HomeMy WebLinkAboutTrans 2012-11-05 Item 2A - Purchase - 190 LEOTEK LED Lighting Fixtures from Tacoma Electric (2012 Annual Traffic Signal Program)TO:
City of Tukwila
Jim Haggerton, Mayor
INFORMATIONAL MEMORANDUM
Mayor Haggerton
Transportation Committee
FROM: Bob Giberson, Public Works Director
By: Stan Anderson, Street Superintendent
DATE: November 2. 2012
SUBJECT: 2012 Annual Traffic Signal Program
Project No. 91210404
Purchase of 190 LEOTEK LED Luminaires
ISSUE
Purchase 190 LED roadway lighting luminaires for $95,072.52.
BACKGROUND
Currently roadway illumination for the City of Tukwila is as high as $190,000 each year in
electrical utility costs. The latest advances in roadway LED lighting technology can
reduce the power consumption for lighting fixtures by nearly 50 %, while providing more
reliability and longer life to the fixtures. Also, the cost of LED fixtures has been going
down over the years and is now only 20% higher than traditional light fixtures.
This purchase will be the second phase of our LED streetlight conversion. We should
expect to see lower utility costs and reduced maintenance calls as we continue to convert
the older lighting fixtures that are on metered accounts throughout the City. The 2012
traffic control budget in both Streets 000.16 and 104 Fund's Annual Traffic Signal
Program have remaining balances that can be utilized for this purchase.
The 2011 LED purchase was bid by 2 vendors and LEOTEK Electronics was selected
based on LED unit cost per fixture. Based on past performance and less inventory, we
chose to stay with LEOTEK units, but purchase through a local vendor, Tacoma Electric
to simplify the process.
BUDGET SUMMARY
000.16.542.640.31.01
104.98.595.800.64.00
Traffic Control Supplies $ 45,072.52
Annual Traffic Signal Program 50.000.00
Total $ 95.072.52
RECOMMENDATION
Approve purchase in the amount of $95,072.52 for the acquisition of 190 LED roadway
lighting fixtures from Tacoma Electric and consider this item at the November 13, 2012
Committee of the Whole meeting and subsequent November 19, 2012 Regular meeting.
Attachments: Quote
Leotek Brochure
W:\PW Eng1PROJECTS\A- RW & RS Projects\2012 Annual Traffic Signal Program',Info Memo LED Purchase 10- 26- 12.docx
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PO. Box 11308 Tacoma, WA 9 1 IC08, (253) 475 -0540, Seattle: (206) 824 -9592, Toll Free: (800) 422-0540
1311 South Tacoma Way, Ta ' ma, A 98409, Sales Fax: (253) 475-0707 ,4Ccounting Fax: (253) 474 =0092
16202 57th Avenue Fast, Puyallup, WA 98375', (253) 531 -7335, Fax (253). 531 -8946
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The LED Street Light
With All The Features That Cities Want
Philadelphia, PA
(J® The Leader in Electro- Ootics Technoloel
a subsidiary company of -11.-LITEMI
3
Better Lighting Using Less Energy
Leotek Electronics USA presents the GreenCobra' LED street light - enabling cities to achieve significant energy savings
AND substantially improve the color and uniformity of their outdoor lighting.
The pictures below tell the story of the GreenCobran". Traditional High Pressure Sodium "Cobra Head" style street lights
(shown on the left) dump too much yellow Tight near the pole and spill excessive light behind the pole into neighbor's yards
and windows. This is wasted light and wasted energy. At the same time, there are very dark areas in between the poles that
can create very hazardous conditions.
The picture on the right shows the same street illuminated with the Leotek LED GreenCobra ' units. Notice that the light is
much more uniform without either the wasted light below the pole or the dark spots in between. Also, most people find the
crisp "white light" produced by the LEDs to greatly improve visibility and make it easier to clearly identify colors and details.
