Section A6.207 — [OSHPD 1, 2 & 4]—HVAC DESIGN, EQUIPMENT AND INSTALLATION

A6.207.1 Space-conditioning equipment certification by manufacturers. Any space-conditioning equipment listed in this section may be installed only if the manufacturer has certified that the equipment complies with all the applicable requirements of this section.

A6.207.1.1 Efficiency. Equipment shall meet the applicable requirements in Tables A6.207.1-A through A6.207.1-M, subject to the following:

1. If more than one standard is listed for any equipment in Tables A6.207.1-A through A6.207.1-M, the equipment shall meet all the applicable standards that are listed; and
2. If more than one test method is listed in Tables A6.207.1-A through A6.207.1-M, the equipment shall comply with the applicable standard when tested with each test method; and
3. Where equipment can serve more than one function, such as both heating and cooling or both space heating and water heating, it shall comply with all the requirements applicable to each function; and
4. Where a requirement is for equipment rated at its “maximum rated capacity” or “minimum rated capacity,” the capacity shall be as provided for and allowed by the controls, during steady-state operation.

Exception: Water-cooled centrifugal water-chilling packages that are not designed for operation at ARI Standard 550 test conditions of 44°F leaving chilled water temperature and 85°F entering condenser water temperature shall have a minimum full load COP rating as shown in Tables A6.207.1-H, A6.207.1-I and A6.207.1-J and a minimum NPLV rating as shown in Tables A6.207.1-K, A6.207.1-L and A6.207.1-M. The table values are only applicable over the following full load design ranges:

Leaving Chiller Water Temperature 40 to 48°F Entering Condenser Water Temperature 75 to 85°F Condensing Water Temperature Rise 5 to 15°F

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TABLE A6.207.1-A— ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS—MINIMUM EFFICIENCY
REQUIREMENTS

TABLE A6.207.1-B— UNITARY AND APPLIED HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTS

TABLE A6.207.1-C— AIR-COOLED GAS-ENGINE HEAT PUMPS

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TABLE A6.207.1-D—WATER CHILLING PACKAGES—MINIMUM EFFICIENCY REQUIREMENTS

TABLE A6.207.1-E—PACKAGED TERMINAL AIR CONDITIONERS AND PACKAGED TERMINAL HEAT PUMPS – MINIMUM EFFICIENCY
REQUIREMENTS

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TABLE A6.207.1-E—PACKAGED TERMINAL AIR CONDITIONERS AND PACKAGED TERMINAL HEAT PUMPS – MINIMUM EFFICIENCY
REQUIREMENTS--continued

TABLE A6.207.1-G—PERFORMANCE REQUIREMENTS FOR HEAT REJECTION EQUIPMENT4

1. For purposes of this table, open cooling tower performance is defined as the maximum flow rating of the tower divided by the fan nameplate rated motor power.
   2. For purposes of this table air-cooled condenser performance is defined as the heat rejected from the refrigerant divided by the fan nameplate rated motor power.
   3. Open cooling towers shall be tested using the test procedures in CTI ATC-105. Performance of factory assembled open cooling towers shall be either certified as base models
   as specified in CTI STD-201 or verified by testing in the field by a CTI approved testing agency. Open factory assembled cooling towers with custom options added to a CTI
   certified base model for the purpose of safe maintenance or to reduce environmental or noise impact shall be rated at 90 percent of the CTI certified performance of the asso-
   ciated base model or at the manufacturer’s stated performance, whichever is less. Base models of open factory assembled cooling towers are open cooling towers configured
   in exact accordance with the Data of Record submitted to CTI as specified by CTI STD-201. There are no certification requirements for field erected cooling towers.
   4. The efficiencies for open cooling towers listed in Table A6.207.1-G are not applicable for closed-circuit cooling towers.

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A6.207.1.2 Controls for heat pumps with supplementary electric resistance heaters. Heat pumps with supplementary electric resistance heaters shall have controls:

A6.207.1.2.1 That prevent supplementary heater operation when the heating load can be met by the heat pump alone; and

A6.207.1.2.2 In which the cut-on temperature for compression heating is higher than the cut-on temperature for supplementary heating and the cut-off temperature for compression heating is higher than the cut-off temperature for supplementary heating.

Exceptions: The controls may allow supplementary heater operation during:

1. Defrost; and
2. Transient periods such as start-ups and following room thermostat setpoint advance, if the controls provide preferential rate control, intelligent recovery, staging, ramping or another control mechanism designed to preclude the unnecessary operation of supplementary heating.

A6.207.1.3 Thermostats. All unitary heating and/or cooling systems including heat pumps that are not controlled by a central energy management control system (EMCS) shall have a setback thermostat.

1. Setback capabilities. All thermostats shall have a clock mechanism that allows the building occupant to program the temperature set points for at least four periods within 24 hours. Thermostats for heat pumps shall meet the requirements of Section A6.207.1.2.

Exception: Gravity gas wall heaters, gravity floor heaters, gravity room heaters, noncentral electric heaters, fireplaces or decorative gas appliances, wood stoves, room air conditioners and room air-conditioner heat pumps need not comply with this requirement. Additionally, room air-conditioner heat pumps need not comply with Section A6.207.1.2. Under perfor

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mance method of compliance, the resulting increase in energy use due to elimination of the setback thermostat shall be factored into the compliance analysis in accordance with a method prescribed by the Executive Director.

A6.207.1.4 Gas- and oil-fired furnace standby loss controls. Gas-fired and oil-fired forced air furnaces with input ratings ≥ 225,000 Btu/h shall also have an intermittent ignition or interrupted device (IID) and have either power venting or a flue damper. A vent damper is an acceptable alternative to a flue damper for furnaces where combustion air is drawn from the conditioned space. All furnaces with input ratings ≥ 225,000 Btu/h, including electric furnaces, that are not located within the conditioned space shall have jacket losses not exceeding 0.75 percent of the input rating.

A6.207.2 Space conditioning systems. A building complies with this section by being designed with and having constructed and installed a space-conditioning system that meets the requirements of Subsections A6.207.2.1 through A6.207.2.6.

A6.207.2.1 Supply-air temperature reset controls. Mechanical space-conditioning systems supplying heated or cooled air to multiple zones shall include controls that automatically reset supply-air temperatures:

1. In response to representative building loads or to outdoor air temperature; and
2. By at least 25 percent of the difference between the design supply-air temperature and the design room air temperature.

Air distribution systems serving zones that are likely to have constant loads, such as interior zones, shall be designed for the air flows resulting from the fully reset supply-air temperature.

Exceptions:

1. Systems that meet the requirements of Section 144(d) of Title 24, Part 6, without using Exception 1 or 2 to that section.
2. Where supply-air temperature reset would increase overall building energy use.
3. Zones in which specific humidity levels are required to satisfy process needs.

A6.207.2.2 Electric resistance heating. Electric resistance heating systems shall not be used for space heating.

Exceptions:

1. Where an electric-resistance heating system supplements a heating system in which at least 60 percent of the annual energy requirement is supplied by site-solar or recovered energy.
2. Where the total capacity of all electric-resistance heating systems serving the entire building is less than 10 percent of the total design output capacity of all heating equipment serving the entire building.
3. Where an electric resistance heating system serves an entire building that is not a high-rise residential or hotel/motel building; and has a conditioned floor area no greater than 5,000 square feet; and has no mechanical cooling; and is in an area where natural gas is not currently available and an extension of a natural gas system is impractical, as determined by the natural gas utility.

