HVAC - Water Treatment

********** 17 SEPT 2026 - PLS BE ADVISED THAT THE TECHNICAL FACTORS HAVE BEEN REVISED AND UPDATED, AS WELL AS ANOTHER QUESTION PERIOD; SEE BELOW & ATTACHMENT FOR DETAILS AND SUBMIT PROPOSALS ACCORDINGLY********* COMBINED SYNOPSIS/SOLICITATION W56ZTN-26-B-A004 This combined synopsis/solicitation is for commercial items prepared in accordance with the format in FAR Subpart 12.6, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be issued. Incorporated provisions and clauses are those in effect through Federal Acquisition Circular (FAC) 2026-01 (13 March 2026). The solicitation number for this request for proposal (RFP) is W56ZTN -26-B-A004. This requirement is under the associated North American Industry Classification System (NAICS) Code 325998 � All Other Miscellaneous Chemical Product and Preparation Manufacturing. The Government contemplates award of a full and open competitive single award, Indefinite Delivery Indefinite Quantity (ID/IQ) on a firm-fixed price (FFP) basis in accordance with FAR 13, Simplified Acquisition Procedures. This procurement will be evaluated as Lowest Price Technically Acceptable, for the procurement of the following services: HVAC Water Treatment. A Site Visit is scheduled for THURSDAY, 3 SEPTEMBER 2026 @ 8:00AM EDT. See Attachment 3 for Site Visit Schedule for details and instructions. REVISED - All questions must be submitted via email to Nicole Sutton nicole.s.sutton2.civ@army.mil and Terrijuana Veals terrijuana.p.veals.civ@army.mil no later than FRIDAY, 18 SEPTEMBER 2026 @ 1:30 PM EDT. The SUBJECT LINE should read: W56ZTN-26-B-A004 Q&A from (INSERT COMPANY NAME). Instructions to Offerors � Two?Step Sealed Bidding (Step One Technical Proposal) (Fully compliant with FAR 14.503?1) L.1 General This solicitation is being issued using Two?Step Sealed Bidding in accordance with FAR Subpart 14.5. Step One...