Leakage survey

течове метро

Investigation of leakages along the metropolitan metropolitan tunnels.

течове метро
Detection of potential causes of water leakage through working and dilatation joints. The condition of concrete with traces of extracted calcium hydroxide is investigated.
On the basis of the opinion drawn up, the technology was chosen to remove the deficiencies found and to extend the lifetime of the facilities.

течове тунел

течове метро софия