Lighting Criteria Standards

Lighting Related Requirements from Sustainable Design Standards and Energy Codes

This document lists highlights from several standards for information Page 1 of 19 purposes only. Please consult the various organizations for full details about these requirements.

Lighting Related Criteria for Sustainable Design Standards

and Energy Codes 1. U.S. Green Building Council ................................................................................................. 2 2. ASHRAE/IESNA 90.1-1999.................................................................................................. 5 3. ASHRAE/IESNA 90.1-2001.................................................................................................. 7 4. ASHRAE/IESNA 90.1-2004.................................................................................................. 9 5. International Code Council ................................................................................................. 13 6. New Building Institute ......................................................................................................... 16



1. U.S. Green Building Council Leadership in Energy & Environmental Design (LEED-NC v2.1) Sustainable Site Credit #8 (1 point) Light Pollution Reduction Meet or provide lower light levels and uniformity ratios than those

recommended in IESNA RP-33-99. All luminaires with more than 1000 lamp lumens initial are to be shielded All luminaires with more than 3500 initial lamp lumens to be IESNA Full

Cutoff The max candela for all interior lighting shall not be emitted out of any

window The max candela value for all exterior lighting shall fall within the property Any luminaire within 2 mounting heights of the property boundary shall be shielded such

that no light crosses the boundary. Energy & Atmosphere Prerequisite #1 Fundamental Building Systems Commissioning Implement or have a contract in place to implement the following best practice commissioning procedures:

Engage a commissioning team that does not include individuals directly responsible for project design or construction management.

Review the design intent and the basis of design documentation. Incorporate commissioning requirements into the construction documents. Develop and utilize a commissioning plan. Verify installation, functional performance, training and operation and maintenance

documentation. Complete a commissioning report.

include HVAC systems and their controls, duct work and piping; building envelope technologies; renewable and alternate energy technologies; lighting controls and daylighting systems; potable water efficiency technologies; rainwater harvesting systems; water treatment systems; and other advanced performance technologies. Energy & Atmosphere Prerequisite #2 Minimum Energy Performance Comply with ASHRAE 90.1-1999 (without amendments) or the local energy code, whichever

is more stringent (See ASHRAE/IESNA 90.1-1999 of this handout for details) Energy & Atmosphere Credit #1 (1-10 points) Optimize Energy Performance

Reduce energy costs as demonstrated by a whole building simulation using the ECB Method from Section 11 of ASHRAE 90.1-1999. Number or points based on percentage reduction in energy costs per the table to the right.

New Bldgs.

Existing Bldgs. Credits

15% 5% 120% 10% 225% 15% 330% 20% 435% 25% 540% 30% 645% 35% 750% 40% 855% 45% 960% 50% 10



Energy & Atmosphere Credit #3 (1 point) Additional Commissioning In addition to the Fundamental Building Commissioning prerequisite, implement or have a contract in place to implement the following additional commissioning tasks:

1. A commissioning authority independent of the design team shall conduct a review of the design prior to the construction documents phase.

2. An independent commissioning authority shall conduct a review of the construction documents near completion of the construction document development and prior to issuing the contract documents for construction.

3. An independent commissioning authority shall review the contractor submittals relative to systems being commissioned.

4. Provide the owner with a single manual that contains the information required for re-commissioning building systems.

5. Have a contract in place to review building operation with O&M staff, including a plan for resolution of outstanding commissioning-related issues within one year after construction completion date.

Energy & Atmosphere Credit #5 Measurement & Verification Install continuous metering equipment for the following end-uses:

Lighting systems and controls Constant and variable motor loads Variable frequency drive (VFD) operation Chiller efficiency at variable loads (kW/ton) Cooling load Air and water economizer and heat recovery cycles Air distribution static pressures and ventilation air volumes Boiler efficiencies Building-related process energy systems and equipment Indoor water risers and outdoor irrigation systems

Develop a Measurement and Verification plan that incorporates the monitoring information from the above end-uses and is consistent with Option B, C or D of the 2001 International Performance Measurement & Verification Protocol (IPMVP) Volume I: Concepts and Options for Determining Energy and Water Savings. Materials & Resources Credit #4 Recycled Content

Use materials with recycled content such that the sum of post-consumer recycled content plus one-half of the post-industrial content constitutes at least 5% of the total value of the materials in the project.

