HomeMy WebLinkAboutOrd 1272 - New Energy Efficient Light SourcesORDINANCE NO. 1272
EXHIBIT A
Figure 24.16-1
ALLOWS:
No light at or above 90 degrees Zero
percent
100 cd per 1000 lamp lumens at or above 80 degrees 10
percent
B. Commercial and Residential Zones: Lighting sources (lamps) approved for
commercial and residential zones are High Pressure Sodium (HPS), Light Emitting
Diodes (LED), Light Emitting Plaza (LEP), Compact Fluorescent Lamps (CFL),
Multifaceted Reflector halogen lamps (MR) and incandescent lamps.
C. Lighting sources approved for public or municipal outdoor recreation facilities are
High Pressure Sodium (HPS), Light Emitting Diodes (LED), Light Emitting Plaza
(LEP) and Metal Halide (MH).
D. Low pressure sodium lighting is not approved.
E. Public or Municipal Outdoor Recreational Facilities. All lighting for Field Sports shall
conform to the requirements of Section 24.16.060 Light Trespass. Sports lighting
fixtures shall us the latest technology to control spill light from the lighting fixture as
illustrated in Figure 24.16-2.
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ORDINANCE NO. 1272
EXHIBIT A
Figure 24.16-2
Old Generation
New Technology
off -field
spill light
on -field light
Standard Symmetrical Reflector
less spill
off -field
= /
' more light on -field
Redirects Off -Field Spill Light
F. Outdoor Recreational Facility lighting for sports courts (tennis, basketball, skating,
volleyball, etc.) shall use full -cutoff optics. The maximum pole heights for sport
courts shall be 30 feet.
G. Pedestrian scale post top luminaries with total lamp lumens of Tess than 6000 may
be non -cutoff if the fixture meets the requirements to prevent direct view of the lamp
source by shielding the source with louvers and/or opaque lens. Internal fixture
reflector with a clear lens that distributes the light out of the fixture in a manner that
promotes glare control may also be allowed. Refractors are not recommended to
shield the lamp source.
H. Low level lighting (bollards, step lights etc.) with total lamp lumens of less than 3500
may be non -cutoff if the fixture meets the requirements to prevent direct view of the
lamp source by shielding the source with louvers and/or opaque lens. Internal fixture
reflector with a clear Tens that distributes the light out of the fixture in a manner that
promotes glare control may also be allowed.
I. All outdoor lighting mounting heights shall conform with the following;
1. Residential Zones: maximum of 18 feet height in residential zones. The Tamp
lumens shall be 15,000 lumens or less and provide for full -cutoff features.
2. Commercial Zones: maximum of 30 feet high in commercial zones. Total
Tamp lumens shall be 130,000 lumens or less with full -cutoff fixtures.
J. Luminaries used primarily for walkway lighting (Pedestrian Scale Lighting) shall be
mounted no higher than 10 feet above grade.
K. Wall -Mounted Lighting: Residential wall -mounted lighting luminaries with total lamp
lumens of less than 1,800 may be non -cutoff if the fixture meets the requirements to
prevent direct view of the lamp source by shielding the source with louvers and/or
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ORDINANCE NO. 1272
EXHIBIT A
opaque Tens. Internal fixture reflector with a clear Tens that distributes the light out of
the fixture in a manner that promotes glare control may also be allowed. Refractors
are not recommended to shield the lamp source.
L. Commercial wall -mounted lighting luminaries with total Tamp lumens of less than 14
lumens per inch (total size of the wall light fixture face in inches) but not exceeding
4000 lumens total may be non -cutoff if the fixture meets the requirements to prevent
direct view of the lamp source by shielding the source with louvers and/or opaque
lens. Internal fixture reflector with a clear lens that distributes the light out of the
fixture in a manner that promotes glare control may also be allowed. Refractors are
not recommended to shield the lamp source.
M. Security pole and wall pack lighting fixtures in commercial and residential zones
shall only be allowed if the fixture lumens and shielding meet the requirements
outlined. The following types of fixtures are not approved in any application.
