08-28-06 Joint PC-EC Agenda
AGENDA
Golden Valley Planning Commission
Joint Meeting with the Environmental Commission
Lighting Ordinance Discussion
Golden Valley City Hall, 7800 Golden Valley Road
Council Conference Room
Monday, August 28, 2006
6pm
I. Lighting Ordinance Discussion
Golden Valley Planning Commission
Regular Meeting
Council Chambers
7pm
I. Approval of minutes
July 24, 2006 Planning Commission Meeting
II. Informal Public Hearing - General Land Use Plan Map Amendment
Applicant: City of Golden Valley
Address: 700 and 800 Xenia Avenue South
Purpose: To change the General Land Use Plan Map designation for the
properties at 700 and 800 Xenia Avenue South from Light Industrial
to Mixed Use.
III. Informal Public Hearing - Preliminary Design Plan - Union X, LLC, Miner Site -
PUD No.1 03
Applicant: Union Land X, LLC
Address: 700 and 800 Xenia Avenue South
Purpose: To allow for a mixed use development that includes approximately
200,000 sq. ft. of office space, a 74 unit condominium building and
about 15,000 sq. ft. of retail space
IV. Reports on meetings of the Housing and Redevelopment Authority, City
Council, Board of Zoning Appeals and other meetings
V. Other business
Subdivision Ordinance and Infill Housing Development - Lot Splits
VI. Adjournment
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Hey
Planning
763-593-8095 I 763-593-8109 (fax)
Date:
August 21,2006
To:
Golden Valley Environmental and Planning Commissions
From:
Aaron Hanauer, Planning Intern
Subject:
Outdoor Lighting Ordinance
Summary
This memo contains a draft outdoor lighting ordinance to be reviewed by the
Environmental and Planning Commissions at the August 28, joint meeting. The draft
ordinance, which incorporates input from the March 27, Joint Planning and
Environmental Commission meeting (March 27 Summary below), would create
outdoor lighting standards for private property.
To help understand the technical information and proposed standards, the attached
document includes illustrations, explanations, and research information within the
proposed ordinance. If you have questions prior to the August 28 meeting, please feel
free to call.
March 27 Joint Environmentaland Planning Commission Meeting Summary
Selected Meeting Minutes
Strong agreement on the following:
. Ensure safety is not sacrificed
. Implement restrictions on uplighting (exception flag poles and perhaps
lighting that shines completely onto building)
. Allow athletic events and venues to have some protection from ordinance
Survey Results
Nine of the 12 members completed surveys that asked what Commission members
want addressed in an outdoor lighting ordinance. Below are the compiled results.
1. Rank the outdoor lighting issues in order of importance (Top 4)
1. Overillumination
2. Wasted energy
3. Up lighting/sky glow
4. Height of poles
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2. What zoning districts do you want addressed in the ordinance
. All zoning districts 44 %
. All zoning districts excluding low density residential 44%
. Commercial only 11 %
Attachment:
Draft Outdoor Lighting Ordinance (19 pages)
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luldllr Li~line
Slandards
in GIlden Valley
Draft outdoor lighting ordinance for Planning and Environmental Commission review
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Subdivision 1.
Subdivision 2.
Subdivision 3.
Subdivision 4.
Subdivision 5.
Subdivision 6.
Subdivision 7.
Subdivision 8.
Subdivision 9.
Subdivision 10.
Subdivision 11.
Subdivision 12.
Subdivision 13.
Subdivision 14.
Outdoor Lighting Ordinance (Section 11.73)
Table of Contents
Purpose. 4
Definitions. 4
Applicability. 7
Prohibited Lights. 7
Method of Measurement. 8
Nonconformities and Nuisance. 8
Lighting Plan Requirements. 8
Requirements for Residential (Rl and R2) Zoning Districts. 9
General Requirements for other zoning districts (Non R-l and R-2 Proper
ties). 10
Specific Requirements for Parking Lot Lighting. 11
Specific Requirements for Service Stations. 14
Specific Requirements for Auto Sales Areas. 14
Requirements for Uplighting and Accent Lighting. 18
Temporary Lighting. 18
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Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Note 1.
Note 2.
Note 3.
Note 4.
Figures
Cutoff Angle Illustrations 5
Light meter readings in Golden Valley 6
Fixture Shielding 7
ParkingLot Photometric Plan Proposed Basic Level 13
Parking Lot Photometric Plan Proposed Enhanced Level 14
Service Station Proposed Lighting Level Illustration. 16
Auto Dealership Photometric: Rudy Luther 17
Auto Dealership Photometric: Carousel 18
Notes
Importance of Uniformity Ratio 7
Parking lot lighting level explanation. 12
Service station lighting level explanation. 15
Autodealerhsip lighting explanation 15
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Figure1
Cutoff Angle
Illustrations
Subdivision 1. Purpose.
