Visual Contact

see also Line of Sight; Only rooms having a direct line of sight to the outside with windows corresponding to a t least 5 per cent of the floor area may be used as workrooms.
If the workroom (part of the room or its fictitious partitioning) is not used for longer than two hours a day or if the room serves as a booth for master craftsmen, doormen or cashier´s desks, the line of sight may also be to an adjoining room. See also: Light Ingress Areas and Permanent Workstations.