Revit for Small Projects: Is it worth the effort?
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This document discusses the benefits of using BIM (Building Information Modeling) on small projects. It outlines that BIM can help draw faster with families and keynotes, provide automatic coordination through elevation to plan coordination and drawing set creation. BIM also enables better coordination for projects with complex mechanical, electrical, and plumbing systems through 3D modeling. Case studies demonstrate that even on tiny projects, BIM allowed drawing lines faster and using detail components. Larger projects saw benefits of automatic calculations, 3D coordination to prevent errors, and laser scanning for complex renovations. A study of three medical procedure rooms found that increasing BIM use reduced construction costs by up to 15%, change order costs by over 90%, and construction time by
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Revit for Small Projects: Is it worth the effort?
- 1. ? REVIT FOR SMALL PROJECTS Is it worth the effort?
- 3. 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
- 4. 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
- 5. Draw Faster!
- 6. Drawing one line is faster than drawing two
- 8. Don’t commit to full 3D BIM Blend BIM & CAD
- 9. Auto-Pilot!
- 12. Automatic egress calculations… …to automatic acoustic calculations
- 13. Free 3D
- 14. Be Coordinated!
- 15. For projects with complex overhead… For complex overhead…
- 16. Automatic spatial coordination Structural Plan Where is the coordination error? Mechanical Plan
- 20. 3D Scan (E) Model (N) Model Construction
- 21. 3D Scan (E) Model (N) Model Construction
- 22. 3D Scan (E) Model (N) Model Construction
- 23. 3D Scan (E) Model (N) Model Construction
- 24. CASE STUDIES ● Tiny: SFMH Blood Analyzers ● Small: BLINK Optometry ● Complex: UCSF MPOE ● Extreme: UCSF OR 1 & 11 ● Extreme: UCSF OR7 & 29
- 25. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
- 26. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
- 27. Tiny Project St Francis Memorial Hospital Blood Analyzers ● Drawing 1 line faster ● Detail components ● BIM + CAD ● Auto Drawing Coord.
- 28. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
- 29. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
- 30. Small Project Blink Optometry ● Drawing 1 line faster ● Detail components ● 2D & 3D BIM ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D
- 31. Complex Project UC San Francisco MPOE & MDF ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination
- 32. Complex Project UC San Francisco MPOE & MDF ● Drawing 1 line faster ● Detail components ● Auto Drawing Coord. ● Auto Egress Calcs ● Free 3D ● 3D Coordination
- 33. 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
- 34. Laser Scanning
- 35. Modeling – Revit and Navisworks
- 37. 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
- 38. Detailed Modeling for Coordination
- 39. Regular Design Team Clash Detection Meetings
- 41. PROOF The Stanford Cath Lab Experiment ● Cath Lab 7: CAD ● Cath Lab 9: Standard BIM ● Cath Lab 10: Extreme BIM ● Financial Results
- 42. Cath Lab 7 All CAD (E) CAD V.I.F. (N) CAD Construction
- 43. 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
- 44. Cath Lab 9 BIM to 2” 3D Scan (E) Model (N) Model Construction
- 45. Cath Lab 10 All BIM 3D Scan (E) Model (N) Model Construction
- 46. 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%
- 47. 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
- 48. 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
- 49. Room designed by Tiago Dos Reis Rodrigues from The Noun Project Building designed by Antonis Makriyannis from The Noun Project
Notas del editor
- 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