This solicitation is for construction services required for HVAC and Fire Suppression systems repair of Building 1203 at March Air Reserve Base, CA. This is an Invitation For Bid, sealed bid procurement. The solicitation notice will be posted to SAM.gov 4 November 2026 by Close of Business.The U.S. Army Corps of Engineers (USACE) Louisville District hereby issues an Invitation for Bid (IFB), Solicitation No. W912QR27BA004, to renovate Building 1203-DOAS/AHU and Fire Suppression Water System, March Air Reserve Base, California. A description of the construction project is as follows:This work consists of, but is not limited to, installing a new Dedicated Outside Air System (DOAS) air handling unit, the replacement of Air Handling Unit (AHU-02) and the replacement of the existing waterline that ties the main waterline to Building 1203. The distance of waterline to be replaced is estimated to be 100-ft. Additional site-work will include a larger housekeeping pad, larger equipment access platform, and larger landscaped enclosure to accommodate the additional DOAS air handling unit. New outside air supply and return ductwork will be incorporated leading from the DOAS unit to the rooms served by AHU-02 providing direct-to-room ventilation. The Contract Duration is 500 calendar days from Administrative Notice to Proceed.TYPE OF CONTRACT AND NAICS: This IFB is intended to result in the award of one Firm-Fixed-Price (FFP) contract. The North American Industrial Classification System Code (NAICS) for this effort is 236220 - Commercial and Institutional Building Construction.TYPE OF SET-ASIDE: This acquisition is a Total Small Business Set-Aside.DISCUSSIONS: The Government intends to award without discussions but reserves the right to conduct discussion should it be deemed in the be interest of the Government.CONSTRUCTION MAGNITUDE: The magnitude of this construction project is anticipated to be between $1 million and $5 million.REGISTRATIONS: Offerors shall have and shall maintain an active registration in the following database: System for Award Management (SAM): Offerors shall have and shall maintain an active registration in the SAM database at http://www.sam.gov to be eligible for a Government contract award. If the Offeror is a Joint Venture (JV), the JV entity shall have valid SAM registration in the SAM database representing the JV as one business/firm/entity. If at the time of award an Offeror is not actively and successfully registered in the SAM database, the Government reserves the right to award to the next prospective Offeror. POINT-OF-CONTACT: The point-of-contact for this procurement is Rachael McClellan, Rachael.L.McClellan@usace.army.mil. PARTNERING WITH US: https://www.usace.army.mil/Business-With-Us/Partnering/Information regarding the U.S. Army Corps of Engineers process for settling requests for equitable adjustments and duration goals to achieve defeminization of equitable adjustments for change orders under construction contracts can be found by going to https://www.usace.army.mil/Business-With-Us/Partnering/ and then clicking on: View FFP Contract Changes Playbook Here.