A typical building project has a long life in the maintenance stage. Also, the cost at this stage is\nenormously huge compared to planning, design and construction phases. In the earlier stage,\nwhich is planning or design phase, however, many project participants put little emphasis on the\nmaintenance information. As a result, important maintenance data is missing and erroneously\nfeedback to the 3D/BIM model. This research provides a generic process model for maintenance\ninformation management for building facilities. The authors have identified that there exist mostfrequently\nused information areas: checking information, material information, equipment information,\nsupplier information, and maintenance history information. Each information area\nshould be embedded in the BIM model in order to effectively feedback to the operation and maintenance\nstage in the project. Thus, the study has proposed a novel data format structure which can\neffectively link the 3D/BIM object with the maintenance data. The demonstration project shows\nhow the data format structure is used. The contribution of this study is to provide guidance to a\nproject practitioner by step-by-step approach in dealing with the significant maintenance information\nin the earlier stage of the construction project.
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