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Leveraging BIM with Autodesk Quantity Takeoff

Leveraging BIM with Autodesk Quantity Takeoff. Mark Webb Software Engineer, Autodesk. Introduction. Autodesk Quantity Takeoff allows mix of old and new practices Old: Manual takeoff, tracing and measuring New: Automated takeoff, extracting intelligent data from BIM

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Leveraging BIM with Autodesk Quantity Takeoff

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  1. Leveraging BIM with Autodesk Quantity Takeoff Mark Webb Software Engineer, Autodesk

  2. Introduction • Autodesk Quantity Takeoff allows mix of old and new practices • Old: Manual takeoff, tracing and measuring • New: Automated takeoff, extracting intelligent data from BIM • Manual Takeoff is introduced in other sessions. • Automated Takeoff is the primary focus of this talk

  3. Preparing Data for AQTO • AQTO can read DWG/DWGx files directly without intelligent model data • DWF/DWFx is the preferred format, and is required for most automated takeoff • Can export 3D model and/or 2D sheets/elevations • Can export to multiple DWF/DWFx files and consolidate with AQTO • Can combine intelligent design data with raster within AQTO

  4. Example: Publishing from Revit • Step 1: Revit menu, Export->DWF • Step 2: Select (create if needed) publish set • Step 3: Export to DWF/DWFx • That’s it! • Note, publishing from AutoCAD Architecture is quite similar and described in AQTO documentation in some detail. • DEMO

  5. Automatic Takeoff : Single-Click • Hybrid of manual selection with automatic property value collection • Allows quick allocation and classification of elements in sheets • Automatically and immediately cross references in other documents. No more duplicate counting! • DEMO

  6. Automatic Takeoff: Search Takeoff • Used to quickly takeoff and group similar items • Allows quick and automatic classification • Automatically finds similar elements across sheets and in the model and cross references similar elements • DEMO

  7. Automatic Takeoff : Model Takeoff • Most comprehensive approach. Automatically counts everything in model • Cross references across sheets • Selective takeoff still possible • DEMO

  8. Model Takeoff and Templates • Templates really add power and productivity to Model Takeoff • To move Model Takeoff elements to Template, use the “Assign” technique • Subsequent Model Takeoff will automatically assign if template is loaded • DEMO

  9. Correcting Errors/Applying Formulas • Obtaining data from original model is powerful, but often not correct for takeoff purposes. • Correct individual values directly in AQTO to override model value • Apply formula to automatically adjust all model values • DEMO

  10. Sharing Your Results • It is possible to • Attach a legend to a sheet prior to printing • Export to DWF/DWFx • Print summary or detailed reports • Export to other applications • DEMO

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