This document is a Standard Form 30 Amendment of Solicitation/Modification of Contract for a Design-Build project at the Marine Corps Base Camp Lejeune in North Carolina. The amendment (No. 0014) extends the revised proposal due date from 20 August 2025 to 7 October 2025 for Offerors included in the Competitive Range. The solicitation involves a P-1458 2nd Radio Battalion Complex, Phase 2, Parachute and Supply Facilities project. A revised price proposal schedule will be forthcoming in a subsequent amendment, and Offerors previously notified of their Competitive Range status should refer to an Evaluation Notice dated 6 August 2025.