Switzerland – Architectural, construction, engineering and inspection services – Montageabnahme LWL 2027 und 2028 von Freileitungen und Masten

The subject of the tender is the performance of installation inspections in connection with the replacement of existing earth wires with OPGW 144 FO wires on various high-voltage overhead lines of Swissgrid. The contract is divided into two lots: * Lot 1 – German-speaking Switzerland, Ticino: Installation inspections on the projects TR1011, TR1270 and TR1930 with a total of 361 poles and approximately 125 km of line length. * Lot 2 – Western Switzerland: Installation inspections on the projects TR1570, TR1600 and TR1602 with a total of 319 poles and approximately 104 km of line length. The services include, in particular, the inspection of earth wire fastenings, wire loops and wire leads, vibration dampers and bird flight diverters, as well as the wire sag. Depending on the project, additional Latchway systems, climbing devices or climbing bolts as well as further implemented adaptations to the overhead line systems are to be inspected. The installation inspections carried out are to be documented according to the specified acceptance protocols. The detailed scope of services as well as the project-specific requirements and quantities can be found in the tender documents.