Repair of the heating and cooling system (phase 1) – coal washing plant (Hall A14)

Summary

The tender concerns phase 1 of the repair of the heating and cooling system at the Zollverein coal washing plant, Hall A14, including refrigeration and partial air-conditioning works. The bid must be submitted electronically in text form by 12 October 2026 at 10:00. Price is the only award criterion, alternative bids are not permitted, and the bid must remain binding until 2 November 2026. The bid must include at least three comparable references from the last three completed financial years and proof of liability insurance.