Ventilation work.

- approx. 2 central ventilation units;

- approx. 1 roof exhaust fan;

- approx. 700 m 2 Air ducts and molded parts;

- approx. 1 piece of exhaust air device;

- approx. 200 m folded spiral ducts;

- approx. 90 fire dampers;

- approx. 65 poppet valves;

- approx. 25 pieces of ventilation grille.