The value of the recycled content portion of a material or furnishing shall be determined by dividing the weight of recycled content in the item by the total weight of all material in the item, then multiplying the resulting percentage by the total value of the item.

Mechanical and electrical components shall not be included in this calculation. Recycled content materials shall be defined in accordance with the Federal Trade Commission document, Guides for the Use of Environmental Marketing Claims, 16 CFR 260.7 (e), available at www.ftc.gov/bcp/grnrule/guides980427.htm.

Lighting equipment is NOT to be included in this calculation.



Materials & Resources Credit #5 Regional Materials

Use a minimum of 20% of building materials and products that are manufactured* regionally within a radius of 500 miles.

* Manufacturing refers to the final assembly of components into the building product that is furnished and installed by the tradesmen. For example, if the hardware comes from Dallas, Texas, the lumber from Vancouver, British Columbia, and the joist is assembled in Kent, Washington; then the location of the final assembly is Kent, Washington. Quote from LEED Training Workshop documentation: Exclude mechanical, electrical, plumbing, labor, overhead and fees. Lighting equipment is NOT to be included in this calculation. Indoor Environmental Quality Credit #6 (1-2 points) Controllability of Systems Provide at least one operable window and one lighting control zone per 200 square feet for all

regularly occupied areas within 15 feet of the perimeter wall. Provide controls for each individual for airflow, temperature and lighting for at least 50% of

the occupants in non-perimeter, regularly occupied areas. Indoor Environmental Quality Credit #8 (1-2 points) Daylight and Views Achieve a minimum Daylight Factor of 2% (excluding all direct sunlight penetration) in 75% of

all space occupied for critical visual tasks. Spaces excluded from this requirement include copy rooms, storage areas, mechanical plant rooms, laundry and other low occupancy support areas. Other exceptions for spaces where tasks would be hindered by the use of daylight will be considered on their merits

Achieve direct line of sight to vision glazing for building occupants in 90% of all regularly occupied spaces. Examples of exceptions include copy rooms, storage areas, mechanical, laundry and other low occupancy support areas. Other exceptions will be considered on their merits.



2. ASHRAE/IESNA 90.1-1999 General This standard applies to: Interior spaces of buildings; Exterior building features Exterior building grounds lighting provided through the buildings electrical service

Exceptions: Emergency lighting that is automatically shut off during normal building operation Lighting within living units Lighting that is specifically designated as required by a health or life safety statute,

ordinance, or regulation Decorative gas lighting systems

Mandatory Provisions Lighting Control Automatic Lighting Shutoff Interior lighting in buildings larger than 5,000 sq.ft shall be controlled with an automatic control device to shut off building lighting in all spaces. This device shall function on either; Time-of-day Occupancy sensor Occupant intervention

Exception lighting intended for 24-hour operation Space Control Each enclosed space shall have at least one control device for the lighting and shall be activated manually or by occupancy sensing. Each control shall: Control no more than 2,500 sq.ft in spaces smaller than 10,000 sq.ft and a maximum of

10,000 sq.ft in larger spaces. Be capable of overriding the automatic lighting shutoff for no more than 4 hours, and Be readily accessible and located so the occupant can see the controlled lighting

Exception Remote locations are permitted for certain safety or security reasons. Exterior Lighting Control Lighting for all exterior applications shall be controlled by a photosensor or by astronomical time switch.

Exception Lighting for covered vehicle entrances or exits from buildings or parking structures where required for safety, security or eye adaptation.

Additional controls for: display/accent lighting, case lighting. Hotel/motel guest room lighting, task lighting. Nonvisual lighting and demonstration lighting Tandem Wiring Luminaires designed for use with one or three linear fluorescent lamps greater than 30W each shall use two-lamp tandem-wired ballasts in place of single-lamp ballasts when two or more luminaires are in the same space and on the same control device.



