Emily Couric Clinical Cancer Center Brittany Brittany ... · Emily Couric Clinical Cancer Center...

EmilyEmily CouricCouric ClinicalClinicalEmily Emily CouricCouric Clinical Clinical Cancer CenterCancer Center

University of VirginiaUniversity of VirginiaCharlottesville, VACharlottesville, VA

Brittany Brittany MuthMuthConstruction Management Construction Management

GilbaneGilbane Building Co. Building Co.

OutlineOutline

BackgroundBackgroundBackgroundBackgroundSolar PanelsSolar Panels•• Electrical BreadthElectrical BreadthBIM BIM for Façadefor FaçadePrefabricationPrefabrication•• Mechanical BreadthMechanical BreadthConclusionsConclusionsQuestionsQuestions

IntroductionBackgroundSolar Panels• Electrical

Breadth

Building Statistics:Building Statistics:•• 154,000 SF154,000 SF

BIM for FaçadePrefabrication• Mechanical

BreadthConclusionsQuestions

•• 5 floors + penthouse5 floors + penthouse•• $74 million $74 million •• Outpatient diagnostic Outpatient diagnostic

and treatment centerand treatment centerA 2008A 2008 D 2010D 2010•• Apr. 2008 Apr. 2008 –– Dec. 2010Dec. 2010

•• DesignDesign--BidBid--BuildBuild


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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 expansionfloor expansionpp•• Entrance LobbyEntrance Lobby


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Mechanical System:Mechanical System:•• All air, local reheat in All air, local reheat in

Electrical System:Electrical System:•• 23 local 23 local



each roomeach room•• 4 main AHU’s4 main AHU’s•• 288 air terminal units288 air terminal units

transformerstransformers•• 83 panel boards83 panel boards•• 65 different light 65 different light

fixtures,fixtures,fixtures, fixtures, fluorescent fluorescent


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Building Envelope:Building Envelope:•• Brick veneer, stone, and curtain wallBrick veneer, stone, and curtain wall

EPDM i lEPDM i l l f b /l f b /BIM for FaçadePrefabrication• Mechanical


•• EPDM singleEPDM single--ply roof membrane w/ ply roof membrane w/ white acrylic coatingwhite acrylic coating

•• Roof gardenRoof garden


Breadth Possible Limitations:Possible Limitations:

BIM for Façade ConstructionBIM for Façade Construction



•• Learning curveLearning curve•• TechnologyTechnology•• ExperienceExperiencePossible Benefits:Possible Benefits:•• Quicker constructionQuicker construction•• Better coordinationBetter coordination•• Shorter scheduleShorter schedule


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Survey Results:Survey Results:•• Increase Increase


6060

7070

8080



Constructability?Constructability?•• YesYes

•• Structural analysisStructural analysis•• CoordinationCoordination 2020

3030

4040

5050

6060

•• DetailsDetails 00

1010

Strongly Strongly DisagreeDisagree

DisagreeDisagree NeutralNeutral AgreeAgree Strongly Strongly AgreeAgree


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Survey Results:Survey Results:•• Increase Productivity?Increase Productivity?


6060

7070



•• YesYes•• CommunicationCommunication•• Plan executionPlan execution

1010

2020

3030

4040

5050

00

1010




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Survey Results:Survey Results:•• Beneficial for Façade Beneficial for Façade


6060

7070

8080



Analysis/ Analysis/ Coordination?Coordination?

•• YesYes•• Quantifying materialsQuantifying materials 2020

3030

4040

5050

6060

Q y gQ y g•• Understanding water Understanding water

infiltration and infiltration and energy lossenergy loss

00

1010




Breadth

Survey Results:Survey Results:•• Learning curve = Learning curve =


5050

6060



negative affects?negative affects?•• NoNo

•• Find right peopleFind right people1010

2020

3030

4040

00

1010




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Survey Results:Survey Results:•• Reduce cost of façade Reduce cost of façade


5050

6060



construction?construction?•• NeutralNeutral

•• Saves on errorsSaves on errors•• Increase in Increase in 1010

2020

3030

4040

productivityproductivity 00

1010




Breadth Survey Results:Survey Results:




Survey Results:Survey Results:•• Most difficult parts:Most difficult parts:

•• Level of detailsLevel of details•• TrainingTraining

SubcontractorsSubcontractors

•• Most beneficial parts:Most beneficial parts:•• Increase field productivityIncrease field productivity•• Managing costsManaging costs•• CoordinationCoordination•• SubcontractorsSubcontractors •• Coordination Coordination


Breadth Conclusion:Conclusion:




•• Use for mock upsUse for mock ups•• Not for complete modelNot for complete model


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Prefabrication of Brick FacadePrefabrication of Brick Facade

Advantages:Advantages: Disadvantages:Disadvantages:BIM for FaçadePrefabrication• Mechanical


•• Shorter scheduleShorter schedule•• Better qualityBetter quality•• Possibly cheaperPossibly cheaper•• constructabilityconstructability

•• Possibly more expensivePossibly more expensive•• StorageStorage

yy


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Brick Facade:Brick Facade:BIM for FaçadePrefabrication• Mechanical


