The US Army Corps of Engineers intends to award a sole source purchase order to AUMA Actuators, Inc. for sixteen new actuators at Allegheny River Lock and Dam Four. The actuators must be functional equivalents to the original AUMA SA10.1-108 units used for operating filling and emptying valves. Interested parties may submit a capability statement by 27 April 2026 to express interest and capability. No budget amount is specified in the description. The performance location is Allegheny River Lock and Dam Four.