The purpose of these regulations is to create standards for outdoor lighting which will provide for
nighttime safety, security and utility while reducing light pollution, light trespass, and conserving
energy for residential and non- residential properties.
Subdivision 2. Definitions.
For the purpose of this Section the following terms shall have the meanings given.
A. "Cutoff' - The point at which all light rays emitted by a lamp, light source, or
luminary is completely eliminated (cutoff) at a specific angle above the ground.
B. "Cutoff Angle" - The maximum angle formed by a line drawn in the direc-
tion of emitted light rays at the light source and a line perpendicular to the ground from the light
source.
Cutoff Al1!1e Df" (Ii
ClU(lfi'MIle of '4i6 (I
N'o-Cut&rt lAlIi:IbIlsiN
C. "Flood Lighting" - Any light fixture or lamp that incorporates a reflector or a
refractor to concentrate the light output into a directed beam in a particular direction with a wide
or narrow beam.
D. "F ootcandle" - The American unit used to measure the total amount of light
cast on a surface (illuminance). One (1) footcandle is equivalent to the illuminance produced by
a source of one (l) candle at a distance of one (l) foot (See Figure 2 for footcandle measure-
ments in Golden Valley. )
E. "Full Cutoff-Type Luminary"- A luminary constructed or shielded to direct all
light at a cutoff angle of less than 90 degrees.
F. "Fully Shielded" - The luminary designed and installed where no light is emit-
ted at or above a horizontal plane running through the lowest point on the luminary.
G. "Glare" - Direct light emitted from a light source which causes eye discomfort.
Page-5
. Iflgure2.
Light meter
readings in
Golden Valley
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211
H. "IESNA (Illuminating Engineering Society of North America (IES or IES-
NA))" - The professional society of lighting engineers, including those from manufacturing
companies, and others professionally involved in lighting.
1. "Lamp" - The generic term for an artificial light source, to be distinguished
from the whole assembly (the Luminary). The lamp is commonly referred to as the "bulb".
J. "Light Pollution" - The shining of light produced by a luminary above the
height of the luminary and into the sky.
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Figure
3. Fixture
Shielding
Note 1.
Importance
of Uniformity
Ratio
K. "Light Trespass" - The shining of light produced by a luminary beyond the
boundaries of the property on which it is located.
L. "Lumen" - A quantitative unit measuring the amount of light emitted from a
light source.
M. "Luminary" - A complete lighting unit consisting of a lamp or lamps together
with the parts designed to distribute the light, to position and protect the lamps and to connect the
lamps to be powered. A luminary is commonly referred to as a "fixture."
N. "Partially shielded" - The condition where the luminary incorporates a trans-
lucent barrier, "partial shield," around the lamp that allows some light to pass through the barrier
while concealing the lamp from the viewer.
O. "Shielded(ing)" - When the light emitted from the fixture is projected below
a horizontal plane running through the lowest point of the fixture where the light is emitted. The
bulb is not visible with a shielded light fixture, and no light is emitted from the sides ofthe fix-
ture. Also considered a "full cut-off fixture."
Fully Shielded Fixture
Partially Shielded Fixture
Unshielded Fixture
P. "Uniformity Ratio" - A description of the smoothness of the lighting pattern or
the degree of intensity of light and dark areas in the area to be lighted. Uniformity is expressed as
a ratio such of the maximum footcandle measurement to minimum footcandle measurement. The
lower the ratio the more uniform the lighting design.
Q. "Up lighting" - Lighting that is directed in such a manner as to shine light rays
above the horizontal plane.
R. "Wallpacks"- A light fixture that mounts on the wall.
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Subdivision 3. Applicability.
A. Except as otherwise provided, the lighting standards of this Section shall be
applicable to all residential and non-residential uses.
B. The regulations in this Section do not apply to the following:
1. Lighting required by the Federal Aviation Administration or other fed-
eral or state agency.
2. Public right-of-way lighting.
3. Temporary lighting for authorized special events, theatrical, television,
and performance areas.
4. Lighting of public and existing outdoor recreational facilities, such as
but not limited to ball fields, tennis courts, soccer fields, hockey or skating rinks, golf courses,
golf-ball driving ranges, and special events or play areas. Lighting for these outdoor recreational
uses shall be shielded to minimize light from spilling over onto adjacent residential properties.
