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Harrington Engineering Inc.P.O. Box 819 Old Saybrook, CT 06475

UEI: SLED_3AD4AE8C0D08A537

Harrington Engineering Inc.P.O. Box 819 Old Saybrook, CT 06475 is a federal contractor, registered under UEI SLED_3AD4AE8C0D08A537. It has been awarded $99,294 across 1 federal contract. Primary work spans Plumbing, Heating, and Air-Conditioning Contractors. Top awarding agencies include Cg ACADEMY(00039).

Contact Information

Registration and classification details

Registration

UEI Code

SLED_3AD4AE8C0D08A537

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

Key Performance Metrics

Awards Count

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Award Analytics & Distribution

Awards by Agency

Cg ACADEMY(00039)$99.3K100%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$99.3K100%

Awards by Agency Over Time

Awards by Place of Performance

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1011 Turk Street Switchboard, UPS2, and HVAC Replacement

Solicitation # 1011-turk-street-switchboard-ups2-hvac-replacement

The City of San Francisco Public Works is seeking bids for the 1011 Turk Street Switchboard, UPS2, and HVAC Replacement project located in San Francisco, California. This solicitation, identified by Sourcing Event ID No. 0000011919, focuses on critical infrastructure upgrades including the replacement of electrical switchboards, uninterruptible power supplies, and heating, ventilation, and air conditioning systems. Managed through Anderson Pacific Engineering Construction, Inc., this opportunity is designated as a Small Business set-aside under NAICS code 238220. Interested parties must submit their responses by the deadline of October 14, 2026. Inquiries regarding the project can be directed to the Estimating Department at Anderson Pacific Engineering Construction.

Anderson Pacific Engineering Construction, Inc.

POSTED

about 2 hours ago

DEADLINE

Replace HVAC Systems in the following buildings on our campus –1.) 1091 – Glazing/Welding/Heavy Mechanics Bldg

Solicitation # 26-140

Adams & Associates, Inc. is soliciting bids for a single lump sum contract to replace a failing pad-mounted gas-fired packaged HVAC unit at the Atterbury Job Corps Center in Edinburgh, Indiana, specifically within the Glazing, HEO, and Welding building. The project requires replacing an existing 10-ton Carrier unit with a new 12.5 SEER packaged unit utilizing non-R22 refrigerants, such as R-410A or R-454B. The contractor will reuse existing electrical disconnects, ductwork, and thermostat wiring. As part of the project closeout, the old unit and any recovered refrigerant must be labeled and left at the maintenance building for parts. Prospective bidders must attend a mandatory site visit on September 23, 2026, and submit typed proposals on company letterhead by October 5, 2026. Requirements for submission include a detailed cost breakdown, a timeline for substantial completion, proof of a valid Indiana Contractor's License, and active SAM.gov registration with a Unique Entity ID. Award decisions will be based on best value, weighted by price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). The contractor must comply with EPA and OSHA regulations, as well as Davis-Bacon Act wage determinations and FAR 52.222-41(g). Mandatory insurance includes workers compensation and automobile liability with Adams and Associates, Inc. named as an additional insured. Deliverables include a sequenced construction schedule due within 10 days of the Notice to Proceed, a one-year workmanship guarantee, and the submission of certified payroll records and a completed SF 1413 prior to final payment. Payment terms are Net 30.

Adams & Associates, Inc.

POSTED

about 2 hours ago

DEADLINE

CBP#3980 Cast Iron Replacement (Truth Dorm)

Solicitation # CBP#3980

Management & Training Corporation (MTC) is soliciting fixed-price, lump sum bids for the CBP#3980 Cast Iron Replacement project at the Charleston Job Corps Center in Charleston, West Virginia. The scope of work involves providing all labor, materials, and supervision to remove and replace damaged 4-inch no-hub cast-iron sanitary piping and stacks within Room H-121 and potentially rooms H-136, H-138, H-140, and H-142. Key tasks include installing temporary debris barriers, demolishing approximately 40 cinder blocks for access, replacing the piping in accordance with plumbing codes, and restoring the walls to a paint-ready surface. The estimated price range for the project is between $25,000 and $100,000, with awards based on overall best value. Bids are due by October 5, 2026, and must include a signed bid sheet, a detailed cost breakout on company letterhead, and a bid bond guarantee of 20 percent if the bid is $25,000 or more. A physical site visit and signature on the attendance roster are mandatory prerequisites for submission. Awarded contractors must provide performance and payment bonds for 100 percent of the contract price if the bid meets or exceeds $25,000. Compliance with Davis-Bacon Act prevailing wages, FAR regulations, and the submission of a Unique Entity ID (UEI) and SF 1413 form are required. This opportunity is set aside for various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses.

