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  • Writer's pictureGil Michely

Economists, how to use the BIM model to optimize the management of your assets.

One of the main benefits of BIM is revealed in the operational phase: the model constitutes an information base on which a panoply of software and sensors can be added to : - measure the actual performance of the equipment, - note the differences with the expected results, - find solutions to correct these discrepancies, - better calibrate the systems, - determine the maintenance interventions according to the losses of efficiency related

to wear or maintenance. In addition, as technologies continue to evolve, it is now possible to make simulations allowing - assess the cost/benefit of replacing one system with another, - optimize energy performance - develop demand management scenarios. How does the BIM model improve the CMMS and GTB/GTC of its building? CMMS (Computer Aided Maintenance Management) GTB/GTC (Building Technical Management and Centralized Technical Management) For the facility manager, these tools provide him with a knowledge base on his assets and aim to improve his ability to react and make decisions. In order to inform the facility manager about the state of his building and to position him in a preventive rather than corrective logic, the data of the sites concerned must be exhaustive and reported as quickly as possible, even in real time. In the evolution of CMMS, the BIM model of buildings has a major role to play. First of all, it offers a gain in responsiveness to Facility Manage by offering a spatial repository in which to consult, share, and locate more simply the technical, geometric and structural information of a building. For example, it becomes possible for the latter to decide on the actions to be taken to ensure its proper functioning, or to check that certain tasks have been carried out, by directly identifying in the model the location and information of a machine (technical characteristics, associated intervention history, etc.). A significant element, benefiting from a common repository with customers, service providers or colleagues facilitates the collaboration of the facility manager. USE OF THE BIM MODEL: Complete solutions exist, such as Active 3D, Planon, Nemetschek and of course TM Facility, make it possible to carry out CCTP, DPGF, DQE, calls for tenders, analyzes of offers and identification plans at the same time. Importing a model directly into this type of solution eliminates the time-consuming “classic” modeling phase for the economist, who can then focus his efforts on his real added value: the technical analysis of the project and the optimization of costs. The appearance of BIM does not modify the role of the economist, his work is on the other hand optimized thanks to an additional tool offering him the possibility of quantifying more quickly. To make good use of the BIM model, it is necessary to: - Make a precise definition of the needs and objectives of the economist when drafting

the BIM agreement; - Make a clear designation of all the modeled objects; - Make a library of prices (specific to each economist) sufficiently worked and updated

to be quickly adapted to each new case. With these conditions met, the automation of quantities can be more and more efficient as projects are carried out with a BIM method. BIM thus opens up new horizons in terms of energy optimization.

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