CityIA
Posted
Sep 22, 2026
Oct 13, 2026
Dunlap, IA Wastewater Treatment Facility Improvements RFP
The Project includes but not limited to Sludge removal and disposal from the primary and secondary lagoon cells; Demolition of existing control structures, piping, and appurtenances; Major site grading to convert the existing secondary lagoon to a 2-cell aerated lagoon and quiescent cell with a total depth of 10-feet and operating depth of 8'; Installation of a new synthetic liner for the 2-cell aerated lagoon and quiescent cells including synthetic liner appurtenances and a baffle curtain as specified in contract documents; New aeration system including piping and appurtenances, blowers, and controls; Construction of a new ultraviolet (UV) disinfection system; Construction of a new Pre-Engineered Metal Building (PEMB) and associated electrical, mechanical, and plumbing components; Installation of a new standby generator and associated electrical controls; New 8" diameter sanitary sewer force main, 12" and 8" diameter sanitary sewer gravity main, sanitary sewer manholes, and related appurtenances; Site dewatering as required for construction; Site grading, gravel paving, piping, seeding, restoration, and other miscellaneous work; see outside link for more details.