Management & Training Corporation

POSTED

about 2 hours ago

DEADLINE

Replace HVAC Systems in the following buildings on our campus –1.) ABL Dormitory

Solicitation # 26-141

Adams & Associates, Inc., operating for the U.S. Department of Labor, is soliciting a single lump sum subcontract for the replacement of HVAC systems at the Atterbury Job Corps Center ABL Dormitory in Edinburgh, Indiana. The project requires replacing eight vertical up-flow gas-fired furnaces with DX-coils and matched Bryant air-cooled condensing units with new 12.5 SEER packaged units utilizing non-R22 refrigerants, such as R-410A or R-454B. The contractor will reuse existing electrical disconnects, ductwork, and thermostat wiring, and must label and leave all recovered refrigerant on-site. All work must comply with EPA and OSHA regulations, as well as state and local building codes, with Indiana regulations prevailing if they are more stringent than federal standards. Prospective bidders must attend a mandatory site visit on September 23, 2026, and submit typed proposals on company letterhead by October 5, 2026. Required submission documents include a detailed cost breakdown, a timeline for substantial completion, a 90-day bid guarantee, a W9, a completed vendor questionnaire, and proof of a valid Indiana Contractor's License. Vendors must maintain an active SAM.gov registration and a Unique Entity ID (UEI). Award will be based on best value, evaluated by price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). The contractor must provide proof of automobile liability, workers compensation, and liability insurance, naming Adams and Associates, Inc. as an additional insured. Performance must begin within 14 days of the Notice to Proceed, and a sequenced construction schedule is due within 10 days of that notice. Final payment is subject to Net 30 terms and requires the submission of a completed SF 1413, certified payroll records, release of liens, and a subcontractor's release of claims.

Adams & Associates, Inc.

POSTED

about 2 hours ago

DEADLINE

CBP#9772 HVAC Air Handling Unit (AHU) and Ductwork Cleaning Services

Solicitation # CBP#9772

Management & Training Corporation (MTC) is seeking bids for a fixed-price, lump sum subcontracting opportunity to provide comprehensive HVAC air handling unit (AHU) and ductwork cleaning services at the Edison Job Corps center in Edison, New Jersey. The project involves the cleaning of twelve AHUs and associated components across two dormitory facilities, including vacuuming, mechanical brushing, and the cleaning of all accessible heating and cooling coils. Bids are estimated between $100,000 and $250,000, with a submission deadline of October 16, 2026, at 3:00 PM EST. This opportunity is set aside for small businesses, including SDB, WOSB, HUBZone, and VOSB certifications. Award will be based on overall best value, and bidders must complete a mandatory physical site visit and sign an attendance roster to be considered. Required submission materials include a detailed cost breakout on company letterhead, three comparable references, proof of insurance, and a completed MTC Supplier Packet containing a W-9 and self-certification. For bids equal to or exceeding $25,000, a bid bond of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from a surety company with at least an A- rating. The contract is subject to several federal regulations, including the Davis-Bacon Act and specific wage determinations for Middlesex County, New Jersey. Contractors must submit weekly certified payroll reports and an SF 1413 Statement and Acknowledgment. Compliance with FAR clauses regarding first-tier subcontractor information for awards over $40,000, the Buy American Act, and OSHA 30 CFR 1929 safety rules is mandatory. Performance will begin upon the issuance of a Notice to Proceed, and final acceptance is contingent upon a visual inspection by the center to ensure all contaminants are removed and units are fully operational.

