Preparation of an emergency drinking water supply concept for the Rhein-Sieg district

Summary

The tender concerns the preparation of an emergency drinking water supply concept for the Rhein-Sieg district to assess the resilience of water supply and plan measures for crisis situations. The work covers analysis of water-supply arrangements, the area, water sources, and water production, treatment, storage and main distribution facilities. It includes risk assessment for three scenarios: failure of a critical component, a prolonged widespread power outage and a cyberattack. The contractor must review existing and planned measures, develop and prioritize additional measures, and produce a report, an executive summary, a presentation, maps and transferable GIS data. The work includes 10 working-group meetings and presentation of the results at up to three committee meetings. The final concept, agreed with all parties, is due by 31 October 2027. The submission must include a signed offer form, a completed bill of quantities, the personnel form and a work plan with a timetable; a consortium declaration is required where applicable. Evaluation weights are 60% for price, 20% for one reference for a drinking water supply concept, 10% for two references for other water-management projects, and 10% for the work plan. The submission deadline is 26 October 2026 at 09:00.