Figure 24.16-3
Examples of Acceptable / Unacceptable Lighting Fixtures
Unacceptable
Fixtures that produce glare and light trespass
Unshielded Floodlights
11
Unshielded Wallpacks
& Unshielded Wall
Mount Fixtures
471-1
Drop -Lens & Sag -Lens Fixtures
wJ exposed bulb / refractor lens
Unshielded Streetlight
Unshielded
Security Light
cp/��� � Unshielded PAR
`./ lights
coatfilnl
renktarx
Unshielded
Period' Style
Fixtures
Drop -Lens Canopy
Fixtures
Acceptable
Fixtures that shield the light source to minimize glare and light trespass
and to facilitate better vision at night
Fully Shielded
Wallpack & Wall
Mount Fixtures
Full Cutoff Streetlight
Fully Shielded
Security Light
Full Cutoff Fixtures
Fully Shielded Fixtures
"-N.. Fully Shielded
'Period' Style
Fixtures
ww 4hinlnen
Shielded / Properly -aimed
PAR Floodlights
Flush Mounted Canopy
Fixtures
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ORDINANCE NO. 1272
EXHIBIT A
• Minimum Foot-candles
Figure 24.16-4
Statistics
Description Symbol Avg Max Min Max/Min Avg/Min Avg/Max
800/0 Zone Photometrics -}-
2.0fc
6.3 fc
0.4 fc
15.8:1 5.0:1
0.3:1
3. Photometric statistics representing the lighting and calculations in an area
equal to 80 percent of the useable parking area, as shown in Figure 24.16-5:
Figure 24.16-5
7
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ORDINANCE NO. 12 2 'w � ' " �
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AN ORDINANCE OF THE CITY COUNCIL OF THE CITY 4F PALM
DESERT, CALIFORNIA, APPRClVING A COMPREHENSIVE UPDATE TO
THE PALM DESERT MUNICIPAL CODE SECTION 24.16, OUTDOOR
LIGHTlNG REQUIREMENTS TO ALLOW FOR NEW ENERGY EFFICIENT
LIGHT SOURCES.
WHEREAS, the City Council adopted Ordinance No. on day of
, 2014 revising sections of the Paim Desert Municipal Code as described
in Exhibit A; and
WHEREAS, the Citizens' Sustainability Committee of the City of P'alm Desert,
California, recommended approval of the proposed ordinance; and
NOW, THEREFORE, BE IT ORDINANDED by the City Council of the City of Palm
Desert, California, that the following section of the Paim Desert Municipal Code is hereby
amended, as follows:
SECTION 1: That Palm Desert Municipal Code Section 24.16 is hereby amended and
revised as described in Exhibit A, provided separately at City Hall.
SECTION 2: That the City Clerk of the City of Palm Desert, California, is hereby
directed to publish a notice of this ordinance with Exhibit A provided at
City Hall in the Desert Sun, a newspaper of general circulation,
published and circulated in the City of Palm Desert, California, and shall
be in full force and effect thirty(30) days after its adoption.
PASSED, APPROVED AND ADOPTED by the City Council of the City of Palm
Desert, California, at is regular meeting held on the day of , 2014
by the following vote, to wit:
CITY COUNCIL�t CTION
�Y�ROVED DENTF.D _,.,.
RECEIVED OTHER
NOES:
MEETIN DATE
�Y�. .T� �� �� �� � j�
NOES:
�� � �-
ABSTAIN: . TANNER, MAYOR
VERIFIED BY:
Ori inal on File with City erk's Office
ATT�ST:
RACHELLE D. KLASSEN, CITY CLERK
CITY OF PALM DESERT, CALIFORNIA
ORDINANCE NO. 12�2
EXHIBIT A
CHAPTER 24.16 OUTDOOR LIGHTING REQUIREMENTS
24.16.010 Purpose and Intent
24.16.015 Outdoor Lighting Requirements
24.16.020 Architectural Outdoor Lighting Requirements
24.16.025 Public Street Lighting
24.16.030 Submittal Plan Requirements
24.16.035 Lighting Performance Criteria
24.16.040 Light Trespass
24.16.045 Time of Operation
24.16.050 Permanent Exceptions
24.16.055 Temporary Lighting Exemptions
24.16.060 Definitions
24.16.010 Purpose and lntent
A. The Outdoor Lighting Requirements are intended to minimize light pollutian and light
trespass, and preserve the night-time environment in the City.
