and cleaned. The project is managed under the Maintenance agency in Florida and falls under NAICS code 221320. All operations must be conducted with District authorization and in strict compliance with environmental regulations governing wastewater transport. The solicitation was posted on November 4, 2026, with a response deadline of December 2, 2026.

POSTED

DEADLINE

RFI 26-089 Operations Maintenance and Rehabilitation (OMR) and Biogas Upgrader Procurement

Solicitation # Doc2463909393

The City of Calgary is issuing Request for Information RFI 26-089 to identify qualified firms or consortia interested in providing Operations Maintenance and Rehabilitation (OMR) services and Biogas Upgrader Offtaker services. The city is seeking industry input to determine the most effective procurement strategy, specifically whether to solicit the OMR Provider and Offtaker as separate standalone roles or to combine them into a single integrated contract. Interested parties must submit their responses by November 30, 2026. This sources-sought opportunity is designed to gather market intelligence to shape the upcoming competitive process for these critical infrastructure roles based in Calgary, Canada.

The City of Calgary

POSTED

10 days ago

DEADLINE

in 16 days

AI Contract Overview

This subcontract for Specialized Water Treatment Equipment Fabrication involves the production and delivery of custom-fabricated replacement components for the Wes Tech C42 Cage Drive system. The scope of work requires the fabrication of replacement cage and rake arms, spiral blades, skimmers, and scum boxes using materials specifically compatible with wastewater environments and compliant with Wes Tech C42 specifications. These components are intended for use by prime contractors on City wastewater facility projects. The contract is managed by the New Mexico Wastewater Division under NAICS code 221320. It was posted on August 28, 2026, with a response deadline of September 30, 2026. The selected provider will be responsible for both the fabrication and the final delivery of all specified equipment to the project site.

General Info

Subcontract for fabricating and delivering custom Wes Tech C42 water treatment equipment components.

Agency

New Mexico → Wastewater Division

NAICS

221320 - Sewage Treatment Facilities

Place of Performance

NM, USA

Set-Aside

NONE

Documents

This scope was carved out of FY27-Const. ITB-009.

The full solicitation package (12 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Primary Clarifier #1 Rehabilitation Project

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 28

subcontract

Response DeadlineSep 30

Deadline has passed

Submission Closed

09/30/2026, 02:00:00 PM MDT

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Organization & Contact Information

AgencyNew Mexico → Wastewater Division

ContactsNo contacts available

OfficeN/A

Organization / AgencyNew Mexico → Wastewater Division

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies custom-fabricated replacement components for prime contractors on City wastewater facility projects, specifically for the Wes Tech C42 Cage Drive system. Fabricates and delivers replacement cage and rake arms, spiral blades, skimmers, and scum boxes using materials compatible with wastewater environments per Wes Tech C42 specifications. Delivers fabricated cage, rake arms, spiral blades, skimmers, and scum box to the site.