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This Subcontract opportunity from Department Of The Interior was posted on August 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Plumbing and Piping Systems Installation

Closed
Federal

Contract Overview

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

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NAICS: 238220
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Install Pier D High Pressure Air System, NSBREM-724-A
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Solicitation N4425527RB003 is a design-build project for the installation of a permanent high pressure air (HPA) system at Pier D, B724A of Naval Base Kitsap in Bremerton, Washington. The scope of work includes the design, construction, and commissioning of the system, specifically incorporating the existing HPA cross connection into a system supplied by HPA compressors on the south end of Pier D. The project requires the installation of HPA shore risers at five specific locations: East bollards 11, 59, and 101, and West bollards 47 and 59. All new piping must be installed under service grates with valves located topside. The project must adhere to Unified Facilities Criteria (UFC), ASME, and MIL-STD101C standards, with the most stringent requirement governing in the event of discrepancies. This is a 100% set-aside for 8(a) businesses located within SBA Region X, with an estimated construction magnitude between $1,000,000 and $5,000,000. The contract is a firm-fixed-price task order under the 8(a) Multiple Award Construction Contract (MACC), with a period of performance of 538 calendar days from award. Award will be based on price and MACC past performance. Key requirements include strict adherence to EM 385-1-1 safety standards, cybersecurity integration per UFC 4-010-06, and rigorous security protocols for base access and personnel identification. Proposals are due by December 1, 2026, via the PIEE portal and must include a completed schedule of prices and a bid guarantee of 20% of the bid price or $3 million, whichever is less.
Bristol Alliance of Companies

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about 2 hours ago

DEADLINE

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NAICS: 238220
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CBP#9772 HVAC Air Handling Unit (AHU) and Ductwork Cleaning Services
Solicitation # CBP#9772
Management & Training Corporation (MTC) is soliciting bids for a fixed-price, single lump sum subcontracting opportunity, CBP#9772, to provide HVAC Air Handling Unit (AHU) and ductwork cleaning services at the Edison Job Corps Center in Edison, New Jersey. The scope of work includes a pre-cleaning inspection with photographic documentation, the thorough cleaning of twelve AHUs and twenty-eight coils across the Kilmer and Edison Dormitories, and the cleaning of supply, return, and outside-air ductwork and air distribution components. Additionally, the contractor is responsible for installing durable, gasketed permanent access panels to ensure future maintenance accessibility while maintaining structural integrity and air-tightness. The estimated contract value ranges from $100,000 to $250,000, with a performance period of 90 consecutive business days following a written Notice to Proceed. Bids must be submitted via email to Wendy Lawrence by 3:00 PM EST on November 17, 2026. To be considered, offerors must complete a mandatory physical site visit, provide a detailed cost breakout on company letterhead, and submit a bid bond guarantee of 20% for bids exceeding $25,000. Award decisions will be based on overall best value. The successful contractor must comply with Davis-Bacon prevailing wage determinations for Middlesex County, maintain a UEI number via SAM.gov, and adhere to various FAR clauses regarding small business utilization, security requirements, and the Buy American Act. Performance and payment bonds from a surety with at least an A- rating are required for awards of $25,000 or more.
Edison Job Corps