Public recreational facility lighting is prohibited after 10:30 pm, unless a later completion time is
approved by the City Manager, or his/her designee.
5. Lighting within swimming pools.
6. Temporary lighting used for the construction or repair of roadways,
utilities, and other public infrastructure.
7. Vehicular lights and all temporary emergency lighting needed by the
police department and fire protection district, or other emergency services.
8. Sign lighting which is governed by Section 4.20 of City Code.
9. Decorative Seasonal Lighting.
Subdivision 4. Prohibited Lights.
A. The following lights are prohibited:
1. Mercury Vapor lamps.
2. Low pressure sodium. Low Pressure Sodium lights are prohibited unless
the City Manager or his/her designee finds that the color distortion effect of low pressure sodium
lighting will not create a hindrance to crime prevention and investigation.
3. Lighting fixtures mounted to aim light only toward a property line.
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Subdivision 5. Method of Measurement.
A. Any light measurements shall be taken with a light meter with cosine, color
correction. Measurements shall be taken with a light meter that has been calibrated within the
year. Any measurements shall be measured by positioning the meter horizontally at finished
grade (ground level).
B. Any light measurement taken at the property line shall be measured at the
greatest point of illumination of said property line. If measurement on private property is not
possible or practical, light level measurements may be made at the boundary of the public street
right-of-way that adjoins the property of the complainant or at any other location on the property
of the complainant.
C. Any light measurements to determine the minimum and maximum lighting
levels internal to a site will be taken at the greatest and least points of artificial illumination.
Subdivision 6. Nonconformities and Nuisance.
A. Any new outdoor lighting installed after the effective date of this ordinance
shall comply with the requirements of this Section. Lighting in existence before the effective date
of this ordinance that does not comply with the requirements hereof shall be considered legally
non-conforming to the extent provided by the terms of Section 11.90, subd. 2.
B. Any nonconforming luminary which is injurious to health, or offensive to the
senses, or an obstruction to the free use of property, so as to interfere with the comfortable enjoy-
ment of life or property is hereby declared to be a nuisance. Evidence that a nonconforming
luminary directs glare to other private property located in a residential zoning district at a level of
illumination caused by the luminary equal to or greater than 0.5 footcandles on the other private
property creates a presumption that it is a public nuisance. Such fixtures shall be altered to re-
duce the level of illumination in the residential zoning district to less than 0.3 footcandles within
30 days of receiving a written notice from the City Manager or his/her designee. If the owner or
occupier of the property containing the nuisance fails to correct the level of illumination within
such 30 day period, such failure to correct shall be deemed to be a continuing violation ofthis
section.
Subdivision 7. Lighting Plan Requirements.
An outdoor lighting (photometric) plan shall be submitted in conjunction with application for any
non R-l or R-2 development for review by the City. No building permits shall be issued for, nor
construction commenced of, any multiple-dwelling or nonresidential development until a photo-
metric plan has been submitted to the City and approved by the City as being consistent with the
terms of this Section. A photometric plan shall include the following:
A. The location and height above grade of each light fixture.
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B. The type (such as incandescent, halogen, high pressure sodium) and luminous
intensity of each light source with points no greater than 30 feet apart.
C. The type of fixture (such as floodlight, full-cutoff, lantern, coach light).
D. Estimates for site illumination resulting from the lighting, as measured in foot-
candles, should include minimum, maximum and average illumination. Comparable examples
already in the community that demonstrate technique, specification, and/or light level should be
provided if available to expedite the review process.
E. Hours of illumination.
F. Certification by the property owner or agent and the preparer of the plan that
the exterior lighting depicted on the plan complies with the requirements ofthis Section. Once
the plan is approved, the exterior lighting ofthe property shall conform to the plan.
G. Other information deemed necessary may also be required by the City Man-
ager or his/her designee to document compliance with the provisions of this Section.
H. If deemed necessary, the City may require the applicant's outdoor lighting plan
to be reviewed by a lighting consultant at the applicant's expense.
Subdivision 8. Requirements for Residential (Rl and R2) Zoning Districts.
The provisions in this Subdivision apply to the RI and R2 Zoning Districts.
A. Lighting Levels. The maximum power of any light source shall be 150 watts.
"
B. Light Trespass. All outdoor lighting shall be designed and located such that the
maximum illumination shall not exceed 0.3 footcandles at the property line.
C. Security Lights. Motion activated security lights and unshielded floodlights or
spotlights are permitted. However they must be mounted and aimed in a manner that minimizes
up-lighting, glare, and meet the light trespass requirements of Section 8B.
