2019 code changes
TRANSCRIPT
Stairs
• 9.8.4.5.UniformityofRunsinFlightswithMixedTreadswithinDwellingUnits
• ***NewtoAlberta• AlbertaBuildingCode2014didnotallowmixedtreads
betweenfloorlevels.Nowpossibletomixindwellingunits.
Stairs:MinimumRuns
Spiral Stairs
• 9.8.4.7.SpiralStairs• ***NewtoAlberta&NaSonalBuildingCode• Notlimitedtodwellingunits• PermiTedastheonlymeansofegresswhen:• Servesnotmorethan3personsand• Notservesasanexit(CommercialProp.)
SPIRALStairs
Stairs
• ClearanceandDesign• Theclearancebetweenahandrailandthesurfacebehinditshallbenotlessthan
• 50mm,or• wheresaidsurfaceisroughorabrasive,60mm.
• Appendixnoteongraspable:ThegraspableporSonofahandrailshouldallowapersontocomfortablyandfirmlygrabholdbyallowingtheirfingersandthumbtocurlunderpartofallofthehandrail.(A-9.8.7.5.(2))
Stairs-Clarifica'ons
Ornamental Guards
• 9.8.8.6.DesignofGuardstoNotFacilitateClimbing• PermiTedwhenprotecSngalevelnotmore
than4.2maboveadjacentlevel.Ifgreaterthan4.2m,designasper9.8.8.6.
• DesignshallsSllnotallowa100mmdiametersphericalobjettopassthroughtheguard.
OrnamentalGuards
Fire Warning Systems
• 9.10.19.8ResidenSalFireWarningSystems• ‘EssenSally’afirealarmsystemdesignedfor
residencesthatincludesrequirementsthatitfuncSonlikeaninterconnectedsmokedetectorsysteminaSFD.
Residen'alFireWarningSystems
Roofing, Waterproofing and Dampproofing
• 9.13Dampproofing,WaterproofingandSoilGasControl• CGSBmaterialstandards• Deletesoutdatedstandards• ReplacedASTMwhereacceptable• KeptCGSBstandardwherenoreplacementsareavailable
• CGSBinstallaSonstandards• DeletedandreplacedwithprescripSverequirementsforinstallaSon
Roofing,WaterproofingandDampproofing
Fire Warning Systems
• OnlygoingtoshowupinAlberta,ifyouarebuildinginthemountainsorimmediatefoothills.
StructuralDesign-LateralLoads
Low Permeance Materials
• 9.25.5.ProperSesandPosiSonofMaterialsintheBuildingEnvelope• DON’Tcreate2sealedvapourbarrierswithin
yourwallassembly
LowPermeanceMaterials
EIFS Systems
• 9.27.13.ExteriorInsulaSonFinishSystems• Complywithprescribeddrainage
cavityreferencedinULCstandards,or
• ComplywithPart5
EIFSSystems
Energy Efficiency
• 9.36.2.1.(8)therequirementsofthisSubsecSonalsoapplytocomponentsofabuildingenvelopeassemblythatseparateaheatedorunheatedgaragefromuncondiSonalspaceortheexteriorair,wheretheaTachedgarageserves
a) notmorethanonedwellingunit,orb) Ahousewithasecondarysuite.
TheabovehasbeenremovedfromsecSon9.36.EnveloperequirementsforaTachedanddetachedgaragesislocatedinSecSon9.25.
EnergyEfficiency:Garages
Energy Efficiency
• 9.36.2.2.DeterminaSonofThermalCharacterisScsofMaterials,ComponentsandAssemblies4) TheeffecSvethermalresistanceofopaquebuildingassembliesshallbe
determinedfrom:a) LaboratorytestsperformedinaccordancewithASTMC1363,“Thermal
PerformanceofBuildingMaterialsandEnvelopeAssembliesbyMeansofaHotBoxApparatus,”usinganindoorairtemperatureof21℃+/-1℃andanoutdoorairtemperatureof-18℃+/-1℃(-35℃+/-1℃)
EnergyEfficiency:DesignTemp.
