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The Forecasting Model of the Repair Cost in Apartment Housing - Focused roof water proofing and Elevator work -

공동주택 공종별 수선비용 예측모델 연구 - 옥상방수 공사와 승강기 공사를 중심으로 -

  • Lee, KangHee (Dept. of Architectural Eng., Andong National Univ.) ;
  • Chae, ChangU (Korea Institute of Construction and Technology)
  • Received : 2015.10.17
  • Accepted : 2015.11.20
  • Published : 2015.12.31

Abstract

Purpose: Most if buildings need various repair works for preventing or delaying the deterioration which gives rise to affect the living condition or function after constructed. Therefore, a long-term repair schedule should be planned and a repair cost is required. In this paper, it aimed at providing the statistical forecast model for a repair cost in roof water-proofing work and elevator work using statistical approach with three variables such as number of household, management area and a elapsed year. Data are collected in apartment housings which are located in Seoul area and conducted with interview and questionnaire sheet. Each analyzed work is divided into a partly work and fully work. Results of this study are shown that, first, the regression model takes a multiplying type like a Cobb-Douglas function and is changed into the log-linear type to include the three variable simultaneously. Second, the goodness-of-fit of the repair cost forecasting model has a good statistics in determinant's coefficient and Dubin-Watson value. Third, the management area is stronger factor than other the number of household and an elapsed year in roof water-proofing work and elevator work.

Keywords

References

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