NOTICE OF PUBLIC HEARING DES MOINES METROPOLITAN WASTEWATER RECLAMATION AUTHORITY PUBLIC IMPROVEMENT PROJECT Public Hearing on Proposed Contract Documents and Estimated Costs for Improvement. A public hearing will be held by the Des Moines Metropolitan Wastewater Reclamation Authority Board on the proposed contract documents (plans, specifications and form of contract) on file in the City Engineer's Office, and estimated cost for each improvement at its meeting on June 16, 2026, at 1:30 p.m., in the Burnham Conference Room, Des Moines Metropolitan Planning Organization, 420 Watson Powell Jr. Way, Suite #200, Des Moines, Iowa. The Des Moines Metropolitan Wastewater Reclamation Authority Board Meetings are open to all individuals regardless of disability. To better serve you, please notify the Board Secretary at least three business days in advance, when possible, should special accommodations be required. WRF Building 05 Pipe Inspections and Repairs, 042026018 The improvement includes replacement and rehabilitation of piping in the basement of Building 05 including new couplers, nuts and bolts, and saddle taps. It also includes painting of existing piping and potential of lining the inside of piping and all necessary materials, equipment, labor, miscellaneous associated work and cleanup, all in accordance with the contract documents including Plan File No. 681-001/009, located at the Wastewater Reclamation Facility, 3000 Vandalia Road, Des Moines, Iowa WRF Phosphorus Recovery Facility, 042026019 The improvement includes construction of a phosphorus recovery system including a new phosphorus release building and new phosphorus recovery building, filtrate modifications and new filtrate holding tank, a new hauled waste receiving tank, site piping and utility relocations and extensions, site roadway improvements, and all necessary materials, equipment, labor, miscellaneous associated work and cleanup, all in accordance with the contract documents including Plan File No. 680-001/327, located at the Wastewater Reclamation Facility, 3000 Vandalia Road, Des Moines, Iowa WRF Buildings 80-1, 80-2, 80-3 and 62 Electrical Improvements, 042026020 The improvement includes replacement of electrical equipment in buildings 80-1, 80-2, 80-3 and 62 including switchgear, motor control centers, larger panel boards, small lighting transformers, transfers switches, other associated electrical equipment, and all necessary materials, equipment, labor, miscellaneous associated work and cleanup, all in accordance with the contract documents including Plan File No. 681-067/116, located at the Wastewater Reclamation Facility, 3000 Vandalia Road, Des Moines, Iowa Published in the Des Moines Register May 27, 2026 May 27 2026 LIOW0504474