Management & Training Corporation

POSTED

about 2 hours ago

DEADLINE

Replace HVAC Systems in the following buildings on our campus –1.) ABL Dormitory

Solicitation # 26-141

Adams and Associates, Inc., operating for the U.S. Department of Labor, is soliciting a single lump sum contract to replace the HVAC systems at the Atterbury Job Corps Center ABL Dormitory in Indiana. The project requires replacing existing R-22 Bryant air-cooled condensing units and coils serving common areas and dormitory wings A, B, C, and D with new 12.5 SEER packaged units utilizing non-R22 refrigerants such as R-410A or R-454B. The contractor will reuse existing electrical disconnects, ductwork, and thermostat wiring, and must ensure all recovered refrigerant is labeled and left on-site. Work must comply with EPA, OSHA, and Indiana state and local codes, with a requirement to start within 14 days of the Notice to Proceed. Eligible offerors must be registered in SAM.gov with a valid Unique Entity ID and hold a valid Indiana Contractor's License. A mandatory site visit was scheduled for September 23, 2026, with proposals due by October 5, 2026. Award decisions are based on best value, evaluated across price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Required documentation includes a detailed cost breakdown, a 90-day bid guarantee, and certification of compliance with Davis-Bacon Act wage rates. Final payment is subject to Net 30 terms and the submission of a completed SF 1413, certified payroll records, and a release of liens.

Adams & Associates, Inc.

POSTED

about 2 hours ago

DEADLINE

DORM DUCT & EXHAUST FAN CLEANING

Solicitation # WL - 26 - 008

Solicitation WL-26-008 is a subcontracting opportunity for the cleaning of bathroom exhaust ducts and exterior roof-mounted exhaust fans across four dormitories at the Woodland Job Corps Center in Laurel, Maryland. Operated by Adams and Associates, Inc. for the U.S. Department of Labor, the project requires a single lump sum bid covering all labor, materials, and equipment. The award will be based on best value, with evaluation weights assigned to price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Proposals are due by October 9, 2026, and a mandatory site visit was scheduled for September 25, 2026. Eligible vendors must be registered in SAM.gov and provide a W-9, a valid Maryland contractor's license, and specific insurance coverages, including automobile liability and workers' compensation, naming Adams and Associates, Inc. as an additional insured. The contractor must comply with EPA, OSHA, and FAR wage determination regulations, with Maryland state laws prevailing if more stringent. Key deliverables include a dated punch list, manufacturer's warranties, and operating manuals. Work must commence within 14 days of a Notice to Proceed, and all workmanship is guaranteed for one year. Payment terms are Net 30.

Adams & Associates\Woodland Job Corps Center

POSTED

about 2 hours ago

DEADLINE

CBP6404 Bldg. 63B Drain Replacement

Solicitation # CBP6404

Management & Training Corporation (MTC) is soliciting bids for a fixed-price, single lump sum subcontracting opportunity to perform plumbing services at the San Diego Job Corps Center in Imperial Beach, California. The project, identified as CBP6404, involves repairing three root intrusions in the student restroom sanitary piping system of Building 63B. The scope of work includes all necessary labor, materials, and equipment for excavation, piping replacement, backfilling, compaction, and the restoration of concrete surfaces. Deliverables include functional repairs, verified leak testing, two sets of operation and maintenance manuals, and manufacturer and installer warranties. The estimated price range for the project is between 0 and 25,000 dollars. Bids must be submitted by October 13, 2026, at 3:00 PM PST, and must include a signed MTC Bid for Lump Sum Contract form and a detailed cost breakout on company letterhead. A physical site visit and signature on the attendance roster are mandatory prerequisites for bid submission. For bids equal to or greater than 25,000 dollars, a bid bond of 20 percent of the base bid is required, and the awarded contractor must provide performance and payment bonds from a surety company with at least an A- rating. Award decisions will be based on overall best value. The contract is subject to various federal regulations, including the Construction Wage Rate Requirements (formerly Davis-Bacon Act), requiring compliance with prevailing wage rates for San Diego County. Contractors must adhere to FAR clauses regarding small business representation, the Buy American Act, and the Trafficking in Persons regulations. Additionally, first-tier subcontractors with awards exceeding 30,000 dollars must disclose their debarment and suspension status per FAR 52.209-6. Performance will take place during regular center work hours, with start and completion dates to be determined during a required pre-construction meeting following the issuance of a Notice to Proceed.

