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Productivity Improvement through the Waste Elimination of Construction Process  

Mun Jeong-Mun (광운대학교 대학원)
Kim Chang-Duk (광운대학교 건축공학과)
Publication Information
Korean Journal of Construction Engineering and Management / v.3, no.4, 2002 , pp. 93-103 More about this Journal
Abstract
The reinforcement concrete work is the work affected by structural safety, durability, and schedule with form work. The domestic reinforcement concrete works have mainly worked the process of re-barfabrication/assembly on site. Finally it have low productivity. Then this paper analyzed waste factors and the process of re-bar fabrication/assembly on site for the productivity improvement and value-added productivity improvement. Waste factor analysis aims at maximizing value-added by the value analysis of re-bar fabrication and assembly on site. Finally, Value-AddingActivity(VAA)ismuchlessthan non-value adding activity. Especially, Non-Value-Adding Activity(NVAA) generates waste such as the activity steps, labors, equipments, materials, time, and soon. And it was non-flow production, over production, and analyzed into having to shift value. This paper aimsat maximizing value-addingactivity and minimizingnon value-addingactivity through waste factor analysis in process for the improvement of value added productivity.
Keywords
value-adding activity(VAA); non value adding activity(NVAA); waste facto;
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