3-storey building with observation deck, building size 450 mē, internal clearance height 3,0 m, 2,80 m below suspended acoustic ceiling, Live-load 500 kg/mē, roof-deck 350 kg/mē, 60 mm thick Liapor concrete floor, fire-resistancy F-30 (F-90 ceiling & staircase), central hot-water heating system connected to community-heating, split-airconditioning, heat-insulation according to EnEV 2007, automatic entrance sliding door 3,0 x 2,5 m, handicapped accessible elevators.