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2022 Single -Family Residential Mandatory Requirements CITY OF SANTA ANA ?nning and Building Agency Space Conditioning System Airflow Rate and Fan Efficacy. Space conditioning systems that use u4 fo��ypXu 0A C E a hole for the placement of a static pressure probe, or a permanently installed static pressure probe i th sa(i�y I o § 150.0(m)13: be >_ 350 CFM per ton of nominal cooling capacity, and an air -handling unit fan efficacy 5 0.45 watts r CFM for gas furnace air handlers ands 0.58 watts per CFM for all others. Small duct high velocity systems must provide an ai flow z 250 CFM per ton of nominal cooling capacity, and an air -handling unit fan efficacy 5 0.62 watts per CFM. Field verification testing F0iiq fcordance with Reference Residential ADDendix RA3.3. * �611111PPV11 PIIV 11 Requirements for Ventilation and Indoor Air Quality. All dwelling units must meet the requirements of ASHRAE Standard 62.2, § 150.0(o)l: Ventilation and Acceptable Indoor Air Quality in Residential Buildings subject to the amendments specified in § 150.0(o)1. * Central Fan Integrated (CFI) Ventilation Systems. Continuous operation of CFI air handlers is not allowed to provide the whole- § 150.0(o)1 B: dwelling unit ventilation airflow required per §150.0(o)1 C. A motorized damper(s) must be installed on the ventilation duct(s) that prevents all airflow through the space conditioning duct system when the damper(s) is closed andcontrolled per §150.0(o)l Biii&iv. CFI ventilation systems must have controls that track outdoor air ventilation run time, and either open or close the motorized damper(s) for compliance with §150.0 0 1C. Whole -Dwelling Unit Mechanical Ventilation for Single -Family Detached and townhouses . Single-family detached dwelling units, § 150.0(o)lC: and attached dwelling units not sharing ceilings or floors with other dwelling units, occupiable spaces, public garages, or commercial spaces must have mechanical ventilation airflow specified in § 150.0(o)1Ci-iii. § 150.0(o)1G: Local Mechanical Exhaust Kitchens and bathrooms must have local mechanical exhaust; nonenclosed kitchens must have demand - controlled exhaust system meeting requirements of §150.0(o)1Giii,enclosed kitchens and bathrooms can use demand -controlled or continuous exhaust meeting §150.0(o)1 Giii-iv. Airflow must be measured by the installer per §150.0(o)1 Gv, and rated for sound per 150.0 0 1 Gvi. * § 150.0(o)lH&I: Airflow Measurement and Sound Ratings of Whole -Dwelling Unit Ventilation Systems. The airflow required per § 150.0(o)1C must be measured by using a flow hood, flow grid, or other airflow measuring device at the fan's inlet or outlet terminalslgriIles per Reference Residential Appendix RA3.7. Whole -Dwelling unit ventilation systems must be rated for sound per ASHRAE 62.2 §7.2 at no less than the minimum airflow rate required by §150.0 0 1C. Field Verification and Diagnostic Testing. Whole -Dwelling Unit ventilation airflow, vented range hood airflow and sound rating, § 150.0(o)2: and HRV and ERV fan efficacy must be verged in accordance with Reference Residential Appendix RA3.7. Vented range hoods must be verged per Reference Residential Appendix RA3.7.4.3 to confirm if it is rated by HVI or AHAM to comply with the airflow rates and sound requirements per §150.0(o)l G r VVI PIIV V Certification by Manufacturers. Any pool or spa heating system or equipment must be certified to have all of the following: compliance § 110.4(a): with the Appliance Efficiency Regulations and listing in MAEDbS; an on -off switch mounted outside of the heater that allows shutting off the heater without adjusting the thermostat setting; a permanent weatherproof plate or card with operating instructions; and must not use electric resistance heating. * Piping. Any pool or spa heating system or equipment must be installed with at least 36 inches of pipe between the filter and the heater, or § 110.4(b)l: dedicated suction and return lines, or built-in or built-up connections to allow for future solar heating. § 110.4(b)2: Covers. Outdoor pools or spas that have a heat pump or gas heater must have a cover. Directional Inlets and Time Switches for Pools. Pools must have directional inlets that adequately mix the pool water, and a time § 110.4(b)3: switch that will allow all pumps to be set or programmed to run only during off-peak electric demand periods. § 110.5: Pilot Light. Natural gas pool and spa heaters must not have a continuously burning pilot light. Pool Systems and Equipment Installation. Residential pool systems or equipment must meet the specified requirements for pump § 150.0(p): sizing, flow rate, piping, filters, and valves. LI II1111 Lighting Controls and Components. All lighting control devices and systems, ballasts, and luminaires must meet the applicable § 110.9: requirements of § 110.9. * § 150.0(k)1A: Luminaire Efficacy. All installed luminaires must meet the requirements in Table 150.0-A, except lighting integral to exhaustfans, kitchen range hoods, bath vanity mirrors, and garage door openers; navigation lighting less than 5 watts; and lighting internal to drawers, cabinets, and linen closets with an efficacy of at least 45 lumens per watt. § 150.0(k)1B: Screw based luminaires. Screw based luminaires must contain lamps that comply with Reference Joint Appendix JA8. Recessed Downlight Luminaires in Ceilings. Luminaires recessed into ceilings must not contain screw based sockets, must be airtight, § 150.0(k)1C: and must be sealed with a gasket or caulk. California Electrical Code § 410.116 must also be met. Light Sources in Enclosed or Recessed Luminaires. Lamps and other separable light sources that are not compliant with the JA8 § 150.0(k)1D: elevated temperature requirements, including marking requirements, must not be installed in enclosed or recessed luminaires. Blank Electrical Boxes. The number of electrical boxes that are more than five feet above the finished floor and do not contain a § 150.0(k)1E: luminaire or other device shall be no more than the number of bedrooms. These boxes must be served by a dimmer, vacancy sensor control, low voltage wiring, or fan speed control. Lighting Integral to Exhaust Fans. Lighting integral to exhaust fans (except when installed by the manufacturer in kitchen exhaust § 150.0(k)1F: hoods) must meet the applicable requirements of § 150.0(k). 5/6/22