• 도시과학
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• 제6권2호
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• pp.73-80
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• 2017

A submittal, as a part of three main project management processes: production control, submittals and change orders, is the transmission of information from the subcontractor to the general contractor to the owner, architect, and structural engineer, for review and approval. The purpose of the submittal process is for submittals to be approved in order to start construction. This benefits the contractor by ensuring that the finished project will meet the expectations of the owner. This paper analyzed a case study regarding the submittal process for the local-based environmental construction company, which typically works as a subcontractor and may hire other subcontractors for additional work when applicable. The aim of this study was to roughly evaluate a project management process and understand the submittal process through the study of a case involving the local company.

• 국제학술발표논문집
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• The 2th International Conference on Construction Engineering and Project Management
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• pp.130-139
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• 2007

This paper presents a study on risk analysis in terms of contractor's costs in construction phase in which Crystal ball (software of Decisioneering, UK) has been utilized as a main tool. To realize it, a questionnaire survey has been carried out to identify the dominant factors that strongly influence contractor costs in Vietnam. Based on results of questionnaire investigation, the survey identified three factors which were duration of each construction task, costs of reinforcing steel, and cement. Then a spreadsheet model was created in order to analyze risks. The study also indicates that the cost of reinforcing steel and cement are the cause of risks for contractors. According to the suggested model, contractors may foresee the probability of completion within the approved budget, and the possibility of earning in accordance with owner's payment conditions.

• 국제학술발표논문집
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• The 2th International Conference on Construction Engineering and Project Management
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• pp.150-159
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• 2007

More often than not, cost claims which are legitimately due and entitled to the contractor for works done, or for loss and expense incurred arising from disruption, prolongation and delay, are surprising not successfully recovered, whether in whole or in part, or none at all. One of the main reasons attributing to such scenario, is due to either the contractor, employer or the consultants and their poor understanding of and adherence to established and proper contractual rubric that is embodied in the building construction contract for the works. This paper explores some such pitfalls that could very well spell the ultimate financial disaster for many contractors, and highlights salient and essential intimations that contractors and consultants should watch out for.

• 한국건설관리학회논문집
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• 제9권5호
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• pp.214-226
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• 2008

Construction delay caused considerable losses to project parties. Avoiding construction delays is important to save costs for project stakeholders. The main objective of this paper is to identify major causes of construction delays of apartment construction projects in Vietnam. Sixteen causes of delay were identified through a questionnaire survey of 166 professionals. Factor analysis was employed to categorize these causes. The results of the survey revealed the main causes of delay of apartment projects in Vietnam are: (1) owner's and contractor'S financial difficulties; (2) lack of experienced contractors; (3) late delivery of materials; (4) late construction site handover; (5) owner's late payments for completed works; (6) low bid prices; (7) inappropriate construction method; and (8) defective works and unnecessary reworks. Factor analysis uncovered that causes of delay can be grouped under five categories labeled the five INs: incompetence, ineffectiveness, inadequateness, inapplicableness and inconceivableness. Comparative analysis between the Vietnam construction industry (VCI) and the Korea construction industry (KCI) has been performed to infer valuable lessons for researchers and practitioners in the VCI and the KCI. Comparative analysis indicated that main causes of delay in the VCI somewhat differ from main causes of delay in the KCI. However, "contractor'S financial difficulties", "late construction site handover", "unnecessary rework", "incapable designers", "site clearance difficulties" are common causes of delay in the VCI as well as the KCI. The findings of this research can be used as a guideline to overcome problems in the VCI as well as in other construction industries. Since Korea has emerged as the first largest foreign investor in Vietnam, the results of this study may be useful not only to practitioners and researchers in Vietnam but also to participants in Korea.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2007년도 정기학술발표대회 논문집
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• pp.519-522
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• 2007

일반적으로 국가별 PPP/BOT 사업 정책과 건설 관련 법률체계는 개별 PPP/BOT사업의 사업구도와 사업성에 직접적인 영향을 준다. 2001년 12월 중국의 WTO 가입후 2003년과 2004년도에 공포한 건설관련 법안과 최근 공포된 주요 PPP/BOT 관련 정책 등은 특히 해외 건설투자기업의 개별 사업의 가능성 (Viability)에 직접적 영향을 주는 요인으로 이러한 해외기업의 시장진입을 지배하는 법안과 정책 (Market Access Condition)들로 인해 현재 새로이 중국 시장 진입을 시도하고 국내의 안정적 사업수행 환경에 근거해 개발된 투자지침에 익숙한 국내 기업은 중국내 PPP/BOT 사업 추진시 참여업무 Scope 설정과 투자여부에 대한 의사결정시 내부 공감대 형성에 많은 어려움을 겪고 있다. 본 연구는 우선적으로 중국내 시장진입 관련 법, 제도 및 정책이 해외 EPC 기업의 PPP/BOT 사업 수행에 미치는 영향을 분석하고 최종적으로 실제 사례분석을 통해 중국내 PPP/BOT 시장 참여를 위한 Lessons Learned를 도출하는데 주 목적이 있다.