POSTED

about 2 hours ago

DEADLINE

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NAICS: 238220
New
MJCC Multiple HVAC Replacement System
Solicitation # mjcc-multiple-hvac-replacement-system
Education & Training Resources is seeking quotes for a subcontracting opportunity to provide turnkey replacement of eight HVAC systems at the Montgomery Job Corps Center in Montgomery, Alabama. The scope of work includes the removal of existing equipment and the installation, testing, and commissioning of new units ranging from 3.5 to 10 tons across Buildings A, B, E, F, and G. Technical specifications require compliance with the National Electrical Code and NFPA Standard No. 101, with specific requirements for certain units including Energy Star certification, a minimum EER rating of 16, 90 percent efficiency furnaces, and the use of R-454B refrigerant. The contractor must provide a 5 to 10 year warranty on parts and a 2 year warranty on workmanship, and must employ testing and balancing services to ensure proper air-flow. Interested bidders must submit a completed bid sheet with a detailed cost breakdown, a proposed performance schedule, Alabama licensing, certificates of insurance, and required vendor paperwork including Form W-9 and FFATA and Anti-Lobbying certifications. The winning bidder must maintain an active SAM.gov registration and a Unique Entity ID. This solicitation is set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certifications. Award selection is at the sole discretion of ETR and is not based solely on the lowest bid. Compliance with the Davis-Bacon Act for prevailing wages and various FAR clauses regarding debarment and the Service Contract Act is mandatory. Bonding requirements are tiered by project value, requiring a 100 percent payment bond for projects over 35,000 dollars and both performance and payment bonds for projects exceeding 150,000 dollars. Bids are due by November 27, 2026, at 12:00 PM CST.
Montgomery Job Corps Center

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about 2 hours ago

DEADLINE

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NAICS: 238220
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Joliet Job Corps-Request for Quote HVAC Replacement Female Dormitory
Solicitation # joliet-job-corps-request-quote-hvac-replacement-female-dormitory
Management and Training Corporation is seeking bids for a fixed-price, single lump sum subcontract to replace ten furnace and air conditioning systems at the Joliet Job Corps Center female dormitories in Illinois. The project includes the removal and disposal of old equipment, the installation of ten new Carrier HVAC systems, and the integration of a Pelican Building Automation System across eleven units. The estimated contract value ranges from $250,000 to $500,000. Bids must be submitted to Frances McGraw by November 23, 2026, and must include a detailed cost breakout, proof of insurance, and a mandatory physical site visit confirmation. This opportunity is set aside for various small business categories, including SBA certified Veteran-Owned, Women-Owned, and HUBZone small businesses. Award decisions will be based on overall best value. Because the project exceeds $25,000, awarded contractors must provide performance and payment bonds, as well as a bid bond guarantee equal to 20 percent of the base bid. The contract is subject to the Davis-Bacon Act, requiring compliance with specific Illinois prevailing wage rates and the submission of weekly certified payroll reports. Additional requirements include adherence to Buy American regulations and the provision of comprehensive manufacturer and installer warranties.
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POSTED

about 2 hours ago

DEADLINE

in 16 days
NAICS: 238220
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Centennial Dry Sprinkler System & Compressor Replacement Services
Solicitation # centennial-dry-sprinkler-system-compressor-replacement-services
Management & Training Corporation is soliciting bids for a fixed-price, single lump sum subcontract to provide dry-type sprinkler system and compressor replacement services at the Centennial Job Corps Center in Nampa, Idaho. The project focuses on eliminating severe piping leaks and replacing failing infrastructure in Building CM (Men's Dormitory), Building CW (Women's Dormitory), and Building D (Recreation). The scope of work includes the demolition and removal of the existing distribution piping network and air compressors, followed by the installation of a new code-approved piping network and properly sized air compressor in accordance with NFPA 25 standards. The awarded contractor must complete all work within 30 consecutive business days following a written Notice to Proceed. Bids are due by December 1, 2026, and must include a detailed cost breakout covering materials, labor, associated fees, and overhead. A physical site visit is mandatory prior to bid submission. For bids equal to or greater than $25,000, a bid bond of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from an A-rated surety company. Evaluation is based on overall best value and bidder responsiveness. The contract is subject to various federal regulations, including the Davis-Bacon Act for prevailing wages and FAR requirements for small business utilization and subcontractor disclosure. Contractors must provide a 12-digit Unique Entity ID (UEI) and submit an SF 1413 Statement and Acknowledgement form. Final payment is contingent upon a successful final inspection, submission of a final certified payroll report, and the delivery of two complete sets of operation and maintenance manuals. This opportunity is set aside for HUBZone, Woman-owned, and Service-Disabled Veteran-owned small businesses.
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about 2 hours ago

