Asparouhov, Tihomir and Muth´en & Muth´en., (2008) - Exploratory Structural Equation Modeling
Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co....
-
Upload
claud-stone -
Category
Documents
-
view
213 -
download
0
Transcript of Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co....
![Page 1: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/1.jpg)
Emily Couric Clinical Emily Couric Clinical Cancer CenterCancer Center
University of VirginiaUniversity of VirginiaCharlottesville, VACharlottesville, VA
Gilbane Building Co. Gilbane Building Co.
Brittany MuthBrittany MuthConstruction Management Construction Management
![Page 2: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/2.jpg)
OutlineOutline
BackgroundBackgroundSolar PanelsSolar Panels•Electrical BreadthElectrical BreadthBIM for FaçadeBIM for FaçadePrefabricationPrefabrication•Mechanical BreadthMechanical BreadthConclusionsConclusionsQuestionsQuestions
![Page 3: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/3.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Building Statistics:Building Statistics:•154,000 SF154,000 SF•5 floors + penthouse5 floors + penthouse•$74 million $74 million •Outpatient diagnostic Outpatient diagnostic and treatment centerand treatment center•Apr. 2008 – Dec. 2010Apr. 2008 – Dec. 2010•Design-Bid-BuildDesign-Bid-Build
![Page 4: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/4.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Architecture:Architecture:•Consolidate existing services into Consolidate existing services into one buildingone building•Offices, exam rooms, linear Offices, exam rooms, linear accelerators, radiation/oncologyaccelerators, radiation/oncology•44thth floor expansion floor expansion•Entrance LobbyEntrance Lobby
![Page 5: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/5.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Mechanical System:Mechanical System:•All air, local reheat in All air, local reheat in each roomeach room•4 main AHU’s4 main AHU’s•288 air terminal units288 air terminal units
Electrical System:Electrical System:•23 local 23 local transformerstransformers•83 panel boards83 panel boards•65 different light 65 different light fixtures, fixtures, fluorescent fluorescent
![Page 6: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/6.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Building Envelope:Building Envelope:•Brick veneer, stone, and curtain wallBrick veneer, stone, and curtain wall•EPDM single-ply roof membrane w/ white EPDM single-ply roof membrane w/ white acrylic coatingacrylic coating•Roof gardenRoof garden
![Page 7: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/7.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Possible Limitations:Possible Limitations:•Learning curveLearning curve•TechnologyTechnology•ExperienceExperiencePossible Benefits:Possible Benefits:•Quicker constructionQuicker construction•Better coordinationBetter coordination•Shorter scheduleShorter schedule
BIM for Façade ConstructionBIM for Façade Construction
![Page 8: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/8.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Increase Increase Constructability?Constructability?•YesYes
• Structural analysisStructural analysis• CoordinationCoordination• DetailsDetails
BIM for Façade ConstructionBIM for Façade Construction
![Page 9: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/9.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Increase Productivity?Increase Productivity?•YesYes
• CommunicationCommunication• Plan executionPlan execution
BIM for Façade ConstructionBIM for Façade Construction
![Page 10: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/10.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Beneficial for Façade Beneficial for Façade Analysis/ Coordination?Analysis/ Coordination?•YesYes
• Quantifying materialsQuantifying materials• Understanding water Understanding water
infiltration and infiltration and energy lossenergy loss
BIM for Façade ConstructionBIM for Façade Construction
![Page 11: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/11.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Learning curve = Learning curve = negative affects?negative affects?•NoNo
• Find right peopleFind right people
BIM for Façade ConstructionBIM for Façade Construction
![Page 12: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/12.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Reduce cost of façade Reduce cost of façade construction?construction?•NeutralNeutral
• Saves on errorsSaves on errors• Increase in Increase in
productivityproductivity
BIM for Façade ConstructionBIM for Façade Construction
![Page 13: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/13.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Survey Results:Survey Results:•Most difficult parts:Most difficult parts:
• Level of detailsLevel of details• TrainingTraining• SubcontractorsSubcontractors
BIM for Façade ConstructionBIM for Façade Construction
• Most beneficial parts:Most beneficial parts:• Increase field productivityIncrease field productivity• Managing costsManaging costs• Coordination Coordination
![Page 14: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/14.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Conclusion:Conclusion:•Use for mock upsUse for mock ups•Not for complete modelNot for complete model
BIM for Façade ConstructionBIM for Façade Construction
![Page 15: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/15.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