• 한국산업보건학회지
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• 제24권1호
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• pp.1-13
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• 2014

Objectives: The purpose of this study is to review the debate on the Article 28(Prohibition of Inhouse-Contract for Harmful Work) of the Industrial Safety and Health Law. Methods: Literatures and recent debate for prohibition and permission of inhouse-contract for harmful work were reviewed. Proposals of revision for the Article 28 of the Industrial Safety and Health Law were also reviewed. Results: It was not found reasonable to revise the Article 28 based on increased fatal accidents or diseases in the electroplating work and heavy metals handling works that are currently listed in the Presidential Decree under the law as the harmful works. Regulation types of prohibition or authorization for any harmful work shall have inherently poor coverage since the scope of application is extremely limited. Contractors for maintenance and repair of chemical facilities may not be included in the scope of application if the harmful works are defined as chemical handling works. If harmful works are prohibited, the contractor workers may loose their jobs. Therefore, it is necessary to consider balancing job security and occupational safety and health safety. Conclusions: Various limitations were found in the Article 28 and the proposals to revise it. Currently in-house subcontracting is widely spread in the workplace. Therefore, it may be inappropriate to set one or two Article such as the Article 28 and 29 to protect in-house subcontract workers from injury and illness. It is believed that it needs fundamental redirection and new approach with new paradigm to impose occupational safety and health duty to prime contractors.

• 건축역사연구
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• 제31권5호
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• pp.45-56
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• 2022

The purpose of this study is to understand the architectural changes that occurred in the main space of Deoksugung Palace based on the Deoksugung Wonan. In the 1910s, constructions in the Deokhongjeon area and Hamnyeongjeon area caused a change in the main space of Deoksugung Palace, which is similar to the change in the central space of Changdeokgung Palace. In both palaces, the space composition, architectural structure, construction equipment, and architectural design of the palace were changed due to the changed architectural organization and construction system.

• 한국건축시공학회지
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• 제10권1호
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• pp.101-109
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• 2010

건설사업계약은 우리나라에는 관련법령에 따라 목적물의 준공이후 시공자가 하자담보책임을 부담하고 있다. 그러나 하자담보책임의 주요 내용인 하자보수, 손해배상과 관련하여 많은 분쟁이 있다. 이러한 분쟁의 결과에도 불구하고 하자와 관련하여 항상 많은 문제점이 발생하고 있어 정부에서는 성능보증계약제도의 도입에 대해 검토하는 등 다양한 대책을 준비 중에 있다. 본 제도가 제대로 적용되기 위해서는 미국의 Warranty제도와 관련하여 다양한 판례동향을 분석할 필요성이 있다. 따라서 본 연구에서는 미국의 Warranty제도를 살펴보고, 목적물 인수효과, 입증책임, 구제조치, 계약해제에 대한 동향을 제시하였다.

• 국제학술발표논문집
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• The 3th International Conference on Construction Engineering and Project Management
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• pp.566-572
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• 2009

Turn-key and CMF(CM for Fee) have been selected as procurement paths of large public projects in Korea. However, recently, researches and discussions on CMR(CM at Risk) have been popular as the Korean government seeks for alternative procurement paths to enhance the performance. In the CMR projects, the part who is responsible for construction management should predict and control the potential risks for guaranteeing benefits. In this paper, CMR projects in which a general contractor plays the role as CMr is mainly analyzed. We give attentions to risk management during construction process given that subcontractors, main parts in this phase, work in various ways and thus more chances for faults exist. In this case, for the general contractor, to recognize potential risks in previous to start construction works of subcontractor by means of virtual design and construction (VDC) must be essential to this end. The case study of practices on VDC in U.S in which CMR has been introduced can provide considerable aspects to implement it in Korea.

• 한국건축시공학회지
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• 제12권1호
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• pp.31-41
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• 2012

In construction, the outcome of work depends on the leadership of the project manager, and as a result this has been emerging as an important factor. The purpose of this study is to analyze the main elements of leadership that are essential for project managers, and to rank these elements in order of importance. In this study, leadership and its elements are reviewed through reviewing the literature, and the main elements and their relative importance for project managers were analyzed through questionnaire survey of project managers, contractor engineers, and subcontractor engineers. Through this survey, it was found that the project manager's leadership had a significant influence on the success of a construction project, and this study revealed that the key elements of leadership for project manager could be ranked in the order of resolution, responsibility, and reliance.