• 프린팅코리아
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• v.14 no.6
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• pp.65-67
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• 2014

지난 4월과 5월 온 나라를 눈물짓게 했던 세월호 사고는 우리사회에 많은 시사점을 던졌다. 과정을 무시한 채 수익률을 올리는 것에만 집중할 때 간과할 수 있는 매우 중요한 문제에 대해 다시 한 번 생각해 보는 기회를 제공했다. 이윤과 가격이 최우선의 선택조건이 될 때 벌어질 수 있는 일을 생각하며, 인쇄업계의 최저가낙찰제를 떠올렸다. 최저가 낙찰제가 인쇄업계를 골병들게 만드는 무리한 가격경쟁을 부추기는 중요한 요인의 하나이기 때문이다.

• Journal of Digital Convergence
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• v.19 no.11
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• pp.255-266
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• 2021

Investment demand for factory facilities has increased due to the balloon effect caused by housing price regulation. This study investigated the impact of the real estate market and macroeconomic factors on the bid price ratio of apartment auctions and factory auctions, focusing on the metropolitan area. To this end, we reviewed theories and previous studies on real estate auctions, and examined how macroeconomic variables affect bid price ratio of apartments and factories using the panel vector autoregressive model. It was found that the increase in the apartment bid price ratio increases as the participation in apartment auctions increases. However, as the factory bid price ratio increases, the factory bid price ratio does not increase, it was confirmed that the positive (+) relationship between the successful bid price ratio and the bid price ratioe does not exist, unlike previous studies. Based on the analysis results, it is suggested that the real estate market and macroeconomic factors should be considered for the stable operation of the related relevant auction system. This study has limitations in that it is limited to the metropolitan area. In the future, research that expands the scope of research to the whole country and provinces should be conducted.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2004.11a
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• pp.197-202
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• 2004

Turnkey contract system is an effective ordering system for the organizations that technical engineers are insufficient in their construction projects. It is possible to reduce project duration and to improve project Quality in an integrated contract system between design and construction. However, owners can have a difficulty caused from unitary responsibility system. This study analyzes present situation and problems of turnkey contract system in our country. The results includes various methods for improving the system based on the analysis of bid price nd selection procedure.

• Korean Journal of Construction Engineering and Management
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• v.19 no.1
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• pp.74-79
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• 2018

The establishment of an effective bidding system is critical to ensure both the high quality of civil infrastructure and proper earning of contractors. However, the continuous changes of a bidding system in South Korea reveal that problems such as a dumping or high price winning have not been fully resolved yet. This study thus aims at understanding the bidding behavior and strategies of contractors by analyzing a tender ratio in historical data. Multiple regression analysis is conducted to understand the effect of internal and external factors (e.g., estimated cost, combined value of construction performance evaluation) on a tender ratio. The results statistically show that such factors affect the tender ratio an individual bidder determines and have the varying effect on the tender ratio by contractors' firm size.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.26 no.6D
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• pp.975-983
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• 2006

This study analyzed bidding data for construction projects ordered by the Public Procurement Service under the lowest bidding system since 2001 by using statistical technique in terms of construction types, company sizes, bidding prices. This study brings out construction company's bidding practices and problems caused by the current lowest bidding system and suggests the way to mitigate the problems and to improve the lowest bidding system. The analysis shows the problem of winning a bid in abnormally low price under the lowest bidding system, feared at the start, was realized. As bidding practice has polarized with low and high price, the analysis shows that the lowest bid system's market has a high possibility to be distorted by construction companies' bid strategies. To complement the lowest bidding system's problem, the analysis shows that introduction of the bidding system using particulars where bidders estimate construction quantities and unit prices by themselves is needed.

• 월간 기계설비
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• s.53
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• pp.42-48
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• 1994

조달청은 지난 11월 15일 혁신적인 입찰제도 개선 내용들이 들어있는 $\ulcorner$부실방지 및 입찰질서 확립제도 개선방안$\lrcorner$을 발표, 앞으로 이 제도의 시행을 위해 법제화를 건의할 방침이다. 본고는 부대입찰공사에 대해서는 원도급자의 낙찰률과 관계없이 하도급은 공사예정금액의 85$\%$ 이상에 주도록 법제화하기로 했으며, 부대입찰로 계약된 하도급부분은 해당공사 대금을 하도급자에게 직불하도록 하는 등의 주요내용이 들어있는 조달청이 발표한 $\ulcorner$입찰제도방안$\lrcorner$을 전면 게재한 것이다.

• 월간 기계설비
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• s.117
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• pp.70-81
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• 2000

건설교통부는 PQ 등 입찰기준의 변별력을 높이고 저가하도급을 방지하는 등 건설관련제도를 개선키로 결정한 경제정책조정회의(1999년 12월 8일)의 후속조치 일환으로 관계부처$\cdot$업계$\cdot$학계 등으로 구성된 실무작업단 회의, 공청회(2000년 1월 27일), 경제장관 간담회(2000년 3월 28일) 등을 거쳐 건설산업 구조개편 방안을 마련하였다.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.28 no.3D
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• pp.383-390
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• 2008

Construction safety control system had improved constantly but the severity rate of injury don't reduced, safety level of construction don't progressed as usual. In order to reduce of the severity rate of injury safety control in site is important but it needs to improve form of system that introduce obligation of safety design and design safety appraisement, an effect use method of safety control cost. The safety control cost is problem that reduce than design cost accordance bidding rate and use a little safety facility cost compare with labor cost. This study tried reduce the severity rate of injury by propose effective improvement scheme through relevant problem analysis to the safety control cost and remove caution that the severity rate of injury don't reduced.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.28 no.3D
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• pp.363-369
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• 2008

Change is inevitable and is a reality of construction projects. Change adjustment includes the cost associated with materials, labor, etc. However, the actions of a contractor can cause a loss of productivity and furthermore can result in disruption of the whole project because of a cumulative or ripple effect. Because of its complicated nature, it becomes a complex issue to determine the cumulative impact (ripple effect) caused by single or multiple change orders. Furthermore, owners and contractors do not always agree on the adjusted contract price for the cumulative impact of the changes. What is needed is a reliable method to identify and quantify the loss of productivity caused by cumulative impact of change orders. This study survey the change orders data in domestic area for public construction and analyze to quantify change order impact. This study developed concepts of "%CO", "%Delta", "%T" to capture change order effect on project and search the relationships between them. Finally, this study find strong relationship between change order and loss.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.33 no.6
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• pp.2575-2582
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• 2013

In the delivery systems for public construction works, design-build methods such as turn-key and alternative have contributed to improving the quality of structures and developing the construction technology. However, it is pointed out that construction based on a design-build method is likely to waste a budget due to its higher contract price than construction based on a design-bid-build method. Other issues such as contract monopoly, bid rigging and deliberation irregularity in design-build. Since there are not much works have been accomplished to comparatively analyze the actual performance and effect based on delivery methods, discussing and judging the performance and effect of each deliver method with limited information could lead to an error. Thus, this study by extensively investigates the actual project cost data, ranging from contract price to the construction cost of the public construction works and comparatively analyzed the characteristics of each delivery method about cost structure and fluctuation trend. This work is expected to assist stake-holders in properly understanding delivery systems for public construction works and promoting their efficient management.