Energy Efficiency
• 9.36.2.9.AirSghtnessc) 9.36.2.9.(2-6)/TestedassemblytoASTME2357/9.25.3.***NewSub-
clause****i) thebuildingwillnotbesubjectedtosustainedwindloadscalculated
basedona1-in-50hourlywindpressurethatexceed0.65kPa,andii) Theairbarrierassemblyisinstalledonthewarmsideofthethermal
insulaSonoftheopaquebuildingassembly.ColdLake0.38/StPaul0.37/LacLaBiche0.36/Westlock0.42/Athabasca0.36
EnergyEfficiency:DesignTemp.
Main Entrance Doors
• A-9.7.4.2.(1)StandardsreferencedforWindows,DoorsandSkylights• PerformanceofDoors,LimitedWaterIngressControl(LW)rateddoors
MainEntranceDoors
LW⌀LW
Corridor Length
• 9.9.7.3.Dead-EndCorridors• NowpermiTedtobenotmorethan
6mlong.(was3m)
DeadEndCorridors
Sound Transmission
• 9.11.1.2.DeterminaSonofSoundTransmissionRaSngs
• ApparentSoundTransmission(ASTC)isintroducedtoaccountforflankingsoundtransmissioninaddiSontodirectsoundtransmission
SoundTransmission
Fire Protection: Minimum Fire Rating Of Cables in Air Plenums
• ChangeintheminimumraSng• OpScfibrecablesandelectriccableswith
combusSbleinsulaSoninairplenums(forvoice,soundanddata)incombusSbleconstrucSonusedtobeFT4andisnowFT6
• NowconsistentwithopScalfibercablesandelectricalwiresandcablesinnon-non-combusSbleconstrucSon
3.1.4.Combus'bleConstruc'on
Fire Protection: Outlet Box Penetrations
• Non-combusSbleoutletboxes(nofirestoprequired-withsomesizelimitaSons)
• Opposingoutletboxesinafireratedwall:• Separatedhorizontallynotlessthan600
mm,or• FireBlock
3.1.9.4.Penetra'onbyOutletBoxes
Self Service Storage Buildings
• Notmorethan1storey• NoBasementormezzanine• Noothermajoroccupancy• FireratedseparaSonsbetweencompartmentsor
thebuildingissprinklered
3.9.Self-ServiceStorageBuildings
Fire Protection: Foamed Plastics
• Updatesforwalk-incoolersandFreezersincombusSbleconstrucSonbuildings.
• PermissionforfactoryassembledpanelscontainingfoamedplasScsincertainsituaSons.
• RequirementsforcombusSbleinsulaSonandfoamedplasScswithinnon-combusSblebuildingshasbeenseparatedintotwocodearScles.
FoamedPlas'cs-3.1.4.2(2)/3.1.5.7./3.1.5.14./3.1.5.15.
Combustible Components in Exterior Walls
• ForNon-CombusSbleconstrucSon:• Claddingandcomponentsseparatedinto
twoarScles• DonetohelpclarifythedisSncSon
betweentheserequirements
Combus'bleComponentsinExteriorWalls
Smoke Dampers
• PreviouslyonlyaddressedFiredampers• preventsmokespreadingintoegresspaths• InspecificlocaSons…likepubliccorridors• CombinaSonfire/smokedamperis
permiTed
Installa'onofSmokeDampers(3.1.8.7./3.1.8.9./3.1.8.11)
Leakage-rated doors
• Leakage-rateddoorsneednotbeinstalledwhereadwellingunitservedbyapubliccorridorhasa) asecondandseparatemeansofegress,orb) anopen-airbalcony
• InstallaSontoNFPA105andANSI/UL1784“AirLeakageTestofDoorAssembliesandOtherOpeningProtecSves”
• CerSfieddoorsmarked“SmokeandDraoControlDoor”or“S”
3.1.8.5.Installa'onofClosures
Commissioning of Buildings
• 3.1.8.13./3.2.9.1.• CAN/ULCS1001“IntegratedSystemsTesSngofFireProtecSon
andLifeSafetySystems”nowarequirement.
BUILDINGCOMMISSIONINGISFORMALLYHERENOW!
Mezzanines
• 3.2.8.3• ArScleDeleted:NowpermitscombusSbleconstrucSonifthe
occupancyclassificaSonpermitscombusSbleconstrucSonin3.2.2.
MezzaninesrelaxedtoNa'onalStandards
Handrails for Aisles with steps
• 3.3.2.10.Clarifica'onaddedtothisar'cle.
