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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 2 3 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 4 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 5 Background and Rationale Source: 2022 Greenhouse Gas Inventory 6 Natural gas from buildings: ~ 25% of emissions Background and Rationale 7 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) 8 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) 9 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 10 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 11 8 Step Guide to Electrify 12 13 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 14 Context 15 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: 16 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 17 Flex Path What projects would be affected? •Single family house remodels: •Includes duplexes & townhomes •500 Sq. Ft. or more* •Built before 2010 18 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 19 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 20 Flex Path User Scenario #1 •1960s ranch style home •800 sq. ft. addition •Interior remodel •Window replacements 21 Flex Path User Scenario #1 •Pre-1978 Vintage •Interior remodel •Window replacements •7 points left 22 Flex Path User Scenario #2 •1980's home •Remodel of second story •800 sq. ft. •Recently added some Flex Path measures 23 Flex Path User Scenario #2 1980's home Already existing: •Water heating package (1 pt) •Induction cooktop (1 pt) 6 points left 24 Flex Path User Scenario #3 •1995 home •1015 sq. ft. addition •First and second stories 25 Flex Path User Scenario #3 •1995 home •1015 sq. ft.addition •Options: attic, water & duct measures 26 Flex Path Looking Forward •New permit software •Track projects, choices and points •Review and adjust as needed 27 Flex Path Next Steps if Adopted •Submit to California Energy Commission •Effective August/September •Explore other measures 28 29 Open Public Hearing Entertain Questions San Rafael City Council May 20, 2024