• 한국건설관리학회논문집
• /
• 제9권3호
• /
• pp.153-163
• /
• 2008

건설산업은 국내 총생산(GDF)기준의 약 15%를 차지하는 국가기간산업이며, 공공부분에 매년 약 50조원의 예산을 투입하여 경제, 사회발전의 기반이 되는 사회시설물의 건설과 정비사업을 수행 중에 있다. 공공 건설산업의 경우 사업이 대규모로 이루어지므로 효율적 관리를 통한 공사비 절감은 정부의 재정상태 및 사회발전에 크게 기여한다. 국내에서 공공공사의 지배적인 예산제도의 하나로서 활용되어온 장기계약제도는 공사연장 빈도도 높고, 그에 따른 손실비용 또한 막대하여 이에 대한 대책이 시급히 요구되어 왔다. 이를 개선하기 위하여 1999년 수립된 '공공건설효율화종합대책'에서는 계속비 사업의 확대를 추진하게 되었다. 본 연구에서는 국내 예산제도의 체계와 공공공사의 계약방식 비교/분석을 통하여 장기계속계약의 문제점들을 도출하였고, 계속비 사업이 공공공사에 미치는 영향을 정적으로 제시하여 향후 계속비 사업 확대가 건설사업에 미치는 파급효과를 분석하였다. 총 5개 기관, 72개의 개별사업의 데이터를 분석한 성과 측정결과, 계속비 사업이 장기계속공사 사업에 비하여 사업기간 단축에 따른 평균사업비의 0.13%, 절감효과뿐만 아니라, 연부액 증가로 인한 사업기간 단축, 공사효율화를 통하여 약 9.83%의 공사비 절감효과가 있는 것으로 추정되었다. 본 연구결과는 향후 공공공사 수행에 있어 예산상황에 알맞은 공사우선순위선정 및 계속비 사업 확대의 당위성을 입증하였다.

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

• 국제학술발표논문집
• /
• The 4th International Conference on Construction Engineering and Project Management Organized by the University of New South Wales
• /
• pp.614-620
• /
• 2011

Delays in completing construction projects have significant financial and social impact to all parties involved in the construction process and in particular in developing countries. This is very evident in most construction projects in Libya and in both public and private sectors. The research study was initiated by Libyan Government and the main aim of the project is to develop a new strategy in reducing the impact of delay factors. In order to achieve this, a number of objectives have been set-to conduct a comprehensive literature survey, to conduct a comparative study of the delay factors in project completion in both Libya and UK using semi structured questionnaire and finally, to identify and analyse the causes of delay and ranked them using frequency of occurrence and severity. The critical causes of delay for construction projects were quite different between Libya and UK. For the former, the most critical causes of delay in Libyan construction industry were low skills of manpower, changes in the scope of the project, slowness in giving instruction and poor qualification of consultant, while for the latter they were financial problems, bad weather conditions on the job site and change in the scope of project. Statistical experiments including Paired Samples T-Test, was run to test the significance of the survey data in both countries Libya and UK. The statistical results confirmed the collected data from the survey were significant.

• 한국건설관리학회논문집
• /
• 제7권5호
• /
• pp.177-190
• /
• 2006

Construction projects are facing delay problems. Delays in construction have been immense effect on performance or satisfactory delivery of the project. Delays have been causing project cost overrun as well as it is a source of dispute hence damaging the relationship between the project participants. The purpose of this study was to explore the causes of delay risk through a field survey study. Data were collected from construction professionals working in owner, consultant and contractor organizations. All together 208 questionnaire instruments were used and analyzed by employing statistical tools (SPSS computer program). 19 delay factors were identified by this study, out of which following factors were critical: Frequent interruptions from public (local people, pressure group etc.), changed site condition, failure to provide required construction site, unrealistic project time estimation and design errors.

• 대한안전경영과학회지
• /
• 제25권4호
• /
• pp.57-65
• /
• 2023

The public safety management guidelines were introduced in 2019 and continue to be dedicated to advancing comprehensive measures for public safety management, with a primary focus on prioritizing the safety and well-being of the public within governmental institutions. To achieve this goal, our previous study developed a establishment procedure of risk assessment-based safety inspection system for public institutions that order construction projects and applied it to highway construction projects to evaluate its effectiveness. To enhance the practicality of the establishment procedure, it is essential to collect and analyze feedback from stakeholders regarding its performance and suitability. This study conducted a survey involving 200 participants who had experience with the establishment procedure, and performed statistical analyses to evaluate its performance and applicability. The survey results indicated that the participants reported a high level of satisfaction (scoring 4 and above on a 5-point Likert scale) in several areas: specialization of safety inspection items for different types of work (with a satisfaction rate of 65%), the evaluation process for safety ratings (64.5%), and their willingness to recommend the procedure to other institutions (75.5%). In the factor analysis with Varimax rotation, two factors emerged: (1) a specialization factor related to safety inspection items, and (2) a grading factor associated with safety evaluation results. Regression analyses of these factors unveiled significant positive relationships with improvements in safety and health performance, including the prevention of fatal accidents, heightened safety responsibility, and raised safety inspection standards. The establishment procedure of safety inspection system developed in our previous study can play a crucial role in reducing accidents resulting in fatalities and injuries at construction sites, ultimately contributing to a safer working environment for all involved parties.

