This Combined Synopsis/Solicitation opportunity from Department Of Defense was posted on September 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.
HVAC Repair by Replacement - 147th MSG
Contract Overview
Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.
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The 147th Mission Support Group is soliciting a Firm-Fixed-Price contract for the repair by replacement of a 122-ton air-cooled chiller at Building 1057, Ellington Field JRB in Houston, Texas. This project is a 100% Total Small Business Set-Aside under NAICS 238220. The scope of work includes the demolition and removal of an existing Trane unit and the installation of a new Carrier 30RC or approved equal chiller featuring BACnet IP and MS/TP capability and a 5 HP dual VFD pump package. The contractor is responsible for all labor, rigging, electrical and control reconnections, factory-authorized startup, and a one-year labor warranty. Key technical requirements include the recovery and turn-in of refrigerant, the potential installation of new check valves and wye strainers based on field verification, and the integration of the unit into the existing DDC system via TekPlan. The contractor must also manage temporary cooling requirements, including the provision of isolation valves. Award will be based on best value, evaluating technical capability, equipment compliance, and past performance. Submissions must be organized into three volumes covering price, technical specifications, and qualifications, with a final response deadline of September 24, 2026.
General Info
Place of Performance
Houston, TX, 77034, USASet-Aside
Timeline
Submission Closed
Organization & Contact Information
Full Description
Amendment 00001
- Is temporary cooling required? There will be a temporary chiller, coordination when this needs to be removed for the permanent will need to be coordinated with CE.
- Is new electrical conductors required from the disconnect to the new unit.? Contractor to see SOW section 3 and 5.
- Is flexible weather resistant conduit approved for any electrical work need to be performed for the chiller replacement? All installs shall be per NEC and Local Code. The contractor shall submit the proposed raceway type and intended installation location for Government review before installation.
- Is a new wye strainer going to be required to prevent partials from the existing system from entering the new chiller? The contractor shall field verify whether a serviceable strainer is already installed upstream of the chiller and confirm the replacement chiller manufacturer’s filtration requirements.
- Is a new check valve going to be required at the new chiller? The contractor shall verify the existing piping arrangement and the manufacturer’s requirements for the dual VFD pump package.
A check valve shall be provided if required to:
- Prevent reverse flow through the chiller
- Protect the integral pump package
- Prevent flow through an inactive chiller
- Maintain proper system hydraulic operation
- Comply with the manufacturer’s installation diagram
If a new check valve is necessary, the contractor shall submit the proposed valve type, size, location, pressure rating, and pressure-drop information for Government review and written authorization.
- Does the base have a designated controls contractor they are currently working with? TekPlan
- Is the chiller currently on a BAS system ? Yes
- Is the chiller currently running just off of local controls? Yes, but will be integrated into the DDC system.
- Is there a certain percentage of glycol that needs to be blended into the system? The current system is not glycol. Before filling the new chiller, the contractor shall sample and test the existing chilled-water solution to determine whether glycol is present and document its existing concentration and condition. The contractor shall also review the replacement chiller manufacturer’s freeze-protection and water-quality requirements.
- Is the base going to assure that the chiller can isolated with having to drain the whole system? Contractor to field verify.
- If the base is going to require temporary cooling is there going to be chiller isolation valves added? Yes, Temporary chilling will be required as stated, isolation valves will be contractor responsibility to meet the requirements.
Please see attachments for changes. All changes were higlighted in Red.
This is a combined synopsis/solicitation for HVAC Repair by Replacement. Please see all attached documents.
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