your perfect 3d world (bim and gis integrated) · your perfect 3d world (bim and gis integrated)...
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![Page 1: Your Perfect 3D World (BIM and GIS Integrated) · Your Perfect 3D World (BIM and GIS Integrated) Larisa Kruger, GISP The Ohio State University. kruger.57@osu.edu. 614-292-9521. David](https://reader030.vdocuments.net/reader030/viewer/2022011822/5ecdc77225ce6f13d43346c1/html5/thumbnails/1.jpg)
Your Perfect 3D World (BIM and GIS Integrated)
Larisa Kruger, GISPThe Ohio State [email protected]
David Alvarez, CMS,GISPJMT Technology [email protected]
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• Standardize Data•One Source à BIM Data
• Share Data in a Friendly and Accessible way• Support the Decision Making Process
Project Objectives
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Buckeye BIM Initiative
Medical Center• completeMain Campus• In Progress
Converted• 15,525,022 sq ftTotal • 34,350,000 sq ft
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•Improved design process•3-D visualization for owner (static only)•Coordination between disciplines•Interference checking•Facilitates energy efficiency and LEED•Automated quantity take offs•4-D scheduling•Improved documentation of design intent•Potentially used for fabrication
BIM Benefits for Design and Construction
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•Conceptual Model (LOD1)•Spaces, Volumes, approximate shapes
•Approximate Geometry (LOD2)•Generic elements, materials•Specific rooms/spaces
•Precise Geometry (LOD3)•Specific elements detailed•Interference checking•Suitable for Construction Documents
•Fabrication (LOD4)• Contractor/fabricator details
•As-Built
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BIM to GIS Integration Issues
• BIM is MUCH richer in detail than GIS • GIS has only recently become fully 3-D• Design BIM contains all the information
needed to construct a building, but not to manage it• Space polygons• Occupant information• Asset details (make, model, etc.)• Equipment maintenance data
• Missing tabular data can be supplied by Construction Operations Building Information Exchange (COBie)
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• IFC can be used to exchange and share BIM data between applications developed by different software vendors without the software having to support numerous native formats.
• As an open format, IFC does not belong to a single software vendor; it is neutral and independent of a particular vendor’s plans for software development.
IFC- The International Open Standard for BIM
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IFC
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Standards
• The IFC specification is written using the EXPRESS data definition language, defined as ISO10303-11 by the ISO TC184/SC4 committee. • It has the advantage of being compact and well
suited to include data validation rules within the data specification.
• It is an ASCII file format used to exchange IFC between different applications.
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Elements in BIM are Created in Detail
This data is required to convey the information needed to construct the facility.
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3D Formats
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Data Conversion Workflow
3DCityEngineArc Scene
2DDesktop Web App
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Coordinates and Elevation from ArcMap
Enter Coordinates in Revit
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Export to IFC Run FME Models
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FME Conversion
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Challenges- Conversion
• IFC handling of the columns • Custom Attributes (Room ID) in Revit• Coordinate System
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Revit File
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2D Geodatabase
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3D Shapefile
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3D Shapefile
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2D Data Used in Web Application and Desktop
• Display floors around campus• Find detailed information about a room
• Organization• Department• College• Room Type
• Display building assessments• Interior Finishes • Exterior• Life Safety• Accessibility
•Plumbing•HVAC•Electrical
•Function•Sub Room Type•Capacity•Room Number/Space ID
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Floorplans Link to Space Data (SIMS)
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Categorization and Query of Space Utilization
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Buildings Link to Building Assessment Database
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3D Data
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3D Data
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3D Data
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3D Data
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LiDAR Extracted Buildings & 3D Shapes From BIM
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3D Web App (City Engine)
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David Alvarez, CMS, GISPJMT Technology [email protected]
Larisa Kruger, GISPThe Ohio State [email protected]
Questions?