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LEDLuminairesGuide A I Before LED Couple the challenges of operating


a parking lot with the environmental footprint of an airport and there is a lot of room for reducing energy costs and consumption. These issues have been growing in importance for the aviation industry, in part due to government poli- cy shifts and the public’s keen awareness of sustainable practices. The nearly 3,000 airports in the


FederalAviationAdministration (FAA) system are some of the largest and most visible public users of energy.Airports are one of the fastest growing segments of the transportation sector today. In fact, a Government Accountability Office report estimated that domestic air travel will grow at a rate of 3.6% annually through 2011. And as air travel increases, despite


significant progress in reducing impacts, aviation’s environmental footprint is also expected to grow.Although much of the environmental consequence of air travel occurs during the flight and outside an airport’s control, significant measures can be taken to better understand and


46 BY MICHAELWINEGARD


N TODAY’S CHAL- lenging economy, it’s more important


ever for facility man- agers, owners and opera-


tors to reduce energy and mainte- nance costs. This is crucial in many industries but certainly in parking facilities where lights are often on 24/7.


than


reduce those impacts within an airport’s responsibility. Energy is most often the second


largest operating expense at an airport, exceeded only by personnel costs. As energy costs escalate, airport operations and maintenance costs grow, too. There is tremendous pressure on airport facili- ty managers to reduce operational costs to help lower the bottom line for their airline tenants and to identify real,


operations more energy efficient and more sustainable is through installation of exterior light-emitting-diode (LED) luminaires.


Parking Lot Illumination In its “Lighting Handbook,” the


Illuminating Engineering Society of North America recommends parking lots be lighted at an average of 1 foot- candle or less of light, but most parking


After LED


implementable actions. Fortunately, energy is a very controllable operating expense; with prudent, energy efficien- cy investments, airports can readily reduce operating costs from 10% to 30% annually,


the Transportation


Research Board says. Some of the largest airports are


aggressively implementing green meas- ures to save energy costs and to gener- ate favorable impressions among travel- ers. To further encourage sustainability, the FAA has developed the Voluntary Airport Low Emissions Program (VALE), a national effort to reduce ground emissions at commercial service airports in designated air quality nonat- tainment and maintenance areas and provides financial and regulatory incen- tives to airports to invest in proven low- emissions technology. Today, airports that are implement-


ing sustainable practices not only aid in improving environmental quality, but also are operating favorably as well, at reduced costs in terms of energy effi- ciency. One key to making day-to-day


APRIL 2010 • PARKING TODAY • www.parkingtoday.com


lots are designedwith farmore illumina- tion than that. Traditional parking lot lights consume a staggering 22.2 billion kilowatt-hours per year, the Facilities Engineering Journal reports.And,Mar- ketdata Enterprises said a few years back, they cost an average of about $650 per year, per space using traditional luminaires, plus labor andmaintenance. Parking lot energy needs might be


reduced by more than 40% and mainte- nance costs by more than 80% with the installation of LED lighting, the U.S. Department of Energy (DOE) says.


LED Luminaires Lead theWay Recent innovation and continuous


improvements in lighting technology have given rise to tremendous energy- saving opportunities. Typically, LEDs were thought about only for aesthetic uses. But engineering and technological advances have improved LED lumi- naires’ performance, and it is possible to use high-efficiency LED lighting for commercial applications. LEDs have been around for more


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