Exceptions Recessed luminaires more than 10 apart, center-to-center Surface-mounted or pendant luminaires that are not continuous Luminaire using single-lamp high-frequency electronic ballasts Luminaires using three-lamp high-frequency electronic or three-lamp electromagnetic

ballasts Luminaires on emergency circuits Luminaires with no available pair

Exit Signs Exit sign luminaires operating at greater than 20 watts shall have a minimum source efficacy of 35 lm/W. Exterior Building Grounds Lighting All exterior building grounds luminaires that operate at greater than 100 watts, shall contain lamps with a minimum efficacy of 60 lumens/watt or be controlled by a motion sensor. Prescriptive Path Interior Lighting Power Determined using either the Building Area method or the Space-by-Space Method. Building Area Method See Table 9.3.1.1 from standard Space-by-Space Method See Table 9.3.1.2 (must be used when performing Energy Cost Budget Method from Chapter 11) Exterior Building Lighting Power

Applications Power Limits Building entrance with canopy or free standing

canopy 3 W/sq.ft. of canopied area

Building entrance without canopy 33 W/linear foot of door width Building exit 20 W/linear foot of door width

Building facades 0.25 W/sq.ft. of illuminated faade area






Mandatory Provisions Lighting Control Automatic Lighting Shutoff Interior lighting in buildings larger than 5,000 sq.ft shall be controlled with an automatic control device to shut off building lighting in all spaces. This device shall function on either; Time-of-day Occupancy sensor A signal from another control or alarm system that indicates the area is unoccupied

Exception lighting intended for 24-hour operation Space Control Each enclosed space shall have at least one control device for the lighting and shall be activated manually or by occupancy sensing. Each control shall: Control no more than 2,500 sq.ft in spaces smaller than 10,000 sq.ft and a maximum of

10,000 sq.ft in larger spaces. Be capable of overriding the automatic lighting shutoff for no more than 4 hours, and Be readily accessible and located so the occupant can see the controlled lighting

Exception Remote locations are permitted for certain safety or security reasons. Exterior Lighting Control Lighting for all exterior applications shall be controlled by a photosensor or by astronomical time switch.


Additional controls for: display/accent lighting, case lighting. Hotel/motel guest room lighting, task lighting. Nonvisual lighting and demonstration lighting Tandem Wiring Luminaires designed for use with one or three linear fluorescent lamps greater than 30W each shall use two-lamp tandem-wired ballasts in place of single-lamp ballasts when two or more luminaires are in the same space and on the same control device.





Exit Signs Exit sign luminaires operating at greater than 20 watts shall have a minimum source efficacy of 35 lm/W. Exterior Building Grounds Lighting All exterior building grounds luminaires, which operate at greater than 100 watts, shall contain lamps with a minimum efficacy of 60 lumens/watt or be controlled by a motion sensor. Prescriptive Path Interior Lighting Power Determined using either the Building Area method or the Space-by-Space Method. Building Area Method See Table 9.3.1.1 from standard Space-by-Space Method See Table 9.3.1.2 (must be used when performing Energy Cost Budget Method from Chapter 11) Exterior Building Lighting Power

Applications Power Limits Building entrance with canopy or free standing

canopy 3 W/sq.ft. of canopied area

Building entrance without canopy 33 W/linear foot of door width Building exit 20 W/linear foot of door width

Building facades 0.25 W/sq.ft. of illuminated faade area






Mandatory Provisions Lighting Control Automatic Lighting Shutoff Interior lighting in buildings larger than 5,000 sq.ft shall be controlled with an automatic control device to shut off building lighting in all spaces. This device shall function on either; Time-of-day (each independent program schedule may not encompass more than 25,000

sq.ft or more than one floor) Occupancy sensor A signal from another control or alarm system that indicates the area is unoccupied

Exceptions: lighting intended for 24-hour operation lighting in spaces where patient care is rendered lighting in spaces where automatic shutoff would endanger the safety or security of

the room or building occupants Space Control Each enclosed space shall have at least one control device to independently control the general lighting within the space. Each control shall be readily accessible and located so the occupant can see the controlled lighting. For the following spaces, a control device shall be installed that automatically turns off the lighting within 30 minutes of all occupants leaving a space unless the space has multi-scene control. Such spaces are not required to be connected to other automatic lighting shutoff controls.

classrooms (not including shop classrooms, laboratory classrooms and preschool thru 12th grade classrooms

conference/meeting rooms employee lunch and break rooms

For all other spaces, each control device shall be either activated manually or by sensing occupancy. Each such device shall: Control no more than 2,500 sq.ft in spaces smaller than 10,000 sq.ft and a maximum of

10,000 sq.ft in larger spaces. Be capable of overriding the automatic lighting shutoff for no more than 4 hours

Exception Remote locations are permitted for certain safety or security reasons.



