Rehabilitation of digested sludge storage tanks at Freiberg Central Wastewater Treatment Plant

Summary

The tender concerns the rehabilitation of two digested sludge storage tanks at Freiberg Central Wastewater Treatment Plant. The works include dismantling the existing glass-fibre-reinforced plastic covers and steel substructures, installing new stainless-steel tank covers, renewing joint seals, sealing the base area, constructing a splash protection strip, and repairing or adapting steel components, platforms, bridges, guardrails and surfaces. Scaffolding works and shop and installation design are also required. The tanks will be refurbished consecutively while one tank remains in operation. The contract is divided into one lot; alternative cover materials are permitted and expressly welcomed, but multiple main bids are not permitted. The works must be carried out from 5 April 2027 to 14 July 2027. The electronic bid submission deadline is 27 October 2026 at 10:00, and the bid must be submitted in German. The award criteria, guarantees and payment terms must be checked in the tender documents.