• Korean Journal of Construction Engineering and Management
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• v.9 no.2
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• pp.170-181
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• 2008

Cost of construction project have to be estimated based on drawing before execution. Cost estimate and check would be performed numerously for preparing general outline of requirements and determining the budget at conceptual planning stage, for obtaining decision on every matter related to design, specification, construction and cost at design stage, and for predicting bidding cost. Thus, importance of cost estimation cannot emphasize too much in construction. However, there are lack of standard estimation method, process, and cost analysis method, that square foot estimation method is as used as eyer, in Korea. Thus, This research present the direction for improving cost estimation and management in construction; It is demanded that establishing standard data base methodology, multi-level database model CUBE, and standard cost planning process, choosing cost estimation methodology according to objectives and cost planning process, and making more experts.

• Korean Journal of Construction Engineering and Management
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• v.23 no.5
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• pp.65-76
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• 2022

The New Excellent Technology (NET) designation system, introduced in 1989 for the purpose of promoting the development of domestic construction technology and enhancing national competitiveness, reviews the statement of construction cost of new technologies. And the cost reduction effect such as design, construction, and maintenance cost and the effect of reducing the construction duration are evaluated as an evaluation criteria of economic feasibility. However, in this evaluation process, differences of opinion between the institution of construction cost estimating standard management and the new technology developer about unique technologies frequently occur. In addition it is difficult to objectively compare the construction duration with existing similar technologies because there is no information on productivity as the current cost estimating standards for new technologies only present the required amount per unit quantity. In this study, the current state of cost estimating criteria review procedure, evaluation criteria, and cost estimating standards establishment method were analyzed when screening for the designation of a new construction technologies, and compared with overseas cost estimating standards, measures to improve the cost estimating standards of current construction new technologies were suggested. Through the improved cost estimating standards of this study, it is expected that cost information on new technologies will be provided to clients in more detail than the current ones, and the availability and applicability of new construction technologies would be improved by simplifying the construction cost calculation process more.

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 2000.11a
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• pp.399-404
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• 2000

건설업은 제조업에 비해 재해로 인한 사망률이 높은 산업이다. 대부분의 건설공사는 제조업과는 달리 고정된 생산현장이 아닌 단품수주에 의한 1회성 현장생산에 의존하고 있으므로 안전관리가 체계적으로 이루어지지 못하고 상황에 따른 임기응변적인 경우가 많다 또한 안전시설물의 설치도 매회 공사시마다 새로이 설치해야하므로 시간적ㆍ경제적 이유로 인해 소홀히 취급되기 쉽다. 건설재해에 대한 책임은 일차적으로 건설업자에게 부가되지만 건설공사 작업자의 안전에 설계자도 중요한 영향을 미친다./sup (4)/ 따라서 설계시에는 건설공사의 안전을 고려하여야하며, 공사계획시에는 공사안전관리의 대상을 명확히 해야 한다.(중략)

• Proceedings of the Korean Institute of Building Construction Conference
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• 2021.05a
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• pp.261-262
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• 2021

Increasing construction costs are required due to increasing the supply of small type houses with changes in multi-family housing trends. However, a sharp rise in the construction cost of small type houses can raise the sale price, threatening the stability of national housing. Therefore, this study aims to estimate the change in the construction cost of small type houses from the basic construction cost of the sale price ceiling system and suggest an improvement plan.

