10 Building Code Opportunities for California Local Governments

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1 IN PARTNERSHIP WITH 0 Building Code Opportunities for California Local Governments Go beyond Title 24 codes by instituting local ordinances tat elp you reac your climate goals sooner and reap rewards earlier. Te California Codes and Standards program is working in partnersip wit te California Energy Commission (CEC) toward acieving te state s Zero Net Energy (ZNE) policy goals. Build It Green (BIG) and te PG&E Codes and Standards team want to elp cities or counties in PG&E territory* evaluate different ordinances to: advance your energy efficiency and climate action goals. assist wit template language. coordinate implementation training. provide tecnical assistance. Measures tat are adopted now will persist troug te 206 code cycle and prepare jurisdictions for 209. Many local jurisdictions trougout California, including Fremont, Suisun City, San Francisco, and Sonoma, are already evaluating or ave adopted policies to improve te energy efficiency of new and existing building stock. Te Codes and Standards Program is evaluating 0 residential and non-residential local ordinance opportunities. Please let us know wic one(s) interest you so tat we can elp you reac your goals. We can also support your CALGreen Tier and Zero Net Energy objectives. Adopting new ordinances need not be difficult or burden. Build It Green can elp walk you troug te process. Call us at x23 or amy@builditgreen.org. * Tecnical services are free to any city or county located in PG&E territory (206). Build It Green is an Oakland-based nonprofit tat works wit building professionals to make omes ealty and efficient. Tis initiative is funded by California utility customers and administered by Pacific Gas and Electric Company (PG&E) under te auspices of te California Public Utilities Commission.

2 Code Opportunities (Coose wat interests you, ten call Build It Green to discuss next steps) LIGHTING Outdoor Ligting Non-Residential New Construction: A prescriptive ordinance for non-residential ligting as te potential to address gaps for ardscape areas in 206 code. LED tecnology as expanded significantly offering iger efficacy products for outdoor ligting. In bot te 203 and 206 code, Table 40.7-B Additional Ligting Power Allowances for Specific Applications, provides te allowable wattage for specific applications. A prescriptive outdoor ligting ordinance would replace Table B wit an alternative table containing lower ligting power allowances. Specific applications can prove cost-effective to go beyond code, including te following: building drive-up windows veicle service station uncovered fuel dispenser outdoor sales frontage ardscape ornamental ligting building façade outdoor sales lots veicle service station ardscape veicle service station canopies sales canopies non-sales canopies and tunnels guard stations student drop-off / pick-up zone outdoor dining special security ligting for retail parking and pedestrian ardscape Eac application will ave specific ligting power allowance tat would be referenced in te ordinance. A cost-effectiveness study is required (and it is already underway) to be filed wit te CEC and Building Standards Commission. Non-Residential Retrofit: An ordinance can set an energy code trigger for projects replacing 50% or more of te existing luminaires (if five or more). Te project must meet te same new construction ligting power allowances as noted above. Currently, tere is a proceeding to define te energy code standards, including controls and LPA for outdoor ligting for additions and alterations. Wile tere is great opportunity to improve ligting in existing building stock, it is complicated to evaluate te cost effectiveness. A cost-effectiveness study is required to be filed wit te CEC and Building Standards Commission. Wit te interest from local governments, we will work wit te CEC staff to do a cost-effectiveness study tat covers te project scenarios of interest. Indoor Ligting Te CEC anticipates reducing te allowed Ligting Power Density (LPD) for indoor ligting for te 209 code cycle using LED tecnology as te basis. Non-Residential New Construction: Require ardwired indoor ligting to meet a specific tresold below te allowed LPD. A cost-effectiveness study is required to be filed wit te CEC and Building Standards Commission. Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 2 of 8

