154.1 WH Grain Silo – Conversion of Changing Rooms and Showers

Summary

The tender concerns ventilation works at the WH Grain Silo in Berlin: supply and installation of one compact heat-recovery ventilation unit, 28 m of internal ventilation ducts, 3 m of external ventilation ducts, 7 outlets and 17 ventilation connections to cabinets. The works are scheduled from 9 November 2026 to 21 December 2026. Bids must be submitted electronically by 6 October 2026 at 11:00 and remain binding until 6 November 2026. The contract is not divided into lots, but alternative bids are permitted. For contracts with a net value of at least EUR 250,000, a performance guarantee equal to 5% of the net contract value and a defects-remedy guarantee equal to 3% of the final invoice amount are required. Liability insurance must provide minimum coverage of EUR 2,500,000 for personal injury and EUR 1,500,000 for other damage.