The refurbishment of the 5-storey 10 000 m2 George Stephenson House in York includes an M&E contract awarded to Balfour Beatty Engineering Services. The building is occupied by ultimate customer Network Rail. The contract includes the design, supply and install­ation of mechanical and electrical services for customer ISG Regions and comprises heating, chilled water, ventilation, domestic services, public health, lighting, power, fire alarms and building-management systems.