Exterior Lighting Control Lighting for all exterior applications shall be controlled by a photosensor or by astronomical time switch.

Lighting not designated for dusk-to-dawn operation shall be controlled by an astronomical time switch

Lighting for a dusk-to-dawn operation shall use an astronomical time switch or photosensor

Astronomical time switches shall be capable of retaining the programming and the time setting during a loss of power for at least 10 hours.


Additional controls for:

display/accent lighting, case lighting. Hotel/motel guest room lighting, (hotel and motel guest rooms and guest suites shall

have a master control device at the main room entry that controls all permanently installed luminaires and switched receptacles)

task lighting. Nonvisual lighting and demonstration lighting

Tandem Wiring Luminaires designed for use with one or three linear fluorescent lamps greater than 30W each shall use two-lamp tandem-wired ballasts in place of single-lamp ballasts when two or more luminaires are in the same space and on the same control device.



Exit Signs Internally illuminated exit signs shall not exceed 5 watts per face. Exterior Building Grounds Lighting All exterior building grounds luminaires, which operate at greater than 100 watts, shall contain lamps with a minimum efficacy of 60 lumens/watt or be controlled by a motion sensor. Exterior Building Lighting Power The total allowance is the sum of the individual allowed densities (see the following table) times the applicable areas, plus an additional 5% of that sum.

Exceptions: Specialized signal, directional and marker lighting associated with transportation Advertising signage or directional signage Lighting integral to equipment or instrumentation and is installed by its

manufacturer



Lighting for theatrical purposes, including performance, stage, film production and video production

Lighting for athletic playing fields Temporary lighting Lighting for industrial production, material handling, transportation sites and

associated storage areas Theme elements in theme/amusement parks Lighting used to highlight features of public monuments and registered historic

landmark structures or buildings TABLE 9.4.5 Lighting Power Densities for Building Exteriors

Uncovered Parking Areas Parking Lots and drives 0.15 W/ft2

Building Grounds

Walkways less than 10 feet wide 1.0 W/lin foot Walkways 10 feet wide or greater

Plaza areas Special Feature Areas

0.2 W/ft2

Stairways 1.0 W/ft2 Building Entrances and Exits

Main entries 30 W/lin foot of door width Other doors 20 W/lin foot of door width

Canopies and Overhangs

Canopies (free standing and attached and overhangs)

1.25 W/ft2

Outdoor Sales

Open areas (including vehicle sales lots) 0.5 W/ft2

Tradable Surfaces (Lighting power

densities for uncovered parking

areas, building grounds, building

entrances and exits, canopies and

overhangs and outdoor sales areas

may be traded.)

Street frontage for vehicle sales lots in addition to open area allowance

20 Watts/linear foot

Building Facades 0.2 W/ft2 for each illuminated wall or surface or

5.0 W/lin foot for each illuminated wall or surface length

Automated teller machines and night depositories

270 W per location plus

90 W per additional ATM per location Entrances and gatehouse inspection stations at guarded facilities

1.25 W/ft2 of uncovered area (covered areas are included in the

Canopies and Overhangs section of Tradable Surfaces)

Loading areas for law enforcement, fire, ambulance and other emergency service vehicles

0.5 W/ft2 of uncovered area (covered areas are included in the

Canopies and Overhangs section of Tradable Surfaces)

Drive-up windows at fast food restaurants 400 W per drive-through

Non-Tradable Surfaces

(Lighting power density calculations

for the following applications can be

used only for the specific application

and cannot be traded between surfaces or with

other exterior lighting. The

following allowances are in addition to any allowance

otherwise permitted in the tradable

Surfaces section of this table.)

Parking near 24-hour retail entrances 800 W per main entry

Prescriptive Path Interior Lighting Power Determined using either the Building Area method or the Space-by-Space Method.



Building Area Method go to http://www.acuitybrandslighting.com/sustainability/LEED/BuildingAreaMethod-2004.asp Space-by-Space Method go to http://www.acuitybrandslighting.com/sustainability/LEED/SpaceMethod-2004.asp (must be used when performing Energy Cost Budget Method from Chapter 11)



5. International Code Council International Energy Conservation Code (IECC/2003) General This standard applies to lighting system controls, ballasts, maximum lighting power for interior applications and minimum acceptable lighting equipment for exterior lighting.

