Renewal of the heating system and combined heat and power unit at Eilendorf wastewater treatment plant

Summary

The tender covers renewal of the heating system and combined heat and power unit at the Eilendorf wastewater treatment plant. Work is to start on 4 January 2027 and be completed within 193 working days of commencement. Bids must be submitted electronically through the Aachen Economic Region procurement portal; the completed, readable priced bill of quantities or technical specification must be submitted as a PDF. Price is the sole award criterion. No bid security is required, but a performance security of 5% of the contract value, a defects-liability security of 3% of the settlement amount, and an advance-payment guarantee are required. The procurement is not divided into lots, and multiple main bids and alternative bids are not permitted. Bidders must demonstrate relevant experience, insurance cover, and welding and project-management qualifications, and provide the required qualification and pricing documents.