•• Area = 33,472 SFArea = 33,472 SF•• Schedule = 244 daysSchedule = 244 days•• Original cost = $1.8 Original cost = $1.8

millionmillion


Breadth Materials:Materials:BIM for FaçadePrefabrication• Mechanical


•• 8” CMU Backup8” CMU Backup•• 2” Insulation2” Insulation•• Mortar NetMortar Net•• WeepsWeepspp•• Brick VeneerBrick Veneer


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Materials Excluded with Materials Excluded with Prefab:Prefab:



•• Mortar NetMortar Net•• WeepsWeeps•• Air CavityAir Cavity•• Steel PlatesSteel Plates•• CMU BackupCMU Backup


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Thin Brick Prefab System:Thin Brick Prefab System:•• Cold formed structural stud: Cold formed structural stud:

6" 16 6" 16 ga.ga. 11--5/8" @ 16" 5/8" @ 16" o.co.c..•• 5/85/8"" sheathingsheathingBIM for Façade

Prefabrication• Mechanical


•• 5/85/8 sheathingsheathing•• WP membraneWP membrane•• ZZ•• 5/85/8" " sheathingsheathing•• LathLathLathLath•• Scratch coatScratch coat•• LaticreteLaticrete•• Thin Thin brickbrick


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New Advantages:New Advantages:Sh t h d lSh t h d l

New Disadvantages:New Disadvantages:BIM for FaçadePrefabrication• Mechanical


•• Shorter scheduleShorter schedule•• Better qualityBetter quality•• No air cavity, no leaksNo air cavity, no leaks•• ConstructabilityConstructability

•• More expensiveMore expensive


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Panel Calculations:Panel Calculations:’ ’’ ’ SS30’ 7’BIM for Façade



•• Panel Area = 30’ x 7’Panel Area = 30’ x 7’ = 210 SF= 210 SF

•• # of panels = 33,472 SF / 210 SF= # of panels = 33,472 SF / 210 SF= 159 panels159 panels

30 7

•• Days = 159 panels / 8 panels per Days = 159 panels / 8 panels per day = 20 daysday = 20 days


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Comparison:Comparison:BIM for FaçadePrefabrication• Mechanical


•• 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


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Conclusion:Conclusion:•• Too expensiveToo expensiveBIM for Façade



•• Too expensiveToo expensive•• Not a fast track scheduleNot a fast track schedule


Breadth

Mechanical BreadthMechanical Breadth

Original Wall Properties:Original Wall Properties:•• RR value = 10 63value = 10 63

Prefab Wall Properties:Prefab Wall Properties:•• RR value = 13 28value = 13 28BIM for Façade



•• RR--value = 10.63value = 10.63•• UU--value = 0.094value = 0.094•• Thickness = 16”Thickness = 16”

•• RR--value = 13.28value = 13.28•• UU--value = 0.075value = 0.075•• Thickness = 11”Thickness = 11”


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Mechanical BreadthMechanical BreadthHeat Loss:Heat Loss:•• Original DesignOriginal Design



Original DesignOriginal Design•• 176,384 BTU/HR176,384 BTU/HR

•• Prefab DesignPrefab Design•• 141,145 141,145 BTU/HRBTU/HR•• 19 9% better19 9% better•• 19.9% better19.9% better


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Mechanical BreadthMechanical Breadth

Conclusion:Conclusion:•• Prefab has betterPrefab has betterBIM for Façade



•• Prefab has better Prefab has better mechanical propertiesmechanical properties

•• Still too expensiveStill too expensive


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ConclusionsConclusions

•• Solar panels not economicalSolar panels not economicalBIM for FaçadePrefabrication• Mechanical


pp•• BIM should have been used BIM should have been used

for mockupsfor mockups•• Prefab definitely shortens the Prefab definitely shortens the

schedule and adds qualityschedule and adds qualityschedule and adds quality, schedule and adds quality, but too expensivebut too expensive


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AcknowledmentsAcknowledmentsUniversity of University of Virginia:Virginia:•• Fred DunnFred Dunn•• Jeff MooreJeff Moore•• Dee Dee EadieEadie

GilbGilb B ildi CB ildi C

Clark Clark NexsonNexson•• Jonathan Jonathan WalkerWalker



GilbaneGilbane Building CompanyBuilding Company•• Mike Mike PoulinPoulin, Project Executive, Project Executive

ISEC, Inc.:ISEC, Inc.:•• Matt Matt HeistandHeistand•• Paul Paul HarschHarsch

Davis Davis ConstructionConstruction

Balfour Balfour BeattyBeatty

Jacobs Jacobs EngineeringEngineering

UnitedUnited States Army CorpsStates Army Corps EngineersEngineers•• Jim Jim McAllisterMcAllister

Eastern Exterior Wall Systems Inc.:Eastern Exterior Wall Systems Inc.:•• Wayne MartinWayne Martin

United United States Army Corps States Army Corps EngineersEngineers

The The Pennsylvania State University:Pennsylvania State University:•• FacultyFaculty

Questions?Questions?

Emily Couric Clinical Cancer Center Brittany Brittany ... · Emily Couric Clinical Cancer Center...

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