Title An Analysis of the Duration of the Construction Document Phaseo f Large Public Building Projects Delivered by the Total Solution Service from2 009 to 2014
Authors Jung, Wooyoung ; Lee, Taewon ; Rhee Pung-wook ; Lee, Ghang
DOI http://dx.doi.org/10.6106/KJCEM.2015.16.4.089
Page pp.89-97
ISSN 2005-6095
Keywords Construction document phase ; Construction documents ; Duration of construction document phase ; Correlation coefficient analysis
Abstract This paper analyzes the duration of the construction document (CD) phase of 42 large public building projects delivered by the total solution service of Public Procurement Services in Korea from 2009 to 2014. The quality of construction documents significantly affects the quality of construction and facility management. Thus, securing appropriate time for the CD phase during project planning is important for the quality of a project. Currently, the duration of the CD phase is planned based on the construction costs of a project following a notice of the Ministry of Land, Infrastructure and Transport. However, our analysis results showed that the correlation between the actual duration of the CD phase and construction costs is very weak. The actual CD phase takes 1.33 ? 1.79 times longer than the planned duration. The practitioners who were interviewed, were already aware that the correlation between the duration of the CD phase and the construction costs is weak. They identified the complexity of the project, the extent of the design changes, project type, client characteristics, and others as more influential factors on the CD phase than the construction costs. To improve the quality of CDs, a new guideline for determining an adequate CD phase duration should be studied and developed.