Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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CM at Risk Case Study on Guaranteed Maximum Price Contract - Focused on Cases for USA -

책임형 CM 발주방식의 최대공사비보증계약 사례연구 - 미국 공공발주 프로젝트 사례 중심 -

  • Jeong, Jinhak (Department of Architectural Engineering, Hanyang University) ;
  • Han, Jonghoon (Department of Architectural Engineering, Hanyang University) ;
  • Lee, Joosung (Department of Architectural Engineering, Hanyang University) ;
  • Ahn, Yonghan (Department of Architecture, Hanyang University)
  • Received : 2018.11.14
  • Accepted : 2018.12.11
  • Published : 2019.05.31
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Abstract

The purpose of this study is to derive basic data of the Guaranteed Maximum Price(GMP) process and to present specimens that can be used at the time of execution of CM at Risk project in South Korea. CM at Risk project is issued in South Korea, but the actual data is lack. On the other hand, CM at Risk project is universalized and the market of the CM at Risk is steadily growing. Because of that, in this study, The United States cases was selected as a sample. GMP consists of CM's fee, CM contingency, project direct cost, project indirect cost, allowance. GMP negotiations are performed before the end of design completion, and after 3 rounds of estimation comparison, preliminary GMP is confirmed. GMP can be multiple contract and it is useful for Procurement of long lead materials and early construction. If the actual cost is lower than expected GMP, sharing of the saving is an option since the conflict of interests between the client and the contractor can occur.

최근 건설 사업이 복잡해지고 대형화 되며 발주자의 요구사항 또한 다양해지고 있다. 그에 따라 책임형 CM 발주방식이 대두되었지만 국내 책임형 CM 프로젝트 수행사례는 민간 부분에서만 몇 차례 진행되었고 국내의 건설사의 프로젝트 경험 및 자료도 부족한 실정이다. 또한 건설 프로젝트는 다수의 프로젝트 주체들이 가시화 되지 않은 결과물에 대한 목적, 기간, 비용, 각 당사자의 권리와 책임, 이익 등을 합의하여 계약으로 명문화 하는 특성을 갖기 때문에 계약서의 작성 및 관리는 계약의 목적물인 프로젝트의 성공적 수행과 매우 밀접한 관계가 있다. 따라서 본 연구에서는 책임형 CM 발주방식이 보편화 되어있는 미국의 사례 중 GMP 계약 방식으로 수행된 프로젝트의 계약서에 대해 고찰하여 GMP 구성요소 및 프로세스에 대한 공통 요소를 도출하고 국내 책임형 CM 프로젝트 수행 시 이용 될 수 있는 기초자료를 제안 하였다. 본 연구에서 도출해 낸 GMP구성 요소 및 프로세스는 국내 시범사업이 완료된 이후에 국내와 해외 사례를 비교 분석하여 국내에 효과적인 적용 법에 대한 추후 연구가 진행 될 수 있을 거라 판단된다. 또한 건축물 종류별 GMP 요소를 비교하여 건물 종류별 적합한 적용 법에 대한 연구도 진행 될 수 있을 것이라 사료된다.

Keywords

Table 1. Literature Review

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Table 2. Sample Case Summary

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Table 3. CM Fee Case Study

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Table 4. CM Contingency Case Study

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Table 5. Allowance Case Study

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Table 6. Negotiation phase and alternative negotiation

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Table 7. Advantage and Consideration of Multiple GMP

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Table 8. GMP Contract Method

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Table 9. Savings Sharing and incentive

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Table 10. GMP component and process of Case

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Table 11. Suggestion of GMP

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