A general unit containing preparatory work and information required to execute an operation, renovation, modification or maintenance task.
E.g. reference to tools needed, reference to safety precautions etc.
For Periodiskt underhåll there might be information about necessary tools, articles of consumption, conditions, general information about how to perform the maintenance task.
It can also involve e.g. connecting a measuring device, demands to obtain in the Vad-Hur-procedure.
As for Förrådsställning, delimitations, special instructions, references to required documents, technical overhaul are examples of information that can be stated here.
As for Installation, Före also can include regular tasks to be performed before the actual installation takes place. E.g. at installation of an electric plant it is necessary to cast a foundation. This has to be described within Före, not as an installation task. Otherwise Före contains the same information as the other Före.