Journal of the Korea Safety Management & Science (대한안전경영과학회지)

Korea Safety Management & Science (대한안전경영과학회)
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Efficiency Analysis of the Labor Input for Safety Management in Construction Sites

건설현장 안전관리 인력투입에 대한 효율성 분석

  • Yang, Yong Koo (Safety Engineering, Graduate School of Korea National University of Transportation) ;
  • Kim, Byung Suk (Safety Engineering, Graduate School of Korea National University of Transportation)
  • 양용구 (한국교통대학교 대학원 안전공학과) ;
  • 김병석 (한국교통대학교 대학원 안전공학과)
  • Received : 2015.10.19
  • Accepted : 2015.12.11
  • Published : 2015.12.31
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Abstract

This study analyzed the safety management efficiency through input-oriented BCC Model using DEA by making of Models, in which this study selected the number of staff affiliated with the construction site, number of staff members on the construction team, and number of safety personnel as Input Factor, along with the number of disaster victims and zero-accident accomplished hours as output elements, targeting 40-or-so apartment building construction sites which are being built by 3 domestic construction companies. As a result of efficiency, it was 0.643, the number of efficient DMU was 4. In the aspect of returns to scale, 21 construction sites(52.5%) found to be in a state of increasing returns while 14 construction sites(35%) was in a state of Decreasing returns. The reason for inefficiency was found to lie in technical factors in case of 30 construction sites(75%). Lastly, inefficient DMU is in need of 38.9 % and 66% reduction in site personnel and safety personnel. Based on study results, the 29 construction sites accounting for 72.5% of DMU for safety management efficiency evaluation object turned out to do inefficient safety management that doesn't fit the size of each company.

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References

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