Emily Emily Emily Couric Emily Couric Couric Clinical Couric Clinical Clinical Clinical Brittany Muth Brittany Muth Cancer Center Cancer Center Construction Management Construction Management University of Virginia University of Virginia Charlottesville, VA Charlottesville, VA Gilbane Gilbane Building Co. Building Co.
Outline Outline Background Background Background Background Solar Panels Solar Panels • Electrical Breadth Electrical Breadth BIM BIM for Façade for Façade Prefabrication Prefabrication • Mechanical Breadth Mechanical Breadth Conclusions Conclusions Questions Questions
Introduction Background Building Statistics: Building Statistics: Solar Panels • Electrical • 154,000 SF 154,000 SF Breadth • 5 floors + penthouse 5 floors + penthouse BIM for Façade Prefabrication • $74 million $74 million • Mechanical • Outpatient diagnostic Outpatient diagnostic Breadth Conclusions and treatment center and treatment center Questions • A A Apr. 2008 – Dec. 2010 Apr. 2008 2008 2008 Dec. 2010 D D 2010 2010 • Design Design- -Bid Bid- -Build Build
Introduction Background Architecture: Architecture: Solar Panels • Electrical • Consolidate existing services into Consolidate existing services into Breadth BIM for Façade one building one building Prefabrication • Offices, exam rooms, linear Offices, exam rooms, linear • Mechanical Breadth accelerators, radiation/oncology accelerators, radiation/oncology Conclusions th floor expansion Questions 4 th • 4 floor expansion p • Entrance Lobby Entrance Lobby
Introduction Background Mechanical System: Mechanical System: Electrical System: Electrical System: Solar Panels • Electrical • All air, local reheat in All air, local reheat in • 23 local 23 local Breadth BIM for Façade each room each room transformers transformers Prefabrication • 4 main AHU’s 4 main AHU’s • 83 panel boards 83 panel boards • Mechanical Breadth • 288 air terminal units 288 air terminal units • 65 different light 65 different light Conclusions Questions fixtures, fixtures, fixtures, fixtures, fluorescent fluorescent
Introduction Background Building Envelope: Building Envelope: Solar Panels • Electrical • Brick veneer, stone, and curtain wall Brick veneer, stone, and curtain wall Breadth • EPDM single- EPDM i EPDM i EPDM single l l -ply roof membrane w/ ply roof membrane w/ l l f f b b / / BIM for Façade Prefabrication white acrylic coating white acrylic coating • Mechanical • Roof garden Roof garden Breadth Conclusions Questions
Introduction BIM for Façade Construction BIM for Façade Construction Background Solar Panels • Electrical Possible Limitations: Possible Limitations: Breadth • Learning curve Learning curve BIM for Façade Prefabrication • Technology Technology • Mechanical Breadth • Experience Experience Conclusions Questions Possible Benefits: Possible Benefits: • Quicker construction Quicker construction • Better coordination Better coordination • Shorter schedule Shorter schedule
Introduction BIM for Façade Construction BIM for Façade Construction Background Survey Results: Survey Results: 80 80 Solar Panels • Electrical 70 70 • Increase Increase Breadth 60 60 60 60 BIM for Façade Constructability? Constructability? 50 50 Prefabrication • Yes Yes • Mechanical 40 40 Breadth • Structural analysis Structural analysis 30 30 Conclusions 20 20 Questions • Coordination Coordination 10 10 • Details Details 0 Strongly Strongly Disagree Disagree Neutral Neutral Agree Agree Strongly Strongly Disagree Disagree Agree Agree
Introduction BIM for Façade Construction BIM for Façade Construction Background Survey Results: Survey Results: 70 70 Solar Panels • Electrical 60 60 • Increase Productivity? Increase Productivity? Breadth 50 50 BIM for Façade • Yes Yes Prefabrication 40 40 • Communication Communication • Mechanical Breadth 30 30 • Plan execution Plan execution Conclusions 20 20 Questions 10 10 10 10 0 Strongly Strongly Disagree Disagree Neutral Neutral Agree Agree Strongly Strongly Disagree Disagree Agree Agree