A6.207.2.3 Heat rejection systems.

A6.207.2.3.1 General. Subsection A6.207.2.3 applies to heat rejection equipment used in comfort cooling systems such as aircooled condensers, open cooling towers, closed-circuit cooling towers and evaporative condensers.

A6.207.2.3.2 Fan speed control. Each fan powered by a motor of 7.5 hp (5.6 kW) or larger shall have the capability to operate that fan at [2] / 3 of full speed or less and shall have controls that automatically change the fan speed to control the leaving fluid temperature or condensing temperature/pressure of the heat rejection device.

Exceptions:

1. Heat rejection devices included as an integral part of the equipment listed in Tables A6.207.1-A through A6.207.1-E.
2. Condenser fans serving multiple refrigerant circuits.
3. Condenser fans serving flooded condensers.
4. Up to [1] / 3 of the fans on a condenser or tower with multiple fans where the lead fans comply with the speed control requirement.

A6.207.2.3.3 Tower flow turndown. Open cooling towers configured with multiple condenser water pumps shall be designed so that all cells can be run in parallel with the larger of:

1. The flow that’s produced by the smallest pump or
2. 33 percent of the design flow for the cell.

A6.207.2.3.4 Limitation on centrifugal fan cooling towers. Open cooling towers with a combined rated capacity of 900 gpm and greater at 95°F condenser water return, 85°F condenser water supply and 75°F outdoor wet-bulb temperature shall use propeller fans and shall not use centrifugal fans.

Exceptions:

1. Cooling towers that are ducted (inlet or discharge) or have an external sound trap that requires external static pressure capability.
2. Cooling towers that meet the energy efficiency requirement for propeller fan towers in Section A6.207.1, Table A6.207.1-G.

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A6.207.2.4 Hydronic system measures.

A6.207.2.4.1 Hydronic variable flow systems. HVAC chilled and hot water pumping shall be designed for variable fluid flow and shall be capable of reducing pump flow rates to no more than the larger of: a) 50 percent or less of the design flow rate; or b) the minimum flow required by the equipment manufacturer for the proper operation of equipment served by the system.

Exceptions:

1. Systems that include no more than three control valves.
2. Systems having a total pump system power less than or equal to 1 [1] / 2 HP.

A6.207.2.4.2 Chiller isolation. When a chilled water plant includes more than one chiller, provisions shall be made so that flow through any chiller is automatically shut off when that chiller is shut off while still maintaining flow through other operating chiller(s). Chillers that are piped in series for the purpose of increased temperature differential shall be considered as one chiller.

A6.207.2.4.3 Boiler isolation. When a hot water plant includes more than one boiler, provisions shall be made so that flow through any boiler is automatically shut off when that boiler is shut off while still maintaining flow through other operating boiler(s).

A6.207.2.4.4 Chilled and hot water temperature reset controls. Chilled and hot water systems with a design capacity exceeding 500,000 Btu/hr supplying chilled or heated water (or both) shall include controls that automatically reset supply water temperatures as a function of representative building loads or outside air temperature.

Exception: Hydronic systems that use variable flow to reduce pumping energy in accordance with Section A6.207.2.4.1.

A6.207.2.4.5 Water-cooled air conditioner and hydronic heat pump systems. Water circulation systems serving watercooled air conditioners, hydronic heat pumps or both that have total pump system power exceeding 5 hp shall have flow controls that meet the requirements of Section A6.207.2.4.6. Each air conditioner or heat pump shall have a two-position automatic valve interlocked to shut off water flow when the compressor is off.

A6.207.2.4.6 Variable flow controls.

A6.207.2.4.6.1 Variable speed drives. Individual pumps serving variable flow systems and having a motor horsepower exceeding 5 hp shall have controls and/or devices (such as variable speed control) that will result in pump motor demand of no more than 30 percent of design wattage at 50 percent of design water flow. The pumps shall be controlled as a function of required differential pressure.

A6.207.2.4.6.2 Pressure sensor location and setpoint.

1. For systems without direct digital control of individual coils reporting to the central control panel, differential pressure shall be measured at or near the most remote heat exchanger or the heat exchanger requiring the greatest differential pressure.
2. For systems with direct digital control of individual coils with central control panel, the static pressure set point shall be reset based on the valve requiring the most pressure and the set- point shall be no less than 80 percent open. The pressure sensor(s) may be mounted anywhere.

Exceptions:

1. Heating hot water systems.
2. Condenser water systems serving only water-cooled chillers.

A6.207.2.4.7 Hydronic heat pump (WLHP) controls. Hydronic heat pumps connected to a common heat pump water loop with central devices for heat rejection and heat addition shall have controls that are capable of providing a heat pump water supply temperature dead band of at least 20°F between initiation of heat rejection and heat addition by the central devices.

Exception: Where a system loop temperature optimization controller is used to determine the most efficient operating temperature based on real-time conditions of demand and capacity, dead bands of less than 20°F shall be allowed.

A6.207.2.5 Air distribution system duct leakage sealing. All duct systems shall be sealed to a leakage rate not to exceed 6 percent of the fan flow if the duct system:

A6.207.2.5.1 Is connected to a constant volume, single zone, air conditioners, heat pumps or furnaces; and

A6.207.2.5.2 Serves less than 5,000 square feet of floor area; and

A6.207.2.5.3 Has more than 25 percent duct surface area located in one or more of the following spaces:

1. Outdoors; or

2. In a space directly under a roof where the U -factor of the roof is greater than the U -factor of the ceiling; or Exception: Where the roof meets the requirements of Section 143(a)1C of Title 24, Part 6.

3. In a space directly under a roof with fixed vents or openings to the outside or unconditioned spaces; or

4. In an unconditioned crawlspace; or

5. In other unconditioned spaces.

The leakage rate shall be confirmed through field verification and diagnostic testing, in accordance with procedures set forth in the Reference Nonresidential Appendix NA1 of the California Energy Commission 2008 Building Energy Efficiency Stan- dards for Residential and Nonresidential Buildings.

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A6.207.2.6 Variable air volume control for single zone systems. Effective January 1, 2012, all unitary air conditioning equipment and air-handling units with mechanical cooling capacity at ARI conditions greater than or equal to 110,000 Btu/hr that serve single zones shall be designed for variable supply air volume with their supply fans controlled by two-speed motors, variable speed drives or equipment that has been demonstrated to the Executive Director to use no more energy. The supply fan controls shall modulate down to a minimum of [2] / 3 of the full fan speed or lower at low cooling demand.

A6.207.3 Service water-heating systems and equipment.

A6.207.3.1 Certification by manufacturers. Any service water-heating system or equipment may be installed only if the manufacturer has certified that the system or equipment complies with all of the requirements of this subsection for that system or equipment.

A6.207.3.1.1 Temperature controls for service water-heating systems. Service water-heating systems shall be equipped with automatic temperature controls capable of adjustment from the lowest to the highest acceptable temperature settings for the intended use as listed in Table 2, Chapter 9 of the ASHRAE Handbook, HVAC Applications Volume.

A6.207.3.2 Efficiency. Equipment shall meet the applicable requirements of the Appliance Efficiency Regulations as required by Section A6.210.1, subject to the following:

1. If more than one standard is listed in the Appliance Efficiency Regulations, the equipment shall meet all the standards listed; and
2. If more than one test method is listed in the Appliance Efficiency Regulations, the equipment shall comply with the applicable standard when tested with each test method; and
3. Where equipment can serve more than one function, such as both heating and cooling or both space heating and water heating, it shall comply with all the requirements applicable to each function; and
4. Where a requirement is for equipment rated at its “maximum rated capacity” or “minimum rated capacity,” the capacity shall be as provided for and allowed by the controls, during steady-state operation.

