Redetermination of the Lamme River HQ100 flood zone in Hildesheim district

Summary

The tender concerns the redetermination of the HQ100 flood zone of the Lamme River in Hildesheim district. The work includes building a two-dimensional hydraulic model and carrying out the HQ100 calculation, overlaying the calculated water-level surface with the terrain elevation model to delineate the flood zone, presenting the results and preparing a final report. The offer must include company and personnel references for comparable work from the last three years, as well as a schedule showing the duration and dates for field surveying, data processing and handover. Evaluation gives 50% to price, 30% to references and 20% to the schedule. Offers must be submitted in German through the designated electronic tender tool by 26 October 2026 at 10:00. Only one main offer is allowed; alternative offers and division into lots are not permitted.