BIM for Contractor: beyond 3D ¢â‚¬¢ Integrated 4D/5D BIM ¢â‚¬â€œ Location Based Scheduling & Model Based Estimating

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  • BIM for Contractor: beyond 3D

    Alexander Kolpakov Director, BIM department PE, LEED AP, PMP

  • Agenda

    • Introduction

    • 3D model and coordination

    • BIM to field

    • Integrated 4D/5D BIM – Location Based Scheduling & Model Based Estimating

  • Salimus Consultancy JLT

    • Established in 2010

    • Based in Dubai

    • Services:

    - Sustainability certification (LEED, Estidama, BREAM)

    - Commissioning

    - Energy modeling

    - Building Information Modelling

  • 3D model

    - Clash detection and coordination

    - Shop drawings production

    - Fabrication

    - Digital Layout

  • Clash detection and coordination

  • Shop Drawings

  • Fabrication Revit Fabrication CAD MEP

  • Fabrication

  • Digital Layout

  • Integrated Workflow for Model based Estimating and Planning

  • Model based Estimating and Planning Workflow

    3D model Model based

    Quantities

    Quantity based Construction

    Schedule

    3D 5D 4D

  • Model Based Quantities

  • Concrete

    Rebar

    Formwork

    Cladding; Surface Finish

    TOIs Takeoff Items

    $/Qty

    TOQs Takeoff Quantities

    $/Qty

    Resources $/Qty

    Column ‘Type 1’

    Equipment

    Labor

    Materials

    2/3D Design 5D Cost 4D Time

    Integrated Process Overview

    Gantt Chart 4D Simulations

    Procurement Demand

    Cash Flow

    Resource Graphs

    Flowline

  • 5D BIM

  • Location Based Quantities

  • Level 3

    Level 1

    Level 2

    Location 800 m2

    1000 m2

    1000 m2 Location

    Location

    8 days

    10 days

    10 days

    4D BIM Location Based Schedule

  • 4D BIM Flowline diagram vs Gantt Chart

  • Flowline diagram

  • Model based Estimating and Planning Workflow

    3D model Model based

    Quantities

    Quantity based Construction

    Schedule

    3D 5D 4D

  • Benefits of 4D & 5D BIM

     Design variations are estimated within minutes

     Faster and more effective processes

     10% schedule compression

     Increased cost control

     Realistic Construction Schedules

     Sub-contractors buy in

     Avoidance of Schedule conflicts

  • Thank you!