Formulation of the Estimation Model of Maintenance Repair Costs in Korean Port Private Participation Projects

Jong-Phil Lee; 강동진; Cheong-Hyun Rho

doi:10.15793/kspr.2010.65..002

The purpose of this study is to formulate the estimation model of maintenance repair costs in Korean PPP(port private participation) projects. Maintenance costs is the important factor in port PPPs, considering that those costs is 11.7% of the whole O&M(operation and maintenance) costs. But the estimation of the appropriate maintenance repair costs was difficult because of the necessary raw data shortages, etc. So this study formulated the estimation model of maintenance repair costs of port facilities(civil & architectural facilities) and port operation equipments. And the formulation was performed in two steps. The first step was to postulate, calibrate and validate the multiple regression model based on the already proposed Korean port PPP's financial model. The second step was to formulate the integration method model and this step was performed in case the regression model didn't have the sufficient statistical significance and goodness-of-fit. Following these steps, it was proved that the integration method model in the form of logistic curve is the appropriate estimation model of maintenance repair costs of port facilities(civil & architectural facilities). And in case of the maintenance repair costs of operation equipments, the multiple regression model was the appropriate model.

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* 2021년 이후 발행 논문의 참고문헌은 현재 구축 중입니다.

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