1. Encourage the use of electrical engineers or lighting professionals to design
outdoor lighting systems.
2. Require that all lighting products are designed to be energy efficient and
utilize technology to control the lighting in a manner to meet the lighting
design criteria of this ordinance.
3. Implement guidelines that define the characteristics of the lighting fixture
distribution that reduces light pollution and preserve the night-time
environment
B. The ordinance is not intended to prevent the use of any design, products or method
of installation. The Director may approve any such proposed alternate if the design
meets the intent of the ordinance to provide high quality lighting performance, glare
control, reduced light trespass to preserve the night-time environment.
24.16.015 Outdoor Lighting Requirements
A. All luminaries with total lamp mean lumens above 4000 shall be full-cutoff type and
meet the requirements illustrated in Figure 24.16-1.
ORDINANCE NO. t2�2
EXHIBIT A
24.16.020 Architectural Outdoor Lighting Requirements
A. Lighting used to highlight architectural features, landscape, building facades,
fountains etc. shall be manufactured for the intended uses and shall be adjusted
and/or aimed during the night to insure light is focused on the designated object.
B. Lighting luminaries intended to be directional shall be provided with sources less
than 4000 lumens and must be furnished with shields, louvers and/or lenses to
insure that the direct view of the lamp source is reduced. An internal fixture reflector
system with a clear lens that distributes in a specific direction is designed to promote
glare control. Refractors are not recommended to shield the lamp saurce.
C. Landscape lighting fixtures intended to be directional onto landscape features shall
be provided with sources less than 1,OOn lumens and must be furnished with shields,
louvers and/or lenses to insure that the direct view of the lamp source is reduced
24.16.025 Public Street Lighting
A. Purpose. The City does not encourage the use of street lighting. However, the
purpose of this section is to establish a set of guidelines with which to regulate the
installation, operation and maintenance of overhead street lighting in the city. The
city seeks to make provisions for street lighting that will be beneficial to city
residents, and to provide for this lighting in an orderly, efficient and equitable
manner. This section serves to establish a unifarm standard for location of lights
within the city.
B. General Requirements. All street lighting installed in or for the benefit of a public
right-of-way shall conform to the following:
1. All lighting standards, fixtures and lamp sources shall be established in
accordance with specifications determined by the City Engineer.
2. All lighting standards in the public right-of-way will be installed and
maintained by the Southern California Edison Company (SCE) per SCE
Schedule LS-1, unless otherwise approved by the city engineer.
C. Luminaire and Lamp Requirements.
1. High Pressure Sodium (HPS) street lighting in single-family residential
districts shall use 9,500 lumens or less and shall be full-cutoff luminaries with
house side shields.
2. Light Emitting Diodes (LED) street lighting in single-family residential districts
shall use 9,500 lumens or less and shall be full-cutoff luminaries with house
side shields.
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ORDINANCE NO. 1272
EXHIBIT A
3. Pedestrian scale past top luminaries in single-family residential districts with
total lamp lumens of less than 4500 may be non-cutoff if the fixture meets the
requirements to prevent direct view of the lamp source by shielding the
source with louvers and/or opaque lens. Internal fixture reflector with a clear
lens that distributes the light out of the fixture in a manner that promotes glare
control may also be allowed. Refractors are not recommended to shield the
lamp source. House side shields may be required to reduce the light directed
towards residences.
D. Street Lighting Locations
1. Residential street lighting shall be positioned at intersections.
2. Residential street lighting shall be positioned mid-block on streets greater
than 800 feet in length.
3. Residential street lighting shall be positioned at the end of cul-de-sacs when
the street is greater than 300 feet in length.