A6.207.3.3 Installation. Any service water-heating system or equipment may be installed only if the system or equipment complies with all of the applicable requirements of this subsection for the system or equipment.

A6.207.3.3.1 Outlet temperature controls. On systems that have a total capacity greater than 167,000 Btu/hr, outlets that require higher than service water temperatures as listed in the ASHRAE Handbook, Applications Volume, shall have separate remote heaters, heat exchangers or boosters to supply the outlet with the higher temperature.

A6.207.3.3.2 Temperature controls for public lavatories. The controls shall limit the outlet temperature to 110°F.

A6.207.3.3.3 Insulation. Unfired service water heater storage tanks and backup tanks for solar water-heating systems shall have:

1. External insulation with an installed R -value of at least R-12; or

2. Internal and external insulation with a combined R -value of at least R-16; or

3. The heat loss of the tank surface based on an 80°F water-air temperature difference shall be less than 6.5 Btu per hour per square foot.

A6.207.3.3.4 Service water heaters in state buildings. Any newly constructed building constructed by the State shall derive its service water heating from a system that provides at least 60 percent of the energy needed for service water heating from site solar energy or recovered energy.

Exception: Buildings for which the state architect determines that service water heating from site solar energy or recovered energy is economically or physically infeasible.

A6.207.4 Natural gas central furnaces, cooking equipment and pool and spa heaters: Pilot lights prohibited.

Any natural gas system or equipment listed below may be installed only if it does not have a continuously burning pilot light:

1. Fan-type central furnaces.

2. Household cooking appliances. Exception: Household cooking appliances without an electrical supply voltage connection and in which each pilot consumes less than 150 Btu/hr.

3. Pool heaters.

4. Spa heaters.

A6.207.5 Controls for space-conditioning systems. Space- conditioning systems shall be installed with controls that comply with the applicable requirements of Subsections A6.207.5.1 through A6.207.5.5.

A6.207.5.1 Thermostatic controls for each zone. The supply of heating and cooling energy to each space-conditioning zone or dwelling unit shall be controlled by an individual thermostatic control that responds to temperature within the zone and that meets the applicable requirements of Section A6.207.5.2.

Exception: An independent perimeter heating or cooling system may serve more than one zone without individual thermostatic controls if:

1. All zones are also served by an interior cooling system;
2. The perimeter system is designed solely to offset envelope heat losses or gains;

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3. The perimeter system has at least one thermostatic control for each building orientation of 50 feet or more; and
4. The perimeter system is controlled by at least one thermostat located in one of the zones served by the system.

A6.207.5.2 Criteria for zonal thermostatic controls. The individual thermostatic controls required by Section A6.207.5.1 shall meet the following requirements as applicable:

1. Where used to control comfort heating, the thermostatic controls shall be capable of being set, locally or remotely, down to 55°F or lower.

2. Where used to control comfort cooling, the thermostatic controls shall be capable of being set, locally or remotely, up to 85°F or higher.

3. Where used to control both comfort heating and comfort cooling, the thermostatic controls shall meet Items 1 and 2 and shall be capable of providing a temperature range or dead band of at least 5°F within which the supply of heating and cooling energy to the zone is shut off or reduced to a minimum. Exception: Systems with thermostats that require manual changeover between heating and cooling modes.

4. Thermostatic controls for all unitary single zone, air conditioners, heat pumps and furnaces, shall comply with the setback thermostat requirements of Section A6.207.1.3 or, if equipped with DDC to the Zone level, with the Automatic Demand Shed Controls of Section A6.207.5.5.

Exception: Systems serving zones that must have constant temperatures to prevent degradation of materials, a process, plants or animals.

A6.207.5.3 Heat pump controls. All heat pumps with supplementary electric resistance heaters shall be installed with controls that comply with Section A6.207.1.2.

A6.207.5.4 Dampers for air supply and exhaust equipment. Outdoor air supply and exhaust equipment shall be installed with dampers that automatically close upon fan shutdown.

Exceptions:

1. Where it can be demonstrated to the satisfaction of the enforcing agency that the equipment serves an area that must operate continuously.

2. Gravity and other nonelectrical equipment that has readily accessible manual damper controls.

3. At combustion air intakes and shaft vents.

4. Where prohibited by other provisions of law.

A6.207.5.5 Automatic demand shed controls. HVAC systems with DDC to the Zone level shall be programmed to allow centralized demand shed for noncritical zones as follows:

1. The controls shall have a capability to remotely setup the operating cooling temperature set points by 4 degrees or more in all noncritical zones on signal from a centralized contact or software point within an Energy Management Control System (EMCS).
2. The controls shall remotely set down the operating heating temperature set points by 4 degrees or more in all noncritical zones on signal from a centralized contact or software point within an EMCS.
3. The controls shall have capabilities to remotely reset the temperatures in all noncritical zones to original operating levels on signal from a centralized contact or software point within an EMCS.
4. The controls shall be programmed to provide an adjustable rate of change for the temperature setup and reset.

A6.207.6 Pipe insulation. The piping for all space- conditioning and service water-heating systems with fluid temperatures listed in Table A6.207.6-A shall have the amount of insulation specified in Subsection A6.207.6.1 or A6.207.6.2. Insulation conductivity shall be determined in accordance with ASTM C335 at the mean temperature listed in Table A6.207.6-A and shall be rounded to the nearest 1 / 100 Btu-inch per hour per square foot per °F.

space- conditioning and service water-heating systems with fluid temperatures listed in Table A6.207.6-A shall have the amount of insulation specified in Subsection A6.207.6.1 or A6.207.6.2. Insulation conductivity shall be determined in accordance with ASTM C335 at the mean temperature listed in Table A6.207.6-A and shall be rounded to the nearest 1 / 100 Btu-inch per hour per square foot per °F.

Insulation shall be protected from damage, including that due to sunlight, moisture, equipment maintenance and wind, including but not limited to, the following:

Insulation exposed to weather shall be suitable for outdoor service, e.g., protected by aluminum, sheet metal, painted canvas or plastic cover. Cellular foam insulation shall be protected as above or painted with a coating that is water retardant and provides shielding from solar radiation that can cause degradation of the material.

Insulation covering chilled water piping and refrigerant suction piping located outside the conditioned space shall include a vapor retardant located outside the insulation (unless the insulation is inherently vapor retardant), all penetrations and joints of which shall be sealed.

Exceptions:

1. Factory-installed piping within space-conditioning equipment certified under Section A6.210.1 or A6.207.1.
2. Piping that conveys fluids with a design operating temperature range between 60°F and 105°F.
3. Piping that serves process loads, gas piping, cold domestic water piping, condensate drains, roof drains, vents or waste piping.
4. Where the heat gain or heat loss to or from piping without insulation will not increase building source energy use.

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5. Piping that penetrates framing members shall not be required to have pipe insulation for the distance of the framing penetration. Metal piping that penetrates metal framing shall use grommets, plugs, wrapping or other insulating material to assure that no contact is made with the metal framing.

TABLE A6.207.6-A—PIPE INSULATION THICKNESS

A6.207.6.1 For insulation with a conductivity in the range shown in Table A6.207.6-A for the applicable fluid temperature range, the insulation shall have the applicable thickness shown in Table A6.207.6-A.