Exceptions: Lighting within living units

Interior Lighting Controls Each enclosed area shall have at least one manual control.

Exceptions: Areas designated as security or emergency areas that must be continuously lit. Lighting in stairways or corridors that are elements of the means of egress.

Additional Controls Each area required to have a control specified above shall have the following additional controls.

Exceptions Areas with only one luminaire Areas controlled by an occupant-sensing device Corridors, storerooms, restrooms or public lobbies.

(1) Light Reduction Controls Each area with a manual control shall also allow the occupant

to reduce the connected lighting load by at least 50% using one of the following methods: Controlling all lamps or luminaires Dual switching of alternate rows Switching the middle lamps independently Switching each lamp or luminaire Additional Exceptions: Guestrooms Spaces that use less than 0.6 W/sq.ft. (2) Automatic lighting shutoff Buildings larger than 5,000 sq.ft shall have an automatic shut

off control that functions on either: A time-of-day basis controlling interior lighting in areas not to exceed 25,000 sq.ft or more

than one floor; or An unscheduled basis by occupant intervention

Occupant Override such automatic lighting shut off devices shall incorporate an override switching device that: Is readily accessible 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 Is manually operated



Allows the lighting to remain on for no more than 2 hours Controls an area not to exceed 5,000 sq.ft

Exceptions: In malls and arcades, auditoriums, single tenant retail spaces, industrial

facilities, and arenas, where captive-key override is utilized; override time may exceed two hours.

In malls and arcades, auditoriums, single tenant retail spaces, industrial facilities and arenas, the area controlled may not exceed 20,000 square feet.

If an automatic time switch control device is installed it shall incorporate an automatic holiday shut-off feature that turns off all loads for at least 24 hours, then resumes the normally scheduled operation.

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

theaters. (3) Guestrooms Guestrooms in hotels, motels, boarding houses or similar buildings shall have

at least one master switch at the main entry door that controls all permanently wired lighting fixtures and switched receptacles except those in the bathroom(s). Suites shall have a control meeting this requirement at the entry to each room or at the primary entry to the suite.

Exterior Lighting Controls Automatic switching or photocell controls shall be provided for all exterior lighting not intended for 24-hour operation. Automatic time switches shall have a combination seven-day and seasonal daylight program schedule adjustment and a minimum 4-hour power backup. Tandem Wiring The following luminaires located within the same area shall be tandem wired: Fluorescent luminaires equipped with one, three or odd numbered lamp configurations that

are recess mounted within 10 center-to-center of each other Fluorescent luminaires equipped with one, three or odd numbered lamp configurations that

are pendant or surface mounted within 1, edge-to-edge of each other. Exceptions: Where electronic high-frequency ballasts are used Luminaires on emergency circuits Luminaires with no available pair in the area Exit Signs Internally illuminated exit signs shall not exceed 5 watts per side. Interior lighting power requirements Calculated in accordance with Table 805.5.2 Exterior Lighting When the power for the exterior lighting is supplied through the energy service to the building, all sources shall have an efficacy of at least 45 lumens per watt



Exceptions: Low-voltage landscape lighting Where approved because of historical, safety, signage or emergency considerations. Electrical energy consumption Individual dwelling units shall be metered separately.



6. New Building Institute Advanced Building Guidelines E-Benchmark v1.0 Basic Criteria 1.9 Lighting Controls Each room (a space enclosed by floor to ceiling height partition) is required to have a control device that meets the requirements of (1) Bi-level Control and (2) Automatic lighting reduction. Exceptions: Hotel and motel guestrooms and guest suites that have a master control device at the main

room entry that controls all permanently installed luminaires and switched receptacles. Lighting intended for 24-hour operation Emergency Lighting

(1) Bi-level Control: The control device shall allow the occupant to reduce the connected lighting load in a reasonably uniform illumination pattern by at least 50 percent.

Exceptions: Task Lighting Rooms that have only 1 luminaire HID luminaires shall reduce the connected lighting load in a reasonable uniform

illumination pattern by at least 40 percent. (2) Automatic lighting reduction: The automatic control device shall shut off lighting or reduce

lighting for interior rooms.

