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³í¹®¸í °ø°ø°Ç¼³°ø»ç ¹ßÁÖ¹æ½Ä¿¡ µû¸¥ ºñ¿ë¼º°ú ½ÇÁõºñ±³ / Cost Performance Comparison of Project Delivery Methods in Pubicl Sector - Focusing on Mediator Effect of Biddropping on Change Orders - / ¼³°èº¯°æ¿¡ ´ëÇÑ ³«Âû·ü ¸Å°³È¿°ú¸¦ Áß½ÉÀ¸·Î
ÀúÀÚ¸í ¹®È¿¼ö(Moon, Hyosoo) ; ÀÌÇö¼ö(Lee, Hyun-Soo) ; ¹Ú¹®¼­(Park, Moonseo) ; À̺¸°æ(Lee, Bogyeong) ; ÁÖ¼±¿ì(Joo, Seonu)½Äº°ÀúÀÚ ; ¼Õº¸½Ä(Son, Bosik)½Äº°ÀúÀÚ
¹ßÇà»ç Çѱ¹°Ç¼³°ü¸®ÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°Ç¼³°ü¸®ÇÐȸ ³í¹®Áý, Vol.16 No.5 (2015-09)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(86) ÃÑÆäÀÌÁö(11)
ISSN 2005-6095
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î ³«Âû·üÀÇ ¸Å°³È¿°ú ; ¹ßÁÖ¹æ½Ä ; ¼³°è½Ã°øÀϰýÀÔÂû ¹× ¼³°è½Ã°øºÐ¸®ÀÔÂû ; ºñ¿ë¼º°ú ; ¼³°èº¯°æ ; Mediator Effect of Biddropping ; Delivery Method ; Design-Bid & Design-Bid-Build ; Cost Performance ; Change Order
¿ä¾à1 ±âÁ¸¿¬±¸¿¡¼­ Design-Build(ÀÌÇÏ ¡°DB¡±)°¡ Design-Bid-Build(ÀÌÇÏ ¡°DBB¡±)¹ßÁÖ¹æ½Äº¸´Ù ºñ¿ëÃø¸é¿¡¼­ ¿ì¿ùÇÏ´Ù°í ÇÏ´Â ÀÌÀ¯´Â ¼³°èº¯°æÀÌ Àû±â ¶§¹®ÀÌ´Ù. ±×·¯³ª ¸¸¾à DBB°¡ ³«Âû·üÀÌ ³·¾Æ À̰ÍÀ» ¸¸È¸Çϱâ À§ÇØ ¼³°èº¯°æÀ» ¹ß»ý½ÃÄ×´Ù¸é, DB°¡ ¼³°èº¯°æÀÌ Àû±â ¶§¹®¿¡ ¿ì¿ùÇÏ´Ù´Â °ÍÀº À߸øµÈ ÆÇ´ÜÀÌ´Ù. µû¶ó¼­ ÀÌ·¯ÇÑ ÆÇ´ÜÀÇ ¿À·ù¸¦ È®ÀÎÇϱâ À§ÇØ ¹ßÁÖ¹æ½Ä°ú ¼³°èº¯°æ, ȤÀº ³«Âû·ü°ú ¼³°èº¯°æÀÇ ¿µÇâ°ü°è¸¸ ºÐ¼®ÇÏ´ø µÎ Á¾·ùÀÇ ¿¬±¸µéÀ» Á¾ÇÕÀûÀ¸·Î ºÐ¼®ÇÏ´Â °ÍÀ» ½ÃµµÇß´Ù. ¶ÇÇÑ °æ·ÎºÐ¼®±â¹ýÀ» ÅëÇØ ÇÁ·ÎÁ§Æ® ŸÀÔ º°·Î ¹ßÁÖ¹æ½Ä°ú ³«Âû·üÀÌ ¼³°èº¯°æ¿¡ ¹ÌÄ¡´Â È¿°úÅ©±â¸¦ µ¿½Ã¿¡ ºñ±³ÇÔÀ¸·Î½á ³«Âû·üÀÇ ¸Å°³È¿°ú¸¦ °ËÁõÇÏ¿´´Ù. ±×°á°ú ƯÁ¤ ÇÁ·ÎÁ§Æ® ŸÀÔ¿¡¼­´Â ¹ßÁÖ¹æ½Ä°ú ¼³°èº¯°æ »çÀÌ¿¡ ³«Âû·üÀÌ °³ÀÔÇÏ¿© ¸Å°³È¿°ú¸¦ ¹ß»ý½Ã۰í ÀÖÀ¸¹Ç·Î, DB°¡ DBBº¸´Ù ¼³°èº¯°æÀÌ Àû±â ¶§¹®¿¡ ¿ì¿ùÇÏ´Ù°í ÆÇ´ÜÇÒ ¼ö ¾øÀ½À» °ËÁõÇÏ¿´´Ù. ÀÌ·Î½á ¹ßÁÖ¹æ½ÄÀÌ ³«Âû·üÀ» ÅëÇØ ¼³°èº¯°æ¿¡ ÀÛ¿ëÇÏ´Â ¿ø¸®¸¦ ¹àÈ÷°í, ³«Âû·üÀÇ Á¤Ã¼¼ºÀ» ±âÁ¸ ¿¬±¸¿Í´Â ´Ù¸¥ °üÁ¡¿¡¼­ ±Ô¸íÇÏ¿´´Ù. À̸¦ ¹ÙÅÁÀ¸·Î ÇÁ·ÎÁ§Æ® Ư¼º¿¡ µû¸¥ ¸Å°³È¿°ú¸¦ °í·ÁÇÑ ¹ßÁÖ¹æ½Ä ¼±Á¤°ú ¼º°úÃøÁ¤¿¡ µµ¿òÀ» ÁÙ ¼ö ÀÖÀ» °ÍÀ̶ó°í ±â´ëÇÑ´Ù.
¿ä¾à2 According to previous research, the reason why Design-Build(hereinafter ¡°DB¡±) outperforms Design-Bid-Build(hereinafter ¡°DBB¡±) in terms of cost is due to less change orders(hereinafter ¡°COs¡±). However ; if biddropping was low for DBB resulting into increasing COs ; then it would be wrong to conclude that DB is superior due to less COs. Therefore ; in order to confirm such misjudgment ; the attempt to comprehensively analyze biddropping ; COs and delivery method was made as previous methods had analyzed either the relationship between delivery method and COs ; or biddropping and COs. This research uses path analysis ; which simultaneously compares effect sizes on COs according to delivery method and biddropping based on the project type ; and validated the mediator effect. The research proved that DB outperforms DBB due to less COs cannot be validated as biddropping caused a mediator effect by intervening between the delivery method and COs for specific project types. Therefore ; the mechanism of delivery method acts on COs through biddropping was established. Also ; the identity of biddropping was investigated in a different perspective from previous research. Based on this result ; this research is expected to help determine a delivery method by considering the mediator effect of specific projects and evaluate performance.
¼ÒÀåó Çѱ¹°Ç¼³°ü¸®ÇÐȸ
¾ð¾î Çѱ¹¾î
DOI http://dx.doi.org/10.6106/KJCEM.2015.16.5.086
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