Issue: cross over lead-in wire set at incorrect height

Risk: impact damage to pantograph and horn, infrastructure failure at section joiner, service downtime for emergency repairs

Value: early identification of introduced defects and ability to validate and improve maintenance procedures


Lead-in wire set at incorrect height on a cross-over line causing contact over pantograph horn, loss of main overhead electrical contact, impact arcing across all electrical overhead lines and pantograph carbon impact damage. This alert emphasizes how a lead-in wire set at the incorrect height impacts infrastructure and rollingstock. In this instance, the defect has been introduced and an alert generated at the location on the same day. With this data, including a historical log at this site, the operator can schedule maintenance and monitor the location before and after repairs are carried out.