This opportunity is a small business set-aside for commercial services to provide routine preventive maintenance, scheduled overhauls, diagnostic troubleshooting, and emergency repair services for the Electric Fish Dispersal Barrier System. Work will be performed at the Chicago Sanitary and Ship Canal in Romeoville, Will County, Illinois. Services include monthly, quarterly, and annual inspections of high-voltage pulsers, power distribution panels, backup generators, and cooling systems, as well as component replacement and calibration of monitoring equipment. Emergency repairs require on-site response within four hours of notification to address system anomalies, power failures, or pulser dropouts. The acquisition is subject to World Trade Organization and Free Trade Agreements.