4. Commercial and industrial streets shall have lighting positioned at
intersections.
5. Other locations andlor spacing of lighting may be required by the City
Engineer.
6. Locations other than intersections where the lighting will provide an aid to
trafFic or public safety may be required by the City Engineer.
24.16.U3U Submittal Plan Requirements
A. Appficants for any project that requires approval for outdoor lighting systems shall
include a site plan, fixture cuts and a photometric plan illustrating that the proposed
outdoor lighting system complies with the requirements outlined in the ordinance.
The submission shall contain, but not be limited to, four (4) complete sets of the
following:
1. A photometric lighting plan prepared by the project engineer showing point-
by-point lighting levels for the entire lot and 10 foot beyond the project
property lines. The point by point photometric plan shall provide lighting levels
at a maximum of 10 foot intervals. Photometric calculations shall use a .85
light loss factor for all photometric plans.
2. Photometric calculations providing the following statistics as illustrated in
Figure 24.16-4:
• Average to Minimum
• Maximum to Minimum
• Average Foot-candles
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ORDINANCE NO. 127�
EXHIBIT A
B. Submittal and drawings shali be signed by a licensed professionai engineer or
architect taking responsibility for the lighting design. The name and company
information for the ptan preparer shall be clearly stated on the submittal drawings.
C. A description of the outdoar light fixtures including a manufacturer cut sheet, product
specifications and shielding information for each lighting fixture used shall be
included in the submittal package.
24.16.035 Lighting Performance Criteria
A. The performance of the lighting submittal will be evaluated based on the following
criteria when the lamp source is LED or LEP.
1. Minimum footcandles shall be 1.0 foot-candle.
2. Average maintained light level of 1.0 footcand(es to 3.0 foot-candles.
3. Average-to-minimum uniformify ratio shall not exceed 4:1.
4. Maximum to Minimum uniformity ratio shall not exceed 16:1.
B. The lighting system using High Pressure Sodium (HPS) shall be designed to the
following standards:
1. Minimum footcandles shall be 1.5 foot-candle.
2. Average maintained light level of 1.5 footcandles to 3.0 foot-candles.
3. Average-to-minimum uniformity ratio shall not exceed 4:1.
4. Maximum to Minimum uniformity ratio shall not exceed 16:1.
C. The illumination levels at exits, entrances, loading zones, and collector lanes shall
be approximately twice the average illuminatian of the adjacent parking area or the
adjoining street, whichever is greater.
D. Building exit illumination levels shall meet the footcandle requirements established
by the California Electrical Code and all associated building codes.
24.16.040 Light Trespass
A. The requirements to minimize the off-site illumination onto adjoining properties shall
include lower pole heights, glare shields and repositioning lighting poles.
B. The photometric plan provided for the project shall illustrate the off-site footcandles
up to the point when 0.00 footcand(es is illustrated.
8
ORDINANCE N0. 1272,
EXHIBIT A
C. Lighting poles shall not be pasitioned at the property line adjacent to residential
properties.
D. Provide lighting fixtures with internal house side shielding so that no more than 0.10
footcandle is measured horizontally at the adjacent property lines.
E. Private tennis courts will be required to meet aff-site lighting requirements.
Photometric lighting plans shall be provided for all private tennis court lighting
systems.
F. All building-mounted luminaries shall be a maximum of 18 feet above ground to the
luminaire when adjoining residential property lines and a maximum of 20 feet above
ground in other areas around the building.
G. Wall pack {ighting fixtures shall be meet ful{ cut-off requirements and shall be
included in all photometric lighting plans.
H. Where the adjacent property is residential, all lighting shall be arranged so as to
direct the light away from the adjacent property.
I. Hillside lighting shall be designed with the following:
1. Hillside lighting systems must be submitted with a carefully detailed
photometric plan illustrating horizontal and vertical footcandles and a written
justification why hillside lighting should be allowed. Lighting plans shall be
reviewed as part of a Hillside Development Plan as described in Section 25.