A6.207.6.2 For insulation with a conductivity outside the range shown in Table A6.207.6-A for the applicable fluid temperature range, the insulation shall have a minimum thickness as calculated with Equation A6.207.6-A below.

— EQUATION A6.207.6-A INSULATION THICKNESS EQUATION

K

[-] k [-]

T = PR 1 + ------ PRt – 1

where:

T = Minimum insulation thickness for material with conductivity K, inches.

PR = Pipe actual outside radius, inches.

t = Insulation thickness from Table A6.207.6-A, inches.

K = Conductivity of alternate material at the mean rating temperature indicated in Table A6.207.6-A, for the applicable fluid temperature range, in Btu-inch per hour per square foot per °F.

k = The lower value of the conductivity range listed in Table A6.207.6-A, for the applicable fluid temperature range, Btu-inch per hour per square foot per °F.

A6.208

RESERVED

A6.209 [OSHPD 1, 2 & 4] LIGHTING

A6.209.1 Lighting control devices, ballasts and luminaires. Any lighting control device, ballast or luminaire subject to the requirements of Section A6.209 shall be installed only if the manufacturer has certified to the Commission that the device complies with all of the applicable requirements of Section A6.209.

Lighting control devices may be individual devices or systems consisting of two or more components. For control systems consisting of two or more components, such as an Energy Management Control System (EMCS), the manufacturer of the control system shall certify each of the components required for the system to comply with Section A6.209.

A6.209.1.1 All devices: Instructions for installation and calibration. The manufacturer shall provide step-by-step instructions for installation and start-up calibration of the device.

A6.209.1.2 Indicator lights. Indicator lights integral to lighting control devices shall consume no more than one watt of power per indicator light.

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A6.209.1.3 Automatic time switch control devices. Automatic time switch control devices or system shall:

1. Be capable of programming different schedules for weekdays and weekends; and

2. Have program backup capabilities that prevent the loss of the device’s schedules for at least 7 days and the device’s time and date setting for at least 72 hours if power is interrupted. A6.209.1.4 Occupant sensors, motion sensors and vacancy sensors. Occupant sensors, motion sensors and vacancy sensors shall be capable of automatically turning off all the lights in an area no more than 30 minutes after the area has been vacated and shall have a visible status signal that indicates that the device is operating properly or that it has failed or malfunctioned. The visible status signal may have an override switch that turns the signal off. In addition, ultrasonic and microwave devices shall have a built-in mechanism that allows calibration of the sensitivity of the device to room movement in order to reduce the false sensing of occupants and shall comply with either Subsection A6.209.1.4.1 or A6.209.1.4.2 below, as applicable: A6.209.1.4.1 If the device emits ultrasonic radiation as a signal for sensing occupants within an area, the device shall:

3. Have had a Radiation Safety Abbreviated Report submitted to the Center for Devices and Radiological Health, Federal Food and Drug Administration, under 21 Code of Federal Regulations, Section 1002.12 (1996) and a copy of the report shall have been submitted to the California Energy Commission; and

4. Emit no audible sound; and

5. Not emit ultrasound in excess of the decibel (dB) values shown in Table A6.209.1-A, measured no more than 5 feet from the source, on axis.

A6.209.1.4.2 If the device emits microwave radiation as a signal for sensing occupants within the area, the device shall:

1. Comply with all applicable provisions in 47 Code of Federal Regulations, Parts 2 and 15 (1996) and have an approved Federal Communications Commission Identifier that appears on all units of the device and that has been submitted to the California Energy Commission; and
2. Not emit radiation in excess of 1 milliwatt per square centimeter measured at no more than 5 centimeters from the emission surface of the device; and

le provisions in 47 Code of Federal Regulations, Parts 2 and 15 (1996) and have an approved Federal Communications Commission Identifier that appears on all units of the device and that has been submitted to the California Energy Commission; and 2. Not emit radiation in excess of 1 milliwatt per square centimeter measured at no more than 5 centimeters from the emission surface of the device; and

3. Have permanently affixed to it installation instructions recommending that it be installed at least 12 inches from any area normally used by room occupants. A6.209.1.5 Multilevel occupant sensor. Multilevel occupant sensors shall have an automatic OFF function that turns off all the lights and either an automatic or a manually controlled ON function capable of meeting all the multilevel and uniformity requirements of Section A6.209.2.2 for the controlled lighting. The first stage shall be capable of activating between 30–70 percent of the lighting power in a room either through an automatic or manual action and may be a switching or dimming system. After that event occurs the device shall be capable of all of the following actions when manually called to do so by the occupant:
4. Activating the alternate set of lights.
5. Activating 100 percent of the lighting power.
6. Deactivating all lights. A6.209.1.6 Automatic daylighting control devices. Automatic daylighting control devices used to control lights in daylit zones shall:
7. Be capable of reducing the power consumption of the general lighting in the controlled area by at least two thirds in response to the availability of daylight; and
8. If the device is a dimmer controlling incandescent or fluorescent lamps, provide electrical outputs to lamps for reduced flicker operation through the dimming range, so that the light output has an amplitude modulation of less than 30 percent for frequencies less than 200 Hz and without causing premature lamp failure; and
9. If the devices reduce lighting in control steps, incorporate time-delay circuits to prevent cycling of light level changes of less than 3 minutes and have a manual or automatic means of adjusting the deadband to provide separation of on and off points for each control step; and
10. If the device is placed in calibration mode, automatically restore its time delay settings to normal operation programmed time delays after no more than 60 minutes; and
11. Have a setpoint control that easily distinguishes settings to within 10 percent of full scale adjustment; and
12. Have a light sensor that has a linear response with 5 percent accuracy over the range of illuminance measured by the light sensor; and
13. Have a light sensor that is physically separated from where calibration adjustments are made or is capable of being calibrated in a manner that the person initiating calibration is remote from the sensor during calibration to avoid influencing calibration accuracy. A6.209.1.7 Interior photosensors. Interior photosensor shall not have a mechanical slide cover or other device that permits easy unauthorized disabling of the control and shall not be incorporated into a wall-mounted occupant-sensor. A6.209.1.8 Multilevel astronomical time-switch controls. Multilevel astronomical time-switch controls used to control lighting in daylit zones shall:
14. Contain at least two separately programmable steps per zone that reduces illuminance in a relatively uniform manner as specified in Section A6.209.2.2; and
15. Have a separate offset control for each step of 1 to 240 minutes; and
16. Have sunrise and sunset prediction accuracy within +/- 15 minutes and timekeeping accuracy within 5 minutes per year; and

to control lighting in daylit zones shall:

1. Contain at least two separately programmable steps per zone that reduces illuminance in a relatively uniform manner as specified in Section A6.209.2.2; and
2. Have a separate offset control for each step of 1 to 240 minutes; and
3. Have sunrise and sunset prediction accuracy within +/- 15 minutes and timekeeping accuracy within 5 minutes per year; and

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4. Store astronomical time parameters (used to develop longitude, latitude, time zone) for at least 7 days if power is interrupted; and
5. Display date/time, sunrise and sunset and switching times for each step; and
6. Have an automatic daylight savings time adjustment; and
7. Have automatic time switch capabilities specified in Section A6.209.1.3.

