What is it about?
This paper uses value stream mapping (VSM) as a lean technique in the production phase of Pprefabricated steel frames (PSFs) in a case study. The case includes construction of three 16-story residential buildings made of PSFs with bolt and nut connections in Iran. The production processes are investigated, and the current state of the production line is examined. The VSM uses elaboration of maps to identify the current state of production, diagnose wastes and their root causes, and finally, propose improvements in the future state. To investigate the productivity of the production line and implement lean principles, discrete event simulation (DES) was carried out.
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Why is it important?
The results showed 34 % reduction in the lead time of production and 16 % reduction of costs. These results support the hypothesis that lean principles can be successfully applied to industrialized and prefabricated construction.
Perspectives
I hope this article helps to improve production process of pre-fabricated steel frames of buildings.
Dr Gholamreza Heravi
University of Tehran
Read the Original
This page is a summary of: Production process improvement of buildings’ prefabricated steel frames using value stream mapping, The International Journal of Advanced Manufacturing Technology, August 2016, Springer Science + Business Media,
DOI: 10.1007/s00170-016-9306-9.
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