San Diego Job Corps Center

POSTED

about 2 hours ago

DEADLINE

Berm Drainage and Filtration InstallationThis subcontract for Berm Drainage and Filtration Installation involves the installation of internal and external drainage systems for prime contractors working on Lytton First Nation recovery berm projects. The scope of work includes the installation of 150mm perforated PVC toe and heel drains, vertical cleanouts, and rodent guards, as well as the construction of a chimney drain using clear crush material in accordance with specific IFR drawing details. The ultimate objective is the delivery of a fully functional toe, heel, and chimney drainage system. The project is associated with the Province of British Columbia and the Lytton First Nation, falling under NAICS code 238220. The solicitation was posted on October 2, 2026, with a response deadline set for October 22, 2026.

Lytton First Nation

POSTED

about 19 hours ago

DEADLINE

High-Capacity Test Pump Equipment Supply and InstallationThis subcontract agreement involves the supply and installation of high-capacity pumping equipment for prime contractors working on Orem City well development projects in Utah. The scope of work requires the installation of a 5,000 gpm turbine pump system at a depth of 350 feet, which must include discharge piping, a centrifugal sand separating meter, and a metering device maintaining an accuracy of +/- 2%. To ensure operational safety, the contractor is also responsible for installing drive shaft enclosures. The ultimate objective of the contract is the delivery of a fully installed and operational test pumping system. Interested parties must submit their responses by October 22, 2026, in accordance with the solicitation posted on October 2, 2026. The project falls under NAICS code 238220.

POSTED

about 20 hours ago

DEADLINE

Laboratory Plumbing & Specialized PipingThis subcontract involves the installation of laboratory-grade plumbing and specialized piping for prime contractors working on Florida Department of Agriculture and Consumer Services laboratory projects in Tallahassee. The scope of work covers five scientific divisions and includes the installation of vacuum systems, specialized gas lines, chemical-resistant waste piping, lab sinks, and emergency shower and eyewash stations. The goal is to deliver fully tested laboratory utility systems that adhere to strict plumbing codes and material standards. Qualified providers must possess specific expertise in chemical-resistant materials and laboratory plumbing regulations. Additionally, all personnel are required to pass FDLE Level 1 background checks to ensure security compliance. This opportunity falls under NAICS code 238220, with a response deadline set for November 9, 2026.

Department of Agriculture and Consumer Services

POSTED

about 21 hours ago

DEADLINE

in about 1 month

Specialized Laboratory HVAC & Mechanical SystemsThis subcontract involves the installation and commissioning of high-performance HVAC and mechanical systems for Florida Department of Agriculture and Consumer Services laboratory projects in Tallahassee. The scope of work focuses on critical infrastructure for scientific divisions, including the implementation of HEPA filtration, exhaust scrubbing, climate control, and precise pressure control systems for both positive and negative pressure environments. All installations must strictly adhere to BSL-2 and BSL-3 biosafety standards to ensure a certified air-handling system. Due to the sensitive nature of the facilities, all personnel are required to pass FDLE Level 1 background checks. Interested parties must submit their responses by November 9, 2026.

Department of Agriculture and Consumer Services

POSTED

about 21 hours ago

DEADLINE

in about 1 month

Pool Filter Installation and CommissioningThis subcontract for the City of Delta in British Columbia involves the installation and commissioning of a new vertical sand filter system. The scope of work includes the removal of existing filter units and the installation of a vertical sand filter equipped with PVC Schedule 80 piping, valves, fittings, pressure gauges, and an inline flow meter. The final deliverable is a fully installed, tested, and commissioned pool filtration system. Qualified candidates must provide personnel with at least five years of experience and appropriate trade certification. The solicitation was posted on October 2, 2026, with a response deadline of October 22, 2026. This project falls under NAICS code 238220 and is intended for prime contractors working on City of Delta facility projects.

