The existing ZNA area (central emergency reception) will be rebuilt and expanded. The conversion will take place in 3 construction phases.

The existing ZNA area will be rebuilt and expanded. The conversion takes place in 3 construction phases. The existing ventilation systems will continue to be used and adapted to the conversion. Essential masses: moving fresh air, without MRA, approx. 17,500m3/h, air duct approx. 1,000m2, air pipe 750m, air duct L90-MRA approx. 340m2, fire dampers approx. 20 hours, smoke extraction flaps approx. 12 hours, volume flow controller approx. 100 hours, HVAC box unit approx. 5,500m3/h, circulating air cooling unit approx. 6 hours, circulating air stand-alone unit approx. 2 hours, circulating air ceiling unit approx. 2 hours.