Building Information Modeling (BIM) and Design for Manufacturing and Assembly (DfMA) for Mass Timber Construction November 8, 2018 Created by: Sheryl Staub-French, PhD, PEng Erik A. Poirier, PhD Francisco Calderon, MASc Imen Chikhi, M. Arch. Puyan Zadeh, Dr.-Ing Divyarajsinh Chudasma Shitian Huang BIM TOPiCS Research Lab University of British Columbia bimtopics.civil.ubc.ca Cover photos courtesy of Lucas Epp/StructureCraft Table of Contents Executive Summary .............................................................................................................. iii Background ..................................................................................................................................iii Research Objectives and Methodology .......................................................................................... iii Summary of Findings ..................................................................................................................... iv Benefits of BIM and DfMA .............................................................................................................. v Challenges with BIM and DfMA ..................................................................................................... vi Industry-Focused Recommendations ............................................................................................ vii Project-Focused Recommendations ............................................................................................. viii Report Summary ............................................................................................................................ x Glossary ............................................................................................................................... xi Introduction .......................................................................................................................... 1 Background: BIM and DfMA in the Context of Mass Timber Construction ............................... 5 Core Concepts ................................................................................................................................5 Building Information Modeling ............................................................................................................................ 5 Design for Manufacture and Assembly .............................................................................................................. 10 BIM and DfMA .................................................................................................................................................... 14 Other Relevant Initiatives............................................................................................................. 17 Lean and DfMA of Mass Timber ......................................................................................................................... 17 BIM Platforms and Product Libraries for Mass Timber ...................................................................................... 18 BIM and DfMA for Other Domains: The Steel Construction Sector ................................................. 20 Conclusions ................................................................................................................................. 25 Findings: BIM and DfMA in Mass Timber Construction ......................................................... 26 DfMA and Organizing BIM Projects ............................................................................................... 26 Types of BIMs and Modeling Environments ...................................................................................................... 26 Project Organization .......................................................................................................................................... 29 Roles and Responsibilities .................................................................................................................................. 32 BIM Execution Planning ..................................................................................................................................... 32 Uses of BIM ................................................................................................................................. 33 Visualization ....................................................................................................................................................... 33 Structural Analysis .............................................................................................................................................. 34 BIM Coordination and Clash Detection .............................................................................................................. 36 Constructability Review ..................................................................................................................................... 38 Generation of Project Documentation ............................................................................................................... 39 Quantity Takeoff to Support Cost Estimating .................................................................................................... 41 Planning Construction Methods......................................................................................................................... 42 Transportation and Delivery Logistics ................................................................................................................ 43 4D Scheduling & Progress Tracking .................................................................................................................... 45 Lifting and Center of Gravity Analysis ................................................................................................................ 46 Digital Fabrication .............................................................................................................................................. 46 i BIM Workflows ............................................................................................................................ 47 Conceptual Design ............................................................................................................................................. 50 Design Development .......................................................................................................................................... 50 Construction Documentation ............................................................................................................................. 51 Detailing ............................................................................................................................................................. 52 Manufacturing.................................................................................................................................................... 52 Assembly ............................................................................................................................................................ 53 BIM Tools and Information Exchange ........................................................................................... 53 Common Design Tools ....................................................................................................................................... 53 Common Manufacturing Tools .......................................................................................................................... 57 Information Exchange and Interoperability ....................................................................................................... 60 Conclusions ................................................................................................................................. 63 Findings: Industry Readiness Survey ..................................................................................... 64 BIM Adoption ..................................................................................................................................................... 65 Mass Timber Construction ................................................................................................................................. 69 Adoption of DfMA Principals .............................................................................................................................. 70 Conclusions ........................................................................................................................................................ 71 Benefits, Challenges and Recommendations ........................................................................ 72 Benefits of BIM and DfMA ............................................................................................................ 72 Challenges with BIM and DfMA .................................................................................................... 73 Recommendations ....................................................................................................................... 74 Industry-Focused ................................................................................................................................................ 74 Project-Focused 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