• 제목/요약/키워드: construction procedure

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Cost Normalization Procedure for Phase-Based Performance Measurement

  • Choi, Jiyong;Yun, Sungmin;Oliveira, Daniel;Mulva, Stephen;Kang, Youngcheol
    • 국제학술발표논문집
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    • The 6th International Conference on Construction Engineering and Project Management
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    • pp.72-76
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    • 2015
  • Capital project benchmarking requires an effective cost normalization process to compare cost performance of projects accomplished in different time and location. Existing cost normalization approaches have been established based on the assumption that all required information for cost normalization is fully identified once a project is completed. Cost normalization, however, is sometimes required to evaluate phase-level outcomes of an ongoing project where the required information is not fully available. This paper aims to provide a cost normalization procedure for phase-based performance assessment. The procedure consists of three normalization steps: currency conversion, location adjustment, and time adjustment considering various scenarios where the required information is not fully identified. This paper also presents how the cost normalization procedure has been applied to the 10-10 Performance Assessment Program, which is a phase-based performance assessment system developed by the Construction Industry Institute (CII). Both researchers and industrial professionals can apply the cost normalization procedure to studies and practices regarding to cost estimation, feasibility analysis, and performance assessment.

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DEVELOPMENT OF AN IMPROVED INSTALLATION PROCEDURE AND SCHEDULE OF RVI MODULARIZATION FOR APR1400

  • Ko, Do-Young
    • Nuclear Engineering and Technology
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    • 제43권1호
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    • pp.89-98
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    • 2011
  • The construction technology for reactor vessel internals (RVI) modularization is one of the most important factors to be considered in reducing the construction period of nuclear power plants. For RVI modularization, gaps between the reactor vessel (RV) core-stabilizing lug and the core support barrel (CSB) snubber lug must be measured using a remote method from outside the RV. In order to measure RVI gaps remotely at nuclear power plant construction sites, certain core technologies must be developed and verified. These include a remote measurement system to measure the gaps between the RV core-stabilizing lug and the CSB snubber lug, an RVI mockup to perform the gap measurement tests, and a new procedure and schedule for RVI installation. A remote measurement system was developed previously, and a gap measurement test was completed successfully using the RVI mockup. We also developed a new procedure and schedule for RVI installation. This paper presents the new and improved installation procedure and schedule for RVI modularization. These are expected to become core technologies that will allow us to shorten the construction period by a minimum of two months compared to the existing installation procedure and schedule.

통신을 이용한 열차제어시스템의 기존 도시철도 적용을 위한 시행절차연구 (The Study for execution procedural to apply CBTC(Communication Based Train Control) on the subway)

  • 김유호;이훈구;이수환;김종기;백종현
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2003년도 학술회의 논문집 정보 및 제어부문 B
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    • pp.357-360
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    • 2003
  • Improvement is required to solve problems depending on long term use of signal equipment in the existing city railroad and to raise quality of passenger services. Accordingly, for more efficient improvement, we examined the procedure of executing construction of the communication based train control system in Korean city railroads, which is globally studied. The procedure of executing construction of the system is to present a plan for construction first of ail and then to prepare a strategy for construction of the system. It is required to establish a procedure for execution in each step depending on the prepared strategy and then to establish a detailed execution plan. We studied such an execution procedure, divided the execution procedure for application of the train control system through five steps to prepare the execution procedure.

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성공적인 해외 건설 프로젝트 수행을 위한 리스크 관리 계획·절차 구축 및 활용 방안에 대한 연구 - 영국의 사업관리 기법인 PRINCE2를 기반으로 - (A Study on Composition and Application of Risk Management Planning and Procedure for Successful Overseas Construction Projects - Based on the PRINCE2 Methodology in the UK -)

  • 강신봉;김승철
    • 한국건설관리학회논문집
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    • 제17권1호
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    • pp.48-55
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    • 2016
  • 본 연구는 성공적인 해외건설프로젝트 수행을 위한 리스크 관리 계획 절차를 구축하여 활용방안을 제안하는 것을 목적으로 한다. 접근방법은 해외건설산업의 현황을 살펴보고, 영국의 프로젝트관리 체계인PRINCE2의 리스크 관리 기법의 적용과 국내 해외 건설사들의 리스크 관리 수행사례를 분석하였다. 이를 토대로 리스크 관리를 위한 해외건설사의 조직 구성과 업무프로세스를 제안하고, 리스크 관리 계획. 절차를 개발하여, 해외건설 프로젝트에 적용하였다. 그 결과, 리스크 관리와 계약관리를 효과적으로 수행할 수 있게 되었다. 본 연구의 결과는 향후 글로벌 건설기업으로 진화를 위한 해외건설사의 해외건설프로젝트 사업 능력 향상을 위해 유용하게 활용 될 수 있을 것으로 판단된다

전문건설업체의 업무관리절차 개선에 관한 연구 - 공사단계별 도장공사 참여를 중심으로 - (A Study on the Improvement of Pfocedure Management in the Painting Works)

  • 송천수;임상모;조형근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2003년도 학술.기술논문발표회
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    • pp.153-156
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    • 2003
  • Recently, as changing construction environment, we have come to need rational systematic and transparent in construction industry. In other to consider application possibility of CM in specialty construction, in this study improvement of procedure management by several construction phases in the coating with paint work.