HandrailsforAisleswithSteps
Emergency Crossover Access
• 3.4.6.18.• Reworded-Updatedtoclarify• ElectromagneSclocksnowpermiTed
EmergencyCrossoverAccesstoFloorAreas
Distances between Exterior Exits
• 3.4.2.3.• NowpermiTedtoonlybeseparatedby6m
• wherethebuildingissprinkleredthroughoutANDthe2exteriorexitsarewithin15mofastreet.
DistanceBetweenExteriorExits
Handrails, Guards and Stairs
• 3.4.6.4/3.4.6.6./3.4.6.8.• “GraspableporSon”fornon-circularcrosssecSonhandrailsisnow
deleted• HeightofguardsservingflightofexitstairsinPart3/9isharmonized
(previously920mmand1070mm)toallbe1070mm• NoopenriserstairspermiTedinpublicstairs,onlypermiTedwithin
dwellingunitsandindustrialoccupancies.
Handrails,GuardsandStairs
Accessibility
• 3.8.3.1.DesignStandards• BuildingsorpartthereandfaciliSesthatarerequiredtobebarrier-free
shallbedesignedinaccordancewiththissubsecSon.• CSAB651willNOTbeadoptedinAlberta,notasrestricSveasAB
Barrier-Freerequirements.
Accessibility
Accessibility
• 3.8.3.11.Accessibility• waterclosetstallsandenclosuresshallbeequippedwith
L-shapedgrabbar• horizontalandverScalcomponentsnotlessthan
760mmlong• mounted750mmto850mmabovethefloor• VerScalcomponent150mminfrontofthewater
closet
Accessibility
Accessibility
• 3.8.3.11.Accessibility• NEWrequirementsformedicaldoctorclinicsand
officestoprovideenhancedaccessibility.Forexample;
• Entrancedoorwaywidthisrequiredtobe915mmwhenthedoorisintheopenposiSon
Accessibility
General Items
• Curtainwalls,StorefrontsandGlazedArchitecturalStructures• EIFSsystemshavetheirownSubsecSonnow(5.9.4.)• WindUplioofMembraneRoofingAssemblieshasaspecificstandard
CAN/CSA-A123.21added
GeneralItems
Vegetative Roofing Systems
• 5.6.1.2.InstallaSonofProtecSveMaterials
• MaterialsneedtobetestedforprecipitaSonalsoneedtobetestedforresistancetorootandrhizomepenetraSon.
• Newstandard:ANSI/GRHC/SPRIVR-1
Vegeta'veRoofingSystems
Sound Transmission
• ApparentSoundTransmission(ASTC)isintroducedtoaccountforflankingsoundtransmissioninaddiSontodirectsoundtransmission
• SecSon5.8ortables9.10.3.1.A/B&9.11.1.4.
SoundTransmission
Separation Distances of Exhausts and Outdoor intakes
• 6.3.2.9Supply,Return,IntakeandExhaustAirOpenings
Separa'onDistances
Semi-Heated Buildings
• Semi-HeatedBuildingisadefinedterm:ForthepurposesofthisCode,asemi-heatedbuildingisconsideredtobeabuildingwithadesignset-pointtemperatureoflessthan15℃.
• Trade-offpathdoesnotapplytoaddiSonsortosemi-heatedbuildings
Semi-HeatedBuildings
Air-Barrier Performance
• NowhaveaStandardair-barriersmustperformtoo:• CANULC-S742,“AirBarrierAssemblies-SpecificaSon,”andanairleakage
nogreaterthan0.2L/(s*m2)atapressuredifferenSalof75Pa.,OR• AirbarrierassembliestestedinaccordancewithASTME2357
NOprescripSveormeasurementmethodidenSfiedinNECB2011.
Air-BarrierPerformance
Trade-Off Path
• TheDetailedtrade-offpathhasbeendeleted• ONLYsimpletrade-offmethodispermiTed,orgotomodelling.
