1. Iris Tommelein - Teaching CE 167: Engineering Project Management Prof. Ballard (Fall) CE290M: Improving Performance in Engineering and Construction – Lean Construction I CE 290N: Advanced Construction Engineering – Lean Construction II CE 299: Project-based Production Systems Laboratory CE 267F: High-Tech Building and Industrial Construction - in Fall ‘04 if funding permits

2. Iris Tommelein - Research Project-based Production Systems aka. “Lean Construction” Lead time reduction for engineered-to-order products Work structuring Tolerance allocation Supply-chain Management, including Materials Management Site Logistics and Layout e-Business and Web-based Systems Visualization of Construction Processes 4D CAD with uncertainties (tolerances etc.) Planning, Scheduling, Simulation

3. Lean Project Delivery System

4. Project Flow

5. Wherever possible work is performed at optimum work height Sealing Duct Joints While on Lifts before Raising & Hanging

6. Ball of Yarn Analogy Design FabricationAssembly  Complex engineering interactions - Reciprocal Dependence - Concurrency  Final coordination - Matching components - Synchronize flows

7. Select Supplier Est. Reqts. Price+Detail. Check Loads +Interference ± 5 mh± 1 mh± 9 mh Design Pipe Supports Design Piping Syst. ± 2 weeks± 1 week± 8 weeks ± 1 mh± 2 mh± 6 mh Prep. Supp. Drawings ± 3 weeks± 6 weeks ± 2 mh± 24 mh Fabricate Approve Drawings ± 13 weeks Lead Time ± 33 weeks Map and Compress SC Lead Time for Pipe Supports (1) Involve Supplier Early in Design (2) Standardize Supports (3) Use EDI + Standardize Processes

8. Check Loads & Interf. ± 5 mh± 1 mh± 9 mh Design Pipe Supports Design Piping Syst. ± 6 weeks Engineer and Supplier Collaborate ± 6 weeks ± 24 mh Fabricate ± 13 weeks New Lead Time ± 25 weeks Map and Compress SC Lead Time for Pipe Supports ± 7 mh Iris Tommelein

9. Research Projects Hollow Metal Doors Light Fixtures CladdingSwitchgearTransformers Sheet Metal Ductwork Concrete Reinforcing Bars Pre-engineered Metal Buildings Pipe and Pipe Supports Tolerance Management Rebar

10. Recent Funding Sources National Science Foundation Construction Industry Institute Mechanical Contractors’ Foundation Electri’21 Electrical Contractors’ Foundation New Horizons Foundation (SMACNA) Construction Employers’ Association Various other grants

11. ETO Supply Chain Challenges 1. One-off nature Demand forecastingDemand forecasting Capacity assessmentCapacity assessment 2. Relationship between Product Development (design & detailing)Product Development (design & detailing) Supply Chain ManagementSupply Chain Management Prototyping (one-off assembly)Prototyping (one-off assembly) Assembly (on or off site)Assembly (on or off site) 3. Tension between project management and production management

12. http:// www.ce.berkeley.edu/ ~tommelein