06/06/07 – 07/11/07 bim building information modeling
TRANSCRIPT
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06/06/07 – 07/11/07 BIMBuilding Information Modeling
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Research Subject:
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Review of Literature:
BIM Concept
Image Courtesy: http://www.architecture.com.au/departurelounge/VVS_modell_1024.jpg
OWNER
CONTRACTORARCHITECT
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Review of Literature:
Multiple Analysis from same Model
Image Courtesy: http://accuracyandaesthetics.com/wp-content/uploads/2007/05/multipletypes.jpg
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Review of Literature:
Trends in BIMFrank Gehry
According to a survey by the joint BIM committee of the American Institute of Architects and Associated General Contractors of America, 74% of the 1,266 respondents said they're using 3-D digital modeling at some level.
The Merry Road to BIMBy Jeff Yoders, August 11, 2006,Building Design and Construction
His work includes the Experience Music Project (Seattle), the Guggenheim Museum Bilbao (Spain), and the Walt Disney Concert Hall (Los Angeles); Constructed by Mortenson Construction.
GSA: US General Services of Administration
The GSA has even taken the extreme step of mandating the use of IFC-based BIM and believes that BIM adoption should not be driven by cost savings alone, but for its many other benefits such as the ability to explore different engineering systems, perform energy analysis for LEED certification, derive specifications automatically, and eventually eliminate the use of paper and paper-based processes
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Review of Literature:
Trends in BIMFreedom Tower : SOM Eureka Tower: Fender Katsalidis Australia
Image Courtesy: http://images.google.com/images?svnum=10&um=1&hl=en&rls=com.microsoft%3Aen-us%3AIE-Address&rlz=1I7TSHA&q=freedom+tower
Image Courtesy: http://www.sh.xinhuanet.com/2007-05/14/xin_4105041415370462036615.jpg
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Research Case:
Case StudySHSU Academic Building 5 @ Huntsville, Texas:
Designed by WHR ArchitectsConstructed by SpawGlass ConstructionProject Start Date: 15 May 2007Project End Date: 26 September 2008Project Duration: 16 Months
The project is a 4 story high building with a basement and penthouse level
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Case Study: SHSU Academic Building 5
SpawGlass Construction
Integrate Time schedule: 4DDetect Design ConflictsUpdate the 4D model as the project progressesA need for dynamically integrated 4D modelSub-Contractor Co-ordination.
Expected Benefits from BIM
Parts of BIM not tested
Quantity take-offsResource allocation: Man-hours, methods and materialsCost allocation across project durationFacility Management
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Case Study: SHSU Academic Building 5
Constructor 2007
Modeling Interface
Estimating Interface
Scheduling and Generating reports
Plays a 5D real time- space file.
Cost reports
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Case Study: SHSU Academic Building 5
Model Transfer
Convert Revit file to IFC fileOpen IFC file in Constructor 2007Add schedule in constructorCreate the sequencing file in Presenter 2007
Expected Transfer using IFC extension file
Issues encountered
IFC Conversion is a time-consuming processUnexpected scaling of elements in Constructor
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Case Study: SHSU Academic Building 5
Challenges Creation of second BIM model with necessary details to integrate all scheduling activities.
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Case Study: SHSU Academic Building 5
Challenges Creation of second BIM model with necessary details to integrate all scheduling activities.
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Case Study: SHSU Academic Building 5
Challenges Creation of second BIM model with necessary details to integrate all scheduling activities.
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Case Study: SHSU Academic Building 5
Challenges Scheduling to reflect updated schedule
No option for predecessor / successors relationship logic
Linear Scheduling using Construction Simulation File
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Case Study: SHSU Academic Building 5
Challenges Scheduling to reflect updated schedule
STEPS INVOLVED
1. Start project in Estimator: Establish Project Database2. Assign Recipes to Building elements in Constructor3. Define the Work Breakdown Structure4. Assign Construction Zones5. Add Task Durations in preferred scheduling software 6. Export the 4D model to Presenter
Dynamic Schedule using Recipe Menu
Result:A dynamic scheduling file made from scratch using Constructor 2007
Disadvantage:No scope to dynamically connect an already existing schedule using Constructor
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Case Study: SHSU Academic Building 5
Navisworks – (Currently under tests)
Scheduling to reflect updated schedule
STEPS INVOLVED
1. Convert Constructor/Revit file to Navisworks file format2. Link an already existing schedule to Navisworks3. Assign building elements to task components 4. Play real time-space interactive animation file
Dynamic Schedule using Recipe Menu
Result:A dynamic scheduling file made from existing schedule. Contractor need not change traditional ways of conducting business
Disadvantage:Navisworks does not let the user draw additional components. One needs to use Revit+Navisworks OR Constructor+Navisworks.
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Case Study: SHSU Academic Building 5
BIM issues identified so far.
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MISSING END BEARING FOR BEAM.
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BEAM LOCATION INCORRECT
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Clarify detail A6 on A 301.
Is there a concrete section behind the MS beam ?
DRAWING INFORMATION CONFLICTS
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Additional Detailsare required to constructthe glass canopy
East canopy
DIMENSIONS MISSING
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Case Study: SHSU Academic Building 5
Work to be done
1. Phase 1: Modeling of Architectural/ Structural Elements
2. Phase 2: Test Scheduling Connectivity using Constructor/ Revit
3. Phase 3: Test Scheduling Connectivity using Navisworks
4. Phase 4: Modeling and scheduling of MEP elements
5. Phase 5: Final Reports
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THANK- YOU !
Thanks to:
• CIAC
• Dr Julian Kang: T.A.M.U
• Mr. Micheal Emmons, Mr. Brandon Meyers & Mr. Richard Evans: SpawGlass Construction
• WHR Construction