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Published byOswald McCoy Modified over 9 years ago
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5. 11.2015 Model-based Estimating Olli Seppänen Professor of Practice Operations Management in Construction Department of Civil and Structural Engineering
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BIM > another step change for estimating As the technology continually improves, one thing does not change…. The need for an Estimator!
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Evolutionary Estimating
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Why use BIM in estimating? Decision Support & Superior Interaction Improve Efficiency & Reduce Design, Cost & Schedule Risk Make Life Easy for GCs / Subs Win Business + Reduce Risk Make Life Easy for Owners/Designers
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BIM ties disciplines together: Quality-Schedule-Cost CAD/BIM ENTERPRISE Actual Cost, Quantity & Production data mining Schedule Planning Production Control 4D Cost Planning Cost Control 5D 2D/3D Design Project Accounting Change Mgmt Quantity Takeoff Cost Estimating Project Scheduling Bid Mgmt Cost Control Production Control Constructability Analysis BIM to Field Integration Visual Prez Biz Dev OperationsPreconstruction
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Concrete Rebar Formwork Cladding; Surface Finish TOIs Takeoff Items $/Qty TOQs Takeoff Quantities $/Qty Resources $/Qty Column ‘Type 1’ Equipment Labor Materials LBS 2/3D Design 5D Cost4D Time Integrated BIM+Estimating+Scheduling Gantt Chart 4D Simulations Procurement Demand Cash Flow Resource Graphs Flowline
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Cost Planning Integrated Workflow
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Estimate Progression - 1
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Estimate Progression - 2
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Estimate Progression - 3
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Estimate Progression - 4
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Estimate Progression - 5
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Thank you!
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