2. Hillside lighting shall utilize high pressure sodium sources and be furnished
with glare shields.
3. Luminaries with total lamp lumens above 16000 lumens shall not be used.
4. All hillside lighting shall be turned off no later than 10:OQ pm and remain off
until the following evening.
24.16.045 Time of Operation
A. All parking lot and building lighting systems shall meet the State of California Title 24
outdoor lighting control requirements.
B. On-premises advertising signs may be illuminated all night.
C. Outdoor recreational facility sports lighting shall be turned off at 10:00 pm with partial
sports lighting remaining on until 10:30 pm to allow participants to safely vacate the
field.
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ORDINANCE NO. 12�2
EXHIBfT A
24.16.050 Permanent Exceptions
A. Nonconformance. All outdoor light fixtures existing and legally installed prior to the
effective date of this chapter are exempt from the requirements of this chapter,
except that when existing luminaries are reconstructed or replaced, such
reconstruction or replacement shall be in compliance with this chapter.
B. Holiday Decorations. Lights used for holiday decorations are exempt from the
requirements of this chapter and may be installed 45 days prior to the holiday and
removed 30 days after the holiday.
C. American Flag Lighting. Lights used for illumination of flags as required by law are
exempt from this chapter.
24.16.055 Temporary Lighting Exemptions
A. Temporary exemptions must be approved by the Director prior to installation.
Temporary lighting is required, but not limited to, parades, special civic or public
events, special business events, grand openings of businesses, etc.
B. Any individual, business and/or organization may submit a written request to the
Director for a temporary exemption from the requirements of this chapter. The
request shall be made on a Temporary Use Application along with the associated
fee.
C. The Temporary Lighting Application shall include the following:
1. Name, address, and telephone number of the applicant.
2. Location of the outdoor light fixtures far which the exemption is requested.
3. Use of the outdoor light fixtures involved.
4. Duration of the requested exemption(s).
5. Type(s) of outdoor lighting to be used including the lamp source, lumens,
shielding and glare controls.
6. Site plan illustrating the locations of all lighting equipment.
7. Written description and justification for the temporary lighting.
D. The Director shall have ten (10) business days from the date of receipt of the
"request for temporary exemption" to approve or disapprove the request. The
applicant will be notified of the decision in writing.
10
ORDINANCE NO. 1272
EKHIBfT A
24.16.060 Definitions
Advertising Display. Means advertising structures and signs used for outdoar advertising
purposes; not including on-premises (exterior portable or interior) advertising signs.
Ambient Light. The general overall level of lighting in an area from lighting not subject to
this ordinance.
Brightness. Strength of th� s�nsation that results from viewing surfaces from which the
light comes to the eye.
Candela (cd). Unit of luminous intensity. One candela is one lumen per steradian. Formerly
called the candle.
Candlepower. Luminous intensity expressed in candelas.
City Engineer. Means the City Engineer of the city of Palm Desert or a representative(s)
designated by the City Engineer of the City of Palm Desert.
Contrast. Is the difference between the luminaire luminous brightness and the brightness of
the surrounding area.
Decorative lighting. Means lighting products used for decorative effects versus lighting
perFormance. Examples of decorative lighting include, but are nat limited to, fountain
lighting, lighting fixtures (pole, post or bollard style) creating a visual effect with low lumen
output, led commercial outdoor string lighting, building wall sconce and chandelier lighting
with low lumen lamp sources.
Director. Means the Director of Community Development for the City of Palm Desert or a
representative(s) designated by the Director of the City of Palm Desert.
Disability Glare. Glare resulting in reduced visual perFormance and visibility. It is often
accampanied by discomfort.
Discomfort Glare. Glare that produces discomfort, but does not necessarily diminish visual
performance.
Fixture. The assembly that holds the lamp in a lighting system. It includes the elements
designed to give light output control, such as a reflector (mirror) or refractor (lens), the
ballast, housing, and the attachment parts.
Footcandle. One foot-candle is one lumen per square foot. This simply means the amount
of light which hits one square foot.
