About the session
Rob Waller, Senior Electrical Design Engineer, WSP, HS2
• An outline of the station’s physical layout
• HS2 and NR requirements and how these were reconciled to form the integrated station design
• The use and selection of piles as earth electrodes
• The application of the station main earth bar – in effect it’s a ring around the station at which many ‘main’ earth bars are connected.
• Bonding of OCS structures – NR and HS2
• Lightning protection and its integration with the earthing system
• Earthing arrangements at HV power intakes
