16id02 schematic healthcare building charratte - …€¦ · grid steel beam glulam beam ......
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SchematicHealthcareBuildingCharrette:
Re-ThinkingAssumptionsandChallengingTraditions
TerryPattillo,AIAMid-AtlanticRegionalDirector919.995.6672
“TheWoodProductsCouncil”isaRegisteredProviderwithTheAmericanInstituteofArchitectsContinuingEducationSystems(AIA/CES),Provider#G516.
Credit(s)earnedoncompletionofthiscoursewillbereportedtoAIACESforAIAmembers.CertificatesofCompletionforbothAIAmembersandnon-AIAmembersareavailableuponrequest.
ThiscourseisregisteredwithAIACESforcontinuingprofessionaleducation.Assuch,itdoesnotincludecontentthatmaybedeemedorconstruedtobeanapprovalorendorsementbytheAIAofanymaterialofconstructionoranymethodormannerofhandling,using,distributing,ordealinginanymaterialorproduct.________________________________Questionsrelatedtospecificmaterials,methods,andserviceswillbeaddressedattheconclusionofthispresentation.
CourseDescription
Whenstartinganewbuildingplanninganddesignprocess,engineersandarchitectsoftenmakeassumptionsandimmediatedecisionsaboutwhatmaterialsandlayoutswillbeused.However,theseimmediatedecisionsareoftenbasedonpreviousprojectexperience,comfortlevelwithcertainmaterials,andcurrentunderstandingofcodeprovisions.
Thissessionwillprovideaninteractivemethodofdiscussingandchallengingtraditionalconstructionmaterialsandtechniquesusedforhealthcarebuildingswhilefocusingonwhatdesignersmaybetakingforgrantedorassumingtobetrue.Theaudiencewillinteractivelydiscussschematicdecisionmakingprocessesassociatedwithhealthcarebuildingsbuttheprinciplesalsoapplytoavarietyofbuildingandoccupancytypes.Designassumptionsanddecidingfactorsforitemssuchasconstructiontypesandmaterials,fireandacousticalperformance,andcostwillbereviewed.
LearningObjectives
1. ReviewbuildingplanningrequirementsandprovisionsoftheInternationalBuildingCodeasitrelatestohealthcarefacilities.
2. Discusswall,floor,androofframingoptionsforhealthcarefacilityareasandconsiderhowfireresistance,acoustics,thermalrequirements,MEP,andcostimpactassemblyselection.
3. Determineopportunitiesforuseofwoodframinginlargearea,exposedapplicationssuchasinrehabilitationareasandentrancelobbies.
4. Highlightsolutionstoperceivedhurdlesassociatedwiththeuseofwoodframinginnon-residentialandmulti-familystructures.
NewHorizonsElderCareProgramGENERAL NEEDSReception AreaRestroomsFamily Consultation/ Conference Room (3) 500 sfAdministration Offices (6) 300 sfFacilities Management Manager 250 sfWorkstations (6) 150 sfFile/ Records 500 sfAmbulance Receiving Area (2 minimum)Kitchen 5000 sf (min)Prep Area 1200 sfDry/ Wet Storage 900 sf (each)RefrigerationFreezersDishwashing 1500 sfCan Wash 50 sf
RESIDENTS NEEDSResidence Rooms (100 double occupancy) 900 sfResidence Rooms (20 single occupancy) 600 sfNurses Station 50 sf/ nurseOne nurse/ five roomsRecord AreaMedicationsControlled Medications 100 sf/ 20 roomsSupervised Bathing Room (1/ 6 rooms)Group Activity Area (small – 6) 1200 sfGroup Activity Area (large – 2) 1600 sf
REHABILITATION CENTER NEEDSExercises Area 5000 sfEquipment Stations 1200 sfTrainer Offices (4) 250 sfEquipment Storage 600 sfRestrooms
HeightsandAreas– IBCTable503
Whataretheprimaryconcernsthatdriveinitialassumptions?
• FormorFunction• Floorplanandlayout• Optimizingsolaranglesandnaturalventilation
WhatDrivesInitialDecisions?
Inadditiontoadesignconcept,howareyougoingtomeetabudget;whatarethekeyfactorstomaintainingthisobjective?• Optimizingupfrontcost.• LowbuildingmaintenanceandLifeCycleAnalysis.• Reduceconstructioncoststhroughsmartmaterial
selection.• Reduceconstructioncostsbyshorteningthe
constructionscheduleandminimizingtrades.
Budget’sEffectonDesignDecisions
LearningObjectives
1. ReviewbuildingplanningrequirementsandprovisionsoftheInternationalBuildingCodeasitrelatestohealthcarefacilities.
2. Discusswall,floor,androofframingoptionsforhealthcarefacilityareasandconsiderhowfireresistance,acoustics,thermalrequirements,MEP,andcostimpactassemblyselection.
