Oahe Powerhouse Heat Pump Replacement

UPDATE:  Solicitation Amendment 0001 was issued on 02 June 2025.  Please see attached documents. 

UPDATE:  A second site visit is scheduled for Wednesday, 04 June 2025 at 1 pm CDT.  Contractors interested in seeing the site need to make a reservation with Jesse Roebuck at telephone (605) 945-3413 or by e-mail at Jesse.D.Roebuck@usace.army.mil. 

The work includes demolition and replacement of various HVAC equipment, piping, and items in Oahe Dam powerhouse, Pierre, South Dakota.  The solicitation, specifications and drawings are provided below in the attachments section. 

A site visit during the solicitation is scheduled for Wednesday, 21 May25 at 1 pm CDT.  Contractors interested in seeing the site need to make a reservation with Jesse Roebuck at telephone (605) 945-3413 or by e-mail at Jesse.D.Roebuck@usace.army.mil. 

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 .... Read More