Minneapolis College, part of Minnesota State, is seeking proposals to design, manufacture, deliver, install, and commission a self‑contained CO₂ refrigeration training system for laboratory education. The trainer must be movable, operate at up to 90 bar pressure, use CO₂ refrigerant, and include advanced control and safety features, with a one‑year contract beginning mid‑August 2026. The vendor must also provide on‑site training for staff in early December 2026 and supply a one‑year warranty (with optional extended coverage.
• Design and engineer a portable CO₂ refrigeration trainer capable of 90 bar pressure and 5 000 lb weight limit.
• Provide full fabrication, assembly, delivery, installation, commissioning, and staff training (Dec 7‑11 2026).
• Include a modern controller (e.g., E3), VFD‑controlled compressor and condenser, safety interlocks, and transparent “sigh glasses” for phase‑change observation.
• Submit a sealed bid by August 4 2026, meeting all mandatory forms (Affidavit of Non‑Collusion, affirmative‑action, supplier‑diversity certifications, etc.).