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August 23, 2017
Brendan McEwenSustainability ManagerCity of Richmond
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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
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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)
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How the BC Energy Step Code Works (Part 9)
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How the BC Energy Step Code Works (Part 9)
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How the BC Energy Step Code Works (Part 9)
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How the BC Energy Step Code Works (Part 9)
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How the BC Energy Step Code Works (Part 9)
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How the BC Energy Step Code Works (Part 9)
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Part 9 | Upper vs. Lower Steps – Application in the Early Years
UpperSteps
LowerSteps
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EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?
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Performance Requirements For:ü Building envelope
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EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?
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Performance Requirements For:ü Building envelope
ü Equipment and systems
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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
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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 ? ?
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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 ? ?
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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%
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| 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
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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).
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Part 3 Residential – Wood Frame
UpperSteps
LowerSteps
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Part 3 Residential - Concrete
UpperSteps
LowerSteps
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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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