POSTED

about 21 hours ago

DEADLINE

Pool Filter Replacement - Ladner Outdoor Pool

Solicitation # 26-192

The City of Delta is seeking a qualified contractor for a turnkey project to supply, install, and commission a new pool filter at the Ladner Outdoor Pool located in British Columbia. The scope of work involves replacing the existing unit with a vertical sand filter, with a preference for an Astral Vertical Filter, and includes the installation of PVC Sched 80 piping, valves, fittings, and an inline flow meter. The project requires the environmentally approved disposal of old sand and the filter, as well as potential removal and replacement of the roof and roofing substructure to facilitate a vertical drop installation. All roofing work must be performed by an RCABC approved contractor and inspected by an RCABC roofstar inspector. The new system must be seismically restrained and utilize No. 20 silica sand and gravel, though bidders may provide optional pricing for AFG Glass Media. Bids must be submitted in a single PDF file by October 22, 2026, with pricing provided as a firm all-inclusive lump sum in Canadian funds, exclusive of GST. Evaluation factors include pricing, relevant experience, a detailed work plan, and the qualifications of personnel and engineers, who must be registered to practice in British Columbia. Successful bidders and subcontractors must possess at least five years of experience and provide a Delta Business License and a WorkSafeBC clearance letter. The target installation window is from February 14, 2027, to March 31, 2027, with a mandatory completion deadline of March 31, 2027. Payment terms are set at 30 days from the receipt of invoice or satisfactory delivery of services.

POSTED

about 21 hours ago

DEADLINE

Irrigation System Maintenance & ManagementThis subcontract for Irrigation System Maintenance and Management involves providing technical maintenance and monitoring for irrigation systems on Howard Community College athletic field projects. The selected provider will support prime contractors by executing critical seasonal tasks, including spring start-ups, line pressurization, clock settings, and winterization blow-outs to ensure the systems remain fully operational. The scope of work requires a consistent maintenance schedule consisting of weekly visual inspections and three comprehensive annual system assessments. This opportunity is categorized under NAICS code 238220, with a response deadline set for November 4, 2026.

Howard Community College

POSTED

about 22 hours ago

DEADLINE

in about 1 month

Commercial Refrigeration Maintenance and RepairThis subcontract for Commercial Refrigeration Maintenance and Repair involves providing specialized technical services for Dorchester School District Two in South Carolina. The scope of work includes the maintenance, troubleshooting, and repair of condensing units, reach-in refrigerators, walk-in coolers, and freezers. Specifically, the contractor will service equipment from brands such as Trenton, Beverage Aire, Master-Bilt, and Kolpak, utilizing professional methods for compressor repair, refrigerant charging, and leak detection. To qualify for this engagement, the contractor must maintain EPA Section 608 Certification and ensure full compliance with OSHA CFR 1910.1200 standards. The primary deliverables for the project are the provision of fully operational refrigeration units and the submission of detailed maintenance logs. Interested parties must respond by October 28, 2026.

Dorchester School District Two

POSTED

about 22 hours ago

DEADLINE

Irrigation System Installation & RepairThis subcontract for the Paulding County Government involves the installation, programming, and maintenance of automatic irrigation systems at the Watson Complex. The selected contractor will work under prime contractors to perform specialized tasks including trenching for PVC piping, installing irrigation controllers and sprinkler heads, and conducting necessary leak detection and repairs. The scope of work requires the use of pipe fusion tools and trenchers to ensure a fully operational system, culminating in the delivery of detailed coverage maps. The project is categorized under NAICS code 238220 and was posted on October 2, 2026. Interested parties must submit their responses by the deadline of October 30, 2026, at 3:30 PM. This engagement focuses on providing comprehensive irrigation infrastructure and ongoing technical support to maintain the grounds of the specified county facility.

Paulding County Government

POSTED

about 22 hours ago

DEADLINE

CNG Fueling System Technician / Maintenance SubcontractorThis subcontract opportunity is for a CNG Fueling System Technician to provide routine and emergency maintenance, repairs, and operations for CNG fill site equipment. Supporting prime contractors on projects for the City of Salt Lake City Waste and Recycling Division, the selected subcontractor will be responsible for ensuring the functionality of fueling systems and conducting annual station safety condition assessments using specialized high-pressure gas test equipment. Key requirements include Rocky Mountain Gas Association certification for all personnel working on natural gas piping. The successful contractor will be expected to deliver fully maintained fueling systems and detailed safety assessment reports. Interested parties must respond by November 3, 2026.

POSTED

about 23 hours ago

DEADLINE

in about 1 month