A firm-fixed-price contract will cover commercial services and supplies for the complete repair and modernization of the sanitary sewage lift station at the Garrison Dam Power Plant in Riverdale, ND. The main goal is to improve operational safety by eliminating the need for confined space entry during future maintenance. The period of performance is 180 days after contract award. On-site work must be scheduled in a single, coordinated effort to minimize disruption to facility operations. No budget amount is specified.