**AMENDMENT** INTENT TO SOLE SOURCE | BIOMEDICAL ENGINEERING NEEDS MEDICAL PHYSICIST FOR FULL COMMISSIONING AND VALIDATION SERVICES ON A NEWLY PROCURED EDGE LINEAR ACCELERATOR | PERIOD OF PERFORMANCE 09/25/2025 - 09/24/2026

**AMENDMENT** INTENT TO SOLE SOURCE****** STATEMENT OF WORK Solicitation #512-25-4-098-1032 GENERAL INFORMATION Title of Project: Linac Commissioning & Validation Service Scope of Work: The vendor shall provide commissioning and validation services for the new Linear Accelerator at the Baltimore VA Medical Center. Work must be completed in a 10-day span. Service coverage will include: Edge Commissioning for 5 photons and 5 electrons Eclipse TPS validation Eclipse photon algorithm small field commissioning HyperArc commissioning for one photon energy Linear Accelerator Validation The vendor will supply the Baltimore VAMC Biomedical Engineering department with a copy of a detailed service report that meets the requirements of 21CFR820, subpart N, within 2 weeks of maintenance being completed. The service shall be performed between the hours of 8:00am and 5:00pm, Monday through Friday, unless mutually agreed upon by the contractor and the VA Biomedical Engineering department. The contractor shall schedule all maintenance with Biomedical Engineering and report to Biomedical Engineering in room 5B-183 upon arriving on-site at the Baltimore VAMC, before performing any maintenance. Background: The Baltimore VA Medical Center will be receiving a new EDGE Linear Accelerator in the Radiation Oncology clinic later this year. Once installed, it will need to go through the full commissioning and validation process to ensure it is functioning at full efficiency. This requirement is for a medical physicist(s) support to complete edge commissioning with different photons and electrons; Eclipse validation per APEX guidelines; Eclipse Photon algorithm small field commissioning; and HyperArc Commissioning. The physicist(s) will also complete validation of the system as the final step before Applications and Training. Performance Period: 09/25/2025 09/24/2026 Type of Contract: One-time service. Place of Performance: Baltimore VA Medical Center Rm. BC-126 10 N. Greene St. Baltimore, MD 21201 Security: The contractor must have a photo ID available when performing work at a VA Medical Center and be willing to present it to VA staff. The vendor is responsible for personal protective equipment. The C&A requirements do not apply, and a Security Accreditation Package is not required. The vendor must have a current Business Associate Agreement (BAA) with the Department of Veterans Affairs to perform maintenance on equipment that would result in incidental access to patient Protected Health Information (PHI)  AMY.WALTER1@VA.GOV, CONTRACTING OFFICER. CONTRACT WILL BE ISSUED AS A SOLE SOURCE PER FAR 13.106-1(b) and FAR 6.302-2.