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Founded in 1997, MRS Industrial specializes in all types of fabrication and installation work, from design-build to specifications or from concept to completion. The Columbus, Ohio-based facility includes two buildings that are connected in the middle. The buildings are 80 feet by 375 feet and 80 feet by 325 feet with a 20-foot ceiling height. Through its lighting management and maintenance program, regular lamp replacement of its T8, six-lamp, high-bay fixtures had become a popular choice to maximize lighting system effectiveness and control costs. However, the current lamps were no longer producing the appropriate lumens levels needed for productivity. China Lighting Manufacturers
With its stringent and intricate manufacturing processes, MRS Industrial knew that the proper use of lighting could lessen fatigue, production errors and accidents—especially among nightshift workers or those on rotating shifts. With the current lighting system no longer providing the needed illumination, the company determined it was time to update the lighting in the two buildings.
To improve the illumination, MRS Industrial needed to determine the best re-lamping strategy that fit their facilities’ needs. MRS Industrial wanted to upgrade the current T8 fixtures with high efficiency LEDs. To determine the best products for the retrofit, MRS Industrial reached out to Bill Liberto, Regional Sales Manager for EarthTronics, Inc. EarthTronics, Inc. manufactures a wide range of energy saving long life LED lighting products for commercial and industrial applications. Liberto met with Scott Cosgrove and reviewed the many options available to them to both reduce energy consumption and maintenance costs while increasing illumination levels at key points throughout MRS Industrial manufacturing processes.
The team established three major criteria to replace the T8 fixtures. First, the new lighting system had to provide better efficiency in delivering lumens. Second, the team wanted to increase footcandles on the floor. Finally, the fixtures had to be more cost efficient.
As part of the process, the team worked with Bill Liberto at EarthTronics, who recommended a photometric fixture offering. Liberto was put in touch with Doug Peterman, electrical owner of MCE, and salesman PJ White from Professional Electrical Product Company (PEPCO) Columbus, a premier electrical solutions distributor and packager, offering a full line of quality products, support personnel, and expert services. Liberto worked in conjunction with PEPCO and Peterman to optimize the lighting fixtures photometrics.
After a thorough investigation, the team specified 320-watt Linear Highbay LEDs from EarthTronics in the high-bay areas in the two facilities. Suitable for damp locations, the Linear Highbay LEDs feature a 5000K color temperature with a high 84 CRI to provide excellent visual acuity and illumination. They deliver excellent energy savings compared to similar linear fluorescent and HID fixtures. In fact, the lightweight, compact-designed fixtures deliver more than 50 percent energy savings and boast a rated performance life of up to 100,000 hours.
For lower ceiling areas, the team specified 105-watt Linear Highbay LEDs also from EarthTronics. Both the 320- and 105-watt high-bay fixtures deliver 150 lumens per watt, operate on 120/277VAC, 50-60Hz, and feature an integral LED lens constructed from PMMA that provides even illumination across the face of the high bay. The fixtures also offer zero to 10-volt dimming capability.
MRS Industrial installed 75 of the 320-watt high bay LED fixtures in the high-bay areas, and another 15 of the 105-watt fixtures on lower ceiling areas. The result of the new lighting system was dramatic on the shop floor. Light levels went from 12 footcandles to over 52 footcandles—more than quadrupling the light levels around key areas in the buildings.
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