Full-Cutoff. Means outdoor light fixtures shielded or constructed so that all of the light rays
emitted by the fixture are projected below a horizontal plane passing through the lowest
point on the fixture from which light is emitted. Drop or sag lensed type fixtures are not be
allowed. IESNA classification that describes a luminaire having a light distribution in which
11
ORDINANCE NO. �272
EXHIBiT A
zero candela intensity (visible light) occurs at or above an angle of 90° above nadir.
Additionally, the candela per 1000 lamp lumens does not numerically exceed 100 (10%) at
or above a vertical angle of 80° above nadir. This applies to all lateral angles around the
luminaire.
Glare. The lighting from a single or multiple lighting fixtures that causes one of the foltowing
conditions;
1. Produces sufficientfy greater luminance (light) in an area to which the eyes are
adapted to. This is known as Discomfort Glare.
2. Produces sufFiciently greater luminance (light) in an area which causes visual
performance loss and visibility. This is known as Disability Glare.
General Outdoor Lighting. Means all outdoor lighting used for, but not limited to
walkways, parking lots, equipment yards, outdoor security, autdoor retail or restaurant
areas, automotive dealers (display areas only), assembly or repair areas, recreational
facilities and similar applications where the use of the space or area requires accurate color
rendition and light for ease of movement.
High Intensity Discharge (HID) Lamp. In a discharge lamp, the emitted energy (light) is
produced by the passage of an electric current through a gas. High-intensity discharge
includes mercury, metal halide, and high pressure sodium lamps. Other discharge lamps
are LPS and fluorescent. Some such lamps have internal coatings to convert some of the
ultraviolet energy emitted by the gas discharge into visual output.
High-Pressure Sodium (HPS) Lamp. Is a gas-discharge lamp that uses sodium in an
excited state to produce light. There are two varieties of such lamps: low pressure and high
pressure. Low-pressure sodium lamps are the most e�cient electrica! light sources, but
their yellow light restricts applications ta outdoor lighting such as street lamps. High-
pressure sodium lamps have a broader spectrum of light than the low pressure, but still
poorer color rendering than other types of lamps. Low pressure sodium famps only give
monochromatic yellow light and so inhibit color vision at night.
IESNA. Means Illuminating Engineering Society of North America.
Incandescent Lamp. Light is produced by a filament heated to a high temperature by
electric current. These lamps include MR Lamps, Tungsten Halogen Lamps, Par and R
lamps.
EISA 2007 set new performance requirements for certain common light bulbs, requiring that
these bulbs become approximately 25-30% more efficient than the light bulbs by 2012-
2014. Overall, the intent of this is to bring into the market more efficient light bulbs. Some
new incandescent products could be introduced by the effective dates of the law, including
a bulb by General Electric that will decrease the amount of energy required. Non-
incandescent bulbs, such as compact fluorescent (CFL) and light emitting diodes (LED)
already meet the Tier I standards introduced.
12
ORDINANCE NC�. 12�2
EXHIBIT A
induction Lighting. The internal electrode less lamp or induction light is a gas discharge
lamp in which the power required to generate light is transferred from outside the lamp
envelope to the gas inside via an electric or magnetic field, in contrast with a typical gas
discharge lamp that uses internal electrodes connected to the power supply by conductors
that pass through the lamp envelope.
Installed. Means any legal installation of outdoor light fixtures after the effective date of this
chapter.
Lighting-Emitting Diode (LED� Source. An electronic semiconductor device that emits
light when an electric current passes through it. They are considerably more efficient than
traditional light bulbs and provide for long lamp life. LEDs are used in many applications
such as flat-screen video displays, indoor and exterior lighting fixtures.
Light Pollution. An unwanted effect of manmade outdoor lighting that contributes to the
effects of sky glow, light trespass, and/or glare.
Light Trespass. An undesirable condition in which exterior light is cast where it is not
wanted.
Lumen. A unit measurement of a light bulb, arc tube or light emitting diodes (LED) light
output expressed as initial Lumens or lumen output.
