The feeling of calmness of operators in a control room is an important sign. They understand “the process”, and it is “under control”. So, repetitive actions are not there’s job, like waste feeding, kiln control, etc., this is the job of the PLC.

Next to it, it is a room where you see what is happening, where operators in the field may ask interaction with SCADA in a safe way. The control room also has space for technical meetings.

Of course, if something happens (force majeur), like a fire, it is always possible to escape from there and leave the installation in a safe mode.