• Title/Summary/Keyword: 설계.시공일괄입찰

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Analysis of the Influence of Design Score and Price Score for Design Build Bidding (설계시공일괄입찰에서 설계점수와 가격점수의 영향력 분석)

  • Lee, Jinhak;Woo, Sungkwon;Lee, Siwook
    • Korean Journal of Construction Engineering and Management
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    • v.24 no.5
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    • pp.44-51
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    • 2023
  • Selecting appropriate bidding system in construction projects considering the characteristic of project can be a make-or-break element, so the understanding for bidding system of public construction projects is ever more important from the perspective of both the owner and the contractor. The design-build bidding is commonly referred to as turnkey in Korea, and is a bidding method that is often applied to large public construction projects because it allows new technologies to be applied to the design and facilitates risk management for the owner. In this bidding method, there are only two factors (design score and price score) that affect the selection of the winning bidder, so it is important to understand the influence of each factor, but there is little research on the subject. This study aims to provide a basis for establishing bidding strategies for understanding the influence between design score and price score by analyzing various design-build bidding data of public construction projects. The results of the study show that design score is the factor that has more influence on the ranking of bidders in all three weighted evaluation methods: design-emphasized, price-emphasized, and equalized evaluation. In addition, we found that the correlation between design and price scores was not significant due to the unique bid evaluation structure in Korea.

Preliminary Study on the Factors Analysis of Change Order-Claim in Design-Build Project (설계시공일괄입찰공사의 설계변경 클레임요인 분석에 관한 기초 연구)

  • Ryu, Hyeok-Jun;Park, Byung-Ju;Yoo, Seung-Kyu;Kim, Ju-Hyung;Kim, Jae-Jun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.05a
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    • pp.129-130
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    • 2012
  • Although the order of Design-Build is being expanded by increasing construction scale and demanding hybrid function, the suitable regulation of the contracts is not settled. Design-Build is way by government because there are big construction of much government leading in contract relation high position occupy. So, case that prebendary's claim institution develops by litigation is very rare. But, recently Design-Build is magnified. So, these dispute factors is becoming visualization gradually. The contract system is needed to be consistent by international standard to deal with the problem. This study suggests the useful solutions in detail concerned with the main factor of change order claim by each Design-Build phases through practical sorting and analysis of the causes of Change Order-Claim.

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Improvement Directions for Life Cycle Cost Analysis and Evaluation in the Design-Build and Alternative Bidding Projects (설계.시공일괄입찰공사 및 대안입찰공사의 생애주기비용 분석 및 평가체계 개선방향)

  • Kang, Tai-Kyung;Lee, Yoo-Sub
    • Journal of the Korea Institute of Building Construction
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    • v.8 no.1
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    • pp.97-102
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    • 2008
  • The report of the Korean Board of Audit and Inspection(BAI) on May 2007 indicates the problems of Life Cycle Cost (LCC) analysis and evaluation in the Design-Build(Turn-Key) and alternative bidding system. The point which the report indicates is that the cost estimation system for LCC analysis has nothing in common each other and there's no consistency among the repair cycle and ratio per facilities parts. For solving these problems, BAI demands the establishment of the guidelines for LCC analysis and evaluation from the competent authority Korean Ministry of Construction And Transportation(MOCT). The objective of this study is to develop the improvement directions for LCC analysis and evaluation which are suitable to the public construction projects especially for the Design-Build and alternative bidding system in Korea. For this study, the LCC related raws and regulations, LCC analysis guidelines of public cooperations, actual condition of LCC analysis and evaluation which include, the elements of LCC, the estimation rules of the initial cost and the maintenance cost, the analysis standards of time value of money, etc. are investigated to provide the improvement directions for LCC analysis and evaluation.

