With a view to analyzing the influential factors and their prioritization in association with the loss from construction disasters, this study has presented relative weighted value and importance for each category of loss by making a systematic classification of costs for non-insured categories (indirect costs) and conducting AHP analysis based on results of a survey of specialists. Through the study, first, I have divided the larger classification of loss factors into human loss factor, financial loss factor, special cost factor, and managerial loss factor, and, second, have presented prioritization of loss categories by allotting scores based on weighted values after calculating weighted value through pairwise comparison of loss levels. Based on these results of the study, we should be able to qualitatively calculate the loss costs that construction disasters inflict on business, promote rational decision-making and efficiency in spending related to a disaster, and compare it against safety investment designed to reduce disaster loss from the perspective of business strategy.

구조물의 경제성 분석은 그 프로젝트의 실행을 결정할 수 있는 중요한 요소이다. 본 논문에서는 대공간구조물의 경제성 분석을 위하여 기존에 건설된 대공간 구조물(제주 월드컵 경기장)의 건설비용을 분석하여 경제성 분석 모델의 구축을 위한 기초 자료를 제공하고자 하였다.

This study delivers the actual condition of investment for industrial accident prevention based on survey of 526 construction sites. The various research techniques were used such as technical statistic analysis for construction industry, construction and civil engineering works, cost comparison of industrial accident prevention and accident loss. A formula was deduced to calculate accident loss and accident frequency by accident prevention cost through regression analysis.

This study delivers the actual condition of investment for industrial accident prevention based on survey of 526 construction sites. The various research techniques were used such as technical statistic analysis for construction industry, construction and civil engineering works, cost comparison of industrial accident prevention and accident loss. A formula was deduced to calculate accident loss and accident frequency by accident prevention cost through regression analysis.

The purpose of this study is to measure the cost-benefit of a road construction project in Vietnam through international development cooperation, which includes private grants and Official Development Assistance(ODA). In developing countries, it is difficult and costly to use data on markets, the CVM(Contingent Valuation Method) to measure the WTP(Willingness-to-Pay) as the benefits of road construction are used. A total of 232 villagers in 16 villages of Lao Cai Province in Northern Vietnam have been surveyed. It is found that the Benefit-Cost Ratio(B/C) in all 3 models are found to be well over 1.0, ranging from 2.8 to 3.64 with the discount rate of 0.06. These BC ratios imply the road construction project in Lao Cai can be justified. Also, it is found that the shortened travel time is the most relevant factor for WTP among direct benefits and the enhanced academic achievement of the children is the most relevant factor among indirect benefits, due to easier and faster access to schools, which in turn increase the school attendance rate. The result of this study can be used to justify other similar projects in Vietnam, even though the benefits may have to be reassessed in other countries.

본 연구에서는 건설폐기물의 발생단계, 즉 건축물의 신축이나 해체현장에 투입하여 활용할 수 있는 이동식 혼합건설폐기물 분리･선별 장치를 개발하였으며, 이를 활용하였을 때 예상되는 건설폐기물 처리비용의 변화를 분석하였다. 이동식 혼합건설폐기물 분리･선별 장치는 1일 8시간 작업기준으로 16 ton의 혼합건설폐기물을 처리할 수 있게 설계하였다. 주요 처리시스템으로는 트롬멜을 사용하였으며, 1차적으로 무기물질과 유기물질로 분리･선별한 후, 무기물질은 다시 재활용 용도의 효율성을 고려하여 입형별로 15 mm 이하, 15~30 mm, 30 mm 이상으로 구분하여 분리할 수 있게 하였다. 유기물질 또한 1차적으로 무기물질과 분리･선별된 후 최종적으로 폐목재와 기타 가연성물질로 분리할 수 있도록 제작되었다. 이와 같은 사양을 가진 이동식 혼합건설폐기물 분리선별 장치의 제작비는 제작사별로 일부 차이가 있겠지만 1대당 약 75,000천원으로 산정되었으며 연간유지관리비는 약 101,600천원으로 책정되었다. 해체현장을 대상으로한 혼합건설폐기물의 처리 비용변화를 살펴보면, 현행 톤당 35,526원 이었으나 본 장치를 활용할 경우에는 장치 제작비 및 운영에 소요되는 비용과 재활용 처리비용까지 포함하면 51,480원으로 기존 처리방식 대비 약 45%가 증가하게 된다. 따라서 자원의 실질 재활용율을 높이고자 하는 측면에서는 오히려 현행의 매립비용의 상승이 필요할 것으로 판단되며, 영국의 사례와 같이 매립비용을 고형연료화 등의 자원 재활용 비용보다 높게 책정하여 시장에서의 자원재활용율을 높이는 정책적인 지원이 필요할 것으로 판단된다.