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Subdivision 9. General Requirements for other zoning districts (Non R-l and R-2 Proper-
ties). The following provisions apply in all areas except for R1 and R2 zoning districts.
A. Lighting Fixtures. All exterior lighting shall use full cut-off luminaries with the
light source downcast and fully shielded, with the following exceptions:
1. Luminaries that have a maximum output of four hundred (400) lumens
per fixture, regardless of number of lamps (equal to one forty [40] watt incandescent light), may
be left unshielded provided if the luminary has an opaque top and is under an opaque structure.
2. Luminaries that have a maximum output of one thousand (1,000) lu-
mens per fixture, regardless of number oflamps (equal to one sixty [60] watt incandescent light)
may be partially shielded provided the lamp is not visible, and the luminary has an opaque top or
is under an opaque structure.
3. If the design of an area suggests the use of parking lot lighting fixtures
or building fixtures that are of a particular architectural style, the City Manager or hislher desig-
nee may permit alternatives to full-cut off fixtures. The developer shall demonstrate that unde-
sirable off-site impacts stemming from these light sources are reduced by the fixture design or
location of the lighting fixture.
4. Up lighting/Accent Lighting described in Subdivision 13A.
B. Light Trespass. Outdoor lighting shall be designed and located such that the
maximum illumination shall not exceed 0.5 footcandles at the property line.
C. Mounting Height. For the purpose of these regulations, the mounting height of
a lighting fixture shall be defined as the vertical distance from the grade elevation of the surface
being illuminated to the bottom of the lighting fixture.
1. Free-standing luminaries used for driveways, parking, and transit are
permitted to be a maximum of thirty (30) feet in height. If a raised foundation is required in
parking areas to protect the poles from automobile front bumpers, the raised foundation and pole
may not exceed thirty-three 33 feet.
2. When a luminary is located within five hundred 500 feet of an R1 or R2
residential property, the maximum permitted luminary height, including base, shall be twenty-
five (25) feet.
3. Exceptions for pole heights. The top exterior deck of parking garages
shall be treated as normal pole mounted lighting rather than as lights mounted to buildings. The
maximum height for light poles shall be twenty (20) feet.
4. Free-standing luminaries used for walkways, plazas and other pedes-
trian areas are permitted to be a maximum of eighteen (18) feet.
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Note 2.
Parking lot
lighting level
explanation.
Page - 12
D. Timer, Dimmers, and Sensors. Wherever practicable, lighting installation shall
include timers, dimmers, and/or sensors to reduce overall energy consumption and eliminate un-
needed lighting.
E. Curfew. Lighting systems for non R-l and R-2 properties shall be extinguished
or reduced in lighting by at least fifty (50) percent beginning one hour after close of business and
continuing until dawn or start of business, whichever is sooner. The reduction shall be deter-
mined as an overall average for the site. Given that a certain minimum lighting level is recom-
mended for safety and security purposes, this provision does not require parking lot lighting
levels to be reduced to less than 0.2 footcandles.
Subdivision 10. Specific Requirements for Parking Lot Lighting.
The following specific lighting level requirements apply only to parking lot lighting.
A. Open-air parking lot lighting shall be designed to provide for uniform lighting
throughout the facility with no dark patches or pockets.
B. For multilevel parking facilities, the roof level shall be considered an open-air
parking lot.
C. Open-air parking lot lighting standards. The table below establishes open-air
parking lot lighting standards.
:! ~ r~ :,.--, ~"c,.o<" ..... ..' "Basic Level Enhanced SeciititY Lever
\>.' . ,.
~.~~ '"
MirWn.lm bKardes an Q2ft: 0.5 fc
IIaDrun ~1Ies an 4_0 ft: 7.5fc
UdbTrity Ratio 20:1 15:1
1IaDrun: miinun
*The City Manager or his/her designee may increase from Basic to Enhanced Security light-
ing levels, when personal security is an issue, such as where the parking facility is used during
all hours of the day and night, where special security needs exist, or where vandalism or crime
levels are greater than the average. The City Manager or his/her designee may consider specific
site characteristics, level of vehicle and pedestrian conflict, special security needs, and history or
likelihood of crimes in making its detelmination.
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Figure 4.
ParkingLot
Photometric
Plan Pro-
posed Basic
Level
.
L
I
.
Compliance
Non-compliance
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priVe~ and Parki~
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1..!i15 5.6 0.5 3. 1 11.2
Page - U
Figure 5.
Parking Lot
Photometric
Plan Pro- i~~u.~ uu;.';ltz' ---
posed En- .~ ,~;: o.o~~ '!J~- o'''''''''.;~,'!::: .o.~
hanced Leve ~-
--
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~ I D
'6. 0 '0.
