This Solicitation opportunity from Maine was posted on September 10, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Commercial Rooftop Air Conditioning Unit Replacements

Closed

11-26State & Local

Submission Closed09/30/2025, 12:00:00 AM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 238220

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Plumbing and Piping Systems InstallationThe contract calls for the installation of sanitary, storm, and water supply piping along with associated fixtures and plumbing systems, covering all necessary components to ensure full functionality and compliance with applicable standards. This subcontract is part of a larger infrastructure effort managed by the Tennessee General Services - CPO and is identified under NAICS code 238220, which pertains to plumbing, heating, and air-conditioning contractors. The work is expected to be performed at an unspecified location within Tennessee, with no detailed place of performance provided. Responses to this solicitation must be submitted by July 17, 2026, at 8:00 PM Eastern Time, following the posting of the opportunity on July 2, 2026. Interested parties should review the official procurement portal for the full bid details and submission requirements, as no point of contact or set-aside information is included in the contract data. The absence of specific geographic details and contact information suggests that further clarification may be needed directly through the Tennessee General Services website.

Tennessee General Services - CPO

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HVAC System InstallationThe contract titled HVAC System Installation pertains to the comprehensive installation of heating, ventilation, and air conditioning systems, encompassing all necessary components such as ductwork, units, and control systems. It is structured as a subcontract under NAICS code 238220 and is being managed by the Tennessee General Services - CPO, operating under the state of Tennessee. The solicitation was posted on July 2, 2026, with a response deadline of July 17, 2026, at 8:00 PM, allowing interested parties a two-week window to submit bids. The place of performance and specific location details have not been declared, and no set-aside provisions or organization type classifications are indicated. Interested contractors must review the official invitation to bid via the provided Tennessee General Services website for full submission guidelines and requirements.

Tennessee General Services - CPO

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DEADLINE

CCTV and Security Systems InstallationThe contract involves the design and installation of CCTV security cameras and police call boxes on a bridge, with a focus on ensuring connectivity and integration with the Department of Conservation and Recreation (DCR) systems. This project is managed by the Massachusetts Department of Transportation (MassDOT) and pertains to work taking place in District 4. It requires expertise in electrical and communications installation services, as indicated by the NAICS code 238220. The solicitation was posted on June 26, 2026, and the response deadline was set for the same date, indicating a tight bidding window. This contract is categorized as a subcontract and does not specify any set-aside types or organization preferences. The installation aims to improve security infrastructure on the bridge, enhancing surveillance capabilities and emergency communication through integration with existing public safety systems.

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CCTV and Security Monitoring System InstallationThe contract pertains to the design and installation of a comprehensive CCTV and security monitoring system to enhance bridge monitoring and public safety within District 4 under the Massachusetts Department of Transportation. The scope includes the integration of fiber optic communication networks and dedicated power supply infrastructure to ensure reliable, high-definition video surveillance and continuous system operation. This effort is aimed at improving real-time monitoring capabilities, enabling proactive response to incidents, and supporting long-term infrastructure integrity assessments on critical transportation structures. All work must be completed in accordance with state and federal safety and technical standards applicable to public infrastructure projects. The contract is classified under NAICS code 238220, indicating it is a subcontract focused on electrical and wiring installations. It is not subject to a specific set-aside designation and was posted on June 26, 2026, with a response deadline set for the same date, suggesting it may reflect an internal or procedural posting rather than a competitive solicitation. The place of performance is restricted to District 4, and the system must be fully operational and integrated with existing state transportation monitoring frameworks. The project emphasizes durability, low maintenance, and seamless connectivity to support the department’s broader public safety and asset management goals.

Massachusetts Department of Transportation

POSTED

DEADLINE

Plumbing and Piping Systems InstallationThis contract involves the installation of potable water, waste, vent, and gas piping systems for both residential and commercial buildings. It is a subcontract opportunity managed by the Tennessee Department of Transportation, with work to be performed in Bedford. The contract falls under the NAICS code 238220, which relates to plumbing, heating, and air-conditioning contractors. The solicitation and response deadline are both set for June 26, 2026. The scope covers comprehensive plumbing and piping installations essential for building infrastructure, supporting water supply, drainage, ventilation, and gas distribution. Although no set-aside type or specific organization type is indicated, the contract represents a significant opportunity for qualified subcontractors specializing in these systems. Further details and proposal submissions can be accessed through the Tennessee Department of Transportation’s bidding portal.

Tennessee Department of Transportation

POSTED

in 1 day

DEADLINE

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AI Contract Overview

The City of South Portland is soliciting sealed proposals for the replacement of commercial rooftop air conditioning units, with a response deadline set for 2:00 P.M. on Tuesday, September 30, 2025. Proposals must be submitted electronically to the designated email address with the subject line Bid #11-26, and late submissions will not be accepted. Vendors are required to be registered with the City to participate, and registration can be confirmed through direct receipt of the bid document from the City or by downloading it from the City’s official bidding website. All proposals must include the specified proposal forms and will be valid for sixty days following the bid opening. Questions regarding the bid must be submitted in writing to the Purchasing Agent at least five business days prior to the deadline; responses that significantly alter the bid will be issued as written addenda to all registered bidders. Oral explanations or interpretations before contract award are not binding. The contract size ranges from $500,000 to $2,000,000, and the project is managed by the Maine-based City of South Portland. Bidders can access the detailed bid document and additional information through the provided links. No bid may be withdrawn for at least 60 days after submission unless explicitly released by the City.

General Info

Agency

Maine → City of South PortlandView Agency

NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors View NAICS

Place of Performance

ME, USA

Set-Aside

NONE

Documents

(2)

IFB #11-26 - Vehicles.pdf

PDF

Bid Invitation (41).pdf

PDF

AI Contract Breakdown

Uniform Contract Format

Timeline

1 update

PhaseClosed

PostedSep 10

Solicitation

Amendment 0Sep 10

Contract was updated

Response DeadlineSep 30

Deadline has passed

Submission Closed

09/30/2025, 12:00:00 AM UTC

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Organization & Contact Information

AgencyMaine → City of South Portland

ContactsNo contacts available

OfficeN/A

Organization / Agency

Maine → City of South Portland

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Sealed Proposals will be received until 2:00 P.M., Tuesday, September 30, 2025 at which time they will be opened. Late proposals will not be accepted.Proposals should be submitted electronically to For security reasons, you must enable JavaScript to view this E-mail address. with the subject as Bid #11-26. Electronic copies must be received by the deadline above.Vendors must be registered to submit a proposal. Proposals from vendors not registered with the City may be rejected; receipt of this document directly from the City or having downloaded the document on the City’s website (https://www.southportland.gov/Bids.aspx?CatID=18) indicates registration. All proposals shall include the enclosed Proposal forms. Proposals will remain open for sixty (60) days after their opening.All questions shall be directed, in writing, to the Purchasing Agent at For security reasons, you must enable JavaScript to view this E-mail address. and be received at least five business days prior to the bid opening date. Questions received after this time will not be addressed. Responses from the City that substantially alter this bid will be issued in the form of a written addendum to all bid holders registered in the Purchasing Office. Oral explanations or interpretations given before the award of the contract will not be binding.No bid may be withdrawn for at least 60 days after receipt of bids unless released by the Owner. Matthew F. Fitzgerald Purchasing Agent Bid Document:https://drive.google.com/file/d/1q7T-icVmrafNN4SHePvIs7ciEvKIO Db/view?usp=sharing