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BIM – UNDERSTANDING THE PROCESS The State-of-the-Art Tool in Design and Construction

BIM – UNDERSTANDING THE PROCESS The State-of-the-Art Tool in Design and Construction. SPONSORED BY SAME, DC POST IN ASSOCIATION WITH ACEC M/W. “Insanity: doing the same thing over and over again and expecting different results. -Albert Einstein. Definition of BIM.

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BIM – UNDERSTANDING THE PROCESS The State-of-the-Art Tool in Design and Construction

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  1. BIM – UNDERSTANDING THE PROCESSThe State-of-the-Art Tool in Design and Construction SPONSORED BY SAME, DC POST IN ASSOCIATION WITH ACEC M/W

  2. “Insanity: doing the same thing over and over again and expecting different results. -Albert Einstein

  3. Definition of BIM • Building Information Modeling (BIM): The process of generating and managing building data during its life cycle. Typically it uses three-dimensional, real-time, dynamic building modeling software to increase productivity in building design and construction. The process produces the Building Information Model, which encompasses building geometry, spatial relationships, geographic information, and quantities and properties of building components.

  4. 70s 80s 90s 00 10 History of Methods of Production Building Lifecycle Mgt. Building Information Modeling Objects Computer-Aided Drafting Layered Production Tracing Paper FutureTechnologies Centralized, Integrated Databases Manual Methods CAD Object-Oriented CAD

  5. Central Database vs Federated File Structure

  6. Federated Workflow 3D 2D Extraction Files Geometry Files Optional Project Master Model Sheet Drawing Files Struct Struct Project Model Arch Arch Mech Mech Discipline Master Models Arch Struct Mech Schedules and Tables Design Models

  7. Central Database Workflow USER 1 USER 2 CENTRAL MODEL USER 4 USER 3

  8. Central Database Workflow

  9. What is the Model Intent? • 1. Visualization • Perspectives, Renderings • 2. Production • Schedules, Drawings • 3. Interference Detection • 3D Clash Detection, 3D coordination with sub-consultants • 4. Analysis • Structural, Thermal, Code Compliance • 5. End User • Facilities Management, GIS • 6. Supply Chain Integration • 4D, 5D Simulation, CNC Fabrication

  10. BIM Execution PlanThe Who, What, Where, When 1. Level of Detail (LOD) 2. Model Element Author (MEA) References -AIA Document E202 -PSU BIM Project Execution Planning Guide

  11. BIM in the Design Process David Rushforth, PE, LEED AP BD+C

  12. BIM in the Design Process • BIM Process • Workflow • Modelers vs. Drafters • Designing in the Model • Modeling effort over the life of the project • Increased modeling time up front compared to CAD • DD phase drawings may be “lighter” • Front end coordination • 3D coordination • Conflict resolutions

  13. BIM in the Design Process • BIM Process • Parametric documentation • Each element has parameters • Can organize/query parameters in schedules • Previous methods • Symbols and information stored separately • Information duplicated each time it is used • Parameterized • Symbols, 3D geometry, and information stored together • Can locate 3D geometry by searching information and vice versa • Information stored once can be referenced many times

  14. BIM in the Design Process • Benefits to the Design • Parameters contained within model • Data in one location reduces discrepancies on drawings • Calculated loads and schedules are automatically updated to reflect changes on plans and vice versa • Panel schedules • Device counts • Equipment schedules

  15. BIM in the Design Process • Benefits to the Design • Visualization enabling design • Verify vertical clearances and mounting heights • Determine floor box depths • Verify design of systems in 3D

  16. BIM in the Design Process • Coordination of Trades • 3D coordination is enabled • Design around other elements in the model • Can turn on/off various trades as needed during design • Design information is shared • Same model elements used by all trades • Can implement automatic notifications of changes

  17. BIM in the Design Process • Coordination of Trades • Coordination tools • Walk/fly through • Shared Schedules • Custom applications • Clash detection

  18. BIM in the Design Process • Design Analysis and Verification • Visualization on plans • Lighting photometric calculations • Loads (W/sf) • Fire ratings of walls • Run calculations and verifications using the model’s database • Automate system diagrams and calculations

