Commercial Building Products July/August 2015 - (Page 45)
Relamping Brightens Gyms, Cuts Costs
Left. The Ventura Unified School District projects an annual energy saving of $34,070 by relamping seven gymnasiums with Sylvania Pentron HO Supersaver Ecologic
high-output T5 linear fluorescent lamps.
Linear-fluorescent replacement lamps upgrade
gymnasiums while cutting school district's energy bill.
Above. The new lamps were paired with Osram
Quicktronic high-efficiency electronic ballasts, which
are suited for high-temperature environments like highbay gymnasium applications where large crowds can
increase the room's temperature.
he lighting in seven gymnasiums in Ventura
Instead, SLS recommended Sylvania Pentron HO Super-
This represented a significant savings to the district.
(California) Unified School District (VUSD),
saver Ecologic high-output T5 linear fluorescent lamps
Since each fixture is sensored, if a group was only using
using 400-W metal-halide and 42-W com-
because of their long life, quality of light, and pro-
half the gymnasium, the lights in the other half turn off
grammed rapid-start operation.
if not in use.
pact-fluorescent high-bay luminaires, just wasn't getting
the job done.
The new lamps were paired with Osram Quicktronic
School-district administrators project an annual sav-
"Not only did the lighting create an awful buzzing
high-efficiency electronic ballasts, which are suited for
ing of 193,300 kWh, translating into $34,070 in energy
noise that was distracting, but the metal-halide lamps
high-temperature environments such as high-bay gymna-
savings and avoidance of 107,954 lbs. of CO2 emissions.
drew a lot of power, weren't controllable, and the quality
sium applications where large crowds can increase the
In addition, because of the long life of the lighting sys-
of light was poor with glare and hot spots," said Dave
room's temperature. The ballasts use programmed rap-
tems, the district also expects to save approximately
Marshall, VUSD facilities director. "When parents are
id-start operation for highest system efficacy, longer life,
$4,600 in maintenance costs each year.
watching their kids play, it made it difficult to clearly see
and more than 100,000 switching cycles for occupancy
"The coaches, staff, students, and community have
the game or event. In addition, we had to wait for the
sensor and building-control systems applications. The
raved about how the light quality is so much better in the
lights to come to full brightness when we turned them
Quicksense ballast technology helps protect against over-
gymnasiums with the new lighting. We also appreciate
on, which was frustrating. We needed something better
heated bases and sockets, prevents cracking of the lamp
the new system because since the lamps have such a long
and someone to help us make the right decision."
glass wall, and uses dynamic end-of-lamp-life sensing to
life, we won't have to spend as much in maintenance
VUSD turned to Sylvania Lighting Services (SLS),
avoid false shutdowns caused by some static sensing
costs, getting up to the high ceilings, to replace them as
Danvers, CT, an Osram Americas company, for a solu-
methods. The ballast technology will also auto reset
often as we used to," said Marshall. CBP
tion. SLS began by conducting complete energy audits
when spent lamps are replaced with new ones.
for each of the seven schools, including illuminance read-
The gyms were completely rewired for zonal lighting
ings, photometrics, load verification, thermal readings,
so the schools could turn lights on only where they need-
data-logging reports, heating penalties, and labor savings.
ed them, such as half court. The biggest energy savings
Energy rebates provided by the local utility were also re-
was the inclusion of motion sensors that ensured the
searched and secured, and the savings were applied to the
lights would shut off when not in use. Each fixture is
cost of the project, which helped the school system min-
provided with an occupancy sensor. In the past, due to
Circle 17 on the Reader Service Card.
imize upfront costs.
warm-up time, lights were turned on for the first class and
Download a lighting solutions brochure.
LED lamps were considered, but SLS determined
left on all day. The new T5HO technology is instant on,
them to be neither as cost effective nor as efficient as the
so the new controls automatically turn off fixtures after
alternative. In addition, there was a concern about glare.
no movement or occupancy is detected after 15 minutes.
Want more information? The resources below are
linked on our website and in our digital magazine
Download a spec sheet for the Sylvania Pentron HO
Supersaver Ecologic high-output T5 linear fluorescent lamp.
COMMERCI A L BUIL DING P RODUC T S
Table of Contents for the Digital Edition of Commercial Building Products July/August 2015
Table of Contents I
Table of Contents II
Helping Buildings Evolve Gracefully
Fan-Coil Integral In Hotel Renovation
Reclaimed Water System Scores Touchdown
HVAC & Plumbing Products
Renovation Conserves Industrial Legacy
Windows & Doors Products
Nuts To Poor Insulation
Youth Theatre An Engineering Challenge
Building Technology Products
Relamping Brightens Gyms, Cuts Costs
Lighting & Electrical Products
Commercial Building Products July/August 2015