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Buildings that are more than 10 years old generally have considerable repair and replacement costs due to the rapid deterioration of their systems. For public buildings in particular, which have national and social significance, considerable effort is required not only to ensure a long life cycle and safety but also to minimize the overall public expense. Along with increasing repair and replacement requirements, however, there have been problems related to the establishment of an accurate facility management budget. To address these concerns, a repair and replacement cost management system was constructed. This system manages both invested maintenance and forecast costs to establish a reasonable repair and replacement planning process and budget. The effectiveness of the system was verified through a pilot test targeting one of public Corporation (K).

ABSTRACT:In Korea Water Resources Corporation (K-Water) has seen four problems rising in four aspects of property management of approximately 1,200 buildings scattered through put to country. To solve these, ground data for repair and replacement works to be conducted for prevention and will be prepared and building maintenance system (hereinafter referred to as PBMS) intended to record related repair and replacement work histories and calculate LCC of the related these items will be developed. To sum up, PBMS are expected to maximize efficiency in four aspects including establishing maintenance work plans for prevention, monitoring historical work, predicting future work to be occurred through the results of analysis of repair and replacement histories and LCC.

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With the advent of the fourth industrial revolution, the construction industry has undergone a paradigm shift. The smart construction technology market is expected to grow 12% annually in developed countries due to advanced technology investments. It is expected that businesses requiring highly sophisticated technology, for instance companies that need their old facilities upgraded, will become the main focus of the market. As building information modeling (BIM) design is becoming mandatory, such as in the Korea Public Procurement Service, researches regarding building automation, construction, and operation integration management systems based on BIM are conducted. In addition, for construction projects of over 10 billion won, design value engineering (Design VE) implementation, including life cycle cost (LCC) analysis, is mandatory at the design stage to improve quality and reduce the lifetime costs of buildings. In this study, we propose an improvement plan for LCC analysis at the design stage using the KBIMS library, which is an open BIM library developed by the Korean government and research groups. We analyze the existing LCC method, KBIMS library, and attribute information, and model the process that is applied in the LCC analysis system. This is expected to complement the LCC analysis system and improve work productivity.