Advantages:Advantages:•Shorter scheduleShorter schedule•Better qualityBetter quality•Possibly cheaperPossibly cheaper•constructabilityconstructability
Disadvantages:Disadvantages:•Possibly more expensivePossibly more expensive•StorageStorage
![Page 16: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/16.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
Brick Facade:Brick Facade:•Area = 33,472 SFArea = 33,472 SF•Schedule = 244 daysSchedule = 244 days•Original cost = $1.8 millionOriginal cost = $1.8 million
![Page 17: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/17.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Materials:Materials:•8” CMU Backup8” CMU Backup•2” Insulation2” Insulation•Mortar NetMortar Net•WeepsWeeps•Brick VeneerBrick Veneer
![Page 18: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/18.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Materials Excluded with Materials Excluded with Prefab:Prefab:•Mortar NetMortar Net•WeepsWeeps•Air CavityAir Cavity•Steel PlatesSteel Plates•CMU BackupCMU Backup
![Page 19: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/19.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Thin Brick Prefab System:Thin Brick Prefab System:•Cold formed structural stud: 6" Cold formed structural stud: 6" 16 ga. 1-5/8" @ 16" o.c.16 ga. 1-5/8" @ 16" o.c.•5/8" sheathing5/8" sheathing•WP membraneWP membrane•ZZ•5/8" sheathing5/8" sheathing•LathLath•Scratch coatScratch coat•LaticreteLaticrete•Thin brickThin brick
![Page 20: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/20.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
New Advantages:New Advantages:•Shorter scheduleShorter schedule•Better qualityBetter quality•No air cavity, no leaksNo air cavity, no leaks•ConstructabilityConstructability
New Disadvantages:New Disadvantages:•More expensiveMore expensive
![Page 21: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/21.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
Panel Calculations:Panel Calculations:•Panel Area = 30’ x 7’ = 210 SFPanel Area = 30’ x 7’ = 210 SF
•# of panels = 33,472 SF / 210 SF= # of panels = 33,472 SF / 210 SF= 159 panels159 panels
•Days = 159 panels / 8 panels per day Days = 159 panels / 8 panels per day = 20 days= 20 days
30’ 7’
![Page 22: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/22.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
Comparison:Comparison:•Original:Original:
• Cost = $1.8 millionCost = $1.8 million• Schedule = 244 daysSchedule = 244 days
•Prefabricated:Prefabricated:• Cost = $3.2 millionCost = $3.2 million• Schedule = 178 daysSchedule = 178 days
![Page 23: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/23.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Prefabrication of Brick FacadePrefabrication of Brick Facade
Conclusion:Conclusion:•Too expensiveToo expensive•Not a fast track scheduleNot a fast track schedule
![Page 24: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/24.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Mechanical BreadthMechanical Breadth
Original Wall Properties:Original Wall Properties:•R-value = 10.63R-value = 10.63•U-value = 0.094U-value = 0.094•Thickness = 16”Thickness = 16”
Prefab Wall Properties:Prefab Wall Properties:•R-value = 13.28R-value = 13.28•U-value = 0.075U-value = 0.075•Thickness = 11”Thickness = 11”
![Page 25: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/25.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Mechanical BreadthMechanical Breadth
Heat Loss:Heat Loss:•Original DesignOriginal Design
• 176,384 BTU/HR176,384 BTU/HR•Prefab DesignPrefab Design
• 141,145 BTU/HR141,145 BTU/HR• 19.9% better19.9% better
![Page 26: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/26.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
Mechanical BreadthMechanical Breadth
Conclusion:Conclusion:•Prefab has better Prefab has better mechanical propertiesmechanical properties•Still too expensiveStill too expensive
![Page 27: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/27.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
ConclusionsConclusions
• Solar panels not economicalSolar panels not economical• BIM should have been used BIM should have been used
for mockupsfor mockups• Prefab definitely shortens the Prefab definitely shortens the
schedule and adds quality , schedule and adds quality , but too expensivebut too expensive
![Page 28: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/28.jpg)
IntroductionBackgroundSolar Panels•Electrical BreadthBIM for FaçadePrefabrication•Mechanical BreadthConclusionsQuestions
AcknowledmentsAcknowledmentsUniversity of Virginia:University of Virginia:•Fred DunnFred Dunn•Jeff MooreJeff Moore•Dee EadieDee Eadie
Gilbane Building CompanyGilbane Building Company•Mike Poulin, Project ExecutiveMike Poulin, Project Executive
ISEC, Inc.:ISEC, Inc.:•Matt HeistandMatt Heistand•Paul HarschPaul Harsch•Jim McAllisterJim McAllister Eastern Exterior Wall Systems Inc.:Eastern Exterior Wall Systems Inc.:•Wayne MartinWayne Martin
Clark NexsonClark Nexson•Jonathan WalkerJonathan Walker
Davis ConstructionDavis Construction
Balfour BeattyBalfour Beatty
Jacobs EngineeringJacobs Engineering
United States Army Corps EngineersUnited States Army Corps Engineers The Pennsylvania State University:The Pennsylvania State University:•FacultyFaculty
![Page 29: Emily Couric Clinical Cancer Center University of Virginia Charlottesville, VA Gilbane Building Co. Brittany Muth Construction Management.](https://reader036.fdocuments.us/reader036/viewer/2022062716/56649dbb5503460f94aad481/html5/thumbnails/29.jpg)
Questions?Questions?