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

Questions?

TerryPattillo,AIA

Mid-AtlanticRegionalDirectorTerryp@woodworks.org(919)995-6672