DEADLINE

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NAICS: 238220
New
Dorm Hot Water Tank Replacement – Glenmont Job Corps Center – S26-006
Solicitation # S26-006
Adams and Associates, Inc. is seeking qualified mechanical and plumbing contractors for a subcontracting project at the Glenmont Job Corps Center in Glenmont, New York. The scope of work involves the removal and disposal of four existing 505-gallon domestic hot water storage tanks and the installation of four new 500-gallon insulated storage tanks, with two tanks serving the North and South Dormitories respectively. Additionally, the contractor must replace four heat exchangers and install one new bronze Bell and Gossett circulator pump in the North Dormitory. Comprehensive services required include piping modifications using ProPress materials, electrical disconnections and reconnections, insulation matching existing standards, rigging, and the provision of a temporary hot water heater to ensure the facility remains operational during the estimated 2.5 to 3 week construction period. Proposals are due by November 9, 2026, at 4:00 PM ET, following a pre-proposal site walkthrough on October 29, 2026. Award selection is based on a weighted evaluation of price (60%), quality (20%), past performance (10%), and schedule (10%), meaning the lowest price does not guarantee selection. Contractors must comply with New York State statutory insurance requirements, Davis-Bacon prevailing wage determinations, and strict center security and safety protocols, including a prohibition on fraternization with students. Required submission documents include a completed vendor questionnaire with UEI and NAICS code, a current W-9, and applicable New York State licenses. Payment terms are Net 30 days upon completion and receipt of invoice.
Adams and Associates, Inc.

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about 2 hours ago

DEADLINE

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NAICS: 238220
New
Inland Empire Job Corps-Request for Quote HVAC Replacement Cafeteria & OA CTS
Solicitation # inland-empire-job-corps-request-quote-hvac-replacement-cafeteria-oa-cts
Management & Training Corporation (MTC), acting as the operator for the U.S. Department of Labor, is seeking bids for a fixed-price, single lump sum subcontract to replace packaged HVAC units with gas heating at the Inland Empire Job Corps Center in San Bernardino, California. The project focuses on the Cafeteria and OA/CTS areas and includes the removal of existing units per EPA refrigerant regulations, installation of high-efficiency units at ground or rooftop locations, and the modification of gas piping, ductwork, and electrical disconnects. The estimated contract value ranges from $25,000 to $100,000, with a performance period of 60 consecutive business days following the written Notice to Proceed. Bids are due by November 23, 2026, and must be submitted to Fran McGraw. To be considered, bidders must complete a mandatory site visit and provide a detailed cost breakout on company letterhead, including equipment specifications and energy efficiency data. For bids of $25,000 or more, a bid bond of 20% is required, and the awarded contractor must provide performance and payment bonds from a surety company with at least an A- rating. The project is subject to Construction Wage Rate Requirements, necessitating compliance with California prevailing wages and the submission of worker classifications. Eligible bidders include small businesses, including certified VOSB, SDVOSB, WOSB, and HUBZone entities, who must provide a Unique Entity ID and a completed MTC Supplier Packet. Award decisions will be based on overall best value. Contract administration requires the use of AIA documents for invoicing, with a 10% retainage withheld until substantial completion. Contractors must also adhere to OSHA safety standards, provide a Certificate of Insurance, and comply with various FAR clauses, including Buy American and anti-trafficking regulations.
Inland Empire Job Corps

