cityhall-#5507129-v1-energy step code - belcara zoning … · 2019. 6. 3. · richmond’s regime...

1

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.

2

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.

3

| 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

4

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?

13

Performance Requirements For:ü Building envelope

EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?

14

Performance Requirements For:ü Building envelope

ü Equipment and systems

EnergyStepCode– OverviewWhat Does the BC Energy Step Code Measure?

15

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

16

EnergyStepCode– OverviewRichmond’s Regime – For Stakeholder Consultation

17

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

18

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

19

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

BrendanMcEwenSustainabilityManager

CityofRichmondbmcewen@richmond.ca

Thank You!

21

Part3Buildings(Large;typicallynotS.F.)

22

Part 3 vs. Part 9

23

• 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

26

BrendanMcEwenSustainabilityManager

CityofRichmondbmcewen@richmond.ca

Thank You!

27