Refurbishment of the 200 m³ low-pressure dry gas holder at Burgsteinfurt wastewater treatment plant

Summary

The tender concerns the complete refurbishment of a 200 m³ low-pressure dry gas holder at the Burgsteinfurt wastewater treatment plant. The work includes safely taking the holder out of service, removing the old membrane, cleaning and abrasive-blasting approximately 200 m² of surface, applying corrosion protection, supplying and installing a new membrane, carrying out a gas-tightness test, recommissioning the holder and preparing full documentation. Work must start on 5 November 2026 and be completed by 10 February 2027. The tender must be submitted electronically by 6 October 2026 at 11:00, and price is the only award criterion. Bidders must submit the priced bill of quantities, the suitability declaration, the required technical documents and, where applicable, information on subcontractors or consortium members.