UND Witmer Hall Heat Exchanger Shell and Tube Replacement

The University of North Dakota is seeking qualified contractors to provide all labor, equipment, tools, and supplemental materials needed to remove an existing heat exchanger and install a new owner‑provided shell‑and‑tube heat exchanger in Witmer Hall. The scope includes fluid recovery, demolition, installation of the new unit, piping modifications, insulation, and system re‑commissioning, with a mandatory submission of a preliminary layout schematic and proof of a valid North Dakota contractor’s license. • Remove the existing heat exchanger and associated piping, recover and store fluids. • Install the new owner‑provided TACO shell‑and‑tube heat exchanger (16‑in. dia, 150 psi @ 375 °F) and modify stands, steam, condensate, and hot‑water connections. • Provide insulation, re‑commission the system, and submit a lump‑sum quote with required documentation (layout schematic, contractor license, and signed bidder form).