Green roof landscaping works – VE 3.11

Summary

The tender concerns extensive green-roof landscaping works for a three-storey timber school building in Berlin. The works include the complete extensive green-roof build-up above the waterproofing layer, planting, a retention layer, a substructure for photovoltaic installations, gravel strips, maintenance walkways, edge inspection shafts, and care, maintenance and monitoring. The roof waterproofing layer is to be provided by the timber construction contractor and is excluded from this contract. The tender is open until 16 September 2026. Detailed exclusion, qualification and compliance requirements must be checked in the official tender documents.