3 HOT WATER DISTRIBUTION Reducing ot water distribution energy inefficiency is voluntary under te energy code, and it is an opportunity to save bot energy and water. Multifamily Central Systems Retrofit: For a domestic ot water retrofit, require installation of demand controls for central domestic ot water systems wit a recirculation system. For new construction wit central domestic ot water systems, demand control is te prescriptive requirement and te basis of te Standard Budget wen using te Performance Metod of compliance. A cost-effectiveness study is required to be filed wit te CEC and Building Standards Commission. A CPUCapproved utility documentation of te measure savings can be leveraged to support te cost-effectiveness evaluation. Multifamily or Single Family wit Systems Serving Individual Units: Te following measures can apply to new and existing, altoug te performance tresold for option 2 would be more callenging in existing witout a significant retrofit. Tere are two options:. Require installation of an on-demand recirculation pump as defined in te CEC Reference Appendices (RA) Section Require projects to engineer te plumbing system to meet EPA WaterSense standards for te volume limit for ot water distribution. Te water temperature at te fartest fixture from te ot water source must increase a minimum of 0 F. witin 0.6 gallons (9.6 cups) of flow, resulting in a wait time of approximately 5-30 seconds. Tis measure is specific to storage water eaters. No cost-effectiveness study is required for new construction as it is a prescriptive assumption in code. A cost-effectiveness study is required for retrofits to be filed wit te CEC and Building Standards Commission. A CPUC-approved utility documentation of te measure savings can be leveraged to support te cost effectiveness evaluation for retrofits. WATER EFFICIENCY For te first time in state istory, te Governor as directed te State Water Resources Control Board to implement mandatory water reductions in cities and towns across California to reduce water usage by 25 percent from 203 levels. Tis mandate as increased te viability of offsetting potable water use. Indoor Water Use Non-Residential and Multifamily or Single Family New Construction: Require compliance wit voluntary measures of CALGreen. Tere are two options:. Dual plumb to support alternative water supply: Dual plumb building for recycled water/ gray water and potable water meeting or exceeding CALGreen voluntary section A4.305 for residential or Section A for non-residential. 2. Provide alternative water supply: Plumb indoor water use for non-potable water supply (rainwater, graywater or recycled water) for water closets, urinal, and oter allowed uses. CALGreen Section A for non-residential and Section A for residential reference indoor water use to offset or eliminate potable water use for tese applications. In te case of rainwater as te supply, it is advisable tat te ordinance include a minimum volume of storage in order to ensure a meaningful contribution. Workpaper Disposition for On-Demand Pump Control for Central Domestic Hot Water Systems, California Public Utilities Commission, Energy Division, SoCalGas Program Feb. 28, 203 Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 3 of 8

