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³í¹®¸í °ø°ø °Ç¼³°ø»ç¿¡¼­ÀÇ ½ÇÀû°ø»çºñ Àû¿ë¿¡ µû¸¥ ¹°°¡º¯µ¿·ü »êÁ¤±âÁØ °³¼±¹æ¾È / Improved Escalation Method for the Cost Estimation System using Previous Bid Price in Public Construction Projects
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¼ö·Ï»çÇ× Çѱ¹°ÇÃà½Ã°øÇÐȸ ³í¹®Áý, v.12 n.1 (2012-02)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(108) ÃÑÆäÀÌÁö(7)
ISSN 15982033
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î ½ÇÀû°ø»çºñ ; Áö¼öÁ¶Á¤¹æ¹ý ; °Ç¼³°ø»çºñÁö¼ö ; previous bid price ; escalation method ; construction cost index
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â ½ÇÀû°ø»çºñ Àû¿ëºÐ¿¡ ´ëÇÑ Áö¼öÁ¶Á¤À² »êÁ¤±âÁØÀÇ ÇöȲ°ú ¹®Á¦Á¡À» ºÐ¼®ÇÏ°í °³¼±¹æÇâÀ» Á¦½ÃÇÏ¿´´Ù. ½ÇÀû°ø»çºñ Àû¿ëºÐ¿¡ ´ëÇØ °øÁ¾º° ½ÇÀû°ø»çºñ ´Ü°¡ÀÇ Æò±Õ°ªÀ» Àû¿ëÇÏ´Â ±âÁ¸ ¹æ½ÄÀº ´Ü°¡ ±Ô¸ð°¡ Å« 6°³ °øÁ¾ÀÇ º¯µ¿ÀÌ Àüü¸¦ Á¿ìÇÏ¿© À¯»ç ¹°°¡ÁöÇ¥¿Í ´Ù¸¥ Ãß¼¼¸¦ º¸ÀÌ´Â µî ºñÆÇ ¼ÒÁö°¡ ÀÖ´Ù. ÀÌ¿¡ °Ç¼³°ø»çºñÁö¼ö µîÀ» Ȱ¿ëÇÏ´Â °³¼±¹æ¾ÈÀ» Á¦½ÃÇÏ°í »ç·ÊºÐ¼®À» ÅëÇØ °³¼±ÀÇ ´çÀ§¼ºÀ» °ËÁõÇÏ¿´´Ù. ½ÇÀû°ø»çºñ ºñ¸ñ±º¿¡ ´ëÇØ °Ç¼³°ø»çºñÁö¼ö µî¶ôÀ²À» Àû¿ëÇϴ ù¹øÂ° ´ë¾ÈÀÇ °æ¿ì °Ç¼³°ø»çºñÁö¼ö°¡ »ý»êÀÚ¹°°¡Áö¼ö¸¦ Ȱ¿ëÇÑ °¡°øÅë°èÀ̹ǷΠÀ¯»çÁöÇ¥°£ µî¶ôÃß¼¼ÀÇ Àϰü¼ºÀ» ±âÇÒ ¼ö ÀÖ°í, ±âÁ¸ ¹æ½Ä¿¡ ºñÇØ ¹°°¡º¯µ¿ ´ë°¡°¡ Çö½ÇÈ­µÉ ¼ö ÀÖ°Ô µÈ´Ù. ³ë¹«ºñ ºÎºÐÀ» ºÐ¸®ÇÏ¿© º°µµ ±âÁØÀ» Àû¿ëÇÏ´Â µÎ ¹øÂ° ¹æ¾Èµµ ½ÇÀû°ø»çºñ Àû¿ëºÐ ³ë¹«ºñÀ² ¸¸Å­ ÅõÀÔ±¸Á¶ ¿Ö°î ¹®Á¦°¡ ¿ÏÈ­µÇ¸ç, À¯»ç ¹°°¡º¯µ¿ÁöÇ¥¿¡ ±ÙÁ¢ÇÏ°Ô µÇ°í, ¹°°¡º¯µ¿ ´ë°¡°¡ Çö½ÇÈ­µÈ´Ù´Â Ãø¸é¿¡¼­ È¿°ú¸¦ ±â´ëÇÒ ¼ö ÀÖ´Ù.
¿ä¾à2 Escalation method examining the changes in price index has been widely utilized in public construction projects. The previous escalation method determined estimated changes in price based on the average unit price of contract items over a period of time. In relation to this method, the issue has been raised that the fluctuation rates of previous method show different trends compared with other related price indices, as the influence of the small group of contract items with large unit prices overwhelms the others. This research suggested an improved escalation method which estimates the fluctuation rate by examining the changes in CCI (construction cost index) and applies it to the total amount or the partial amount deducted for labor cost in price escalation for previous bid price method. To verify the improvement, a case study is conducted on an educational facility, and the fluctuation rate was estimated in two different base periods (short term, long term). The results over the long term showed similar tendencies to those of related price indices, as well as significant differences in fluctuation rates compared to those of the previous method.
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