  19. BIM in the Design Process • Design Analysis and Verification • Shared model for energy and solar analysis

  20. Analyzing the Model • Design Analysis and Verification: • Shared model for photometric analysis

  21. BIM in the Design Process • Design Analysis and Verification • Future shared model for computational fluid dynamics (CFD) analysis Perimeter Study - Particle Trace Air Velocity Profile Temperature Profile

  22. BIM in the Design Process • Documentation • Final product • Construction drawings • Model • Parametric benefits • Global changes • Can adjust project standards (element symbols, line weights, text heights, general sheet notes, keynotes, revision names/numbers, etc. ) • Vs. per sheet as with CAD projects • Issued/revision history • Sheet lists

  23. BIM in the Design Process • Drawbacks and Limitations • Linked models (coordination and data sharing limitations) • Software and network limitations • Complex software requires training • Evolving technology • More coordination time in the design phase is expected and required by clients • GIGO (Garbage in, garbage out) applies

  24. BIM in Construction CLASH DETECTION

  25. BIM in Construction CONSTRUCTION SEQUENCING

  26. BIM and Operations • Data Strategy • Begin with the end in mind • Life Cycle Data Mix • BIM for Bulk Data Processing • SEPS • COBIE • Maximo • Slim BIM for Synchronous Info

  27. Graphic / Attribute Mix Graphic Original Design Graphic Design Graphic Design Attribute Data Attribute Data Data Data Attribute Data A/E Contractor Owner/Operator SEPS COBie2 Maximo

  28. Space & Equipment Planning Automating a Complex, Data-rich Process Space & Equipment Planning System Equipment Database Space/Room Database (SEPS) Equipment Specification Database (for HFPA: Military Handbook 1691) Project Program Space List JSN (key field) Equipment List Room Guideplates and Equipment Lists

  29. Construction Operations Building Information Exchange – (COBie2)

  30. COBieConstruction Operations Building Information Exchange Facilities (or projects) Contact Manuals Floors Types (equipment types) Documents (approved electron submittals) Warranties Parts Spaces Components (named equipment) Installation (Make, Model, Serial #) ….. etc Zones Systems Project Lifecycle Project Delivery Design + Documentation Construction BIM Modeling – Data Development COBie Worksheets 1 through 8 COBie Worksheets 9 through 16

  31. Developing Data + BIM Components Assigning COBie Data Fields To Model Components Project Data COBie Sheet Facility Contact Spatial Data Building Components Floor Space Zone Type Component Revit Component Project level data – not model components • Add Information to COBie spreadsheet Space/Room Components 3D Components • Project team to determine the components to be tracked for COBie (not all! e.g. no mullions) • Manufacturers are developing objects (Autodesk SEEK) - still preliminary. Data attributes -TBD in future. • COBie attributes assigned to spaces with Revit room schedule creation

  32. COBie Data Structure - Spatial Assigning COBie Data Fields To Model Components 2nd Floor Room 201 Sprinkler Zone 3 Floor Space Zone • Room 202 • Room 203 • Room 204 • Room ID • Name • Space Type • Area • Name • Gross Area

  33. COBie Data Structure - Assets Assigning COBie Data Fields To Model Components System Component • VAV2-1 • DUCT2-12 • DUCT2-15 • DIFF435 • Asset Tag/ID • Serial Number • Date Installed Asset Type • Manufacturer • Model No. • Warranty Duration

  34. Asset Creation

  35. Asset Visualization

  36. Asset Reconciliation

  37. Building O&M Workflows

  38. BIM for Operations • Data Strategy • Begin with the end in mind • Life Cycle Data Mix • BIM for “Batch” Data Processing • SEPS • COBIE • Maximo • Slim BIM for Synchronous Info

  39. THANK YOUQUESTIONS ???

  40. RESOURCE LINKS • American Institute of Architects – Document E-202 • http://www.aia.org/release_092408_condocs • Penn State University – Project Execution Planning Guide • http://www.engr.psu.edu/ae/cic/BIMEx/download.aspx • National BIM Standard United States v1.0 • http://www.wbdg.org/bim/nbims.php • Construction Operations Building Information Exchange (COBiE) • http://www.wbdg.org/resources/cobie.php

  41. CONTACT • Brian Ward, AIA, Michael Baker Jr. Inc. • bward@mbakercorp.com • David Rushforth, PE, Vandeweil Engineers • drushforth@Vanderweil.com • John Sullivan • john.sullivan@autodesk.com

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