4 Outdoor Water Use Non-Residential and Multifamily or Single Family New Construction: Provide alternative water supply: Plumb outdoor water use for non-potable water supply (rainwater, graywater or recycled water) for irrigation. For nonresidential CALGreen Section A for non-residential and Section A or A for residential reference outdoor water use to offset or eliminate potable water use. Te tresold can be defined as a reduction in potable water use for any building type. For multifamily or non-residential, it may be appropriate to define a minimum supply volume requirement, especially in te case of rainwater as supply. A cost-effectiveness study is not required for indoor or outdoor water use measures. However, a justification is required to be filed wit te Building Standards Commission. Additional evaluations can be provided to support feasibility of implementation. Commercial Kitcens New Construction and Retrofit: Adopt voluntary measures of 206 CALGreen, wic address cubed ice makers, food steamers, food waste disposers, diswasers and commercial pre-rinse spray valves. Commercial kitcen water use is primarily associated wit diswasing. A cost-effectiveness study is not required. However, a justification must be filed wit te Building Standards Commission. Additional evaluations can be provided to support feasibility of implementation. COOL ROOFS Te use of cool roofs as an Urban Heat Island mitigation strategy brings many benefits, including reduced energy use, reduced air pollution, reduced greenouse gas emissions, and improved uman ealt and comfort. In addition, tere are no additional installation costs for cool roof products. TABLE STANDARDS FOR COOL ROOFS All Building Types, 2:2 (low-slope) > 2:2 (steep-slope) All Climate Zones SR TE SR TE Minimum Ordinance Requirement TIER TIER Non-Residential New Construction: For new nonresidential buildings, te standards already include prescriptive requirements. Cool roofs are generally not cost-effective in te cooler coastal climate zones (3 and 4). In te more moderate Climate Zones 2-5, te cool roof requirements above are cost-effective in medium office and strip mall prototype buildings. All new non-residential buildings in te cooling-dominated climate zones (6-6) demonstrate tat cool roofs are cost effective for bot steep and low slope roofs. Non-Residential Existing Construction: Projects in a jurisdiction wit a cool roof reac code tat specifies cool roof wen a roof is replaced on an existing building would be required to meet eiter Tier or 2, depending on wat is adopted. Cool roofs are cost effective on existing buildings because tey lack energy efficiency features suc as insulation, ig efficiency ligting, and HVAC equipment. Multifamily Low-Rise New Construction: Steep slope cool roofs meeting eiter Tier or Tier 2 specifications are cost effective in Climate Zones 2, 4, and 6-6. Low slope cool roofs for bot tiers are cost effective in Climate zones 2-6. Multifamily Hig-Rise New Construction: Steep and low slope cool roofs in Climate Zones 9-, 3, and 5 do not sow energy savings. Cool roofs in Climate Zones 4 (wic as prescriptive requirements), 2-8, 2, and 6 may be cost effective acieving reduced annual energy consumption. Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 4 of 8

5 Single Family New Construction: Cool roofs, bot steep and low slope, in Climate Zones 0-5 meeting eiter Tier or Tier 2 specifications are cost effective, despite already aving prescriptive requirements equivalent to te minimum ordinance level. Non-Residential and Single Family or Multifamily New Construction: For low cooling load areas, tere is an option to look at roofs more broadly and consider better roof. For buildings up to 0 stories, better roof requires solarready and for te roof to be occupied by a combination of PV, solar DHW, or living roof. A cost-effectiveness study is required and as already been prepared by te Codes and Standards program for multiple building types and all 6 climate zones tat can be used for filing wit te CEC and Building Standards Commission (Cost-Effectiveness Study for Cool Roof Draft Report for All Climate Zones prepared for PG&E by TRC Solution, June 4, 205). ELEVATORS Canges to te American Disability Act requirements for accessibility will likely result in elevators being installed in a iger percentage of buildings, including two-story buildings. Specifications for elevators are voluntary in CALGreen Section A for traction elevators and A for controls. An energy efficiency ordinance for elevators could include bot elevator equipment type and controls. Non-Residential and Multifamily New Construction:. Require installation of traction or gearless elevators, wic use less energy and do not require an elevator room/pentouse in place of ydraulic elevators. 2. Require networked/destination controls to be configured to reduce un-loaded trips based on usage patterns. No cost-effectiveness study is required. However, a justification must be filed wit te Building Standards Commission. Additional evaluation can be provided to support feasibility of implementation. ENERGY RATING AUDITS TIME OF SALE Non-Residential Multifamily or Single Family Existing: Require existing buildings and omes to complete an audit to evaluate opportunities for energy upgrades. For example, te City of Berkeley adopted te Energy Savings Ordinance (BESO) in Fall 206. A cost-effectiveness study is not required to be filed wit te CEC and Building Standards Commission. EISTING RENTAL PROPERTY For jurisdictions wit a ig percentage of rental properties, tere is an opportunity to develop an ordinance requiring energy efficiency improvements by a date certain or oter triggering activities. Tis ordinance sould be supported by tecnical assistance. Te energy efficiency tresold can be defined troug a performance patway or a prescriptive patway. For example, te City of Boulder, CO, adopted SMARTRegs in 200 wit a date certain of improvement by 209. Multifamily or Single Family Existing: Require all rental properties to improve properties to a specified level of performance by a date certain. A cost-effectiveness study is required to be filed wit te CEC and Building Standards Commission. Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 5 of 8

