Revit for Small Projects: Is it worth the effort?

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Understand how to implement BIM at the appropriate scale for projects. Evaluate the tools available for a successful small project in BIM. Leverage BIM data to coordinate with the design and construction team. Understand the cost saving potential for small projects

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  • First two about saving YOU moneyLast one about saving the owner money
  • Detail drafting faster with families and keynotes
  • Restroom accessibility code change affected 2 rooms and 8 elevations
  • Restroom accessibility code change affected 2 rooms and 8 elevations
  • OR 1 & 11-Existing space with limited floor to floor height (CHECK dimension)-Existing HVAC that could not be moved – main feeds-Scanned as much as possible in project and surrounding – (COST?)-Scanning company modeled in Revit from point cloud-Engineers modeled down to 2” (?) and was reviewed at design team meetings through Navisworks – down to inches in coordination-Model was passed off to contractor – coordination meetings held, contractor added studs, additional structure, other items not typically included in architectural model (must make this choice for size and complexity of project)-Because of model were able to pre-fab laminar system and lift into place (no room to construct in OR)-6 months ahead of schedule and under budget by $$?
  • OR 1 & 11-Existing space with limited floor to floor height (CHECK dimension)-Existing HVAC that could not be moved – main feeds-Scanned as much as possible in project and surrounding – (COST?)-Scanning company modeled in Revit from point cloud-Engineers modeled down to 2” (?) and was reviewed at design team meetings through Navisworks – down to inches in coordination-Model was passed off to contractor – coordination meetings held, contractor added studs, additional structure, other items not typically included in architectural model (must make this choice for size and complexity of project)-Because of model were able to pre-fab laminar system and lift into place (no room to construct in OR)-6 months ahead of schedule and under budget by $$?
  • OR 1 & 11-Existing space with limited floor to floor height (CHECK dimension)-Existing HVAC that could not be moved – main feeds-Scanned as much as possible in project and surrounding – (COST?)-Scanning company modeled in Revit from point cloud-Engineers modeled down to 2” (?) and was reviewed at design team meetings through Navisworks – down to inches in coordination-Model was passed off to contractor – coordination meetings held, contractor added studs, additional structure, other items not typically included in architectural model (must make this choice for size and complexity of project)-Because of model were able to pre-fab laminar system and lift into place (no room to construct in OR)-6 months ahead of schedule and under budget by $$?
  • OR 1 & 11-Existing space with limited floor to floor height (CHECK dimension)-Existing HVAC that could not be moved – main feeds-Scanned as much as possible in project and surrounding – (COST?)-Scanning company modeled in Revit from point cloud-Engineers modeled down to 2” (?) and was reviewed at design team meetings through Navisworks – down to inches in coordination-Model was passed off to contractor – coordination meetings held, contractor added studs, additional structure, other items not typically included in architectural model (must make this choice for size and complexity of project)-Because of model were able to pre-fab laminar system and lift into place (no room to construct in OR)-6 months ahead of schedule and under budget by $$?
  • OR 1 & 11-Existing space with limited floor to floor height (CHECK dimension)-Existing HVAC that could not be moved – main feeds-Scanned as much as possible in project and surrounding – (COST?)-Scanning company modeled in Revit from point cloud-Engineers modeled down to 2” (?) and was reviewed at design team meetings through Navisworks – down to inches in coordination-Model was passed off to contractor – coordination meetings held, contractor added studs, additional structure, other items not typically included in architectural model (must make this choice for size and complexity of project)-Because of model were able to pre-fab laminar system and lift into place (no room to construct in OR)-6 months ahead of schedule and under budget by $$?
  • Quarter million $ saved on Cath 9
  • Revit for Small Projects: Is it worth the effort?

