Sequence of operations

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The result and the number of cycle elements , which in a process analysis are determined referred REFA with sequence .

A distinction is made between:

  • Sequence with regular repetitions,
  • cyclical sequence,
  • in rows (piece by piece) sequence and
  • changing or irregular sequence.

The sequence is a selection criterion for the at a time study employed time recording sheet or the recording be selected systematics.


  1. REFA Association for Work Studies and Business Organization e. V. (Hrsg.): Methodology of the company organization: Lexicon of the company organization . Munich: Carl-Hanser, 1993. - ISBN 3-446-17523-7 . Page 11.