Construction of 20 kV Line from 20 kV Switchgear to Transformer T1 at Etropole Substation

This open procedure tender by the Bulgarian electricity network operator (MREZHOVI EKSPLOATATSIONEN RAYON - SOFIA OBLAST) concerns ancillary works for power lines at the Etropole substation. The works include construction of one reinforced concrete foundation and one steel lattice tower for a 20 kV line, plus four foundations and two steel lattice portals for a 110 kV switchyard, in connection with replacement of a power transformer. The contract is for a single lot with a 90-day performance period and an estimated value of €71,000. Award is based on lowest price. Key eligibility requires registration in the Bulgarian Central Professional Register of Builders (CPRS) at minimum third group, second category (or equivalent for foreign entities). Inconsistencies exist between structured data and the XML notice regarding EU funding (claimed EU-funded vs. no EU funds) and overall duration (90 days vs. 180 days). No procurement documents beyond the notice were analyzed.