The main elements of the assignment in contract 3612 are to deliver and assemble complete ventilation installations, special ventilation and exhaust systems in Somatic high-rises, which consist of buildings D4 and D5 (Floor 04-17, as well as technical rooms on floors 11 and 14). The contractor shall also deliver and assemble joint suspension to a described extent. For information, the Somatics base consists of the area in buildings D1-D3 and D6 (floor U2-3) where the other contractor who has the ventilation contract.