Luminaire. A complete lighting unit consisting of a lamp or lamps and the parts designed to
distribute the light, to position and protect the lamp(s), and to connect the lamp(s) to the
power supply. (Also referred to as fixture). The comptete lighting unit, including the lamp,
the fixture, and other parts.
Mercury Lamp. The mercury vapor lamp is a high intensity discharge lamp. It uses an arc
through vaporized mercury in a high pressure tube to create very bright light directly fram its
own arc. Mercury lamps are not approved in the City of Palm Desert.
Metal-Halide Lamp. This type of lamp is also known as an 'MH' lamp. It is an HID lamp
(High Intensity Discharge), which means it provides most of its light from the electric arc
within a small discharge tube. It is becoming increasingly popular due to its good quality
white light and good efficiency. The most prominent use of the MH lamp is in stadiums and
sports fields. It is also used widely for parking lots and street lighting in urban areas.
Mounting Height. Means the distance from the finished grade to the top of the lighting
fixtures including any lighting fixture foundation.
Municipal. Means an area, street or facility which is owned or managed by the City of Palm
Desert or is associated with a City of Palm Desert facility such as parks, recreation facilities
or a city-owned or managed building such as City Hall.
Non-Cutoff. Describes a luminaire having a light distribution in which no limitation of light
intensity occurs above 90° above nadir.
13
ORDINQNCE NO. 12�2
EXHIBIT A
New Development Area. Means any development in previously unimproved areas. This
includes new developments generally recagnized as planned housing, industrial or
commercial developments.
Off-Street Lighting. Lighting for off-street parking in public, private, municipal or restricted
parking areas. All lighting positioned off the street in public and private properties i.e.
parking lots, building lighting, walkway lighting, parks, and fenced yards.
Outdoor Light Fixture. Any lighting product intended and designed for outdoor use to
provide illumination of a defined area or subject.
Parking Area. An area, other than a public street, designed or used primarily for parking.
Pedestrian Scale. Means a luminaire mounted at no more than ten feet above finished
grade and intended to illuminate a walking path or small pedestrian area,
Photometry or Photometric. The quantitative measurement of light level and distribution.
This information is developed with programs designed to illustrate foot-candles numerically
on a project site plan.
Plasma Lighting (LEP). Plasma lamps are a type of gas discharge lamp energized by
radio frequency (RF) power which produce high Illuminance for exterior applications such
as streets, large big box parking lots and sports lighting applications. The LEP lamps have a
life ranging from 30,000 to 50,000 hours, a CRI of 95. Their LEP lamp is able to operate up
to 50% more efficiently than conventional HID (High-intensity discharge lamp) lamps while
generating the same maintained lumens as a conventional 4�0 watt system at about half
the energy. The technology also allows the lamp to be dimmed to 50% of the rated lamp
lumen output.
Recreational Facilities. Means public, municipal or private facilities designed and
equipped for the conduct of sports, leisure time activities, and other customary and usual
recreational activities. Outdoor recreational facilities include, but are not limited to, fields or
stadiums for softball, baseball, football, soccer, golf courses, driving ranges and other "field
sports," and courts for tennis, basketball, votleyball, handball and other"court sports."
Reflector. Controlling light output by means of reflection (mirror).
Refractor. Controlling light output by means of refraction (lens).
Street Lighting. Means lighting for all streets or highways including intersections.
Semi-Cutoff. Means outdoor light fixtures designed or constructed so that ninety-five
percent (95%) of the light rays emitted by the fixture are projected below the horizontal
plane passing through the photometric center of the fixture from which the light is emitted. A
luminaire light distribution in which the candela per 1000 lamp lumens does not numerically
exceed 50 (5%) at or above an angle of 90° above nadir, and 200 (20%) at or above a
vertical angle of 80° above nadir. This applies to all lateral angles around the luminaire.
14
ORDINANCE NO. 12�2
EXHIBIT A
Sky Glow or Urban Sky Glow. Any adverse effect of manmade light that produces direct
lighting into the sky from the lamp compartment that is not shielded.
15