WRF Building 75 Boilers and Heat Loop Improvements

The City of Des Moines is seeking a contractor to replace boilers, pumps, mechanical equipment, piping, controls, electrical systems, and SCADA interfaces at Buildings 75, 90, 801, 802, and 803 of its Wastewater Reclamation Facility.

City of Des Moines > Des Moines Metropolitan Wastewater Reclamation Authority


General
Open
042026022
Sep 29, 2026 05:00 PM
Aug 19, 2026 12:45 PM
$854,098.30
Request for Proposal (RFP)
Local
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Original Solicitation Links
Submission Instructions
Description

The City of Des Moines is soliciting construction services for phased replacement of existing boilers, hot water circulation pumps, mechanical equipment, associated piping, controls, electrical systems, and related appurtenances. The work includes installation of five new boilers, boiler controls, new flue gas ductwork, combustion and ventilation equipment, two main heat-loop circulation pumps with variable frequency drives, expansion tanks, instrumentation, safety systems, and SCADA-related controls. The contractor must maintain facility and digester heating operations during construction using a temporary hydronic heating system. The project also includes piping, pump, valve, controls, and heat-exchanger improvements in Digester Control Buildings 80-1, 80-2, and 80-3; airlock, HVAC, fire-rated penetration, and door improvements in the Digestion Complex tunnels; demolition of existing boilers, chimney, pumps, piping, and related equipment; startup, testing, training, and a 48-hour demonstration period. The contract documents require an installation floater and Boiler and Machinery Insurance, and identify performance, payment, and maintenance bonding requirements for the awarded contractor.

Classification Codes
NAICS238220Plumbing, Heating, and Air-Conditioning Contractors
PSCN044Installation of Equipment: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors
Smart Codes
boiler replacementindustrial piping installationscada controls integration
Specifications
Supply & Service
No
Timeline
Aug 19, 2026 01:45 PM-Posted Date
Sep 29, 2026 05:00 PM-Submission Deadline
Requirements
Required
  • Commercial General Liability — $2,000,000.00
  • Automobile Liability — $2,000,000.00
  • Installation Floater
  • Boiler and Machinery Insurance
Required
  • Bid Bond
  • Performance Bond
  • Payment Bond
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