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AIA TAP: Building Connections CongressThere is no central BIM model...Léon van Berlo
Léon van BerloBuilding Connections Congress
Léon van BerloBuilding Connections Congress
Léon van Berlo               Building Connections Congress199?: Birth of “the central model”
Léon van BerloBuilding Connections Congress
Léon van Berlo                                   Building Connections CongressMisconception (misinterpretation): Shared da...
Léon van Berlo                Building Connections Congress              huh…?So why do we need a “central” model?
Léon van Berlo                                      Building Connections CongressWhy a „central modelserver‟? Sharing larg...
Léon van Berlo                        Building Connections CongressOk, so which one should I choose?Which one is best as a...
Léon van BerloBuilding Connections Congress                                source: Nour
Léon van BerloBuilding Connections Congress
Léon van BerloBuilding Connections Congress
Léon van Berlo                     Building Connections Congress “There is no CENTRAL model”(there are shoes with integrat...
Léon van Berlo  Building Connections CongressProof?
Léon van BerloBuilding Connections Congress
Léon van Berlo                       Building Connections CongressDenmark (June 2008):
Léon van BerloBuilding Connections Congress
Léon van BerloBuilding Connections Congress
Léon van Berlo                      Building Connections CongressBut „we‟ (in the Netherlands) also know this...
Léon van Berlo                Building Connections CongressOur research:
Léon van Berlo                     Building Connections CongressOur research:                NO ROUNDTRIP        (import/e...
Léon van Berlo                      Building Connections Congress                 Conclusion:The IFC data standard is stab...
Léon van Berlo                                    Building Connections CongressOther observations      (skip this during p...
Léon van Berlo                              Building Connections Congress                Found conclusion:    Working in a...
Léon van Berlo           Building Connections CongressWhy do people still do it?
Léon van Berlo                  Building Connections Congress       Why do people still do it?      “It‟s simple, easy and...
Léon van Berlo                      Building Connections Congress     The real question (which is difficult):What does the...
Léon van Berlo                                  Building Connections CongressMVD Model View Definitions Are about defining...
Léon van Berlo                 Building Connections Congress     And when you know your job,and you know what you need to ...
Léon van Berlo                      Building Connections Congress...you don‟t need a central modelserver at all.
Léon van Berlo                 Building Connections CongressThere is no central BIM    leon.vanberlo@tno.nl     twitter.co...
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AIA TAP Building Connections Congress 2013 - State of BIM standards

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Transcript of "AIA TAP Building Connections Congress 2013 - State of BIM standards"

  1. 1. AIA TAP: Building Connections CongressThere is no central BIM model...Léon van Berlo
  2. 2. Léon van BerloBuilding Connections Congress
  3. 3. Léon van BerloBuilding Connections Congress
  4. 4. Léon van Berlo Building Connections Congress199?: Birth of “the central model”
  5. 5. Léon van BerloBuilding Connections Congress
  6. 6. Léon van Berlo Building Connections CongressMisconception (misinterpretation): Shared data model is NOT equal to: Shared BIM model instance Shared data Shared data model comes from the need to share/distribute data in a standardized way…. “let’s agree to all do it like this”shared data model == creating agreements (interoperability)
  7. 7. Léon van Berlo Building Connections Congress huh…?So why do we need a “central” model?
  8. 8. Léon van Berlo Building Connections CongressWhy a „central modelserver‟? Sharing large files (data)… What information do you share? Where does it come from? Merging / synchronization Revision management Alerts/notifications Knowing who to blame Etc… Lots of good reasons, but you know why!Could be just a useful gadget… …. like shoes with build in music players.
  9. 9. Léon van Berlo Building Connections CongressOk, so which one should I choose?Which one is best as a „central‟ server? Huh? 
  10. 10. Léon van BerloBuilding Connections Congress source: Nour
  11. 11. Léon van BerloBuilding Connections Congress
  12. 12. Léon van BerloBuilding Connections Congress
  13. 13. Léon van Berlo Building Connections Congress “There is no CENTRAL model”(there are shoes with integrated music players)
  14. 14. Léon van Berlo Building Connections CongressProof?
  15. 15. Léon van BerloBuilding Connections Congress
  16. 16. Léon van Berlo Building Connections CongressDenmark (June 2008):
  17. 17. Léon van BerloBuilding Connections Congress
  18. 18. Léon van BerloBuilding Connections Congress
  19. 19. Léon van Berlo Building Connections CongressBut „we‟ (in the Netherlands) also know this...
  20. 20. Léon van Berlo Building Connections CongressOur research:
  21. 21. Léon van Berlo Building Connections CongressOur research: NO ROUNDTRIP (import/export in a chain of tools)
  22. 22. Léon van Berlo Building Connections Congress Conclusion:The IFC data standard is stable and usable in an AEC collaboration environment IFC meets the needs of the industry (as described in the paper)
  23. 23. Léon van Berlo Building Connections CongressOther observations (skip this during presentation) Users in the experiments in this research did not prefer a so-called „live synchronization‟. The median of synchronization time of model instances was 1 week (every Friday was a widely used practice). In a homogeneous software environment, users felt that all team members should have equal BIM software modeling expertise. The use of a reference model concept with IFC can lower the needed BIM competences for a project partner to be able to collaborate in a way that is sufficiently effective for the entire project team.
  24. 24. Léon van Berlo Building Connections Congress Found conclusion: Working in a „central‟ modelserver (everybody the same tool) has more downsides than advantages.(ownership of objects, data overload, legal, change requests, etc...)
  25. 25. Léon van Berlo Building Connections CongressWhy do people still do it?
  26. 26. Léon van Berlo Building Connections Congress Why do people still do it? “It‟s simple, easy and quick”“We just send/share everything we have”
  27. 27. Léon van Berlo Building Connections Congress The real question (which is difficult):What does the other person need to do his job? What do I need to do my job?
  28. 28. Léon van Berlo Building Connections CongressMVD Model View Definitions Are about defining the baseline to perform your job Are about your core business…..By the way: same goes for all the „ie‟ standards!
  29. 29. Léon van Berlo Building Connections Congress And when you know your job,and you know what you need to do it……
  30. 30. Léon van Berlo Building Connections Congress...you don‟t need a central modelserver at all.
  31. 31. Léon van Berlo Building Connections CongressThere is no central BIM leon.vanberlo@tno.nl twitter.com/berlotti
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