A. For all offices less than or equal to 300 square feet enclosed by walls or ceiling-height partitions, and all restrooms, meeting and conference rooms, and all school classrooms: An automatic basis, using an occupant sensor that shall turn lighting off within 30 minutes of an occupant leaving a space, or

B. For all other spaces, either comply with 2.A. or use an automatic time switch control device capable of shutting off lighting using an independent program schedule that controls the interior lighting in areas that do not exceed 25,000 square feet and are not more than one floor.

C. In areas with top-mount skylights, an automatic, photosensitive control device shall reduce the connected lighting load in a reasonably uniform illumination pattern by at least 50 percent while maintaining design illuminance. Each daylight control zone shall not exceed 2,500 square feet.

If an automatic time switch control device is installed to comply with Section 1.B., it shall incorporate an override switching device that: a) Is readily accessible; and b) Is located so that a person using the device can see the lights or the area controlled

by that switch, or so that the switch serving the area being lit is annunciated; and c) Is manually operated; and d) Allows the lighting to remain on for no more than two hours when an override is

initiated; and e) Controls an area not exceeding 2,500 square feet for spaces under 10,000 square

feet and not exceeding 5,000 square feet for spaces over 10,000 square feet.

Exceptions:



In malls and arcades, auditoriums, single tenant retail spaces, industrial facilities, and arenas, where captive-key override is utilized; override time may exceed two hours.

In malls and arcades, auditoriums, single tenant retail spaces, industrial facilities and arenas, the area controlled may not exceed 20,000 square feet.

Electrical and mechanical equipment rooms Corridors enclosed with floor to ceiling height partitions shall have no more than

50% of the luminaires on automatic shutoff control device. Public lobbies Health care patient rooms.

If an automatic time switch control device is installed to comply with section 2.B. 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. 1.10 Outdoor Lighting All permanently installed outdoor installations shall meet the following requirements for System Efficacy, Controls, Luminaire Cutoff and Lighting Power Density: 1. Outdoor Lighting System Efficacy All permanently installed outdoor luminaires that operate

at greater than 100 watts shall have either an initial system efficacy of at least 60 lumens per watt or be controlled by a motion sensor.

Exceptions: a) Lighting required by a health or life safety statute, federal or state law, local ordinance or

regulation, including but not limited to emergency lighting. b) Lighting used in or around swimming pools, water features, or other locations subject to

Article 680 of the 2002 National Electrical Code. c) Searchlights d) Theme element lighting for use in theme/amusement parks. e) Light-emitting diode, neon, and cold-cathode lighting. f) Specialized signal, directional, and marker lighting associated with transportation. g) Lighting for theatrical purposes including performances, stage, film production and video

production. h) Lighting used to highlights features of public monuments and registered historic landmark

structures and buildings. i) Low-voltage lighting.

2. Outdoor Lighting Controls All permanently installed outdoor lighting shall have automatic

controls capable of turning off exterior lighting when either sufficient daylight is available or the lighting is not required during nighttime hours. Lighting not designated for dusk-to-dawn shall be controlled by a time switch. Either a photo sensor or astronomical time switch shall control dusk-to-dawn lighting.

Exceptions: a) Lighting in parking garages, tunnels, and large covered areas that require illumination

during daylight hours. b) Lighting required by a health or life safety statute, federal or state law, local ordinance or

regulation, including but not limited to emergency lighting. c) Lighting for steps or stairs that require illumination during daylight hours.



d) Lighting that is controlled by a motion sensor and photoelectric switch e) Lighting for facilities that have equal lighting requirements at all hours and are designed

to operate continuously. f) Outdoor theatrical equipment for live performances provided that it is not for continuous

use. 3. Luminaire Cutoffs All permanently install outdoor luminaires used to illuminate parking lots,

building grounds, building entrances/exits, canopies, and outdoor sales shall have the following cutoff designation as defined by IESNA, LM-64-01:

Luminaires using lamps rated greater than 100 watts but less than or equal to 250 watts

shall be semi-cutoff, cutoff or full-cutoff. Luminaires using lamps rated greater than 250 watts shall be either cutoff or full-cutoff.

