General renovation of the Hauzenberg elementary school locksmith work - escape walkways and external stairs.

Locksmith work:

- Supporting structure for 2 escape stairs in the outside area, approx. 2,600 kg, each with 18 lattice steps and platform,

- supporting structure for 2 escape gates in the outdoor area, approx. 2 650 kg,

- approx. 110 m railings made of vertical flat steel, including railing posts and handrails on both sides,

- approx. 10.5 m banister with lacquered steel plates for double-flight internal stairs.