It is crucial to expose examples of good renovation practices which have been applied during the Bologna process. In the article, the authors present a concept, steps and activities carried out in the process of renovation of the study programme Sanitary Engineering at University of Ljubljana, Slovenia. Results of the survey among graduate sanitary engineers and their employers were used as a starting point for the preparation of the content and the concept (4+1) of the renewed study program. Activities (inquiry among graduates, meetings with employers, public promotions etc.) carried out in the process of renovation proved to be optimal for the renovation of this, the field of public and environmental health assurance, very important study programme.