HomeMy WebLinkAboutCED Ordinance Amending Green Building Codes PPT1
Single Family Existing Buildings
Reach Code Proposal
San Rafael City Council
May 20, 2024
Agenda
1.Background and Rationale
•+ Code Updates and Actions to Date
2.Existing Single Family Reach Code Recommendation
3.Timeline and Next Steps
4.Public Hearing, Questions, and Discussion
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Background and Rationale
San Rafael City Council
May 20, 2024
Background and Rationale
Triennial building code cycle update
State Programs & Goals:100% Renewable Energy
•Zero Net Energy (ZNE)buildings
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Background and Rationale
Climate Action Plan & General Plan Programs
•Reduce emissions 40% by 2030
County Role
•Leads a Model Reach Code process
•Supports all jurisdictions and other stakeholders in development
Council Subcommittee
•Councilmember Bushey
•Councilmember Llorens Gulati
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Background and Rationale
Source: 2022 Greenhouse Gas Inventory 6
Natural gas from buildings:
~ 25% of emissions
Background and Rationale
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Building and Energy Codes
•3-year code cycle
•Intervening codes at midway point
•Opportunity for local “reach” codes
•San Rafael enacts reach codes as part of Climate Action
•Last reach codes adopted November 2022
2022 New Construction Reach Code Components (Adopted)
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Key Policy Components
•New Building electrification requirement
•Applied to almost all building types, residential and commercial
•Prohibited conversion to mixed-fuel later
•Several exceptions, including restaurants & for hardship
•Included a prohibition on extension of gas lines in existing homes
•Effective date: January 4, 2023
2022 New Construction Reach Code Components (Adopted)
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Electric Vehicle Requirements
•SF Homes: Level 2 Ready
•Multifamily:
85% EV Ready – Low Level 2
15% EV Chargers Installed – Level 2
•Commercial:
35% EV Ready – Low Level 2
10% EV Chargers Installed – Level 2
10% EV Capable
CA Restaurant Association vs. City of Berkeley
9th Circuit Court Ruling
•Gas prohibitions preempted by Federal law
•Berkeley to repeal ordinance
•Affects cities with gas bans
Staff recommendation
•Repeal all-electric and gas limit requirements
•Adjust EV requirements
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Intervening State Codes - Effective July 1
1.EV charger changes
•Definitions, removal of “EV capable”
•Specific type of vehicle requirements
•Allowances for shared circuits
2.Heat pump and electric-ready requirements
•Space heating, AC, and hot water for additional units or new construction
•Solar for new single-family homes
•Electric readiness for multi-family properties
3.Lifecycle analyses & deconstruction
•100,000 square foot projects +
These take effect automatically July 1
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8 Step Guide to Electrify
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Policy Recommendation:
Existing Single-Family Homes
San Rafael City Council
May 20, 2024
Amending Title 12 of San Rafael Municipal Code
1.Mechanical Codes – Incorporating State Code
2.Plumbing Code – Incorporating State Code
3.Green Building Standards Code – Amended to continue the last
round of EV reach codes + new State Code changes
4.Energy Code – Amended to include new FlexPath requirement
Code Updates
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Context
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Existing Buildings
San Rafael has
~24,600 housing units
56% are single-family
78% of single-family
homes are owned
86% of multifamily
homes are rented
10,379
1,382
2,904
8,754
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
Single Family Multifamily
Tenure by Housing Type
Owned Rented
•Meaningfully reduce greenhouse gas emissions
•Maintain good customer experience
•Seek co-benefits and reduce unintended
consequences
Overall Goals:
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Single family and duplexes
•State developed Flexible Measures Pathway
•Gives homeowners a set of choices
•Focus on energy efficiency with options for electric
•Based on cost -effectiveness studies
•Does not require electrification to comply
•County, Fairfax, and San Anselmo have adopted
Pathway for Existing Buildings
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Flex Path
What projects would be affected?
•Single family house remodels:
•Includes duplexes & townhomes
•500 Sq. Ft. or more*
•Built before 2010
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Flex Path
Estimated Impact
•~ 40-60 homes per year
•Cost of compliance (install): $500 - $4000
•Most homes will see bill savings
•Older homes will have more savings
•GHG Impact ~10-22% reductions / building
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Flex Path – How it Works
Applicants Identify Vintage
Applicants choose measures
Total must meet target score
•Pre 1978 = 12 points
•1978 – 1991 = 8 points
•1992 – 2005 = 4 points
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Flex Path
User Scenario #1
•1960s ranch style home
•800 sq. ft. addition
•Interior remodel
•Window replacements
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Flex Path
User Scenario #1
•Pre-1978 Vintage
•Interior remodel
•Window replacements
•7 points left
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Flex Path
User Scenario #2
•1980's home
•Remodel of second story
•800 sq. ft.
•Recently added some Flex
Path measures
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Flex Path
User Scenario #2
1980's home
Already existing:
•Water heating package (1 pt)
•Induction cooktop (1 pt)
6 points left
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Flex Path
User Scenario #3
•1995 home
•1015 sq. ft. addition
•First and second stories
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Flex Path
User Scenario #3
•1995 home
•1015 sq. ft.addition
•Options: attic, water &
duct measures
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Flex Path
Looking Forward
•New permit software
•Track projects, choices and points
•Review and adjust as needed
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Flex Path
Next Steps if Adopted
•Submit to California Energy
Commission
•Effective August/September
•Explore other measures
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Open Public Hearing
Entertain Questions
San Rafael City Council
May 20, 2024