• 제목/요약/키워드: Construction project

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Dynamic Modeling of Building Services Projects: A Simulation Model for Real-Life Hospital Project

  • Abhishek, V.;Jagadeesh, P.
    • Journal of Construction Engineering and Project Management
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    • v.3 no.3
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    • pp.35-41
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    • 2013
  • All infrastructure projects are said to be inter-dependent, uncertain and labour-intensive in nature. There is no exception for building services sub sector. For a real time project such as 'The construction, extension and refurbishment of Employees' State Insurance Corporation (ESIC) Hospital at Tirupathy, India with total area of 45,000 square feet at an estimated cost of 1100 million rupees, a generic process model is developed to simulate the effect of set of identified variables on construction project. The 'Stocks and Flows' of dynamic model affords relevant insights to project managers, who apply this knowledge when designing better performance through more appropriate project planning. It is concluded from the model-based approach that building services works can be improved through specific better focussed managerial efforts, such as an increasing coordination effectiveness at the planning stage, clarifying prerequisite conditions prior to installations. Otherwise, pending works arising from work clashes can lead to knock-on effects resulting in productivity constraints and pressures, as well as more rework and demolition. Current study reveals that the model enables deep insight into various interdependent processes, their by improving construction performance levels, by addressing the dynamics of design errors and defective works, and recovering delayed schedule.

Decision-making Reliability Estimation Model based on Building Construction Project Participants' Experience

  • Kim, Chang-Won;Kim, Baek-Joong;Yoo, Wisung;Cho, Hunhee;Kang, Kyung-In
    • Journal of the Korea Institute of Building Construction
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    • v.13 no.2
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    • pp.148-158
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    • 2013
  • Generally, building construction projects have a complex decision-making process because of the participation of various agents. In this situation, a final decision is arrived at by relying on subjective judgments based on the experience of project participants. For this reason, a method of assessing the objectivity of opinions is needed. In previous studies, the multi-criteria decision making method was applied to arrive at a final decision objectively, but this method has a limitation, in that the experience of each decision maker is not considered differently in the decision making process. Therefore, this study proposed a theoretical model using the S-shaped growth curve and regression analysis by building construction project type to quantitatively estimate decision-making reliability according to the experience of individual project participant`s. The developed model could be added to the Multi-criteria decision making method, and secure the objectivity and reliability of project participants' final opinion.

Disputes in Managing Projects: A Case Study of Construction Industry in Vietnam

  • VO, Khoa Dang;NGUYEN, Phong Thanh;NGUYEN, Quyen Le Hoang Thuy To
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.8
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    • pp.635-644
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    • 2020
  • The construction industry in developing countries like Vietnam, which incorporates small and medium construction enterprises, is typically more prone to disputes and contract dispute-related lawsuits. A dispute may occur at any time in the life cycle of the project. It is sometimes solved with the intermediation of a lawyer or directly by stakeholders. Understanding the causes of disputes in a construction project not only improves the efficiency of a company but also increases the success of projects. This study was carried out using a questionnaire survey at construction projects in Ho Chi Minh City. Sample data with 117 observations were analyzed to find the disputing factors in construction projects: diversity of working style among the parties; reluctance to work; and poor teamwork. Correlation coefficient on a rank of factors between design consultant and contractor; Design consultant and project owners are positively correlated. The Exploratory Factor Analysis (EFA) analysis identified six groups of factors in construction disputes: cooperation, technology, economics, productivity, information, and behavior. The findings are useful for enterprise practice and provide participants with an overview of sources of dispute. Thus, a more complete risk management plan can be formulated, which will accelerate project progress and improve the likelihood of success.

A Study on Schedule Management in Construction Projects by CCPM (CCPM을 이용한 건설사업 일정관리에 관한 연구)

  • Park Young-Min;Kim Soo-Yong;Kim Ki-Young
    • Korean Journal of Construction Engineering and Management
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    • v.5 no.5 s.21
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    • pp.84-92
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    • 2004
  • Construction work varies with the project types. However, the success of all project types depends upon three conditions i.e. schedule, quality and cost. If these three conditions are fulfilled, then project said to be successful. In this paper, scheduling of a construction Project has been dealt with the application of CCPM method. CCPM has been introduced as a new theory in construction industry in 1997 at the United States, but its application is still insufficient in domestic field due to the absence of systematic study, A simulation has been conducted in a Bridge construction project to validate the possibility of CCPM in order to complement PERT/CPM in construction field. The result of study shows that the CCPM could be effective to reduce the project time duration than existing PERT/CPM technique.

A Study on the Calculation of Construction Project Cost of Healthcare Facility Business Plan (의료시설 사업계획서의 건축사업비 산정에 관한 연구)

  • Choi, Kwangseok
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.27 no.2
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    • pp.7-14
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    • 2021
  • Purpose: The purpose of this study is to provide an effective construction project cost estimation tool for preparing a business plan of healthcare facilities which can be practically used for development projects. Methods: In order to provide a tool for calculating construction project costs, this study analyzed the Building and Related Laws, the Building Technology Promotion Laws, the Ministry of Land, Infrastructure and Transport notifications and directives, the Ministry of Trade, Industry and Energy notifications, the detailed guidelines of the Ministry of Strategy and Finance, the Building Service Industry Promotion Acts, various certification standards, actual project budget calculation cases, etc. with advices from related experts. Results: 1) Construction cost is classified into construction costs, architectural design costs, supervision costs, incidental costs, and each sub-element. In particular, since there are many incidental cost items, essential items to be reviewed during planning are derived and costs are calculated according to appropriate consideration criteria. 2) Criteria for Payment calculation mainly applies the construction cost rate method or the actual cost fixed amount method in consideration of the characteristics and scope of work. Implications: There are many calculation factors that need to be applied to the construction project cost. Therefore, it is necessary to organize the calculation process more clearly.