A6.209.1.9 Outdoor astronomical time-switch controls. Outdoor astronomical time-switch controls used to control outdoor lighting as specified in Section A6.209.3.3 shall:

1. Contain at least two separately programmable steps per function area; and

2. Have the ability to independently offset the on and off times for each channel by 0 to 99 minutes before or after sunrise or sunset; and

3. Have sunrise and sunset prediction accuracy within +/- 15 minutes and timekeeping accuracy within 5 minutes per year; and

4. Store astronomical time parameters (used to develop longitude, latitude, time zone) for at least 7 days if power is interrupted; and

5. Display date/time, sunrise and sunset; and

6. Have an automatic daylight savings time adjustment; and

7. Have automatic time switch capabilities specified in Section A6.209.1.3.

A6.209.1.10 Dimmers. Dimmers used to control lighting shall:

1. Be capable of reducing power consumption by a minimum of 65 percent when the dimmer is at its lowest light level; and

2. If the device is a dimmer controlling incandescent or fluorescent lamps, provide electrical outputs to lamps for reduced flicker operation through the dimming range, so that the light output has an amplitude modulation of less than 30 percent for frequencies less than 200 Hz and without causing premature lamp failure; and

3. Be listed by a rating lab recognized by the International Code Council (ICC) as being in compliance with Underwriters Laboratories Standards; and

4. If the device is a wall box dimmer designed to be used in a three- or more-way circuit with nondimmable switches, the level set by the dimmer, shall not be overridden by any of the switches in the circuit. The dimmer and all of the switches in the circuit shall have the capability of turning lighting OFF if it is ON and turning lighting ON to the level set by the dimmer if the lighting is OFF. Any wall box dimmer that is connected to a system with an emergency override function shall be controlled by the emergency override.

5. If the device is a stepped dimmer, it shall include an off position to turn lights completely off.

switches in the circuit shall have the capability of turning lighting OFF if it is ON and turning lighting ON to the level set by the dimmer if the lighting is OFF. Any wall box dimmer that is connected to a system with an emergency override function shall be controlled by the emergency override. 5. If the device is a stepped dimmer, it shall include an off position to turn lights completely off.

TABLE A6.209.1-A—ULTRASOUND MAXIMUM DECIBEL VALUES

A6.209.2 Indoor lighting controls

A6.209.2.1 Area controls.

A6.209.2.1.1 Each area enclosed by ceiling-height partitions shall have an independent switching or control device. This switching or control device shall be:

1. Readily accessible; and

2. Located so that a person using the device can see the lights or area controlled by that switch or so that the area being lit is annunciated; and

3. Manually operated or automatically controlled by an occupant-sensor that meets the applicable requirements of Section A6.209.1.

A6.209.2.1.2 Other devices may be installed in conjunction with the switching or control device provided that they:

1. Permit the switching or control device to manually turn the lights off in each area enclosed by ceiling-height partitions; and

2. Reset the mode of any automatic system to normal operation without further action.

Exception 1 to Section A6.209.2.1: Up to 0.3 watts per square foot of lighting in any area within a building that must be continuously illuminated for reasons of building security or emergency egress, if:

1. The area is designated a security or emergency egress area on the plans and specifications submitted to the enforcement agency under Section 10-103(a)2 of Title 24, Part 1; and
2. The security or egress lighting is controlled by switches accessible only to authorized personnel.

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Exception 2 to Section A6.209.2.1: Public areas with switches that are accessible only to authorized personnel.

A6.209.2.2 Multilevel lighting controls. The general lighting of any enclosed space 100 square feet or larger and has a connected lighting load that exceeds 0.8 watts per square foot, shall have multilevel lighting controls. Multilevel controls shall have at least one control step that is between 30 percent and 70 percent of design lighting power and allow the power of all lights to be manually turned off. A reasonably uniform level of illuminance shall be achieved by any of the following:

1. Continuous or stepped dimming of all lamps or luminaires; or
2. Switching alternate lamps in luminaires, alternate luminaires and alternate rows of luminaires.

Exceptions:

1. Lights in corridors.
2. A space that has only one luminaire with no more than two lamps.

A6.209.2.3 Daylight areas.

A6.209.2.3.1 Daylight areas shall be defined as follows:

A6.209.2.3.1.1 Daylight area. The total daylight area shall not double count overlapping areas with any primary sidelit daylight area, secondary sidelit daylight area or skylit daylight area.

A6.209.2.3.1.2 Daylight area, primary sidelit is the combined primary sidelit area without double counting overlapping areas. The floor area for each primary sidelit area is directly adjacent to vertical glazing below the ceiling with an area equal to the product of the sidelit width and the primary sidelit depth.

The primary sidelit width is the width of the window plus, on each side, the smallest of:

1. 2 feet; or

2. The distance to any 5 feet or higher permanent vertical obstruction.

The primary sidelit depth is the horizontal distance perpendicular to the glazing which is the smaller of:

1. One window head height; or
2. The distance to any 5 feet or higher permanent vertical obstruction.

A6.209.2.3.1.3 Daylight area, secondary sidelit is the combined secondary sidelit area without double counting overlapping areas. The floor area for each secondary sidelit area is directly adjacent to primary sidelit area with an area equal to the product of the sidelit width and the secondary sidelit depth.

The secondary sidelit width is the width of the window plus, on each side, the smallest of:

1. 2 feet; or
2. The distance to any 5 feet or higher permanent vertical obstruction; or
3. The distance to any skylit daylight area.

The secondary sidelit depth is the horizontal distance perpendicular to the glazing which begins from one window head height and ends at the smaller of:

1. Two window head heights;
2. The distance to any 5 feet or higher permanent vertical obstruction; or
3. The distance to any skylit daylight area.

A6.209.2.3.1.4 Daylight area, skylit is the combined daylight area under each skylight without double counting overlapping areas. The daylight area under each skylight is bounded by the rough opening of the skylight, plus horizontally in each direction the smallest of:

1. 70 percent of the floor-to-ceiling height; or
2. The distance to any primary sidelit area or the daylight area under rooftop monitors; or
3. The distance to any permanent partition or permanent rack which is farther away than 70 percent of the distance between the top of the permanent partition or permanent rack and the ceiling.

A6.209.2.3.2 Luminaires providing general lighting that are in or are partially in the skylit daylight area and/or the primary sidelit daylight area shall be controlled as follows:

A6.209.2.3.2.1 Primary sidelit and skylit daylight areas shall have at least one lighting control that:

1. Controls at least 50 percent of the general lighting power in the primary sidelit and skylit daylight areas separately from other lighting in the enclosed space.
2. Controls luminaires in primary sidelit areas separately from skylit areas.

Exception: Primary sidelit and skylit daylight areas that have a combined area totaling less than or equal to 250 square feet within any enclosed space.

A6.209.2.3.2.2 For all skylit daylight areas:

1. The skylit daylight area shall be shown on the plans.
2. All of the general lighting in the skylit area shall be controlled independently by an automatic daylighting control device that meets the applicable requirements of Section A6.209.1.

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3. The automatic daylighting control shall be installed in accordance with Section A6.209.2.3.2.4.

Exceptions:

1. Where the total skylit daylight area in any enclosed space is less than or equal to 2,500 square feet.
2. Skylit daylight areas where existing adjacent structures obstruct direct beam sunlight for at least 6 hours per day during the equinox as calculated using computer or graphical methods.
3. When the skylight effective aperture is greater than 4.0 percent and all general lighting in the skylit area is controlled by a multilevel astronomical time switch that meets the requirements of Section A6.209.1.8 and that has an override switch that meets the requirements of Section A6.209.2.4.2.
4. Skylit daylight areas where the effective aperture is less than 0.006. The effective aperture for skylit daylight areas is specified in Section 146(a)2E of Title 24, Part 6.