POSTED

about 2 hours ago

DEADLINE

in 16 days
NAICS: 238220
New
CBP7792 Cafeteria Hot Water Heater Replacement
Solicitation # CBP7792
Management and Training Corporation is seeking bids for a fixed-price, single lump sum subcontract to replace a failing commercial natural gas-fired water heater at the Sierra Nevada Job Corps Center in Reno, Nevada. The project requires a licensed plumbing contractor to isolate, remove, and dispose of the existing unit and install a new commercial-grade 125-gallon natural gas-fired water heater with equivalent input and storage capacity. The estimated price range for this effort is between 25,000 and 100,000 dollars. Award will be based on overall best value, with evaluation factors including price, quality, delivery schedule, and relevant experience. Bidders must submit a signed bid form and a detailed cost breakout on company letterhead, including itemized labor, materials, and equipment specifications. For bids equal to or exceeding 25,000 dollars, a bid bond of 20 percent is required, and the awarded contractor must provide performance and payment bonds from an A-rated surety. The project is subject to federal regulations, including the Davis-Bacon Act and specific wage determinations for Washoe County, Nevada, as well as FAR clauses regarding small business utilization, minimum wages, and restrictions on foreign purchases. Contractors are responsible for all required inspections, site cleanup, and the provision of operation and maintenance manuals and warranty documentation. Payment will be processed via pay applications using AIA G702 and G703 forms, with a payment term of ten days after receipt for Job Corps center operations. Awarded contractors must possess a Unique Entity ID and adhere to strict confidentiality and security guidelines regarding government facilities and participant information.
Sierra Nevada Job Corps Center

POSTED

about 2 hours ago

DEADLINE

in 18 days

AI Contract Overview

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This subcontract opportunity, titled Plumbing and Piping Systems Installation, is issued by the Department of the Interior under the Ibc Acq Svcs Directorate. The scope of work involves the installation of potable water, sanitary waste, and storm drainage systems, all of which must be completed in accordance with applicable local codes. The project is categorized under NAICS code 238220. This procurement is designated as a Historically Underutilized Business Zone set-aside. Interested parties must submit their responses by the deadline of September 4, 2026, at 8:00 PM. The solicitation was officially posted on August 24, 2026.

General Info

HUBZone subcontract for plumbing and piping installation due September 4, 2026.

NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors

Place of Performance

VA

Set-Aside

HZC

Documents

This scope was carved out of 140D0426R0115.

The full solicitation package (10 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

R--Mission Support Services

AI Contract Breakdown

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyDepartment Of The Interior → Ibc Acq Svcs Directorate (00004)
ContactsNo contacts available
OfficeN/A
Office AddressN/A
ContactsNo contact information available

Full Description

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Installation of potable water, sanitary waste, and storm drainage systems in accordance with local codes.

