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August 23, 2017
Brendan McEwenSustainability ManagerCity of Richmond
Two Provincial Initiatives Set the Stage
Building Act§ Consistency, Competency & Innovation§ December 2017 marks the end of local building requirements in bylaws.
Climate Leadership Plan§ Establishes a target that all new construction will be net-zero ready by 2032.
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The Energy Step Code Council
The Energy Step Code Council• Serves as a “bridge” between local
governments, the province, and the building, development, and design sectors, to ensure local governments adopt steps of the BC Energy Step Code in a prudent fashion.
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| PROVINCIALGOV.
| NGOS| TRADES&PROFESSIONALS
| LOCALGOV.| BUILDERS&DEVELOPERS
| UTILITIES
Energy Step Code
What is it?§ A better than Code energy standard§ Optional for Local Govts.§ Local Govts can reference in:
§ Bylaws§ Policies§ Incentive programs§ Density bonuses
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How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
How the BC Energy Step Code Works (Part 9)
Part 9 | Upper vs. Lower Steps – Application in the Early Years
UpperSteps
LowerSteps
EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?
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Performance Requirements For:ü Building envelope
EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?
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Performance Requirements For:ü Building envelope
ü Equipment and systems
EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?
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Performance Requirements For:ü Building envelope
ü Equipment and systems
ü Post-construction testing• Airtightness
Energy modeling Air-Tightness Testing No Prescriptive Requirements
Performance Compliance
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EnergyStepCode– OverviewRichmond’s Regime – For Stakeholder Consultation
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Buildingtype CurrentapproximatePerformanceLevel
December15,2017 ~2021 ~2025
Part9detachedhomes,duplexes BCBuildingCode Step1 Step3 Step4
Part9largedetachedhomes BCBuildingCode Step3 Step4 Step5
Part9townhouses ~Step2-3 Step3 Step4 Step5
Part9low-riseapartments BCBuildingCode Step1 Step3 Step4
Part9commercial/industrial BCBuildingCode BCBuildingCode ? ?
Part9allrenovations/additions BCBuildingCode BCBuildingCode ? ?
EnergyStepCode– OverviewRichmond’s Regime – For Stakeholder Consultation
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Buildingtype CurrentapproximatePerformanceLevel
December15,2017 ~2021 ~2025
Part3residential≤6story
WithinCityCentre:~Step1-2OutsideCC:BCBuildingCode Step3 Step3or4 Step4
Part3residential>6story
WithinCityCentre:~Step1-2OutsideCC:BCBuildingCode Step2 Step3 Step4
Part3commercial
WithinCityCentre:~Step1-2OutsideCC:BCBuildingCode Step2 Step3 Step3
Part3industrial BCBuildingCode BCBuildingCode ? ?
Part3allrenovations/additions BCBuildingCode BCBuildingCode ? ?
EnergyStepCode– OverviewBC Housing – Costing Study
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Est.ConstructionCostPremium
Step ClimateZone4
ClimateZone5
LargeSingleFamily(5000sf)
1 0.2% 0.2%2 0.6% 0.3%3 1.4% 0.3%4 1.4% 0.9%5 4.3% 7.4%
MediumSingleFamily(2600sf)
1 0.2% 0.2%2 0.6% 0.3%3 1.6% 0.5%4 2.7% 2.3%5 4.2% 9.5%
| LOCALGOVERNMENTS
| NGOs
| TRADES&PROFESSIONALS
| PROVINCIALGOVERNMENT
| BUILDERS&DEVELOPERS
| UTILITIES
Research and Support Resources
Completed or Underway:• Resource hub: energystepcode.ca• Training and capacity assessment• Costing study• Local government readiness survey• Peer network for local government staff• Webinars and presentations• BC Housing Resources for Builders
• Illustrated Guides to different Steps20
Part3Buildings(Large;typicallynotS.F.)
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Part 3 vs. Part 9
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• Part3– Largeandcomplexbuildings.Thesebuildingsarefourstoreysandtallerandgreaterthan600squaremetresinbuildingareaor“footprint”(e.g.largerapartmentbuildings,condos,shoppingmalls,officebuildings,hospitals,carefacilities,schools,churches,theatres,andrestaurants).
• Part9– Housesandsmallbuildings.Thesebuildingsarethreestoreysorlessandhaveabuildingareaor“footprint”nomorethan600squaremetres(approximately6,500squarefeet).(e.g.single-family,duplexes,townhomes,smallapartmentbuildings,andsmallstores,offices,andindustrialshops).
Part 3 Residential – Wood Frame
UpperSteps
LowerSteps
Part 3 Residential - Concrete
UpperSteps
LowerSteps
EnergyStepCode– Overview
BCBC 6.2.2. - Ventilation§ “For suites in buildings subject to the
[BC Energy Step Code] … outdoor air… shall be supplied to each suite by mechanical ventilation through ducting.”
§ “The indirect supply of required outdoor ventilation air to normally occupied spaces through corridor pressurization or other indirect systems is not permitted.”
Ventilation Requirements in Energy Step Code
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