    1. 1. ? REVIT FOR SMALL PROJECTS Is it worth the effort?
    2. 2. OBJECTIVES 1. Understand how to implement BIM at the appropriate scale for projects 2. Evaluate the tools available for a successful small project in BIM 3. Leverage BIM data to coordinate with the design and construction team 4. Understand the cost saving potential for small projects
    3. 3. WHY? ● Draw Faster! Drawing 1 line is faster than drawing two Detail drafting faster with families and keynotes Don’t commit to full 3D BIM - blend BIM & CAD ● Auto-Pilot! Elevation to plan coordination Automatic drawing set creation Automatic egress and other calcs Free 3D = better communication ● Be Coordinated! For projects with complex overhead - 3D coordination For extreme projects - 3D laser scanning
    4. 4. Draw Faster!
    5. 5. Drawing one line is faster than drawing two
    6. 6. 120 BIM objects 2002 CAD objects
    7. 7. Don’t commit to full 3D BIM Blend BIM & CAD
    8. 8. Auto-Pilot!
    9. 9. Auto drawing coordination
    10. 10. Auto drawing set creation
    11. 11. Automatic egress calculations… …to automatic acoustic calculations
    12. 12. Free 3D
    13. 13. Be Coordinated!
    14. 14. For projects with complex overhead… For complex overhead…
    15. 15. Automatic spatial coordination Structural Plan Where is the coordination error? Mechanical Plan
    16. 16. For extremely complex overhead…
    17. 17. 3D Scan (E) Model (N) Model Construction
    18. 18. 3D Scan (E) Model (N) Model Construction
    19. 19. 3D Scan (E) Model (N) Model Construction
    20. 20. 3D Scan (E) Model (N) Model Construction
    21. 21. CASE STUDIES ● Tiny: SFMH Blood Analyzers ● Small: BLINK Optometry ● Complex: UCSF MPOE ● Extreme: UCSF OR 1 & 11 ● Extreme: UCSF OR7 & 29
    22. 22. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
    23. 23. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
    24. 24. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
    25. 25. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
    26. 26. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
    27. 27. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
    28. 28. Complex Project UC San Francisco MPOE & MDF ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination
    29. 29. Complex Project UC San Francisco MPOE & MDF ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination
    30. 30. Extreme Project UC San Francisco OR 1 & OR 11 ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination ● 3D Laser Scanning
    31. 31. Laser Scanning
    32. 32. Modeling – Revit and Navisworks
    33. 33. Tight Coordination
    34. 34. Extreme Project UC San Francisco OR 7 & OR 29 ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination ● 3D Laser Scanning
    35. 35. Detailed Modeling for Coordination
    36. 36. Regular Design Team Clash Detection Meetings
    37. 37. Planning and Visualization
    38. 38. PROOF The Stanford Cath Lab Experiment ● Cath Lab 7: CAD ● Cath Lab 9: Standard BIM ● Cath Lab 10: Extreme BIM ● Financial Results
    39. 39. Cath Lab 7 All CAD (E) CAD V.I.F. (N) CAD Construction
    40. 40. The delay was caused…by the over-head structural and M/E/P/FP not being coordinated. The majority of the overhead had to be re-designed. DPR Construction
    41. 41. Cath Lab 9 BIM to 2” 3D Scan (E) Model (N) Model Construction
    42. 42. Cath Lab 10 All BIM 3D Scan (E) Model (N) Model Construction
    43. 43. Construction Cost BIM Use % from CAD Cath Lab 7 CAD Baseline Cath Lab 9 2” Standard Cath Lab 10 Everything -15.0% -4.1% *All figures in 2010 Relative Value Change Order Cost BIM Use % of Total Cath Lab 7 CAD Cath Lab 9 2” Standard 8.1% Cath Lab 10 Everything <0.1% *All figures in 2010 Relative Value 12.4%
    44. 44. Construction Schedule BIM Use Construction Days/SF Cath Lab 7 CAD 8.40 mo 0.23 D/SF Cath Lab 9 2” Standard 8.50 mo 0.15 D/SF -34.8% 8.45 mo 0.16 D/SF -30.4% Cath Lab 10 Everything % from CAD All Costs* Survey Cath Lab 7 Cath Lab 9 All Services** Construction $ Margin*** 18.5% Total 18.5% 1.6% 27.3% (15.0%) (48.5%) (35.4%) Cath Lab 10 1.6% 18.5% (4.1%) (54.7%) (34.6%) * All costs normalized to 2010 dollars ** All design professional fees, including non-BIM fees *** Cath lab contribution margin of ~$8,000 per day
    45. 45. CONCLUSION 1. The extent of BIM tools used can vary by the needs of the project 2. Lots of benefits to using BIM ● Draw Faster! ● Auto-Pilot! ● Be Coordinated! 3. Model objects down to 1½” for clash detection laser scanning 4. Reduce cost, change order rate, schedule, and save owners
    46. 46. Room designed by Tiago Dos Reis Rodrigues from The Noun Project Building designed by Antonis Makriyannis from The Noun Project
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