LRC Issues New Guide for Lighting Parking Lots

LDS LRC logo 400

May 5, 2020

The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute has published a new guide for parking lot lighting, which demonstrates how to promote safety while reducing power demand by lighting the parking lot area more uniformly.

“Exterior lighting in parking lots should support the visibility of hazards—and reinforce perceptions of safety so that people are not afraid to use the space at night,” said Jennifer Brons, Director of Design Demonstrations, who was one of the guide’s authors.

The guide provides a summary of research results on this topic, along with four steps that lighting designers and specifiers can follow in order to compare performance of alternatives to a base case parking lot lighting design.

Average light levels are important contributors to perceptions of safety in parking lots. But to minimize power demand, lighting designers and specifiers should strive to maximize uniformity. While sources with higher correlated color temperature (CCT) will be perceived as brighter than low CCT sources, this is limited in importance compared to uniformity. With better uniformity, much lower average illuminances can be provided while improving both perceived safety and brightness. The guide also provides a link to a calculation tool that specifiers can use to estimate occupants’ ratings of perceived safety.

“By using perceived safety as a performance criterion, alternate lighting designs can be evaluated to minimize power demand while balancing other design criteria,” said John Bullough, Director of Transportation and Safety Lighting Programs. “Taking advantage of uniformity has implications not only for energy savings but also for minimizing light pollution.”

Support for this research was provided by Natural Resources Canada and other members of the Lighting Energy Alliance, including Efficiency Vermont, Energize Connecticut, National Grid, Northwest Energy Efficiency Alliance, and ComEd.

Go HERE for the full guide

Source

Related Articles


Changing Scene

  • Congratulations Within – New Appointments for 2022

    November 30, 2022 At Mulvey & Banani, they believe that their success is because of their people, and that people are the most important part of their business. The following individuals have demonstrated excellent aptitude, initiative and leadership amongst their teams. This year, together with their subsidiaries, Mulvey & Banani Audio Visual (MBAV) and Mulvey… Read More…

  • A-Light Wins Two GRANDS PRIX DU DESIGN Awards

    November 29, 2022 A-Light has announced its Relay and Absorb I luminaires have received 2022 GRANDS PRIX DU DESIGN Awards in the 15th edition of the competition. Relay is a PLATINUM winner in the Industrial Design/Lighting Fixture-Indoor category. And Absorb I received GOLD CERTIFICATION in both the Lighting Fixture-Indoor and Product-Acoustic categories. The GRANDS PRIX… Read More…


Design


New Products

  • Eureka Introduces Tangram-Trace Architectural Luminaire

    Eureka Introduces Tangram-Trace Architectural Luminaire

    November 30, 2022 Eureka announced the release of its Tangram-Trace architectural luminaire. Using bold straps and a prismatic lens, Tangram-Trace creates a dramatic aesthetic and provides high quality, diffused linear illumination. It is intended for modern environments such as conference and executive areas, hospitality applications, or reception spaces. Tangram-Trace luminaires are suspended using four-inch-wide straps,… Read More…

  • EarthTronics Introduces Flexible 5”/6” Recessed Ceiling Downlight Trim Kit

    EarthTronics Introduces Flexible 5”/6” Recessed Ceiling Downlight Trim Kit

    November 30, 2022 EarthTronics introduces its 5”/6” LED Recessed Ceiling Light Trim Kit offering five color selectable operations for commercial and residential retrofit and new construction applications. The downlight is CCT selectable and can be easily switched between 2700K, 3000K, 3500K, 4000K and 5000K at time of installation for the desired color temperature.  The 5”/6” LED Recessed… Read More…