The Department of Defense, specifically the Department of the Army, is soliciting bids for the repair and replacement of Collective Protection System (CPS) systems at the Classified Facility, Korea Combat Operations Intelligence Center (KCOIC), located at Osan Air Base, Korea. This procurement aims to ensure the operational readiness and safety of the facility by upgrading critical protective systems. The work falls under the NAICS code 236220, which pertains to Commercial and Institutional Building Construction, and is categorized under PSC code Z1EZ for maintenance of other industrial buildings. Interested contractors should log in to https://piee.eb.mil and search for 'W912UM24B0004' for further details. For inquiries, contact Tok Kyong Kim at tokkyong.kim@usace.army.mil or call 050-3355-6109.