Introduction BIM for Façade Construction BIM for Façade Construction Background Survey Results: Survey Results: Solar Panels 80 80 • Electrical 70 70 • Beneficial for Façade Beneficial for Façade Breadth 60 60 60 60 BIM for Façade Analysis/ Analysis/ 50 50 Prefabrication Coordination? Coordination? • Mechanical 40 40 Breadth • Yes Yes 30 30 Conclusions 20 20 Questions • Quantifying materials Quantifying materials Q Q y g y g 10 10 • Understanding water Understanding water 0 infiltration and infiltration and Strongly Strongly Disagree Disagree Neutral Neutral Agree Agree Strongly Strongly Disagree Disagree Agree Agree energy loss energy loss
Introduction BIM for Façade Construction BIM for Façade Construction Background Survey Results: Survey Results: Solar Panels 60 60 • Electrical • Learning curve = Learning curve = 50 50 Breadth BIM for Façade negative affects? negative affects? 40 40 Prefabrication • No No • Mechanical 30 30 Breadth • Find right people Find right people Conclusions 20 20 Questions 10 10 10 10 0 Strongly Strongly Disagree Disagree Neutral Neutral Agree Agree Strongly Strongly Disagree Disagree Agree Agree
Introduction BIM for Façade Construction BIM for Façade Construction Background Survey Results: Survey Results: 60 60 Solar Panels • Electrical • Reduce cost of façade Reduce cost of façade 50 50 Breadth BIM for Façade construction? construction? 40 40 Prefabrication • Neutral Neutral • Mechanical 30 30 Breadth • Saves on errors Saves on errors Conclusions 20 20 Questions • Increase in Increase in 10 10 10 10 productivity productivity 0 Strongly Strongly Disagree Disagree Neutral Neutral Agree Agree Strongly Strongly Disagree Disagree Agree Agree
Introduction BIM for Façade Construction BIM for Façade Construction Background Solar Panels • Electrical Breadth Survey Results: Survey Results: Survey Results: Survey Results: BIM for Façade • Most beneficial parts: Most beneficial parts: • Most difficult parts: Most difficult parts: Prefabrication • Mechanical • Increase field productivity Increase field productivity • Level of details Level of details Breadth Conclusions • Managing costs Managing costs • Training Training Questions • Coordination • Coordination Coordination Coordination • Subcontractors Subcontractors Subcontractors Subcontractors
Introduction BIM for Façade Construction BIM for Façade Construction Background Solar Panels • Electrical Conclusion: Conclusion: Breadth BIM for Façade • Use for mock ups Use for mock ups Prefabrication • Mechanical • Not for complete model Not for complete model Breadth Conclusions Questions
Introduction Prefabrication of Brick Facade Prefabrication of Brick Facade Background Solar Panels • Electrical Advantages: Advantages: Disadvantages: Disadvantages: Breadth • Shorter schedule Shorter schedule BIM for Façade • Possibly more expensive Possibly more expensive Prefabrication • Better quality Better quality • Storage Storage • Mechanical Breadth • Possibly cheaper Possibly cheaper Conclusions • constructability constructability y Questions
Introduction Prefabrication of Brick Facade Prefabrication of Brick Facade Background Solar Panels • Electrical Brick Facade: Brick Facade: Breadth • Area = 33,472 SF Area = 33,472 SF BIM for Façade Prefabrication • Schedule = 244 days Schedule = 244 days • Mechanical Breadth • Original cost = $1.8 Original cost = $1.8 Conclusions million million Questions
Introduction Background Solar Panels • Electrical Materials: Materials: Breadth • 8” CMU Backup 8” CMU Backup BIM for Façade Prefabrication • 2” Insulation 2” Insulation • Mechanical Breadth • Mortar Net Mortar Net Conclusions • Weeps Weeps p Questions • Brick Veneer Brick Veneer
Introduction Background Materials Excluded with Materials Excluded with Solar Panels • Electrical Prefab: Prefab: Breadth • Mortar Net Mortar Net BIM for Façade Prefabrication • Weeps Weeps • Mechanical Breadth • Air Cavity Air Cavity Conclusions • Steel Plates Steel Plates Questions • CMU Backup CMU Backup
Thin Brick Prefab System: Thin Brick Prefab System: Introduction Background • Cold formed structural stud: Cold formed structural stud: Solar Panels 6" 16 6" 16 ga. ga. 1 1- -5/8" @ 16" 5/8" @ 16" o.c o.c. . • Electrical Breadth • • 5/8" sheathing 5/8 5/8 5/8 sheathing sheathing sheathing BIM for Façade • WP membrane WP membrane Prefabrication • Mechanical • Z Z Breadth • 5/8 5/8" " sheathing sheathing Conclusions Questions • Lath Lath Lath Lath • Scratch coat Scratch coat • Laticrete Laticrete • Thin Thin brick brick
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