The work executed for Telekomunikacja Polska S.A. was to build and expand the existing teletechnic pipelines with copper cables inside. It allowed connecting new subscribers and widening the offer to the present subscribers with better quality services. FONBUD also built the main fiber optic lines transmitting signals between the network elements. The investments, carried out south of Wroclaw, were part of a modernization process adapting the infrastructure to the technology progress and the operator’s expansion.