Solicitation: Design-Bid-Build Construction Contract, Resilient Surveillance Mission Cooling Water Supply. Buckley Air Force Base, Colorado. Solicitation is Unrestricted open to both Large and Small businesses.---Am_0001 Date of Issue: 07Jun2024, Date of Receiving Proposals:01Jul2024 See Attached: W9128F24R0050_Amendment_0001; Am-0001_W9128F24R0050_Attachment_Cover ; Site Visit Sign-in Roster_3 June 2024 *Am_0002 Date of Issue: 14Jun2024, Date of Receiving Proposals: 01Jul2024; See Attached: Am-0002_W9128F24R0050_SF30; Am-0002_W9128F24R0050_Conform; Am-0002_W9128F24R0050_Attachments. * Am_0003 Date of Issue: 27Jun2024, Date of Receiving Proposals:11Jul2024; See Attached: Am-0003_ W9128F24R0050_SF30; Am-0003_W9128F24R0050_Conform; Am-0003_W9128F24R0050_Attachments.