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Building Smarter Models. James Vandezande, AIA. Egregious Product Placement. #Tweckle me!!. @jvandezande. Develop an understanding of open BIM standards Learn how to develop high-quality models suitable for sharing with others Establish a measurable approach to implementing BIM workflows. - PowerPoint PPT Presentation
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Building Smarter Models
James Vandezande, AIA
Egregious Product Placement
Learning Objectives
• Develop an understanding of open BIM standards• Learn how to develop high-quality models suitable for sharing with others• Establish a measurable approach to implementing BIM workflows
#Tweckle me!!@jvandezande
Why Smarter Models?
?
Avoiding “BIM Wash”RTC Australia 2011www.bimthinkspace.com
Avoiding “BIM Wash”RTC Australia 2011www.bimthinkspace.com
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Standards vs. Requirements
Good, Bad & Ugly Owner Requirements
“If there is no campus standard and guideline in use, comply with the recommendations and guidelines of the United States National CAD Standard and the National BIM Standards, as currently amended.”
a. Physical datab. Material characteristicsc. Scheduled equipment product data as amended by installed product datad. Construction specifications
“The Good, the Bad and the Ugly” United Artists, 1966
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Standards vs. Requirements
Good, Bad & Ugly Owner Requirements•Indiana University•Dept. of Veterans Affairs•NATSPEC (Australia)
CoordinationProgram ValidationEquipment ValidationEnergy AnalysisFacility Management
“The Good, the Bad and the Ugly” United Artists, 1966
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Standards vs. Requirements
What's up with NBIMS?• Focused on interoperability• Defining the 'finish line'
– What about the beginning?
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Standards vs. Requirements
• IFC and COBie
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Standards vs. Requirements
• IFC and COBie
Early Design Stage
Construction Documents
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Standards vs. Requirements
• IFC and COBie
Product Installation
Commissioning
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Standards vs. Requirements
• Project Planning (BEP, PxP…)
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Visual cues about state of development
Paper vs. BIM
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Paper vs. BIM
Precision
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Paper vs. BIM
Deliverables
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Response?
The Disclaimer
This model looks great so you can look at it but you can’t use it for anything or rely on it for anything which includes, but is not limited to, everything.
If you use it for anything anyway then you have to pay my lawyers anything they want if I get sued for anything related to your use of the model for anything.
Have a nice day.
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Response?
Disclaimer approach:•Some of it’s not reliable so don’t rely on any of it.
Specified-Use Approach:•Some of it’s not reliable so only rely on what I say you can
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LOD Definitions
100 Estimate it.200 Specify it.300 Buy it.400 Build/Install it.500 Operate it.
DETAIL = Input*
DEVELOPMENT = Reliability
* Usually more Input than Reliability
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Use of LOD's
• No correspondence with design phase• No such thing as an “LOD ### model”
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LOD Catalog: Current Examples
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LOD Catalog: Current Examples
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LOD Catalog: Current Examples
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LOD Catalog: Current Examples
LOD200
LOD300
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Measured Implementation
• BIM Certified program• How do you measure success?• Back to NBIMS…standardizing BIM uses
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Design Authoring
• Model organization• Element authorship• Quality control
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Programming (Validation)
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Programming (Validation)
• Defined parameters, database procedures• QC = Program compliance reporting
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3D Coordination
• Procedures• Clash Tests• Tolerances• QC = Resolved clashes
to planned tolerances
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Energy Analysis (Conceptual)
• Climate & Site• Massing & Orientation• Daylighting• Enclosure Optimization
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Conclusion
• Planning versus plans• Don’t just “do BIM”• Measure successful objectives• Get involved with open standards
Plans are worthless. Planning is essential. - Dwight D. Eisenhower
Questions?
James Vandezande@jvandezande
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