3. Determineopportunitiesforuseofwoodframinginlargearea,exposedapplicationssuchasinrehabilitationareasandentrancelobbies.
4. Highlightsolutionstoperceivedhurdlesassociatedwiththeuseofwoodframinginnon-residentialandmulti-familystructures.
ExampleSimpleFloorFramingPattern
Typical Double
OccupancyRoom
Typical Corridor
GirderOptionsGridDim
.
GridDim.
ApproximateMemberSizes– FloorFramingGirders
Grid SteelBeam GlulamBeam
25’x25’ W21x48 8-3/4”x25-1/2”
30’x30’ W24x84 10-3/4”x30”
32’x32’ W30x90 10-3/4”x34-1/2”
Assumptions: LL=50psf,DL=30psf (Wood), DL=70psf (Steel)
In-FillFramingOptions
GridDim
.
GridDim.
ApproximateMemberSizes– FloorFramingJoists
Grid SteelJoists WoodTrusses/I-Joists
25’x25’ 18K5@3’ 18”-24”@16”
30’x30’ 24K5@3’ 24”-30”@ 16”
32’x32’ 26K5 @3’ 24”-34”@16”
Assumptions: LL=50psf,DL=30psf (Wood), DL=70psf (Steel)
WoodFrameBearingWallsGridDim
.
GridDim. WoodBearingWall
WoodFrameBearingWallsGridDim
.
GridDim. WoodBearingWall
Typical Double
OccupancyRoom
Typical Corridor
AlternateGridOptions
AlternateGridOptions
Typical Double
OccupancyRoom
Typical Corridor
GridDim
.
GridDim.
GridDim
.GridDim
.
GridDim
.
GridDim.
GridDim
.GridDim
.
FloorAssemblyPerformance
AssemblyPerformanceStructural
FireResistance
OccupantComfort
Durability
MEP,Data,Comm.
Canwoodframingbecosteffectivelyusedincommonhealthcaregriddimensions?
TypicalFloor&RoofSpans
Whatarethecommondimensions?• ResidentRooms(doubleoccupancy):800sf- 1000sf,26ft – 32ft spans• Corridors:8ft – 20ft wide
ExampleMulti-FamilyFloor&RoofSpans
1BRUnit:23’-6”x26’-6” Corridor:5’-0”Wide
ExampleSchoolFloor&RoofSpans
Classrooms:25’-6”x36’-0”Corridor:18’-0”Wide
Wecanseethatthespansandlayoutsconducivetoschoolsalsoworkwellforotheroccupancies:
TypicalCommercialFloor&RoofSpans
• Offices:• 20ft – 35ft spans
• Multi-Family:• 600sf – 1200sf (1-
2BR)• 22ft – 30ft spans
CommonLoadings:• Classroom&ResidentialFloorLiveLoad:40psf• CorridorFloorLiveLoad:80/100psf• CommonWoodFrameFloorDeadLoad:25-35psf26ft – 32ft spans:20”– 30”DeepI-JoistsorParallelChordTrusses@16”o.c.
AssemblyPerformance:Structural
AssemblyPerformance:OccupantComfort
Vibration&DeflectionControl
We’veseenthathealthcare,schools,officesandmulti-familyfloorspansinthe25’-35’rangeworkwellfromalayoutperspective.Floordesignofwoodmembersinthisspanrangeareoftengovernedbyvibrationand/ordeflectioncontrol,notstructuralcapacity.
LiveLoadDeflectionChart,Courtesy:Redbuilt
AssemblyPerformance:OccupantComfort
Toolsavailabletodesigners
JoistManufacturer’sRatingSystems
VibrationAnalysis:FPInnovations(Spreadsheetavailableuponrequest)
ExampleCorridorFloorFraming
ApproximateMaxCorridorWidthforSolidSawnFloor FramingOptions
@16” @24”
2x6 6’-2” 5’-0”
2x8 7’-10” 6’-4”
2x10 9’-6” 7’-10”
2x12 11’-0” 9’-0”
Corridorfloorframingoftenshallowerthanadjacentrooms:accommodatemainMEPruns,shorterspans
SPF#2,DL=30,LL=100
ElectricalBoxes– AvoidFlankingPaths
AirTightandInsulated
Examplesofineffectiveandeffectiveinstallation
PhotoDr.EnergySaver
Doorways– AvoidFlankingPaths
Avoidaligningdoorsonoppositesidesofcommonhallways
HVAC– AvoidFlankingPaths
Isolatemechanicalsystemsbetweenunits
ExampleHVACLayout
AssemblyPerformance:MEP
WhateffectdoesframinglayouthaveonMEP?
Considereaseofinstallationthroughstructure,easeofaccessforfutureneeds
AssemblyPerformance:MEPHowcanweaccommodateMEP&dataneedswithwoodframedsystems?
AssemblyPerformance:MEP
Source:Weyerhaeuser
