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© 2009 Carmel Software Corporation Stephen Roth, PE, LEED AP Principal of Carmel Software Corporation and gbXML Administrator Green Building XML The Open.

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Presentation on theme: "© 2009 Carmel Software Corporation Stephen Roth, PE, LEED AP Principal of Carmel Software Corporation and gbXML Administrator Green Building XML The Open."— Presentation transcript:

1 © 2009 Carmel Software Corporation Stephen Roth, PE, LEED AP Principal of Carmel Software Corporation and gbXML Administrator Green Building XML The Open XML Schema for Sustainable Design

2 © 2009 Carmel Software Corporation Green Building XML History  Data exchange between 3D-CAD and Green analysis applications  Development started Dec  Published June 2000  Funding – development and promotion  California Energy Commission  Green Building Studio, Inc.  Pacific Gas & Electric

3 © 2009 Carmel Software Corporation  Non-proprietary open data standard  Autodesk acquired Green Building Studio in 2008  gbXML was part of the acquisition but is not “owned” by ADSK  A new advisory board was formed in Q2 of 2009 to promote to the industry as a whole  Maintained by an industry consortium  200+ members  20+ applications  11 advisory board members Ownership and Support

4 © 2009 Carmel Software Corporation  Sustainable building analyses  Minimize human interpretation  Relieve pain Main Objective

5 © 2009 Carmel Software Corporation Sustainable Building Analyses  Whole building energy use & costs  Water use & costs (indoor, outdoor, and catchment)  Carbon emissions  Heating and cooling load analysis  LCA  Renewable energy  HVAC equipment sizing  Lighting analysis  CFD analysis  Fire analysis  Solar/shading analysis  Energy code compliance  Thermal comfort

6 © 2009 Carmel Software Corporation  3D planar polygon geometry  2D rectangular polygon geometry  Space boundaries (1 st & 2 nd )  Opaque constructions and materials  Thermal and emission properties, recycled content,  Costs including LCA (embodied, first, and future)  Fire properties  Glazing, shades, and their operation  Internal and external equipment  Energy, power, efficiencies, water use, physical characteristics  Costs including LCA (embodied, first, and future)  Lighting and controls Data Capabilities

7 © 2009 Carmel Software Corporation  HVAC equipment  Weather design data  Ventilation requirements  Operation schedules  Occupancy, lighting, equipment, HVAC, temperatures.  Infiltration  Transportation types, location, & schedule  Vegetation types, location, & water use.  Versioning and change history  No other open format has these capabilities! Data Capabilities, continued

8 © 2009 Carmel Software Corporation 3D BIM Model

9 © 2009 Carmel Software Corporation Analytical Model Derived from gbXML

10 © 2009 Carmel Software Corporation  CAD/BIM  Autodesk  AutoCAD Architecture & MEP  Revit Architecture & MEP  Green Building Studio (GBS)  Ecotect  Bentley  Architecture  Building Mechanical Systems  Speedikon Architectural  Google  SketchUp  Graphisoft  ArchiCAD  Mac and Windows  HVAC/Energy  CADLine  Cymap  Carrier  Hourly Analysis Program (HAP)  DOE-2.2 & eQuest (via GBS)  Elite Software  EnergyPlus (via GBS)  Energy Soft*  Environmental Design Solutions Ltd.  Tas  IES, Ltd.  IES  Trane  TRACE 700 gbXML Support

11 © 2009 Carmel Software Corporation  Simple to implement  TRANE spent < 1 month FTE  Intuitive structure  Deep vertical coverage  Wide availability of parsers (XML)  Major vendor support Top Reasons for Support

12 © 2009 Carmel Software Corporation  Most widely used format for sustainable analyses in the world  Fastest method for exchanging sustainable analysis data gbXML in Practice

13 © 2009 Carmel Software Corporation  Glazing example  Actual manufacturer data  Analysis ready data Performance Data

14 © 2009 Carmel Software Corporation  UC Berkeley – Bancroft Library $38 mil. renovation  Days saved with using AutoCAD-gbXML-TRACE 700 Firm’s practice changed to fully utilize gbXML Nearly every project has BIM model built, gbXML file exported and imported into Trace 700 Average of two days saved on every project Taylor Engineering

15 © 2009 Carmel Software Corporation  Duplication of effort by other organization – IAI, BuildingSMART  Misrepresentation that schema is not open or patented Issues

16 © 2009 Carmel Software Corporation  Autodesk has moving administration to outside Autodesk  An 11-member advisory board was formed in Q2 of 2009 consisting of software vendors that import/export gbXML Industry Consortium

17 © 2009 Carmel Software Corporation  Continue to evolve with industry input  Continue to standardize terminology  HVAC Components and Systems  Update the gbXML.org website to better reflect the growing popularity of the schema The Future

18 © 2009 Carmel Software Corporation Visit forwww.gbxml.org schema, more information, & Yahoo! gbXML group link. Contact me at: Stephen Roth, PE Getting Started


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