Updated 11 June Update response date Add information regarding site visit to section 1 (June 30th) Solicitation Number: W911QY-26-S-BCIS-01 Parent Solicitation: W9128Z-25-S-A002 (Army Open Solicitation) Link to Parent: https://sam.gov/opp/476c4481dc56499c9b1d9c6a9ce745a9/view Title: Prototype Biological Containment Isolation System (BCIS) Response Date: 23 June 2026, 1700 EST Issuing Office: U.S. Army Contracting Command-Aberdeen Proving Ground (ACC-APG), Natick Division, on behalf of the Joint Project Manager for Chemical, Biological, Radiological, and Nuclear Protection (JPM CBRN P). 1. Synopsis & Core Requirement The Government seeks prototype solutions for a Biological Containment Isolation System (BCIS) under the authority of 10 U.S.C. § 4022, Other Transaction Authority (OTA). The objective is to acquire a modular, field-installable kit to convert the existing USAF TMT60 positive-pressure tent shelter into a negative-pressure, multi-patient isolation system for managing patients with High Consequence Infectious Diseases (HCID). At a minimum, proposed solutions must be able to meet the following critical threshold requirements: Negative Pressure: -2.5 Pa (≈ -0.01 in. w.g.) differential Air Exchange: ≥12 Air Changes per Hour (ACH) Filtration: 99.97% efficiency for 0.3-micron particles Compatibility: Must integrate with and be reversible for the standard TMT60 tent system 1.2 Notice of On-Site Equipment Viewing To assist vendors in preparing their Responses to this Solicitation (RSPs), the Government has scheduled an on-site equipment viewing of the TMT60 shelter at Fort Detrick, MD. Date: June 30, 2026 Time: 0900 to 1200 EDT Access Requirements & Security Protocols All vendor representatives must strictly adhere to the following installation security protocols to be granted entry: Access Requirements & Security Protocols: To attend the viewing, all vendor representatives must strictly adhere to the following installation security protocols: Approved Visit Request: Vendors must submit and receive an approved visit request prior to arrival.The forms MUST be submitted by COB on June 24, 2026. FORT DETRICK REQUEST FOR VISITOR'S PASS must be completed by applicant and submitted to usarmy.detrick.usag.mbx.des-vetting@mail.mil. Please provide Contracting Officer and Specialist confirmation of submission. Installation Visitor Guidance: Please review and follow the specific access instructions detailed on the Fort Detrick Visitor Center Portal: https://home.army.mil/detrick/my-fort/visitors Citizenship Restriction: Access is restricted to U.S. Citizens only . No Foreign Nationals will be permitted on-site. 2. Acquisition Approach & Submission Instructions This acquisition will be conducted as a two-step process with the intent to award multiple Prototype OTAs. This approach encourages participation from non-traditional defense contractors and small businesses. Step 1: Solution Briefs: Interested parties are invited to submit a S…