• 국제학술발표논문집
• /
• The 9th International Conference on Construction Engineering and Project Management
• /
• pp.967-974
• /
• 2022

It is no news that Nigeria's infrastructure challenge is enormous. In the global ranking, Nigeria ranked low in quantity and quality of its infrastructural provision which has a great impact on the ease of business transaction. Low investments in transportation have brought about the current infrastructural deficit. Recently, the Nigerian government has made effort to address at least to some extent the infrastructural deficit through Public-Private Partnership, but this has not yielded the desired result. Moreover, the sustainability issues relating to railway projects such as, emissions, noise pollution, ecosystem, and other environmental issues calls for urgent attention. Hence, this necessitated consideration on sustainability appraisal for the Chinese rail project in Nigeria. This study reviews sustainability of railway projects built by the Chinese firm in Nigeria with particular emphasis on the environmental and social impact of these projects. The study further identified issues and challenges in project implementation with a particular focus on civil dialogue and community engagements. A detailed literature search was conducted on railway projects and infrastructure by systematically reviewing selected published articles.The analysis of the selected articles identified sustainability issues and potential for improvement of Chinese railway projects and how they contribute to or inhibit competitiveness in the Nigerian railway market. From the literature searched, some of the projects constructed by Chinese firm revealed that there is economic and social impact of railway projects delivered by the Chinese firm in terms of capacity development and knowledge transfer potentiality. For instance, in the just concluded Lagos-Ibadan railway projects, the study gathered that the project brought about 5000 jobs and local staff were trained by the Chinese company, this will boost man power and local content capability. Also, it will significantly improve Nigeria's infrastructure and boost its economic development. The study suggests that Nigerian government should ensure and provide an enabling environment that is conducive for investment on the continent. Peace, improved security, and decent governance are the best conditions for sustainable transportation growth.

• 한국건축시공학회:학술대회논문집
• /
• 한국건축시공학회 2009년도 춘계 학술논문 발표대회 학계
• /
• pp.199-202
• /
• 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 research, 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, CMr manages risks to control the procedure of project. So, potential risk factors can constitute the database, and that database can be matched to following activity. And construction manager can forecast measures of risk using the result of matching. This chain of activities increase efficiency in roles of CMr on CMR(CM at Risk). Furthermore this study will propose one of the solution of Construction Management Module.

• 한국철도학회:학술대회논문집
• /
• 한국철도학회 2004년도 추계학술대회 논문집
• /
• pp.965-970
• /
• 2004

The private investment on the SOC facilities is a worldwide tendency since it can supplement the insufficient investment of public finance in the construction of infrastructures. Alter the formulation of private investment law, private sector's investment on roads, harbors and environmental facilities are being progressed considerably. However, railway construction by private sector is not active comparing to the former areas because of huge investment for construction but relatively low and unpredictable benefit in operation. This paper reviews the financial, social and institutional aspects on the private investment for SOC projects, especially railway projects. Also, this paper tries to find the desirable way to expedite the private investment on railway project,. Conclusively, the paper propose that the private sector in railway projects is better constituted with financial investor and the private financing could be. activated and settled if a stable minimum benefit on their investment being ensured institutionally, for example, by BTL.

• 한국건설관리학회논문집
• /
• 제18권3호
• /
• pp.84-94
• /
• 2017

국내건설시장의 불확실성과 해외 EPC도급 사업의 수주 경쟁력 약화로 인해, 국내건설기업의 해외개발사업에 대한 관심은 최근 크게 증가하고 있다. 해외개발사업을 수주하기 위해서는 오랜 준비기간과 판매비용이 투입되기 때문에 사업발굴초기에 수주까지 달성할 수 있는 사업을 선별하는 것은 의사결정자에게 매우 중요하다. 하지만, 기존 연구는 사업초기단계보다는 사업개발 전체단계 관점의 타당성평가가 대부분이었다. 따라서 본 연구에서는 31개 해외개발사업을 대상으로 사업발굴단계의 사업추진역량, 상업적 조건, 비상업적조건, 전략 및 공익성의 28개 의사결정요소와 사업수주 성공/실패의 관계를 분석하였다. 이를 통해 다음과 같은 결론을 도출할 수 있었다. 첫째, 입찰형 사업과 제안형 사업의 리스크는 다소 다르며, 제안형 사업이 대체적으로 리스크가 크기 때문에 보다 나은 사업추진역량과 금융조건을 필요로 한다. 둘째, 사업발굴단계 이후에도 개선이 쉽게 되지 않는 사업추진역량의 중요도가 높다고 분석되었다. 셋째, 상업적 조건의 경우, 사업발굴단계에서는 판단하기 어려운 부분이 있으나 수주가능성을 판단하는데는 유의미하게 중요한 요인으로 평가되었다. 넷째, 비상업적 조건과 전략 및 공익성은 사업발굴단계의 수주가능성 예측에는 유의미한 변수로 평가되지는 않았다. 본 연구는 해외개발사업의 수주가능성을 발굴단계 초점을 맞추어 실제 프로젝트를 기반으로 실증적으로 분석했다는데 의의가 있다.

• 산업경영시스템학회지
• /
• 제35권3호
• /
• pp.1-6
• /
• 2012

This paper aims to suggest a validity analysis model that would be helpful for local governments considering u-City construction projects and a methodology for them to promote build-transfer-lease (BTL) u-City projects. This methodology mainly uses quantitative and qualitative analysis based on the Value For Money (VFM) designed by the Public and Private Infrastructure Investment Management Center (PIMAC) under the Korea Development Institute (KDI). BTL projects requires a large amount of capital and involves long-term investments. Therefore, multi-faceted validity analysis is required for the success of a project. This study will enumerate various factors to be considered in the pre-analysis of validity of BTL projects and suggest a methodology to verify them. A case study of a BTL project promoted by Ansan City assisted in designing this study in detail.