Reconstruction and extension of the sewerage system

Reconstruction and extension of the sewerage system in the Liberec-Jablonec nad Nisou conglomeration, which consisted of six partial constructions in the town of Liberec, two partial constructions in the town of Jablonec nad Nisou, extension of the sewerage system in Straz nad Nisou and building of storm water basins. In total it involved reconstruction and extension of the sewerage system to the total length of approx. 12.31km. Constructions in Liberec labelled B XI sewer (Frantiskov) and B XXVII sewer (both in Vratislavice nad Nisou), building a sewerage system in Straz nad Nisou and constructions in Jablonec nad Nisou: J_A1 and J_A2 sewers were done using excavation technology and eventually as repairs of the existing sewer pipes.