6 Non-Residential Existing: Require tenant improvements meeting scope criteria to upgrade to 206 Title 24 prescriptive requirements wit for unique as-built situations. A cost-effectiveness study is required to be filed wit te CEC and Building Standards Commission. ELECTRIC VEHICLE CHARGING STATIONS Single Family New Construction: Require installation of a dedicated 208/240 volt branc circuit in raceway for EV carging service.* No cost-effectiveness study is required. However, a justification must be filed wit te Building Standards Commission. Additional evaluations can be provided to support feasibility of implementation. *Note: Tere are policy issues on tis measure tat need to be clarified by te CEC and CPUC. ELECTRIC VEHICLE CHARGING READINESS Executive Order B-6-2, mandates tat California s Zero Emission Veicle (ZEV) infrastructure be able to support million Zero Emission Veicles by 2020 and tat more tan.5 million ZEV be on te road by Te Air Resources Board as determined tat it is critical tat buildings are bot built and retrofitted to meet tis demand to support te zero emission mandate.* Non-Residential New Construction: Meet one of te voluntary 206 CALGreen Tiers or an overall percentage defined in Table below. 203 CALGreen mandates tat a minimum of 3% of parking spaces in new nonresidential buildings wit greater tan 50 parking spaces be ZEV-ready wit voluntary tiers set at 4% and 6% for projects wit greater tan 50 spaces. Projects wit less tan 50 spaces are exempt. 206 CALGreen expands te requirement to buildings wit 0 or more parking spaces, and requires a iger percentage of ZEV-ready spaces overall. TABLE. 206 CALGREEN ELECTRIC VEHICLE CHARGING READINESS Total Number of Number of Required Tier Tier 2 Parking Spaces Spaces for EV and over 6% of total 8 % of total 0% of total Multifamily New Construction: Meet te same EV carging readiness tresolds as defined in te 206 nonresidential voluntary tiers above to align multifamily and nonresidential requirements. 203 CALGreen requires multifamily projects wit 7 or more dwelling units include 3% of parking spaces enabled for future EV installation. Tis is increased to 5% for prerequisite for Tier and Tier 2. Te requirements remain uncanged in 206. In addition, tere is an exception for multifamily projects of less tan 7 units, wic are not required to provide any EV spaces. If appropriate to building stock, an ordinance could be adopted tat applies to multifamily buildings wit 3-6 units. No cost-effectiveness study is required. However, a justification must be filed wit te Building Standards Commission. Additional evaluations can be provided to support feasibility of implementation. Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 6 of 8

7 *Note: Tere are policy issues on tis measure tat need to be clarified by te CEC and CPUC. SOLAR PHOTOVOLTAICS Solar potovoltaics are becoming less expensive and can assist in reducing greenouse gas emissions from electrical generation.* Non-Residential Multifamily or Single Family New Construction: Require installation of a minimum size potovoltaic system based on land use type. A cost effectiveness study is required to be filed wit te CEC and Building Standards Commission. *Note: Tere are policy issues on tis measure tat need to be clarified by te CEC and CPUC. Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 7 of 8

8 Summary of Applications for Single Measure Opportunities Measure Cost Effectiveness Study New Construction Existing Single Family Multifamily Non- Residential Ligting Yes Yes wit Hot Water Distribution Yes Indoor Water Efficiency No Yes wit Outdoor Water Efficiency No Yes wit Commercial Kitcens No Yes wit EV Carging Readiness No EV Carging Stations No Cool Roofs Yes Elevators N/A Solar PV Yes Yes wit Energy Rating Audits Rental Property N/A No Build It Green ext Draft Summary of Opportunities: Created by Build It Green (last updated Marc 0, 206) 8 of 8