Missile Munitions Distribution Facility and Rail Classification Yard at Letterkenny Army Depot in Chambersburg, Pennsylvania

. **Amendment 0004 is to: A. Provide Attachments B/C which were omitted in error from the solicitation posting. B. Incorporate RFO FAR clause 52.222-90, Addressing DEI Discrimination by Federal Contractors, into this solicitation by full text. C. Provide Summary of Changes_29Apr2026. D. Provide Revi

sed Specifications_Apr2026. E. Provide Revised Drawings_Apr2026. F. Provide Final Geotechnical Report issued 06Aug2025. G. This Amendment is officially Amendment 0004 in the PIEE system, but contractually will show as Amendment 0003. This a