Konsekvensen av sena ändringar i byggproduktionen : En utredning av ändrings-PM under produktionen
Sammanfattning: This thesis project examines changes to building documents during the product development in the construction process, which is referred as revision memos in this report. The study is made in cooperation with Serneke and is therefore limited to project within this company. Furthermore, the information in this study is based on relevant literature as well as interviews, a poll and material from three of Serneke´s projects. The results show that the examined projects have exceeded the estimated design cost due to changes made during production. By investigating the revision memos, the conclusion was that performing construction, commercial projects and rebuilding projects generate more revision memos as well as the architect and constructor had the greatest number and most expensive revision memos. It also appears that the number of revision memos of other disciplines varies between projects. Furthermore, the design process seems to generate many mistakes that appear in the production, which means that an improved design process with experience feedback and collision control should detect mistakes at an earlier stage. Recommendation for future projects is to make use of the contractors knowledge of production early in the design stage, to use experience feedback and collision control, to introduce a date for last additions, to use Swedish standard when establishing revision memos and to not execute changes before a revision memo is published. In conclusion of this project follows a few recommendations for continued investigation of this field of study.
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