Conclusions
Green Buildings
1
Vancouver Building By-law
Building Code Development in Canada
2010
NBC
2012
BCBC
+
BC
Variations
+
Vancouver
Variations
=
2012
BCBC
=
2012
VBBL
2
Vancouver Building By-law
Development Process
Development timeline
Model Code
Review
New
Initiatives
Public
Consultation
(Jan-Apr 2012)
Consultation
Review &
Amendment
Revisions
Council
Adoption
Effective
Date
(Sep 2012)
(Mar 2013)
(May 2012)
3
Vancouver Building By-law
Public & Industry Consultation
• Directly consulting with:
•
•
•
•
•
APEGBC and AIBC
Greater Vancouver Home Builders Association
Urban Development Institute
COV Seniors Advocacy Group
COV Accessibility Advocacy Group
• Still to come:
• COV City Management Team
• Council Workshop
4
Vancouver Building By-law:
Council Directives
Environmental Protection:
Large Buildings/
Commercial
• ASHRAE 90.1 2010
• No envelope upgrades
• Cost of High-rise = $22K
5
Vancouver Building By-law:
Council Directives
Environmental Protection:
• 1 & 2 Family Dwellings “Part 9”
• Green Homes Program
• Small Multi-Unit
Residential “Part 9”
• Subset of Green Homes Program
6
Proposed Changes for Homes
Key Updates:
• Maximum 3.5 ACH
• High Efficiency heating
• R22 Effective Walls
• Attic R50
• Energy Star Windows (R4)
• Water Heating > 82%
• Electric Vehicle Charging
Comfort & Durability
7
Split Insulation R-values: Screws through
Insulation
List of 5 acceptable
wall assemblies:
E.g., “Split Insulation”
With 1.5” mineral wool
8
“Double Stud”
9
Split Insulation R-values: Screws through
Insulation
Exterior Insulation
R-value added to
exterior of
sheathing
1.5” Mineral Wool
(R-6)
1.5” XPS (R-7.5)
3” Mineral Wool (R12)
2.5” XPS (R-12.5)
Effective Wall R-value
Accounting for Thermal
Bridging & Fasteners
2x4 stud
wall @ 16”
o.c. with
R-14 batts
2x6 stud
wall @ 16”
o.c.
with R-22
batts
-
22.9
23.2
24.3
23.7
10
Resources
11
VBBL– Existing Buildings
Principles for Existing Building Policy
• Progressive upgrade requirements
– Rapid paybacks (2-3 years)
• Gather data
– Build database of Energy Utilization Intensities
• Align renovations to existing programs
12
VBBL– Existing Buildings
Permit Applications
• Construction
– Renovations, Additions
• Non Construction
– Change of Use, Occupancy
13
VBBL– Existing Buildings
Permit Applications
• Existing Triggers
– Life Safety, Accessibility, Structural
• New Trigger
– Environmental Protection:
• Disclosure of Energy Use (Portfolio Manager)
• Energy Assessment (or BOMA Equivalent)
• Menu of Construction Options
14
VBBL– Existing Buildings
Requirements based on type of upgrade
1: Repair
Energy Use
Intensity Data
2: Minor Renov 3: Non Construction
4: Major Reno
Portfolio
Manager
Portfolio Manager + Portfolio Manager +
(EUI)
(PM)
or
Menu Item
or
Menu Item
BOMA Level 1/2
or
Energy Audit
or
Menu Item
BOMA Level 1/2
or
Energy Audit
or
Menu Item
5/6: Additions or
Reconstruction
Building Code
Specific
Requirements
15
Vancouver Building By-law:
Next Steps
• Spring 2012
– Complete Industry & Public Consultations
– Finalize By-law language based on consultations
• Fall 2012
– Internal staff training
– Industry workshops (including CP Update Workshop)
• Spring 2013
– Ongoing training/support to staff and industry during
adoption period and beyond
16
Forward Your Comments
www.vancouver.ca/2012VBBL
17
LEED Rezoning Policy
• 22,000 Buildings
• Developed and
reviewed by industry
• 3rd party Verified
18
6
19
LEED Projects by City
450
400
350
300
250
200
150
100
50
0
415
310
290
176
CoV
Seattle
Portland
Vancouver (metro)
20
Comparison of 18 months pre and post LEED policy
Post LEED Policy
Pre LEED Policy
Government
3
46%
8
Private
35
51
21
How does it Work?
Rezoning
Sustainability
Strategy
Develop Permit
Proof of
Registration
Building Permit
Submit
Energy
Model
Occupancy
Permit
Final Check
List
Occupancy
Permit + 6 mos
Proof of
Application
Submit to
Submit to
CaGBC
CaGBC
22
Conclusions
Questions?
23