Heathrow Airport This project at Heathrow Airport consists of the M&E fit out of the new Vertical Circulation Core in building 234. Works are within the live operational terminal and the existing plant is to be kept operational until new the roof plant AHU is installed and commissioned. Designer Group’s involvement in this project consists of power to new lifts, new escalators, lighting masts, lightning protection, general power / lighting and lighting control. Heathrow Airport, Terminal 2 VCC is an 82-week long programme which started on site in September 2019.