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. During the power down, all critical equipment is shutdown to eliminate the risk of impact from power outage. Notification signage "Work in Progress. Don't Turn On" to be in place at the power switch to prevent accidental start up of the unit by other people.