Compliance
Project
IDrives and Parking
New Sam's Club (Saint Louis Park)
Average Maximum Minimum Average/Min
1.3 15.5 0.2* 6.5
MaxiMin
77.5
L
I
Non-compliance
Note': Actual minimum is 0
Light Trespass
.
Page - 14
.
.
.
Note 3. Ser-
vice station
lighting level
explanation.
Subdivision 11. Specific Requirements for Service Stations.
The following specific requirements apply only to service stations:
A. Canopy Lighting.
1. Lighting fixtures mounted under canopies used for vehicle shelter shall
be aimed downward and installed such that the bottom of the light fixture or its lens, whichever
is lower, is recessed or mounted flush with the bottom surface of the canopy. A full cutoff light
fixture may project below the underside of a canopy. All light emitted by an under-canopy fixture
shall be substantially confined to the ground surface directly beneath the perimeter of the canopy.
2. Lights shall not be mounted on the top or sides (fascias) of the canopy,
and the sides (fascias) of the canopy shall not be illuminated.
3. Light levels shall not exceed twelve (12) footcandles average main-
tained at the perimeter of the canopy and measured at ground level.
B. The minimum illumination beyond the perimeter of the canopy shall be one (1)
footcandle and no more than five (5) footcandles. At the discretion of the City Manager or his/her
designee, increased lighting levels may be permitted for enhanced security purposes only.
Note 4. Subdivision 12. Specific Requirements for Auto Sales Areas.
Autodealerh-
sip lighting
explanation
The following specific requirements apply only to auto sales areas:
A. Lighting Levels. Lighting levels shall not exceed a maximum of twenty (20) footcandles any-
where within an auto sales area.
B. Light Uniformity. The maximum uniformity ratio (maximum illumination to minimum illumi-
nation) throughout an auto sales area shall not exceed 30: 1.
Page -15
.
.
.
Figure 6.
Service Sta-
tion Proposed
Lighting
Level Illus-
tration.
Page - 16
-
e
e
SITE LIGHTING LOCATIONS
Outdoor Lighting - Canopies for Gas and Convenience Stores
ROADWAY
- - - - - - - - - - -..... - - - - - - - --
A
r--------------,
I';+~ *~ * I
: ~ <==) :
I I
Ai*" * *iA
f I
I ~ cg:::g) I
I I
I*""* * I
L______________~
A
GAS STATION OR
CONVENIENCE
STORE
A LESS lHAN OR EQUAl. TO 12 Fe
(average malnlaIned IIl1der canopy)
....
1
h
REFSEC:
REVISED:
DETAIL NO:
LG-2
ommunity Appearance Manual
LTG.5
.
Figure 7.
Auto Deal-
ership Pho-
tometric:
Rudy Luther
.
L
I
.
Compliance
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.....d
[Onves and ~arki~"
RM(r f.JIIIrer T~
A~ge "!iimum -Min.!mu!!i_ Aver~~Mm"4axJMiii
U....... 4Q.8 02 U*Dwn :l!W
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Page-II
.
Figure 8.
Auto Deal-
ership Pho-
tometric:
Carousel
.
e;)e;)
~, _~:In
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L- ~ Non-compliance
Page - 18
.
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Prajed C8rJuIElAr.*l De~ .
IDriveS-and Pariting A~g~ Maximl!!!LMjn.!rrll..!!_A~r!~Min t-otaxIMiL
u...... 13 1.3 ~ !i8
.
.
.
Subdivision 13. Requirements for Uplighting and Accent Lighting.
A. Up lighting/ Accent lighting.
1. Architecture features may be illuminated by up lighting, provided that
the light is effectively contained by the structure, the lamps are low intensity to produce a subtle
lighting effect, and no glare or light trespass is produced.
2. For statues, public art, or other objects of interest that cannot be illumi-
nated with downlighting, upward lighting may only be used in the form of confining the illumi-
nation to the object of interest.
3. Up lighting of flags is permitted with a limit of two (2) fixtures per flag
pole with a maximum of one hundred and fifty (150) watts each. The fixtures must be shielded
such that the point source is not visible outside of a fifteen (15) foot radius.
Subdivision 14. Temporary Lighting.
A. Lighting used to illuminate temporary uses shall be reviewed, and if necessary
conditioned, through the Temporary Use Permitting process.
B. The City Manager or his/her designee may impose specific conditions for the
lighting of temporary uses consistent with the purposes of this section.
Page -19