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NAICS: 238990
New
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Y--Scaffolding for Repair and Repoint Chalmette Monum
Solicitation # 140D0427Q0915
Solicitation 140D0427Q0915 is a firm-fixed-price commercial construction contract issued by the Department of the Interior's Interior Business Center on behalf of the National Park Service Historic Preservation Training Center. The project requires a contractor to design, erect, maintain, and dismantle OSHA-compliant scaffolding at the Chalmette Monument in New Orleans, Louisiana. The scaffolding must provide full access to a 100-foot-tall, 6,800-square-foot stone obelisk to facilitate masonry repairs over a three-month stabilization window. Key technical requirements include the submission of engineered stamped shop drawings, the installation of debris netting on all four sides, and five platform decks capable of supporting 3,000 pounds for water tank storage. Notably, drilling or attaching the scaffold directly to the stone surface is strictly prohibited. This opportunity is a total small business set-aside under NAICS code 238990, with a business size standard of 19 million dollars. The period of performance is 150 days from the Notice to Proceed. Award decisions will be based on a best value trade-off, where non-price factors—specifically the technical and engineering approach and past performance—are more important than price. Technical evaluations will focus on the schematic scaffold plan and the ability to meet installation dates. Proposals must be submitted in two separate volumes, with Volume I limited to 25 pages. The contract is subject to the Davis-Bacon Act and requires performance and payment bonds, as well as insurance per FAR 52.228-5. Invoicing must be processed electronically through the Invoice Processing Platform.
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NAICS: 481211
New
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V--USWFS EU T3 Helo Fire - Fort Wainwright, AK
Solicitation # 140D0426R0114
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NAICS: 713950
New
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Bowling Alley Maintenance and Repairs - AFRH - Gul
Solicitation # 140D0427Q0911
The Department of the Interior, through the Interior Business Center, is soliciting a Firm-Fixed-Price contract for bowling alley maintenance and repairs at the Armed Forces Retirement Home (AFRH) in Gulfport, Mississippi. This 100% Small Business Set-Aside, specifically designated for local vendors, covers a total performance period from December 9, 2026, to December 8, 2031, consisting of a 12-month base period and four 12-month option periods. The contractor is responsible for providing all supervision, labor, and tools to perform weekly preventive maintenance, including the servicing of pinsetters and ball returns, as well as the oiling and stripping of lanes. All work must adhere to manufacturer specifications, and any repairs identified during the annual United States Bowling Congress Lane Inspection must be completed within 24 hours. Award will be based on a Best Value Trade-Off process where non-price factors, such as the technical approach to maintenance and the ability to provide qualified personnel, are significantly more important than price. To be eligible for award, offerors must receive a minimum rating of satisfactory on all non-price factors. Performance will be monitored via a Quality Assurance Surveillance Plan using a spot-check evaluation method, and any unacceptable performance must be corrected within 24 hours. Invoicing must be processed electronically through the Invoice Processing Platform System, with a requirement to prioritize the use of on-hand inventory before purchasing original equipment manufacturer replacement parts.
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NAICS: 481211
New
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USWFS EU T2 Helo Fire - Fort Wainwright, AK
Solicitation # 140D0427R0119
Solicitation 140D0427R0119 is a 100% small business set-aside request for proposal issued by the Department of the Interior for commercial aviation services. The contract requires one contractor-operated and maintained exclusive use rotary wing aircraft to support natural resource and fire suppression missions at Fort Wainwright, Alaska. This is a single-award Indefinite Delivery Indefinite Quantity (IDIQ) contract with a base period of performance from May 1, 2027, to April 30, 2032, and a potential six-month extension. The government will utilize a tradeoff analysis for award, prioritizing technical capability, organizational safety, and past performance over the total evaluated price. The scope of work includes providing a fully compliant helicopter and qualified pilots, adhering to strict maintenance and safety standards such as NFPA 10 and NFPA 407. Pricing is structured with firm fixed unit prices for daily availability and flight hours, while additional items like fuel servicing vehicle mileage and per diem are reimbursed as time and materials. Contractors must comply with specific aircraft and vehicle marking requirements and are subject to inspections by the USWFS Aviation Operations and Management Technical Inspector. Proposals must be submitted electronically by December 18, 2026, and must include detailed questionnaires regarding pilot qualifications, aircraft specifications, and safety management systems.
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NAICS: 481211
New
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V--USWFS Exclusive Use Smokejumper Aircraft Dash 8
Solicitation # 140D0427R0118
The Department of the Interior, through the Interior Business Center, is soliciting proposals for two contractor-operated and maintained exclusive use fixed-wing, turbine-powered multi-engine land airplanes, specifically Dash 8 aircraft, to support USWFS smokejumper operations in Alaska and Idaho. This acquisition is a 100 percent small business set-aside under NAICS code 481211. The period of performance is scheduled from April 1, 2027, to March 31, 2032. Required aircraft must be SASES approved and certified under 14 CFR Part 135, with a minimum payload of 6,500 pounds and seating configurations for either 30 passengers or 16 smokejumpers and two spotters. Contractors must provide highly qualified flight crews, including a Smokejumper Instructor Pilot available within 24 hours of a request. Pilots must meet strict FAA certification and medical requirements, and Pilot-in-Command candidates must have previously held an interagency smokemaker and paracargo card and attended NAFTA training within the last three years. The government will award the contract based on a best-value tradeoff analysis evaluating technical capability, organizational safety, past performance, and total evaluated price. Proposals are due by December 2, 2026, and must be submitted in four distinct volumes covering the offer, technical capability, organizational safety, and past performance.
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