Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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THE ROOT CAUSE ANALYSIS PROCESS FOR SCHEDULE DELAY IN CONSTRUCTION

건설공사의 작업지연 원인분석 프로세스

  • Published : 2006.10.31
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Abstract

In constructing projects, there exist various kinds of work interferences, which cause a delay of the outset and completion of planned schedule because of some attributions, such as variability, uncertainty and complexity, and so schedule delay has been treated as a natural phenomenon. To reduce or prevent the schedule delay, a constant confirmation of schedule delay and a preparation of counter plans for finding out the cause structure of schedule delay should have been done. However, all this time the research has been mostly done on the calculation method or claim cases of schedule delay, and the range of analysis method of the cause structure of schedule delay has been multifarious from industrial views to views of specific work. Moreover, the classifying system and analysis method did not consider the trait, which cause the schedule delay, in constructing projects. For this reason, it is difficult to compare the cause of delay factors of the projects and to understand the effect of schedule delay by each factor. This paper restricts the range of the cause analysis of schedule delay to the field of site management in the projects and divides the cause structure of schedule delay into the cause objects and cause attributes of schedule delay according to the input elements. The system of classifying causes of schedule delay is examined by interviews with experts and questionnaire. Additionally, this paper analyzes the attributes of cause attributes and cause subjects and presents the analysis method and procedure of schedule delay with the application of VSM.

작업의 지연을 줄이거나 예방하기 위해서는 작업지연상황을 지속적으로 확인하여 작업지연을 야기하는 원인을 찾아내고 대책을 세워야 한다. 그래서 지금까지 작업지연기간 산정방법 또는 작업지연의 클레임 사례에 관한 연구 등이 이루어졌으나 프로젝트 종료 후 결과에 의한 분석방법이나 원인분류체계를 제시한 것이 대부분이다. 건설 프로젝트는 동일한 조건하에서도 주변 환경에 따라 결과값이 다르게 나타나는 일회성이 강한 분야 중에 하나이다. 따라서 공사 진행 중에 발생하는 작업지연에 대해 효과적으로 대처할 수 있는 분석방법과 절차가 필요하다. 본 연구는 작업지연 원인분석 범위를 프로젝트내의 현장관리 분야로 국한하고 작업지연 원인분류 체계를 투입요소를 대상으로 작업지연 원인인자와 작업지 연 원인속성으로 나눴다. 작업지 연 원인분류 체계는 전문가 인터뷰 및 설문조사를 통해 검증하고 작업지 연 원인속성 및 원인인자의 특성을 분석하고 VSM을 응용한 작업지연 원인 분석방법 및 절차를 제시한다.

Keywords

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