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Exploring the Opportunities for Applying Lean Principles to Electrical Prefabrication . H. W. Chris Lee, Ph.D. Oregon State University July 22, 2013. Photo courtesy of NBBJ. Working Hypotheses. Electrical construction has its own unique barriers to prefabrication

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Photo courtesy of NBBJ

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  1. Exploring the Opportunities for Applying Lean Principles to Electrical Prefabrication H. W. Chris Lee, Ph.D. Oregon State University July 22, 2013 Photo courtesy of NBBJ

  2. Working Hypotheses • Electrical construction has its own unique barriers to prefabrication • A project that applies more lean principles provides more opportunities for electrical prefabrication Photo courtesy of Oregon Electric Group

  3. Project Objectives Increased Prefabrication in Electrical Construction 3 2 1 • Organizational • Contractual • Technological

  4. Project Tasks

  5. (Tentative) List of Lean Principles • Design alignment • Design for Prefabrication • BIM implementation • Variability management • Lead time/Labor/Quality/Design • Inter-organizational collaboration • Multi-trade cost and design management • Alignment of commercial interests • Integrated contracting methods Photo courtesy of OEG

  6. Project Outcomes – Research Report What to overcome? Barriers Lean Principles Leanness Scoring Matrix Why to overcome? How to overcome?

  7. Research Outcomes:Leanness Scoring Matrix WHY Simple? Cross-case analysis to identify improvement opportunities WHY Advanced? Photos courtesy of OEG and Skanska

  8. Hyun Woo “Chris” Lee, Ph.D. • CEM faculty at Oregon State University • School matching support of $20,000for the project • Head, IPDS (Innovative Project Delivery for Sustainability) Lab • Applying lean construction concepts and methods to sustainable investments • 7 years of construction experience • 3 years as estimator for electrical construction of light rail and trolleybus in California

  9. Strategic Partnership for Research • NECA Oregon-Columbia Chapter • NECA San Francisco Chapter • And more!

  10. Thank you! Questions? H. W. Chris Lee, Ph.D. School of Civil and Construction Eng. Oregon State University hw.chris.lee@oregonstate.edu 541-737-8539 Photo courtesy of NBBJ

  11. (Tentative) List of Barriers • Organizational • Late decision making • Lack of pre-planning • Inflexibility of construction workflow • Lack of (field personnel) buy-in • Contractual • Lack of contractors’ involvement • Lack of multi-trade communication • Technological • Interoperability issues of design software

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