A Study on the Effects of Risk Perception and Opportunism on the Project Performance (위험인식과 기회주의 행동이 프로젝트 성과에 미치는 영향에 관한 연구)

  • Yoon, Chang Soo;Jo, Dong Hyuk
    • Journal of Korean Society for Quality Management
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    • v.50 no.1
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    • pp.63-76
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    • 2022
  • Purpose: The purpose of this study is to analyze the effects of risk perception and opportunistic behavior on project performance and the moderating effect of cooperation in this relationship through literature review to identify factors affecting the performance of large-scale nuclear power plant construction projects. Methods: This study conducted a survey on nuclear power plant construction project participants and verified the hypothesis using statistical methods. Results: The results of this study are as follows; First, risk perception appeared to have a positive effect on opportunistic behavior, and it was confirmed that opportunistic behavior among participating companies could occur even in nuclear power plant construction projects. Second, it has been proven that risk perception has a negative effect on project performance as suggested in previous studies. Third, in the relationship between opportunistic behavior and project performance, it was found that opportunistic behavior had a negative effect on project performance. Finally, cooperation was found to have a moderating effect on the relationship between performance risk and project performance. Conclusion: This study is a case of empirical analysis targeting nuclear power plant construction project workers, and provided a basis for reference in future related academic research and project implementation.

Stakeholders' Perception of the Causes and Effects of Construction Delays on Project Delivery

  • Akinsiku, Olusegun Emmanuel;Akinsulire, Akintunde
    • Journal of Construction Engineering and Project Management
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    • v.2 no.4
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    • pp.25-31
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    • 2012
  • The growing rate of delays is adversely affecting the timely delivery of construction projects. This study therefore assesses construction stakeholders' perception of the causes of delays and its effects on project delivery in a bid to proffer solution in minimizing the occurrences of delays. Questionnaire was used to elicit responses from construction stakeholders; a total of thirty three causes of delays, seventeen resultant effects of delays and fifteen methods of minimizing construction delays were identified for the study based on literature reviews. The results suggest that client's cash flow related problems are the main causes of delays while time and cost overruns are the major identifiable effects of delays in construction projects. However, adequate project planning and budgeting were suggested as possible ways of minimizing the occurrences of delays.

A Study on the Determining Factors For Assessment Criteria of Project Performance Capability of CM(Constuction Management) Considering Safety (안전을 고려한 건설사업관리 용역업자(CM) 사업수행능력 평가기준 요인 도출 연구)

  • Kim, Do-Su;Shin, Yoon-Seok
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2019.11a
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    • pp.52-53
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    • 2019
  • The construction industry has the most safety accidents among domestic industries. Special care must be taken because disasters in the construction industry lead to social problems caused by huge property losses and casualties. As a result of this, there is a growing awareness of disasters occurring in the construction industry, and government departments are tightening regulations on safety management. In particular, the OSHA(Occupational Safety and Health Agency) focuses on the expansion of protection targets and the clarification of responsibility in the full amendment OSHA. As a result, a study that focuses on safety management by client's responsibility is needed. In this study, the project performance capability assessment of construction project management contractors, which is being carried out with uniform assessment criteria without considering the characteristics of the construction project, is considered and all the amendments to the OSHA are considered, and the factors were derived for improvement measures.

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AN EXPLORATORY STUDY ON THE IMPACT SIGNIFICANCE OF PROJECT STAKEHOLDERS ON CONSTRUCTION PROJECT HEALTH AND SAFETY (H&S)

  • Innocent Musonda;Theodore Conrad Haupt
    • International conference on construction engineering and project management
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    • 2011.02a
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    • pp.621-628
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    • 2011
  • Health and safety in the construction industry continue to fall behind many industries despite much effort to improve the status. A considerable amount of research has been conducted to try and contribute to addressing the problem of health and safety (H&S) in the construction industry. A number of studies have looked at the role of various construction project stakeholders and their contribution to H&S. However there is no clear identification of the extent to which various stakeholders could contribute and therefore influence the outcome of H&S on construction projects. In view of the above, the current Delphi study went a little bit further and sought to establish the impact significance of construction clients and designers on H&S. This paper will present findings from the study which is the impact significance of clients and designers on H&S consideration throughout the project life cycle.

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Development of BIM Functions and System for Construction Project Through Project Life Cycle -Focusing on Bridge Construction Project- (건설프로젝트 생애주기 BIM 활용 기능도출 및 시스템 구축 -교량공사를 중심으로-)

  • Kim, Hyeon-Seung;Moon, Hyoun-Seok;Choi, Gwang-Yeol;Kim, Chang-Hak;Kang, Leen-Seok
    • Korean Journal of Construction Engineering and Management
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    • v.13 no.2
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    • pp.11-24
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    • 2012
  • Recently, BIM (Building Information Modeling) technique is being considered as a critical delivery condition for the public projects according to the increase of best practices by practical application of BIM. However, since existing BIM studies are focused on the design and construction phases, those results are not considering the life cycle of a construction project. Therefore, this study suggests an integrated BIM operation process that enables an application of BIM for each phase of a construction project from planning to maintenance phases and develops an integrated BIM system based on the suggested methodologies. This study developed basic BIM functions and its application process by analyzing information systems in each project phase for a bridge construction project. Besides, this study performed case study and survey analysis for construction managers to verify a practical applicability of the developed system. Therefore, it is expected that the integrated BIM system is going to be utilized as a 3D-based integrated information management system considering life cycle of construction projects.