Dugway Proving Ground Environmental Support / Central Hazardous Waste Service...

Amendment 0004 - Solicitation W911S626RA001 (Environmental Support Services - DPG) Description: The purpose of Amendment 0004 to Solicitation W911S626RA001 is to extend the proposal due date, formally incorporate mandatory cybersecurity clauses, add required Technical Exhibits, and provide responses to a portion of the industry questions received to date. Summary of Changes in Amendment 0004: Proposal Due Date:   Extended to  15 June 2026 at 10:00 AM MDT Q&A Status:   Added "Questions and Answers V2" containing responses to a subset of industry questions.  Note: Additional questions remain in review. Cybersecurity Clauses:  Formally incorporated FAR 52.240-93, DFARS 252.204-7012, 252.204-7021 (Level 2 Self), 252.204-7025 (Level 2 Self), and 252.240-7997. Technical Exhibits Added:  Added TE-6 (Containers), TE-7 (90-Day Sites), and TE-8 (Title V Sources). Volume Page Limits:  Volume I increased to  25 pages;  Volume II increased to  35 pages . Submission Format:  Clarified that all pricing data must be submitted within the single PDF for Volume I. Separate Excel files are not required. Quality Control Plan:  Clarified that a full QCP is a post-award deliverable and is not required for proposal submission. Please review all attached documents carefully. Offerors must acknowledge receipt of all amendments by signing and returning page 1 of all SF 30s with their proposal submission. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Amendment 0003 - Environmental Support Services - W911S6-26-R-A001 Description: The purpose of Amendment 0003 to Solicitation W911S6-26-R-A001 is to extend the deadline for receipt of questions, provide Government responses to industry questions, update the Performance Work Statement (PWS) and Evaluation Criteria, incorporate new regulatory clauses, and attach additional documentation. Specifically, this amendment accomplishes the following: Extension of Question Deadline:  The deadline for receipt of questions is extended from Monday, May 11, 2026, to  Wednesday, May 13, 2026, at 10:00 AM MDT . Key Personnel Clarification:  Updates PWS Sections 1.6.10 and 1.6.10.1 to explicitly clarify the qualification requirements for the Alternate Project/Site Manager position and updates the corresponding evaluation criteria in the Addendum to FAR 52.212-2. PWS and PRS Corrections:  Incorporates the previously omitted PWS Section 5.10 (DTTF Inspection) and corrects the subsequent numbering and alignment discrepancies in PWS Sections 5.18 through 5.22 and the corresponding Performance Requirements Summary (PRS) matrix. PWS Air Program Updates:  Updates the Clean Air Act (CAA) Technical Management section (PWS 5.16) to include preparation/revisions to the Dugway Title V Permit and Approval Order, and adds the requirement to gather periodic reporting from data calls for all Dugway and tenant activities for emission calculations. New Regulatory Requirement:  Incorporates FAR Clause 52.222-90,  Addressing DEI Discrimination by Federal Contractors , in accordance with Executive Order 14398. Q&A Incorporation:  Attaches the formal Government responses to industry questions submitted to date during the solicitation Q&A period. Site Visit Documentation:  Attaches the official Site Visit Presentation Slides and the Site Visit Attendee Roster. Cybersecurity Documentation:  Attaches a new reference sheet outlining CMMC/Cybersecurity requirements for the contract. ADMINISTRATIVE NOTE REGARDING CLAUSES: Due to a technical error in the contract writing system, FAR Clause 52.203-6 (Alternate I) and FAR Clause 52.224-3 (Alternate I) are showing as "deleted" in the Contract Clauses section of the SF 30 document. This is a system error. These clauses are still applicable to this acquisition, remain in full force and effect, and will be incorporated into the final contract award. ACTION REQUIRED: Offerors must acknowledge receipt of all amendments to this solicitation by signing and returning the associated Standard Form 30s (SF 30) with their proposal submission, prior to the hour and date specified for receipt of offers. Failure to acknowledge all amendments may result in a proposal being determined unacceptable. All other terms, conditions, and the proposal due date remain unchanged. Attachments Added/Updated via Amendment 0003: SF 30 - Amendment 0003 RFQ W911S626RA001 Amendment 0003 Attachment - PWS ENV Support DPG - Amendment 0003 5-7-26 Attachment - Questions and Answers - V1 5-7-26 Attachment - Site Visit Slides 5-4-26 Attachment - Site Visit Roster 5-4-2026 Attachment - Cybersecurity Compliance Requirements AMENDMENT 0002 TO SOLICITATION W911S626RA001 The purpose of Amendment 0002 to the Environmental Support Services solicitation is t