The growing number of aging buildings is of critical importance to the economic and social well-being of a country. For institutional organizations, particularly those with large building portfolios, an effective facility management approach is required to ensure these buildings function properly for their missions. As a part of facilities management, building maintenance activities occupy a significant role in reaching the goal of delivering an acceptable level of performance while minimizing costs and failures. Historical work order data may potentially include a substantial value for assessing the condition of building systems by helping to identify frequent and common building maintenance activities. As an exploratory study on building maintenance activities in educational institutions, this paper conducts an analysis of historical work order data collected from six educational institutions in the State of Colorado and Connecticut in the United States between 2008 and 2018. Within this context, a total of 877,668 work orders have been analyzed to identify possible trends of the maintenance activities with building age and building type. The results of this study provide a preliminary understanding of the frequent maintenance activities in the data sets with their relations of building age and building type. The need for the comprehensive statistical analysis is apparent to better understand any possible trends in the maintenance activities and their correlations between building age and building type.
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