A6.209.2.3.2.3 The primary sidelit area(s) shall be shown on the plans and the general lighting in the primary sidelit areas shall be controlled independently by an automatic daylighting control device that meets the applicable requirements of Section A6.209.1 and is installed in accordance with Section A6.209.2.3.2.4.

Exceptions:

1. Where the total primary sidelit daylight area in any enclosed space has an area less than or equal to 2,500 square feet.

2. Primary sidelit daylight areas where the effective aperture is less than 0.1. The effective aperture for primary sidelit daylight areas is specified in Section 146(a)2E of Title 24, Part 6.

3. Primary sidelit daylight areas where existing adjacent structures are twice as tall as their distance away from the windows.

4. Parking garages.

A6.209.2.3.2.4 Automatic daylighting control device installation and operation. Automatic daylighting control devices shall be installed and configured to operate according to all of the following requirements:

1. Automatic daylighting control devices shall have photosensors that are located so that they are not readily accessible in accordance with the designer’s or manufacturer’s instructions.
2. The location where calibration adjustments are made to the automatic daylighting control device shall be readily accessible to authorized personnel or located within 2 feet of a ceiling access panel that is no higher than 11 feet above floor level.

s shall have photosensors that are located so that they are not readily accessible in accordance with the designer’s or manufacturer’s instructions. 2. The location where calibration adjustments are made to the automatic daylighting control device shall be readily accessible to authorized personnel or located within 2 feet of a ceiling access panel that is no higher than 11 feet above floor level.

3. Automatic daylighting controls shall be multilevel, including continuous dimming and have at least one control step that is between 50 percent to 70 percent of rated power of the controlled lighting. Exceptions:

4. Controlled lighting having a lighting power density less than 0.3 W/ft [2] .

5. When skylights are replaced or added to on an existing building with an existing general lighting system.

6. Under all daylight conditions in all areas served by the controlled lighting, the combined illuminance from the controlled lighting and daylight is not less than the illuminance from controlled lighting when no daylight is available.

7. When all areas served by the controlled lighting are receiving daylight illuminance levels greater than 150 percent of the illuminance from controlled lighting when no daylight is available, the controlled lighting power consumption shall be no greater than 35 percent of the rated power of the controlled lighting.

A6.209.2.4 Shut-off controls.

A6.209.2.4.1 In addition to the manual controls installed to comply with Sections A6.209.2.1 and A6.209.2.2 for every floor, all indoor lighting systems shall be equipped with separate automatic controls to shut off the lighting. These automatic controls shall meet the requirements of Section A6.209.1and may be an occupant sensor, automatic time switch or other device capable of automatically shutting off the lighting.

Exceptions:

1. Where the lighting system is serving an area that must be continuously lit, 24 hours per day/365 days per year.
2. Lighting in corridors, guestrooms, dwelling units of high-rise residential buildings and hotel/motels and parking

garages. 3. Up to 0.3 watts per square foot of lighting in any area within a building that must be continuously illuminated for reasons of building security or emergency egress, provided that the area is designated a security or emergency egress area on the plans and specifications submitted to the enforcement agency under Section 10-103(a)2 of Title 24, Part 1.

A6.209.2.4.2 If an automatic control device is installed to comply with Section A6.209.2.4.1, it shall incorporate an override switching device that:

1. Is readily accessible; and
2. Is located so that a person using the device can see the lights or the area controlled by that switch or so that the area being lit is annunciated; and

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3. Is manually operated; and
4. Allows the lighting to remain on for no more than 2 hours when an override is initiated; and Exception: In malls, auditoriums, single tenant retail spaces, industrial facilities and arenas, where captive-key override is utilized, override time may exceed 2 hours.
5. Controls an area enclosed by ceiling height partitions not exceeding 5,000 square feet. Exception: In malls, auditoriums, single tenant retail spaces, industrial facilities, convention centers and arenas, the area controlled may not exceed 20,000 square feet.

A6.209.2.4.3 If an automatic time switch control device is installed to comply with Section A6.209.2.4.1, it shall incorporate an automatic holiday “shut-off” feature that turns off all loads for at least 24 hours and then resumes the normally scheduled operation.

Exception: Retail stores and associated malls, restaurants, grocery stores, churches and theaters.

A6.209.2.4.4 Offices 250 square feet or smaller; multipurpose rooms of less than 1,000 square feet and classrooms and conference rooms of any size, shall be equipped with occupant sensor(s) to shut off the lighting. In addition, controls shall be provided that allow the lights to be manually shut off in accordance with Section A6.209.2.1 regardless of the sensor status.

A6.209.3 Outdoor lighting controls and equipment.

A6.209.3.1 Outdoor lighting. All permanently installed outdoor luminaires employing lamps rated over 100 watts shall either have a lamp efficacy of at least 60 lumens per watt or be controlled by a motion sensor.

Exceptions:

1. Lighting required by a health or life safety statute ordinance or regulation, including but not limited to, emergency lighting.

2. Lighting used in or around swimming pools, water features or other locations subject to Article 680 of Title 24, Part 3, California Electrical Code.

3. Searchlights.

4. Theme lighting for use in theme parks.

5. Lighting for film or live performances.

6. Temporary outdoor lighting.

7. Light emitting diode, light emitting capacitors, neon and cold cathode lighting.

8. Sign lighting.

A6.209.3.2 Luminaire cutoff requirements. All outdoor luminaires that use lamps rated greater than 175 watts in hardscape areas including parking lots, building entrances, sales and nonsales canopies and all outdoor sales areas shall be designated Cutoff for light distribution. To comply with this requirement, the luminaire shall be rated Cutoff in a photometric test report that includes any tilt or other nonlevel mounting condition of the installed luminaire. Cutoff is a luminaire light distribution classification where the candela per 1000 lamp lumens does not numerically exceed 25 at or above a vertical angle of 90 degrees above nadir and 100 at or above a vertical angle of 80 degrees above nadir. Nadir is in the direction of straight down, as would be indicated by a plumb line. 90 degrees above nadir is horizontal. 80 degrees above nadir is 10 degrees below horizontal.

Exceptions:

1. Signs.

2. Lighting for building facades, public monuments, statues and vertical surfaces of bridges.

3. Lighting required by a health or life safety statute ordinance or regulation, including but not limited to, emergency lighting.

4. Temporary outdoor lighting.

5. Lighting used in or around swimming pools, water features or other locations subject to Article 680 of the California Electrical Code.

6. Replacement of existing pole mounted luminaires in hardscape areas meeting all of the following conditions:

7. Where the existing luminaire does not meet the luminaire cutoff requirements in A6.209.3.2; and

8. Spacing between existing poles is greater than 6 times the mounting height of the existing luminaires; and

9. Where no additional poles are being added to the site; and

10. Where new wiring to the luminaires is not being installed; and

11. Provided that the connected lighting power wattage is not increased.

A6.209.3.3 Controls for outdoor lighting.

A6.209.3.3.1 All permanently installed outdoor lighting shall be controlled by a photocontrol or astronomical time switch that automatically turns off the outdoor lighting when daylight is available.

Exception: Lighting in tunnels and large covered areas that require illumination during daylight hours.

