Saturday 6 August 2011
Building Information Modelling
Building Information Modelling (BIM) can be defined as:
“Building Information Modelling is a digital representation of the physical and functional characteristics of a facility. It is a shared knowledge resource for information about a facility, forming a reliable basis for decisions during its life cycle, from earliest conception to demolition”
Autodesk Revit software, are Building Information Modelling packages:
- Revit Architecture is for architects.
- Revit Structure is for structural engineers
- Revit MEP is designed for mechanical and electrical engineers
Autodesk Revit Architecture
- Conceptual design: Architects can define conceptual forms and geometry as real building components.
- Parametric components: The basis for all building components designed in Autodesk Revit Architecture.
- Revit Building Maker: Conceptual forms can be turned into functional designs.
- Schedules: A change to a schedule view is reflected in every model view.
- Detailing: An extensive detail library and detailing tools.
- Design visualization: Capture design ideas in a photorealistic state.
Building Information Modelling and 4D, 5D, 6D and 7D
BIM can sometimes be confused with 3D modelling. Over the years BIM has extended to include 4D, 5D, 6D and 7D
Linking elements from a 3D model to activities in planning tools can create a 4D space and time model. E.g. With elements within the 3D model, it is possible to visualise the building at project phases.
A 5D model has cost information linked to the elements which is beneficial for cost planning and estimation purposes.
A 6D model accounts for sustainability optimisation which includes for energy performance analysis and BER / BREEAM / LEED element tracking.
7D allows for the integration of facilities management applications
(FMA) during the life of the building. I.e. Building completion to buildings demolition.
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