Development of design and technical documentation including: preparation of the design and technical documentation with a photo inventory, laser scanning and digitalisation of the 110 kV line, overhead line sag measurements with line ratings, temperature and weather conditions (exposure to sunlight, cloud cover, wind speed), report on power line spans with excessive sag with necessary documentation, longitudinal sections of the 110 kV line. Supply and installation of temperature monitoring equipment for the 110 kV line, integration of the temperature monitoring system with SCADA, start-up of installed devices, performance tests, measurements.