Application of Incentive on Design VE to Public Design-Build Projects (공공부문 설계시공일괄사업의 설계VE 인센티브 적용방안)

  • Lee, Hun-Woo;Jung, Jae-Hoon;Kim, Hae-Gon;Koo, Kyo-Jin;Hyun, Chang-Taek
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2006.11a
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    • pp.284-288
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    • 2006
  • Ministry of Construction & Transportation prescribes that all of the construction works including Design-Build whose cost more than then billion won must be applied VE at the design phase. It is difficult to apply VE at the design development phase to design-build projects under current design-build contract because design should be proceeded with fixed price by bidding. Therefore the present study suggests an application of incentive which can maximize the effectiveness of design VE in design-build projects after analysing current design-build's characteristics and difficulties of design VE application.

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현상설계경기 - 종합무역정보연구센터

  • Korea Institute of Registered Architects
    • Korean Architects
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    • no.8 s.316
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    • pp.120-121
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    • 1995
  • 대한무역진흥공사(KOTRA)에서는 21세기 국제화, 정보화, 개방화 시대에 부응하기 위해 종합무역 정보연구센터 건립을 추진, 민간업체의 신공법 및 기술개발과 다양한 기술도입을 통한 쾌적한 환경조성의 효과를 기대한 설계시공일괄 입찰(Turn-key) 방식으로 설계경기를 시행, 총 9개 업체가 참가한 결과 지난 4월 21일 무영건축/형진건설 안을 당선작으로 선정, 발표했다.

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차세대 도시폐기물 소각설비의 이해

  • Seong, Baek-Nam
    • The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
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    • v.38 no.10
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    • pp.5-11
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    • 2009
  • 본 내용은 당사가 Turn-key방식으로 설계시공일괄입찰방식으로 시공후 현재 운영중인 C시 광역소각시설의 설계 시공 및 운영을 중심으로 개요와 특징에 대해서 소개하고자 한다. 본 프로젝트는 현재 시공이 완료되어 정상가동중에 있으며 사업의 배경 및 목적 개요, 그리고 이 프로젝트에서 국내 최초 적용한 병행류식 스토커 타입 소각로 및 처리프로세스를 소개하고자 한다.

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A Case Study on Construction Management in Nuritkum Square Project (누리꿈스퀘어 프로젝트의 건설사업관리 사례)

  • Lim, Hyun-Yong;Yoo, Seung-Kon;Seo, Joon-Oh
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.25-31
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    • 2007
  • Nuritkum Square Project is a IT Complex which is being constructed in Digital Media City. The project consists of several buildings and is a Design-build, so that the systematic construction management from design to construction stage is more important for a successful project. This study introduces the practical tasks of construction management during the project and analyze some of main tasks to increase understanding construction management in the design-build project. Based on experience of construction management in this project, we examine managerial problems which frequently occur in this kind of project, and suggest how to improve construction management in Korea.

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Business Process Model for Progress Phase of Design-Build Project (설계시공일괄방식 사업의 진행단계별 업무프로세스 모델)

  • Song, Young-Woong;Son, Bo-Sik;Chun, Jae-Youl;Choi, Yoon-Ki
    • Korean Journal of Construction Engineering and Management
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    • v.10 no.4
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    • pp.38-49
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    • 2009
  • In public project market, design-build projects have been increased because of market trend change which enables technical competition. In this condition, its importance is also getting important. Generally, life cycle of design-build project consists of planning, preliminary design, procurement, contract, detail design, start of construction, construction, end of construction, and evaluation. From contractor's viewpoint, it has problems such as difficulties in project management and information sharing because of frequent change of charged division. To solve these problems, it is desirable to change from function-based management system to process-based management system. The purpose of this study is to develop management process model for design-build project by progress phases. This study analyzed main conflicts and decision making factors of each stage in design-build projects, then systemized management subjects' responsibilities and management points' change. And also this study defined the key information that is the key point by project characteristics and progress phases. Based on this analysis, this study did business process modeling from planning stage to construction design check stage. At last, we proposed the way to manage business process by design-build project progress.