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A Study on the Prediction-Formulas of Approximate Estimate Based on Actual Work Cost for Subway  

Park, Jong-Hyuk (Department of Civil Engineering, Seoil University)
Jeon, Yong-Bae (Department of Civil & Environment Engineering, Hanzhong University)
Park, Hong-Tae (Department of Civil Engineering, Kongju National University)
Publication Information
Journal of the Society of Disaster Information / v.9, no.1, 2013 , pp. 11-21 More about this Journal
Abstract
This study proposed cost prediction equation model by considering duration, construction, size, actual cost with the subway construction started by the actual cost system which was introduced since 2004. Costs - scale exponent n(confidence range: 0.5 to 0.7) for cost prediction of subway construction was drawn total cost(0.713), net cost(0.77) in point of the 11 subway construction data. The cost prediction equation model of the subway construction which was presented in this study is able to effectively apply to business planning, preliminary investigation, feasibility study, basic design stage to estimate the approximate cost in the future.
Keywords
subways; cost Index; actual work cost; cost predictionequation model;
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