Oahe Powerhouse Heat Pump Replacement
Closed Pre-Solicitation Posted
This opportunity was awarded. See the award notice from , or the latest solicitation from .
- Solicitation number
- W9128F25BA003
- Agency
-
ENDIST Omaha
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 236220 Commercial and Institutional Building Construction
- PSC
- Z2KA Repair Or Alteration Of Dams
- Place of performance
- Pierre, South Dakota 57501, United States
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers Engineering District Omaha is seeking a contractor to replace HVAC equipment at the Oahe Dam powerhouse in Pierre, South Dakota. The project involves demolishing and replacing two 180-ton Trane Series R_CenTravac rotary screw compressor water source heat pumps, along with associated water piping, motorized valves, water coils, electric pre-heat coils, and various Air Handling Unit components. Key contract requirements include maintaining one heat pump operational throughout construction, coordinating AHU downtime with powerhouse personnel, and installing a new 8" manual basket strainer. Potential bidders must be registered in the System for Award Management (SAM) database with current annual representations and certifications. The solicitation (W9128F25BA003) will be issued on or about May 15, 2025, with bids closing on June 16, 2025, at 2:00 PM CT.
The contract is set aside for total small business participation, with an estimated construction magnitude between $1,000,000 and $5,000,000. The primary NAICS code for this opportunity is 236220 (Commercial and Institutional Building Construction), and the PSC category is Z2KA (Repair or Alteration of Dams). The project scope includes comprehensive HVAC system replacement, with specific attention to demolition of existing equipment, installation of new heat pumps, and associated piping and insulation work. A site visit will be scheduled approximately 10 days after the solicitation is posted on SAM.gov, providing potential bidders an opportunity to inspect the project site and assess the specific requirements. Contractors will need to demonstrate expertise in complex HVAC system replacement, particularly in critical infrastructure settings like a powerhouse facility.
Notice text
This project includes demolition and replacement of various HVAC equipment, piping, and items in Oahe Dam powerhouse, Pierre, South Dakota. The subject equipment and items include but are not limited to two (2) Trane Series R_CenTravac_rotary screw compressor water source heat pumps (180 ton /each), heat pump water piping, motorized valves and valve actuators, water coils, electric resistant pre-heat coil (150 KW), piping specialties, condensate drain pans, damper actuators, thermostats, etc. in variously sized Air Handling Units (AHUs). Additional work includes incidental related work such as restoring insulation on affected systems and providing new insulation on new equipment, piping, ductwork as applicable and necessary. The work also includes demolition of existing 8" basket strainer and a minor alteration of heat pump water piping to allow installation of new 8" single basket strainer at lower elevation in the heat pump room. Contractor is responsible to provide new 8" manual single basket strainer and additional piping alterations that may be necessary to accommodate new heat pumps, strainer, valves, valve actuators, and new piping specialties. It shall be noted that one heat pump must remain operational throughout the construction duration. Contractor must closely coordinate with powerhouse personnel and COR regarding required AHU downtime prior to perform any work on AHUs.
Files
| File | Type | Posted |
|---|---|---|
| Pre-Solicitation Notice W9128F25BA003 Oahe Powerhouse Heat Pump Replacement.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Oahe Powerhouse Heat Pump Replacement | Award Notice | |
| Oahe Powerhouse Heat Pump Replacement | Solicitation | |
| This notice | Pre-Solicitation |
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