Building information modeling in green building
Building informationmodeling (BIM) in green buildings enables sustainable designs, allowing architects and engineers to integrate and analyse building performance. BIM enhances design and construction efficiency. Designers can quantify the environmental impacts of systems and materials to support the decisions needed to produce sustainable buildings, using information about sustainable materials that are stored in the database and interoperability between design and analysis tools. Such data is useful for building life cycle assessments.
BIM services, including conceptual modeling and topographic modeling, offer an approach to green building with successive and immediate availability of internally coherent and trustworthy project information.
Conceptual energy analysisEdit
Conceptual energy analysis allows designers and BIM service providers to transfer conceptual modeling into analytical energy models through exporting mass to gbXML. Possible information that can be transferred includes climate data, graphical energy analysis results, and design contrast options.
Solar and shadow analysisEdit
Software tools can aid designers and BIM service providers in envisaging or quantifying solar and shadow effects.
BIM tools and workflow have two phases: inherent BIM features and BIM-based analysis tools.
Inherent BIM includes functions such as 3D Model, visualization clash, and detection, which help integrated project delivery and design optimization.
BIM-based analysis tools are used to analyze energy, solar, thermal, etc. The benefits of these tools are to generate better communication and cooperation, as well as higher accuracy and efficiency.
The following tabulation compares BIM-based software used for green analyses.
|BIM software||Green analyses
E CE NV SD A W
|Autodesk Green Building Studio||v||v||v||v||v||A/D||De/OM|
|Integrated Environmental Solutions Virtual Environment||v||v||v||v||v||A/D/E/O||De|
|ODEON Room Acoustics Software||v||A/E||De|
|E for energy, CE for carbon emissions, NV for natural ventilation, SD for solar and daylight, A for acoustic, W for water
A for architects, D for a designer, E for engineers, O for consultants, U for utility companies, G for the government.
D for design, C for construction, OM for operation and maintenance.
Industry Foundation Classes data modelEdit
BIM aids in four main areas— land, water, energy and materials.
BIM and GIS are integrated for site planning. BIM simulations can estimate the progress of construction for every stage, and to regulate the site preparation process. It helps to simplify processes, maximize site utilization, and shorten construction periods.
BIM is utilized in large scale schemes as well as across the industry. It helps decrease unnecessary loss and effectively saves water. BIM improves the design process of building water supply and drainage, water planning in building projects, design and development of the water system, and the overall quality of the building.
BIM can be used to simulate energy consumption quickly and accurately. It can help eliminate energy waste. It integrates and analyzes information at the construction stage to calculate the thermal environment that could shorten the construction period effectively and realize energy saving. Designers can figure out energy efficiency.
BIM tracks material consumption, calculates material requirements, and it manages material information uniformly.
Sustainable rating systems are used to evaluate the environmental performance of buildings. These systems have common criteria and are similar in their evaluation of energy consumption, indoor environmental quality, water efficiency, and material. Three rating systems that can integrate with BIM are LEED, BREEAM, and Green Star.
The framework of integrating BIM-based with sustainable rating systems includes "design assistance" and "certification management" modules. The design assistance module assists designers with an efficient sustainable knowledge that is built into the BIM tool to ensure the design-oriented through BIM tool's application programming interface (API). The certification management module is a web-based application used to manage project information, sustainable documentation and submissions for certification purposes.
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