• Korean Journal of Construction Engineering and Management
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• v.16 no.6
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• pp.63-72
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• 2015

The importance of the appropriate use and procurement of Safety and Health Expense has been increasing along with the recent increase of construction projects in height, size and complexity. However, the current standards for deducting the Safety and Health Expense have shown limitations in applying the properties and environment of the construction project due to its Safety and Health Expense Rate's classification method. Therefore, the purpose of this study is to develop a prediction model for the Safety and Health Expense that enables the consideration of different environment and properties of construction projects. The study uses multiple regression analysis to analyze the Safety and Health Expense of Ordinary(A) of less than 0.5 billion WON. The research results have shown that the use of multiple regression analysis reduces the error rate to 4.38% which the current standard calculation method have shown 18.48%. Therefore, the use of the suggested model provides reliable Safety and Health Expense prediction values that considers the properties of the project. It is expected that the results of this study contributes to the effective safety management by providing the appropriate amount of Safety and Health Expense to the project. In this study, only projects of less than 5 billion WON have been considered in the analysis. Therefore, more data is required for future studies to suggest an overall Safety and Health Expense predict ion model that covers the whole construction industry.

• Korean Journal of Construction Engineering and Management
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• v.6 no.1 s.23
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• pp.162-168
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• 2005

Index adjusted ratio method has been widely utilized in public construction sector for contract sum adjustment by price fluctuation. In this method, the Production Price Index are used for the base ratio, but the PPI can't reflect the character of construction project in respect of the selected items and weight. In this research we prove the problem of using the index adjusted ration method in contact sum adjustment by price fluctuation, and improve it by using the construction cost index, which has the property of construction project. And we figure out the efficiency of the proposed method by case study.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2008.11a
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• pp.212-215
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• 2008

When managers predict exact construction cost at early stage and design phase, they can reduce construction cost in a more efficient way than to predict at construction stage. But present of public construction cost estimation and management almost after the construction documents design phase. Therefore, construction cost management in the early stage and schematic design phase to generally use approximate estimating is not correct. Accordingly, this study analyze problem of current cost estimating method and a concrete cost plans make using case information of actual cost to analyze in schematic design phase. Possible to check going on the suitable design, this study conducts the preliminary research for the development of cost estimating model.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• autumn
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• pp.485-490
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• 2003

Nowadays the rapid change in construction environment getting more globalized and complicated has caused lots of unexpected risks from inside and out of the country, so more sophisticated construction management strategies are being strongly needed. This paper suggests a risk management model with which we can estimate the appropriate contingency by quantifying the amount of probable risks immanent in large construction projects, which have a high degree of uncertainty in the anticipation of the total construction cost. To develop the model, the risk factors that make cost variations are elicited based on the real data of the contingencies assigned to the past projects. Furthermore, the influential relationship of risk factors is structured by applying the CRM(Cost Risk Model) which is the synthetic model of Monte Carlo Simulation, Influence Diagram and Decision Tree. The ultimate outcome of this research can by validated by tile case study with a large construction project performed.

• Journal of the Korea Construction Safety Engineering Association
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• s.24
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• pp.98-104
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• 1997

다음은 지난 ‘95년 12월 노동부에서 그동안의 산업안전보건법과 관련한 질의에 대한 회사를 취합하여 묶은 질의회시집 중 건설공사 표준안전관리비와 원ㆍ하도급 등에서의 안전ㆍ보건조치 의무에 관한 사항을 발췌한 것이다.

• The Safety technology
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• no.170
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• pp.12-14
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• 2012

경기도 광주시에 위치한 성남-장호원 도로건설공사 현장. 이곳은 성남에서 장호원을 연결하는 국도 3호선 공사 6개 공구 중 2번째 공구로, 현대건설이 시공을 맡고 있다. 연장 6.3km 6차선 도로를 신설하는 대규모 공사로, 공사비만도 무려 3,924억원에 달한다. 게다가 도로의 상당부분이 교량과 터널로 구성되어 있어 공정도 상당히 까다로운 곳이다. 즉 전반적으로 관리가 매우 어려운 현장이라고 할 수 있다. 헌데도 이곳은 2002년 3월 착공에 들어간 이래 현재까지 무재해를 이어가고 있다. 실로 이곳 현장의 안전관리가 얼마나 철두철미한지를 느끼게 하는 대목이다. 안전으로 도로건설공사의 새로운 교범을 만들어가고 있는 이곳 현장을 찾아가봤다.