A6.209.3.3.2 For lighting of building facades, parking lots, sales and nonsales canopies, all outdoor sales areas and student pick-up/drop-off zones where two or more luminaires are used, an automatic time switch shall be installed that is capable of (1) turning off the lighting when not needed and (2) reducing the lighting power (in watts) by at least 50 percent but not exceed

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ing 80 percent or providing continuous dimming through a range that includes 50 percent through 80 percent reduction. This control shall meet the requirements of Section A6.209.1.3.

Exceptions:

1. Lighting required by a health or life safety statute ordinance or regulation, including but not limited to, emergency lighting.
2. Lighting for steps or stairs that require illumination during daylight hours.
3. Lighting that is controlled by a motion sensor and photocontrol.
4. Lighting for facilities that have equal lighting requirements at all hours and are designed to operate continuously.
5. Temporary outdoor lighting.
6. Signs.

A6.209.4 Outdoor lighting. This section applies to all outdoor lighting, whether attached to buildings, poles, structures or selfsupporting, including but not limited to, hardscape areas including parking lots, lighting for building entrances, sales and nonsales canopies; lighting for all outdoor sales areas; and lighting for building facades.

Exceptions: When more than 50 percent of the light from a luminaire falls on one or more of the following applications, the lighting power for that luminaire shall be exempt from Section A6.209.4.2.

1. Temporary outdoor lighting.

2. Lighting required and regulated by the Federal Aviation Administration and the Coast Guard.

3. Lighting for public streets, roadways, highways and traffic signage lighting, including lighting for driveway entrances occurring in the public right-of-way.

4. Lighting for sports and athletic fields and children’s playground.

5. Lighting for industrial sites, including but not limited to, rail yards, maritime shipyards and docks, piers and marinas, chemical and petroleum processing plants and aviation facilities.

6. Lighting specifically for automated teller machines as required by California Financial Code Section 13040 or required by law through a local ordinance.

7. Lighting of public monuments.

8. Signs shall meet the requirements of Section A6.209.5.

9. Lighting used in or around swimming pools, water features or other locations subject to Article 680 of Title 24, Part 3, California Electrical Code.

10. Lighting of tunnels, bridges, stairs, wheelchair elevator lifts for American with Disabilities Act (ADA) compliance and ramps that are other than parking garage ramps.

11. Landscape lighting.

12. In theme parks: outdoor lighting for themes and special effects.

13. Lighting for outdoor theatrical and other outdoor live performances, provided that these lighting systems are additions to area lighting systems and are controlled by a multiscene or theatrical cross-fade control station accessible only to authorized operators.

14. Outdoor lighting systems for qualified historical buildings, as defined in Title 24, Part 8, California Historical Building Code, if they consist solely of historical lighting components or replicas of historical lighting components. If lighting systems for qualified historical buildings contain some historical lighting components or replicas of historical components, combined with other lighting components, only those historical or historical replica components are exempt. All other outdoor lighting systems for qualified historical buildings shall comply with Section A6.209.4.

A.5.209.4.1 Outdoor lighting power trade-offs. Outdoor lighting power trade-offs shall be determined as follows:

1. Allowed lighting power determined according to Section A6.209.4.4.1 for general hardscape lighting allowance may be traded to specific applications in Section A6.209.4.4.2, provided the hardscape area from which the lighting power is traded continues to be illuminated in accordance with Section A6.209.4.4.1.1.

power trade-offs.** Outdoor lighting power trade-offs shall be determined as follows:

1. Allowed lighting power determined according to Section A6.209.4.4.1 for general hardscape lighting allowance may be traded to specific applications in Section A6.209.4.4.2, provided the hardscape area from which the lighting power is traded continues to be illuminated in accordance with Section A6.209.4.4.1.1.

2. Allowed lighting power determined according to Section A6.209.4.4.2 for additional lighting power allowances for specific applications shall not be traded between specific applications or to hardscape lighting in Section A6.209.4.4.1.

3. Allowed lighting power determined according to Section A6.209.4.4.3 for additional lighting power allowances for local ordinance shall not be traded to specific applications in Section A6.209.4.4.2 or to hardscape areas not covered by the local ordinance.

4. Trading off lighting power allowances between outdoor and indoor areas shall not be permitted.

A6.209.4.2 Outdoor lighting power. An outdoor lighting installation complies with this section if the actual outdoor lighting power installed is no greater than the allowed outdoor lighting power calculated under Section A6.209.4.4 The allowed outdoor lighting shall be calculated by Lighting Zone as defined in Section 10-114 of Title 24, Part 1. Local governments may amend lighting zones in compliance with Section 10-114 of Title 24, Part 1.

A6.209.4.3 Calculation of actual lighting power. The wattage of outdoor luminaires shall be determined in accordance with Section 130(d) of Title 24, Part 6.

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A6.209.4.4 Calculation of allowed lighting power. The allowed lighting power shall be the combined total of the sum of the general hardscape lighting allowance determined in accordance with Section A6.209.4.4.1, the sum of the additional lighting power allowance for specific applications determined in accordance with Section A6.209.4.4.2 and the sum of the additional lighting power allowances for local ordinance determined in accordance with Section A6.209.4.4.3.

A6.209.4.4.1 General hardscape lighting allowance. Determine the general hardscape lighting power allowances as follows:

A6.209.4.4.1.1 The general hardscape area of a site shall include parking lot(s), roadway(s), driveway(s), sidewalk(s), walkway(s), bikeway(s), plaza(s) and other improved area(s) that are illuminated. In plan view of the site, determine the illuminated hardscape area, which is defined as any hardscape area that is within a square pattern around each luminaire or pole that is ten times the luminaire mounting height with the luminaire in the middle of the pattern, less any areas that are within a building, beyond the hardscape area, beyond property lines or obstructed by a structure. The illuminated hardscape area shall include portions of planters and landscaped areas that are within the lighting application and are less than or equal to 10 feet wide in the short dimensions and are enclosed by hardscape or other improvement on at least three sides. Multiply the illuminated hardscape area by the Area Wattage Allowance (AWA) from Table A6.209.4-A for the appropriate Lighting Zone.

TABLE A6.209.4-A —GENERAL HARDSCAPE LIGHTING POWER ALLOWANCE

A6.209.4.4.1.2 Determine the perimeter length of the general hardscape area. The total perimeter shall not include portions of hardscape that is not illuminated according to Section A6.209.4.4.1.1 Multiply the hardscape perimeter by the Linear Wattage Allowance (LWA) for hardscape from Table A6.209.4-A for the appropriate lighting zone. The perimeter length for hardscape around landscaped areas and permanent planters shall be determined as follows:

1. Landscaped areas completely enclosed within the hardscape area and which have width or length less than 10 feet wide, shall not be added to the hardscape perimeter length.
2. Landscaped areas completely enclosed within the hardscape area and which width or length are a minimum of 10 feet wide, the perimeter of the landscaped areas or permanent planter shall be added to the hardscape perimeter length.
3. Landscaped edges that are not abutting the hardscape shall not be added to the hardscape perimeter length.

A6.209.4.4.1.3 Determine the Initial Wattage Allowance (IWA) for general hardscape lighting from Table A.209.4-A for the appropriate lighting zone. The hardscape area shall be permitted one IWA per site.

A6.209.4.4.1.4 The general hardscape lighting allowance shall be the sum of the allowed watts determined from Sections A6.209.4.4.1.1, A6.209.4.4.1.2 and A6.209.4.4.1.3 above.

