Each worker now manages the cases of slightly more than 40 children, state figures show.
Although most workers managed to escape as he entered, four people were held for two hours and then released.
Others escaped when several workers managed to break open a few of the doors, though for many this came too late.
Two workers managed to jump to safety on the bridge.
Other workers on the first floor managed to escape.
The workers manage the job and call in help only when problems arise.
Radio reports said 10 workers managed to escape, but police could not immediately confirm the figure.
Five other workers managed to clear the track when they spotted the train.
According to state figures, each worker currently manages the cases of slightly more than 40 children.
By adjusting the controls, the workers had managed to 'work the system' to their own advantage.