Alameda, California
Before
70W HPS Drop Glass Cobra Heads
System Power — 95 Watts
After
40 LED Leotek GreenCobra'"
System Power — 47 Watts
High performance LEDs and precision optical systems:
• Eliminate hazardous dark spots between poles
• Substantially reduce wasteful dumps of light directly below the street light
• Shield unwanted light from trespassing into residential windows
• Create a highly uniform white light on the roadway enhancing night time visibility
• Minimize direct uptight from the luminaire AND the reflected light from the roadway which contributes to urban sky glow
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The Clean Daytime Form With Proven Market Performance
The least controversial form will be one that matches the existing
roadway luminaire as closely as possible. As the street lights are
gradually changed, during the day one neighborhood won't appear
different or better than another. This timeless form is ubiquitous
and literally disappears from the viewer's consciousness. Unseen
and unnoticed, the classic cobra head form is the simple solution for
an LED retrofit.
Lasting Construction Can Slash Maintenance Costs
The days of sending crews out in bucket trucks to change HID street Tight lamps, ballasts, and starters are over. The
GreenCobra street lights carry a 5 -year limited warranty that covers the LEDs, power supplies, finish and all other luminaire
components. However, in all likelihood, these units will burn for well over a decade before any servicing is required.
Long Life LEDs are projected to last
a minimum of 74,000 hours (19
years) before depreciating to 70%
of initial light output.
Rugged power supplies are
rated to last over 100,000
hours (24 years) under normal
operating conditions .
„Aim
Fade and abrasive resistant
polyester powder coat finish
protects die cast aluminum housing
from salt and pollutants for many
years.
Easy Installation and Tool -Less Electrical Maintenance
Stainless steel latches allow
entry to the luminaire for
maintenance without tools.
Large wiring chamber, full size
terminal block, and quick electrical
disconnects assure that
installation or servicing can be
done in a few minutes.
In case of failure of an electrical
component, the entire "power door"
is easily removed and replaced. Also,
in the future the luminaire can be
easily upgraded for dimming and
control functions.
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LEOTEK
An American Success
immor-
Focusing 100% on LED technology, Leotek Electronics was
founded in 1992 in the heart of Silicon Valley, California. Leotek
was instrumental in revolutionizing the traffic signal business and
saving cities millions of dollars in energy and maintenance costs
while reducing the green house gases required for powering
incandescent traffic signals. Today Leotek is the leading supplier
of traffic signals in North America having shipped over 4 million
units in the last decade.
Recognizing the benefits of LEDs over HID sources, in 2006
Leotek introduced their first LED street light. Through product
innovation and superior service, today Leotek is now a leading
supplier of LED street lights in the United States.
In 2007, Leotek was acquired by the Lite -On Corporation. This $4
billion electronics company provides financial stability and the
customer assurance that Leotek will be around for generations to
honor any warranty claims and continue innovating exceptional
LED products.
ory
Leotek Electronics USA Corp. 1 Lite -On Building 1 Milpitas, CA
Broad Product Offering
The Green Cobra is offered in two housing sizes for replacing up to 400W HID street lights. Providing a choice of eight LED
arrays, driven at three current levels, with three different lighting distributions assures that the appropriate Tight levels can
be achieved for each design criteria, mounting height, road width and pole spacing.
GC1 /GCA1 GreenCobraTM' series
utilize up to 80 LEDs for
replacement of up to 250W HID
halide luminaires.
Optional flush- mounted, house -
side shield plate can be factory
or field installed. The back light
strips sharply cut light off at Y.
mounting height behind
luminaire.
GC2 /GCA2 Green KingCobra'
series utilize up to 120 LEDs for
replacement of up to 400W HID
luminaires.
Brackets are available for
mounting luminaires on square
poles, round poles, post tops
and walls.
Lootek Electronics USA Corp.
726 S H9lviow [rive 1 Milpitas, CA 95035 1 (408) 380 -1788
www.leotek.com 1 020712.811
Micro -lens optical systems
provide Type 2 or Type 3
lighting distributions that
typically conform precisely to
designated roadway.
In coastal areas and other
environments where birds
gather, the optional bird spider
can eliminate the problem of
unsightly waste on the
luminaire.
information provided subject to change without notice
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