In both cases, these are older steel structures from the 70s of the 20th century, for which there is no record of the initial inspection available. Therefore, additional initial inspections of the supporting steel structures were carried out according to ČSN 73 2604. The defects found were recorded, their repair and other measures were proposed, including modernization and partial modifications of the supporting steel structure under the busbars, including a proposal to complete the missing design documentation.
