CS would carry out BJFR annual power down for general office starting from 20:00 Jun 19 and for critical area starting from 06:00 Jun 20. CS would recover all system by 18:00 Jun 21. The annual power down would be implemented to both general and critical power system. This will require a full building power down of COMMS Rooms and Closets. All IT and security systems will be shut down in advance.