한국건설관리학회논문집 (Korean Journal of Construction Engineering and Management)

  • 제19권3호
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  • Pages.52-60
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  • 2018
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  • 2005-6095(pISSN)
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  • 2465-9703(eISSN)
한국건설관리학회 (Korea Institute of Construction Engineering and Management)
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기댓값 분석에 따른 공공공사 입찰담합의 가상경쟁가격 산정방법

Estimation Method of the Competitive Bid-price in Bid-rigging of Public Construction

  • Jeong, Kichang (Korea Institute of Construction Management) ;
  • Kim, Wooram (Korea Institute of Construction Management) ;
  • Kim, Namjoon (Korea Institute of Construction Management) ;
  • Lee, Jaeseob (Division of Architectural Engineering, Dongguk University)
  • 투고 : 2018.01.16
  • 심사 : 2018.03.05
  • 발행 : 2018.05.31
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초록

우리나라의 공공건설공사는 입찰을 통해 공사를 발주하고 있으나 하지만 입찰의 특성상 참여자들간의 담합이 발생할 수 있다. 이에 따른 입찰담합은 발주자에게 손해를 가하는바, 이를 배상할 수 있도록 적절한 가상경쟁가격을 산정해야 한다. 이와 관련하여 계량경제학적 방법이 일반적으로 활용되고 있으나 건설공사, 특히 설계 시공일괄입찰의 특성상 여러 한계와 쟁점이 발생할 수밖에 없다. 따라서 본 연구에서는 설계 시공일괄입찰에서 합리적인 가상경쟁가격을 추정할 수 있는 방안을 제안한다. 이는 입찰 참가자가 제출한 설계도서로부터 한계비용을 도출하고, 입찰 참가자의 기술 수준과 경쟁업체의 기술 수준 및 입찰 형태에 따라 입찰율에 따른 요인을 검토하여 가상경쟁가격을 추정하는 방법이다. 본 연구에서 제안한 방법을 토대로 설계 시공일괄입찰 낙찰자 결정 방식의 특성이 반영된 합리적인 가격이 도출될 수 있으며, 답함에 따른 손해액 산정뿐만 아니라 실제 입찰 과정에서의 참고자료로 활용할 수 있을 것이라 판단된다.

Korea's public construction projects are under construction through bidding, however, due to the nature of the bidding, collusion between participants can occur. The collusion of bids accordingly damages the client. So, it is necessary to calculate the appropriate fictitious competition price to compensate for this. In this regard, econometrics methods are generally used, but there are limitations and issues arising from the nature of construction, especially design-build bid. Therefore, this study proposes a method to estimate reasonable competitive bid-price in design-build bid. It derives the lowest bid-price from the design submitted by the proponent and estimates the competitive bid-price by examining the factors according to the penetration rate according to the technical level of the tester, the skill level of the competitor, and the type of tester. Based on the method proposed in this study, a reasonable price can be derived that reflects the characteristics of the design and construction bidding bidder selection method and also it can be used as a reference material in the actual bidding process as well as calculating the damage due to the answer.

키워드

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