This is a notice of intent to award a sole-source contract to Revvity Health Sciences Inc. for maintenance and repair services of a specific Revvity Opera Phenix Plus System Microscope located at the NIA – Center of Alzheimer’s Disease and Related Dementias. The anticipated contract is a firm fixed-price purchase order with a 12-month base period starting April 26, 2026, and one 12-month option period. The acquisition is conducted under simplified commercial procedures for an amount not exceeding $7 million. The government's determination for non-competitive award is based on Revvity being the only authorized provider for this proprietary equipment.