Implementation of the Müggelspree maintenance framework plan: echo-sounding survey of the Müggelspree

Summary

The tender concerns an echo-sounding survey and analysis of the entire approximately 33.9 km Müggelspree section, including its distributaries, from the Große Tränke weir to the mouth at Dämeritzsee. The work includes up to six survey tracks at approximately 3 m intervals, 186 cross-sections, longitudinal profiles, analysis of the riverbed and sludge deposits, comparison with the 2019 and 2021 surveys, mapping, modelling and digital data delivery. The bid deadline is 25 September 2026 at 08:00. Work must start after the award, no later than 26 October 2026, and be completed by 3 December 2026. A site visit before submitting the bid is expected. Variant bids are not permitted, and the bid must include all information required for assessing the qualitative award criteria.