Project stakeholders use classification systems for different reasons.
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Having all model elements (e.g., equipment, doors, etc.) developed with an embedded classification taxonomy allows the model elements (assets) and associated data to be organized and transferred across various software platforms while maintaining data structure and integrity.ĭesign firms must be prepared to support various classification systems as each owner’s asset management software is configured differently. BIM authoring tools such as Revit, ArchiCAD and OpenBuildings Designer are designed to support model element classification systems such as Masterformat and Omniclass. When an OPR includes asset/facility management requirements, it is important to understand what types of equipment will be tracked, classification schemes, naming conventions and what data related to each piece of equipment will be tracked. Courtesy: Smith Seckman Reid /Perkins + Will Architecture/Atrium Healthcare The BIM model allows the project to be seen without walls to help the design team visualize and coordinate the building before construction. These daylighting tools also tend to have more detailed reporting features and are more forgiving of the precision with which the BIM model is created than in some energy modeling tools.įigure 1: A perspective 3D view shows the new Atrium Healthcare Union West Hospital currently being constructed in Stallings, N.C., just outside Charlotte. The benefits of such daylighting software are significant, as the simulations take a fraction of the time of those on desktop-based software and changes to the primary BIM model are immediately reflected in the daylighting model. To provide timely and effective design assistance to architects, the best daylighting tools tend to provide cloud-based simulations and direct integration with BIM tools. There is a clear time-saving synergy to simulate daylighting controls within energy simulation tools, but using that same tool to calculate other daylighting-related metrics - such as spatial daylight autonomy, annual sunlight exposure and daylight glare probability - may not always be the best choice. If energy models are expected to import geometry from the BIM model, the modeler must comply with the guidelines and restrictions of the energy modeling software, otherwise the BIM geometry will not import accurately, negating the benefits of the software integration. However, project team modelers must understand the flow of information and how the models and data they create are consumed downstream. For instance, models developed in BIM tools can be used by some energy and daylighting tools without having to re-create building geometry. The ability to have data shared between multiple modeling tools can have dramatic time-saving benefits. Software and its version are used by each trade to confirm compatibility to meet project requirements for linking and data exchange. Quality analysis/quality control process and requirements.Asset/facility management expectations.Some of the main elements in a BIM execution plan include: From a BIM perspective, beginning with the end in mind means defining BIM authoring software selection, model integrity and level of development, as these choices impact the success of others and ultimately the overall success of the project.Ī BIM execution plan that is shaped by the OPR will help guide the selection of modeling tools and define requirements, roles and responsibilities for each phase of the project. This includes project and design goals, measurable performance criteria, budgets, schedules, success criteria, owner’s directives and supporting information.”Įxamples of these requirements may include occupancy requirements, sustainability, energy efficiency, asset tagging, asset tracking and building performance criteria. “A written document that details the functional requirements of a project and the expectations of how it will be used and operated.
Ideally, the goals of the owner and other project stakeholders are documented in an owner’s project requirements, which ASHRAE defines as: Beginning with the end in mind is the key to a successful project and requires evaluating what it means to comply with the goals of all project team members and stakeholders, providing enhanced planning and collaboration on the front end to ensure the appropriate mechanisms and processes are in place.
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