A6.209.4.4.2 Additional lighting power allowance for specific applications. Additional lighting power for specific applications shall be the smaller of the additional lighting allowances for specific applications determined in accordance with Table A6.209.4-B for the appropriate lighting zone or the actual installed lighting power meeting the requirements for the allowance.

TABLE A6.209.4-B—ADDITIONAL LIGHTING POWER ALLOWANCE FOR SPECIFIC APPLICATIONS
All area and distance measurements in plan view unless otherwise noted

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TABLE A6.209.4-B—ADDITIONAL LIGHTING POWER ALLOWANCE FOR SPECIFIC APPLICATIONS
All area and distance measurements in plan view unless otherwise noted—continued

TABLE A6.209.4-B—ADDITIONAL LIGHTING POWER ALLOWANCE FOR SPECIFIC APPLICATIONS
All area and distance measurements in plan view unless otherwise noted—continued

A6.209.4.4.3 Additional lighting power allowance for local ordinance requirements. For hardscape areas, including parking lots, site roadways, driveways, sidewalks, walkways or bikeways, when specific light levels are required by law through a local ordinance and provided the local ordinance meets Section 10-114 of Title 24, Part 1, additional lighting power for those hardscape areas covered by the local ordinance requirement shall be the smaller of the additional lighting allowances for local ordinance determined from Table A6.209.4-C for the appropriate lighting zone or the actual installed lighting power meeting the requirements for the allowance.

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A6.209.5 Signs. This section applies to all internally illuminated and externally illuminated signs, unfiltered light emitting diodes (LEDs) and unfiltered neon, both indoor and outdoor. Each sign shall comply with either Subsection A6.209.5.1 or A6.209.5.2, as applicable.

A6.209.5.1 Maximum allowed lighting power.

A6.209.5.1.1 For internally illuminated signs, the maximum allowed lighting power shall not exceed the product of the illuminated sign area and 12 watts per square foot. For double-faced signs, only the area of a single face shall be used to determine the allowed lighting power.

A6.209.5.1.2 For externally illuminated signs, the maximum allowed lighting power shall not exceed the product of the illuminated sign area and 2.3 watts per square foot. Only areas of an externally lighted sign that are illuminated without obstruction or interference, by one or more luminaires, shall be used.

A6.209.5.2 Alternate lighting sources. The sign shall comply if it is equipped only with one or more of the following light sources:

A6.209.5.2.1 High pressure sodium lamps; or

A6.209.5.2.2 Metal halide lamps that are:

1. Pulse start or ceramic served by a ballast that has a minimum efficiency of 88 percent or greater or
2. Pulse start that are 320 watts or smaller, are not 250 watt or 175 watt lamps and are served by a ballast that has a minimum efficiency of 80 percent.

Where ballast efficiency is the measured output wattage to the lamp divided by the measured operating input wattage when tested according to ANSI C82.6-2005; or

A6.209.5.2.3 Neon or cold cathode lamps with transformer or power supply efficiency greater than or equal to the following:

1. A minimum efficiency of 75 percent when the transformer or power supply rated output current is less than 50 mA; or
2. A minimum efficiency of 68 percent when the transformer or power supply rated output current is 50 mA or greater.

Where the ratio of the output wattage to the input wattage is at 100-percent tubing load; or

A6.209.5.2.4 Fluorescent lamps with a minimum color rendering index (CRI) of 80; or

A6.209.5.2.5 Light emitting diodes (LEDs) with a power supply having an efficiency of 80 percent or greater; or

Exception: Single voltage external power supplies that are designed to convert 120 volt AC input into lower voltage DC or AC output and have a nameplate output power less than or equal to 250 watts, shall comply with the applicable requirements of the Appliance Efficiency Regulations, Title 20.

A6.209.5.2.6 Compact fluorescent lamps that do not contain medium screw base sockets (E24/E26); or

A6.209.5.2.7 Electronic ballasts with a fundamental output frequency not less than 20 kHz;

Exception 1 to Section A6.209.5: Unfiltered incandescent lamps that are not part of an electronic message center (EMC), an internally illuminated sign or an externally illuminated sign.

Exception 2 to Section A6.209.5: Exit signs. Exit signs shall meet the requirements of the Appliance Efficiency Regulations.

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

APPENDIX A6.1 — VOLUNTARY STANDARDS FOR HEALTH FACILITIES [OSHPD 1, 2 & 4]

Exception 3 to Section A6.209.5: Traffic Signs. Traffic signs shall meet the requirements of the Appliance Efficiency Regulations.

A6.209.6 Sign lighting controls. All signs with permanently connected lighting shall meet the requirements below:

1. Automatic time switch control. All signs with permanently connected lighting shall be controlled with an automatic time switch control that complies with the applicable requirements of Section A6.209.1.
2. Photocontrol or outdoor astronomical time switch control. All outdoor signs shall be controlled with a photocontrol or outdoor astronomical time switch control.

l meet the requirements below:

1. Automatic time switch control. All signs with permanently connected lighting shall be controlled with an automatic time switch control that complies with the applicable requirements of Section A6.209.1.
2. Photocontrol or outdoor astronomical time switch control. All outdoor signs shall be controlled with a photocontrol or outdoor astronomical time switch control.

Exception: Outdoor signs in tunnels and large covered areas that require illumination during daylight hours. 3. Dimming. All outdoor signs shall be controlled with a dimmer that provides the ability to automatically reduce sign power by a minimum of 65 percent during nighttime hours. Exceptions:

1. Signs that are illuminated for less than 1 hour per day during daylight hours.
2. Outdoor signs in tunnels and large covered areas that require illumination during daylight hours.
3. Metal halide, high pressure sodium, cold cathode and neon lamps used to illuminated signs or parts of signs.
4. Demand Responsive Electronic Message Center Control. An Electronic Message Center (EMC) having a new connected lighting power load greater than 15 kW shall have a control installed that is capable of reducing the lighting power by a minimum of 30 percent when receiving a demand response signal that is sent out by the local utility.
5. EMCs required by a health or life safety statue ordinance or regulation, including but not limited to exit signs and traffic signs.

A6.209.7 Nonresidential lighting control acceptance. Before an occupancy permit is granted for a new building or space or a new lighting system serving a building, space or site is operated for normal use, all indoor and outdoor lighting controls serving the building, space or site shall be certified as meeting the Acceptance Requirements for Code Compliance. A Certificate of Acceptance shall be submitted to the enforcement agency under Section 10-103(a) of Title 24, Part 1, that:

1. Certifies that plans, specifications, installation certificates and operating and maintenance information meet the requirements of Title 24, Part 6.

2. Certifies that automatic daylighting controls meet the applicable requirements of Sections A6.209.1 and A6.209.2.3.2.4.

3. Certifies that when a multilevel astronomical time switch is used to meet Exception 3 to Section A6.209.2.3.2.2 all general lighting in the skylit area is controlled by a multilevel astronomical time switch that meets the applicable requirements of Section A6.209.1 and that has an override switch that meets the requirements of Section A209.2.4.2.

4. Certifies that lighting controls meet the requirements of Sections A6.209.2.1 through A6.209.2.3 and Title 24, Part 6, Sections 131(e) and (f) and 146(a)2, as applicable.

5. Certifies that automatic lighting controls meet the applicable requirements of Sections A6.209.1 and A6.209.2.4.

6. Certifies that occupant-sensors meet the applicable requirements of Sections A6.209.1 and A6.209.2.4.

7. Certified that outdoor lighting controls meet the applicable requirements of Sections A6.209.1 and A6.209.3.