657-27-107JC, Replace Select Hot Water Heating System

The Department of Veterans Affairs, Veterans Integrated Service Network 15, seeks replacement of four domestic hot water generators at the VA St. Louis Healthcare System John Cochran Division, with proposals due November 3, 2026. This is a Service-Disabled Veteran-Owned Small Business sole source set-aside.

Place of performance is St. Louis, Missouri. The work involves removing and installing four 45-gallon steam-fired hot water generators in Building One, sub-basement Room B018-01-JC, including commissioning and system testing over a 120-calendar-day performance period, plus one year of guaranteed maintenance services (CLIN 0002). The contract vehicles are a Firm-Fixed-Price construction contract with an estimated magnitude of $500,000 to $1,000,000. NAICS code 238220 applies (Plumbing, Heating, and Air-Conditioning Contractors); PSC is Z2DA (Repair or Alteration of Hospitals and Infirmaries).

Technical requirements mandate a complete domestic hot water system delivering 60 degrees Celsius (140 degrees Fahrenheit) at source with recirculation maintaining 51.1 degrees Celsius (124 degrees Fahrenheit) minimum, thermal eradication capability at 170–180 degrees Fahrenheit at approximately 30 gpm, Building Automation System integration, double-wall heat exchangers per IPC and VA Plumbing Design Manual PG-18-10, seismic restraint calculations per VA H-18-8, and compliance with ASSE, NFPA, and AWWA standards. Systems must maintain domestic hot water service during replacement, with tie-ins occurring after hours. Davis-Bacon wage rates apply (General Decision MO20260089).

The contractor must self-perform at least 25 percent of contract costs with employees or other eligible SDVOSB firms. A mandatory site visit occurred September 22, 2026. Award evaluation uses Best Value Tradeoff methodology weighing relevant past performance, technical construction experience, key staffing qualifications, manufacturer/supplier/installer experience, and contractor safety plan. Bid guarantee (20 percent of bid price, not to exceed $3,000,000) and both payment and performance bonds (100 percent of contract price) are required. All contractors and joint ventures must be registered in SAM and VetBiz and file VETS-4212 reports by the proposal due date. Contracting Officer's Representative Ayele Belayneh (314-652-4100, Extension 58720).