SUPPLY CHAIN OPTIMIZATION SUPPORT (SCOS) Solicitation

SUPPLY CHAIN OPTIMIZATION SUPPORT (SCOS) Product Service Code : R706 AMENDMENT 6 - 15 Oct 2026 This amendment extends the proposal due date to 19 October, 11:00 AM CST. AMENDMENT 5 - 13 Oct 2026 This amendment updates the Q&A in Attachment 0011. AMENDMENT 4 - 23 Sep 2026 This amendment extends the proposal due date to 16 October 2026 5:00 CST. The responses to the Q&A are uploaded as Attachment 0011. AMENDMENT 3 - 4 Sep 2026 - This amendment extends the proposal due date to 2 Oct 2026 at 5:00 PM CT. Responses to Q&A will be posted in a forthcoming amendment. AMENDMENT 2 - 28 Aug 2026 - Questions for this solicitation are cutoff as of 28 Aug 2026, 5:00PM CT. Questions submitted after the cutoff date/time will not be answered. Questions submitted before the 28 Aug 2026, 5:00PM CT cutoff will be answered and posted on SAM.gov in a forthcoming amendment. The following documents have been updated/uploaded in attachments: Attachment 0001 PWS Performance Work Statement Attachment 0002 Performance Assessment Questionnaire Attachment 0003 CBA HCI - IUOE Local 351 2024-2027 Attachment 0004 WD 2015-5229 Rev29 (05-13-2026) El Paso TX Attachment 0005 PWS Attachment 1_ Appendices A-E Attachment 0006 PWS Attachment 2_Appendix F Attachment 0007 PWS Attachment 3_Appendix G Attachment 0008 PWS Attachment 4_Appendix H (Must be requested per amendment 1) Attachment 0009 PWS Attachment 5_Appendix H (2) (Must be requested per amendment 1) Attachment 0010 PWS Attachment 6_Appendix I (Must be requested per amendment 1) AMENDMENT 1 - 5 Aug 2026 - Updated to extend the proposal due date to 18 Sep 2026 and attach SOW Appendices. Note: Appendix I cannot be posted to sam.gov and, if needed, must be requested via email to the POCs identified on this solicitation. If approved, Appendix I will be delivered via a secure site. Updated 11 Aug 2026 - Appendix H will also need to be requested. It was upload in error. Combined Synopsis/Solicitation Preamble (i) This is a combined synopsis/solicitation f