Trade-OffPath
Part 3 NEW ITEMS
• NewstandardsfordeterminingthermalcharacterisScsofbuildingassemblies• BCHydrosBuildingEnvelopeThermalBridgingGuide.UsingtheBuilding
EnvelopeThermalAnalysis(BETA)• ASHRAERP-1365“ThermalPerformanceofBuildingEnvelopeDetailsfor
MidandHigh-RiseBuildings• ISO14683“ThermalBridgesinBuildingConstrucSon”
Modeling:Alltwoorthreedimensionalthermalmodelling
Part3:BuildingEnvelope***NEWITEMS***
Part 3 NEW ITEMS
• LoweredU-ValuesforfenestraSonsanddoorsinallzonesPart3:BuildingEnvelope***NEWITEMS***
Zone 7A
Part 4 NEW ITEMS
• CalculaSonofinteriorLighSngPowerAllowanceUsingtheBuildingAreaMethodMaxLightPowerDensity(LPD)limits
Part 5 NEW ITEMS
• 5.2.3.4.DemandControlVenSlaSonSystems1)Enclosedsemi-heatedspacesorcondiSonedspaceswherefuelpowered
vehiclesormobilefuel-poweredequipmentorappliancesareintermiTentlyusedshallbeprovidedwithsensorsanddemandcontrolvenSlaSonsystemscapableoflimiSngtheexpectedaircontaminantstoacceptablelevelsbya)stagingthevenSlaSonfans,orb)ModulaSngtheoutdoorairflowrates.
Eg.Indoorspaceswherefuel-poweredequipmentisused
DemandControlVen'la'on
• IntroducesperformancerequirementsforstandaloneheatrejecSonequipment
• CoolingTowerandCondensatecategories• DirectContact• IndirectContact• IndirectContactEvaporaSve• AirCooled
HeatRejec'on*NEW
Part 5 NEW ITEMS
• ShallbecontrolledsoitisautomaScallyadjustedtosetbacktemperaturewithin15minutesofthespacebeingunoccupied
TemporaryControlinGuestRooms
andSuites
Part 5 NEW ITEMS
EnergyRecoverySystems:• NamechangeHRVisnowEnergyRecovery
System(ERS)• Iftheexhaustairsystemdesignexceedsormeets
certainvalues,itshallbeequippedwithanERS• VenSlaSonsystemsthatoperatelessthan8000
hoursperyearareconsiderednon-conSnuouslyoperaSng
Other Items
• 5.2.5.3.PipingInsulaSon-designtemprange13℃16℃-41℃• 5.2.12.1.UnitaryandpackagedHVAC(addedefficiencyrequirementsGas-fired
outdoorpackagedunits)• 5.2.12.1/6.2.2.1.UpdatesperformancerequirementsinMechanicalandService
WaterTables• 6.2.6.1.Showers/6.2.6.2.Lavatorieshavereducethemax.waterflowrates
TweakstoExis'ng
Residential
• TheidenSfiedconductorshallbeinstalledateachlocaSonofamanualorautomaSccontroldeviceforthecontrolofpermanentlyinstalledluminariesatabranchcircuit
• Examples:generaluseswitches,moSonsensors,photocells,dimmersandcomponentsofenergyorlighSngmanagementsystem
Rule#4-022(2)Installa'onoftheiden'fiedconductor
Residential
• Whenthesystemgroundisinstalledintotheneutralbussinthemainbreakercompartmentofthepanel,abondingconductormustbeinstalledfromthebondbussinthepaneltothebondbussinthemetersocket.ThisbondingconductormustbesizedaccordingtoTable16.
Rule#10-210(a)Groundingconnec'onsforsolidlygroundedACsystemsbythesupplyauthority
Residential
• AddiSonalreceptaclesmaynowbeaddedtoanexisSngbranchcircuitthatisnotarcfaultprotected,aslongasanoutletbranch-circuit-typearcfaultcircuitinterrupterisinstalledinthefirstreceptacleaddedintothecircuit.
Rule#26-656(3)ArcFaultprotec'onofbranchcircuitsfordwellingunits
Residential
• GuestroomsandsuitesofhotelsandmotelsandpreschoolandelementaryeducaSonfaciliSeswereaddedtotherequirementsforinstallaSonoftamperresistantreceptacles.
Rule#26-706(1)TamperResistantreceptacles
Residential
• Therequirementforaseparatebranchcircuitforreceptaclesinadiningareaformingpartofakitchenhasbeenremoved,thespacingrequirementsof26-724(a)aresSllapplicable.
Rule#26-724Receptaclesindwellingunits
Residential
• Thereceptacleforacordconnectedhydromassagetubmustbesuppliedformacircuitsuppliesonlyreceptaclesforthattub.
Rule#68-306Receptacleforacord-connectedhydromassagebathtub