The U.S. Army Corps of Engineers Baltimore District is considering a purchase order contract for a Lab Chemical Alarm System Upgrade at the Dalecarlia Water Treatment Plant for Washington Aqueduct. The scope includes fixed gas monitors, sensors, controllers, and all components needed for complete operation of the chemical alarm system. It also includes manufacturer-representative technical commissioning and startup plus staff training services. Physical installation of sensors and conduit wiring will be performed by USACE in-house personnel.