MERO double-curved spatial structure supporting solid external and internal envelope: MERO KK system (Fabricated by MERO-TSK Germany) made of solid steel ball nodes and CHS members.

Nodes with diameter between 110 and 350 mm and up to 16 threaded holes in different directions. Due to double-curved geometry all nodes and members are different and individually produced. Members with diameter from 60.3 to 273 mm automatically prefabricated of steel cones, CHS pipes, threaded bolts and sleeves, up to 4.5 m long.

All node and tube connections assembled on site without any welding. To achieve high corrosion protection all parts are galvanized and coated in accordance with DIN EN ISO 12944.

All Items are under strict MERO quality control in accordance with DIN ISO 9001 and ISO 14001.

Curved boot columns at ground level connection points enable inverse peel of solid external skin on the west side of the building from the plaza floor surface.