7) The Cable Ducts now run beneath your feet, with wooden flooring access points at every turn and room junction. An example of a floor section can be seen more clearly here. The exhaust ventilation duct is now clearly seen (upper right). The Main Blast Doors are at the end of the corridor, where a short extension acts 'in concert' with the entrance tunnel to provide a 'Blast Trap'. Electrical services from the Transformers run within the ducting seen on the left hand wall of the corridor, entering the main operations block above the Main Blast Doors. Walk forward towards the main blast doors...

 

 

  Where am I?.....7) Jump to map! For an Emergency Exit! .....
Copyright Mark.A.Bennett @ Subterranea Britannica 2000