Nathan Wood DPR Lean BIM
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Nathan Wood DPR Lean BIM remote presentation to ThinkBIM Construction and Assembly event Leeds 18 Apr 2013
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Nathan Wood DPR Lean BIM
- 1. PRESENTATION FOR: ThinkBIM Conference LEAN BIM: From Design to Construction Nathan Wood • DPR Construction • San Francisco, CA
- 2. DPR OFFICES 17 US LOCATIONS REDWOOD CITY, CA - HQ 1,300 FULL-TIME STAFF 1,400 CRAFT EMPLOYEES DPR Consulting – S. Korea & Columbia
- 5. Quick Bio – Nathan Wood • Graduated University of Texas – Civil Engineering – December 2008 • Started with DPR Construction – Redwood City, CA - October 2009 • Field Experience (2009-2012) – Sutter Medical Center Castro Valley – Concrete & Skin BIM Coordination – Alta Bates Hospital – Oakland, CA – PE/BIM for Concrete, Rebar, Ext Skin • Current Role – Innovation Team – Speeding the rate of change across DPR
- 6. Sutter Medical Center Castro Valley • Winner – 2010 Tekla Global BIM Awards
- 7. KEY CONCEPTS AND DEFINITIONS
- 8. What is ‘Lean’ Thinking “ To produce the right product at the right time in the right quantity for the customer and to produce exactly what “ you need and nothing more… Taiichi Ohno, creator of the Toyota Production System
- 9. What Exactly is “BIM”? • Building Information Modeling (BIM) is a digital representation of physical and functional characteristics of a facility. A BIM is a shared knowledge resource for information about a facility forming a reliable basis for decisions during its life-cycle; defined as existing from earliest conception to demolition
- 10. BIM as a Communication Hub Submittals Estimates RFIs Schedules As-Builts
- 11. MODEL WHAT YOU BUILD BUILD WHAT YOU MODEL
- 12. A LESSON IN LEAN BIM Structural Steel Detailing Workflow
- 13. Current State: Design to Fabrication 3D Model 2D Drawings Designer Detailer
- 14. Concerns with Manual • Does this…..Translation • Equal this?
- 15. Overlay Designer vs. Detailer Detail Model Design Model
- 16. Added Detail = Added Coordination
- 17. Proposed New Workflow: 3D Transfer 3D Model 2D Drawings Designer Detailer
- 18. Convert IFC to Tekla, With One Click Revit IFC Tekla Native Export .db1
- 20. Coordinating Rebar Around Steel • Ongoing steel fabrication put on hold • After 3 weeks of coordination and approval, fabrication resumed without schedule delay
- 22. Proposed New Workflow: 3D Transfer 3D Model 2D Drawings Designer Detailer
- 23. Challenge: Organizational Change … It’s Not Just About the Tool
- 24. Challenge: Organizational Change … It’s Not Just About the Tool
- 25. THANK YOU! Nathan Wood DPR Construction nathanw@dpr.com
Editor's Notes
- Usepowerpoint clicker
- Important to note that BIM, by its very definition, was intended for sharing information effectively, and should be a “reliable” source of project information. We know that to be true in the detailing world, but not always in the design world.
- The model should be shared with all memebers, and should be able to accessed with relative ease. This is certainly not always the case.
- Concept that the thought process when building a model should be the same as if you were building it physically in the field. When we started drywall modeling, we quickly realized that having a young tech savvy engineer fresh out of school modeling drywall wasn’t adding much value to the field. Sure we built a wall that is clash free, but it wasn’t necessarily detailed in the way that is more efficient to be built. By brining in field foremen to learn how to model and bring their field experience into the model, we drove a10-15% increase in field efficiency.
- Annimation describes the current process from a designer revit model to flattened 2D drawings for steel fabrication.