Evaluating Site Performance Through the TFV-Theory
Anssi Koskenvesa1 & Lauri Koskela2
1Researcher, Faculty of the Built Environment, Tampere University of Technology; Finland. Phone +358 40 581 4263; [email protected]2Professor, School of the Built Environment, University of Salford; UK. Phone +44 161 2957960; [email protected]
Abstract
The objective of this paper is to evaluate how our understanding and findings change when moving from the traditional conceptual model of productivity to analyzing performance through the TFV-theory. This paper first endeavours to compare the original prescription of the traditional conceptual model of productivity and performance with TFV-theory through literature study. This comparison is carried out in the context of construction management. To investigate the differences in practice, two case study sets of data were analyzed. Performance data on each of the 27 tasks was evaluated from transformation, flow and value view. This exercise illustrates how a performance evaluation through the TFV-theory focuses, besides the transformations (T), on the delays and production rate differences (F) as well as on quality or safety performance (V). In so doing, it addresses the possible causes of poor performance, and also the related solutions. These causes and solutions remain invisible in productivity evaluations.
Keywords
TFV-theory, transformation, flow, value, production, site performance, lean construction
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Reference
Koskenvesa, A. & Koskela, L. 2011. Evaluating Site Performance Through the TFV-Theory, 19th Annual Conference of the International Group for Lean Construction , -. doi.org/
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