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단체법에서 효과적인 초기기저의 설정 (On the Construction of Initial Basis in the Simplex Method)

  • 임성묵;김기태;박순달
    • 경영과학
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    • 제17권2호
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    • pp.13-20
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    • 2000
  • In this research, we compare and analyze the two initial basis construction procedures: LPAKO’s procedure proposed by Seo et. al. and symbolic crash procedure proposed by Maros et. al.. Based on the analysis, we present a new procedure which complements the previous procedures. The new procedure shows superiority to the previous procedures with respects to the optimality of initial basis. Also, the linear basis Also. the initial basis constructed by the new procedure reduces the number of simplex iterations.

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THE SELECTION OF COLOR SCHEME FOR 4D CONSTRUCTION MODEL

  • Han-Shuo Chang;Shih-Chung Kang;Po-Han Chen
    • 국제학술발표논문집
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    • The 3th International Conference on Construction Engineering and Project Management
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    • pp.323-330
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    • 2009
  • This paper presents the selection, examination, and user test (SEUT) procedure to determine the ideal color scheme for a 4D model. This systematic procedure can be performed iteratively to obtain the color scheme that would be most appropriate for construction purposes. To verify the proposed procedure, an example case with two iterations is presented. Ten color schemes were examined and 48 users tested during the two iterations, and the result shows that the SEUT procedure is an effective method for determining the ideal color scheme for 4D models.

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Comparison of the Tender Law and Procedure between China and Korea

  • Luo, Wenyuan;Lee, Yoon-Sun;Kim, Jae-Jun
    • 한국건설관리학회:학술대회논문집
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    • 한국건설관리학회 2008년도 정기학술발표대회 논문집
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    • pp.833-836
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    • 2008
  • The construction industry has maintained a strong level of development in China in recent years. And with the steady development of the national economy, the construction industry will continue its momentum of growth in the coming years, which indicates a great tendering market in China. To gain a comprehensive understanding of Chinese tender market, a research based on construction laws and tendering laws was carried out. This research focused on differences of the tender environment between China and Korea, such as construction company certificate, bidding procedure and so on.

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공정관리 지식기반 구축을 위한 기초적 연구 (A Basic Study for Accumulating Scheduling Knowledge-Base)

  • 장세한;김경래
    • 한국건설관리학회논문집
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    • 제2권3호
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    • pp.83-91
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    • 2001
  • 1990년 중반부터 지식(Knowledge)은 국가 및 기업 경쟁력의 원천으로 부상하고 있으며, 건설기업의 공정관리는 건설기업의 핵심 역량 중의 하나이다. 그러나 국내 건설기업은 공정관리에 대한 지식을 체계적으로 저장, 활용하지 못하고 있는 실정이다. 국내 건설기업의 공정관리 지식기반화에 대한 수준은 공정관리 지식기반 인프라 구축 단계에 머물러 있으며, 상위 건설기업 조차도 공정관리 지식 활동 단계의 초기 수준에 머물러 있다. 이는 공정관리 지식의 중요성에 대한 인식 부재, 관련 절차의 부재가 원인이라고 할 수 있을 것이다. 본 연구에서는 건설기업의 공정관리 지식기반화의 문제점을 분석한 후, 건설기업 차원에서 현행 공정관리 표준 절차서의 내용에 공정관리 지식기반 인프라 요소와 공정관리 지식 활동 요소를 보안할 수 있는 공정관리 지식기반화를 위한 공정관리 절차서 모델을 제시하였다. 본 연구의 결과물인 공정관리 지식기반화를 위한 절차서 모델을 통해, 국내 건설기업이 공정관리 지식 활동의 절차를 마련할 수 있는 방안을 제시하고, 추후 국내 건설기업의 건설통합시스템 및 KMS(Knowledge Management System)과의 연계를 위한 공정관리 지식 기반의 구축의 틀을 마련하고자 한다.

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시공단계의 영향을 고려한 프리스트레스 콘크리트 다층 구조물의 해석 (Analysis of Multi-Story Prestressed Concrete Structure Considering the Effect of Construction Stage)

  • 전찬기
    • 한국구조물진단유지관리공학회 논문집
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    • 제5권3호
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    • pp.213-223
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    • 2001
  • This paper presents an analytical procedure for the time-dependent analysis of the multi-story prestressed concrete structure under the construction stage. To account for the actual structural behavior, the procedure considers the effects due to the construction interval and the time-dependent losses of prestress at every construction step on the entire structural response. A numerical study is performed to demonstrate the general validity of the approach and to quantitatively evaluate the effects resulted from the time-dependent behaviors during construction. Recommendations and conclusions are developed by comparisons with structural responses using the present and conventional methods of analysis. The comparative results show that both effects of sequential construction and time-dependent prestress losses should be considered for the construction stage analysis.

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