Exceptions: a) Luminaires that are less than 15 b) Luminaires for faade, signage or flags.

4. Outdoor Lighting Power Outdoor lighting installation located in either rural or urban settings

as defined by local ordinances and the U.S. Census, shall be limited to the following lighting power densities (all values are watts per square foot except as noted):

Application Rural Urban

PARKING AREAS Open parking areas 0.10 0.15

Covered parking areas 0.30 0.30 BUILDING GROUNDS

Walkways less than 10 wide 1.0 watts/linear foot 1.0 watts/linear foot Walkways greater than 10 wide, plaza

areas and special feature areas 0.15 0.18

BUILDING ENTRANCES AND EXITS Main entrances 25 watts/linear foot of doorway 30 watts/linear foot of doorway

Other doors 15 watts/linear foot of doorway 20 watts/linear foot of doorway NON-SALES CANOPIES

Area Canopies 0.50 1.0 BUILDING FACADES

Either 0.15 watts/Square foot or 5.0 watts per linear foot for each

illuminated surface. Lighting densities may not be traded between surfaces.

Either 0.18 watts/Square foot or 5.0 watts per linear foot for each

illuminated surface. Lighting densities may not be traded between surfaces.

OUTDOOR SALES Retail gas and service station

canopies 1.0 1.25

All other sales canopies 0.70 1.0 Vehicle and retail sales areas 0.50 0.70

Outdoor sales frontage 20 watts/linear foot 22.5 watts/linear foot

Exceptions: a) The top level of a parking garage is to be considered as covered. b) Lighting required by a health or life safety statute, federal or state law, local ordinance or

regulation, including but not limited to emergency lighting. c) Lighting used in or around swimming pools, water features, or other locations subject to

Article 680 of the 2002 National Electrical Code. d) Searchlights e) Theme element lighting for use in theme/amusement parks. f) Light-emitting diode, neon, and cold-cathode lighting. g) Specialized signal, directional, and marker lighting associated with transportation.



h) Lighting for theatrical purposes including performances, stage, film production and video production.

i) Lighting used to highlights features of public monuments and registered historic landmark structures and buildings.

j) Lighting used for industrial production, material handling, transportation sites and associated storage areas.

Prescriptive Criteria 2.7 Lighting Power Density Installed lighting equipment power density shall not exceed the allowed lighting equipment power density as shown in Table 2.7.1 Criteria for Credit 4.7 Task/Ambient Lighting Electric lighting power density shall not exceed 0.6 W/square foot for general ambient lighting. Lighting of task areas (workspaces) shall be supplemented with high-efficacy task lighting with a minimum initial efficacy of 60 lumens per watt. Task lighting shall be controlled by individual space occupancy sensors. 4.10 Daylight Responsive Lighting Control Credit In daylit areas, automatic daylight responsive lighting controls shall be installed that meet the following requirements: 1. Controls the lights in the daylit area separately from the non-daylit areas. 2. Automatically reduces electrical lighting power in response to available daylight in a daylit

area by either: 1. A combination of dimming ballasts and daylight-sensing automatic controls that are

capable of automatically reducing the power of general lighting in the daylit zone continuously to less than 35% of rated power at maximum light output; or

2. A combination of multi-level switching and daylight-sensing controls that are capable of reducing the lighting power automatically. If the control is a switching control, it shall provide at least two control channels per zone and be installed in a manner such that at least one control step shall reduce power of general lighting in the daylit zone by 30% to 50% of rated power and another control step shall reduce lighting power by 65% to 100%. This control shall be capable of automatically reducing the general lighting in the daylit area in multiple steps in response to available daylight while maintaining a reasonably uniform and appropriate level of illuminance.

3. The light sensor shall be separate from where setpoint adjustments are made; and 4. The controls for calibration adjustments to the lighting control device shall be readily

accessible to authorized personnel.

Exceptions: a) Daylight spaces enclosed by floor to ceiling partitions containing only one luminaire b) Conference rooms c) Lighting required by a health or life safety statute, federal or state law, local ordinance or

regulation, including but not limited to emergency lighting. d) Lighting for steps or stairs that require illumination during daylight hours e) Lighting for theatrical purposes, including performances, stage, film production and video

production f) Lighting for industrial production.

Documents

Lighting Criteria Standards