Tag Archives: fixtures

Officials warn businesses near beach about lights during sea turtle nesting season

Officials warn businesses near beach about lights during sea turtle nesting season
By Angela Rozier
Updated 9:39 PM EDT May 20, 2015

It’s turtle nesting season and officials in Martin County are concerned.

They are so concerned they sent a letter to representatives at the Publix Supermarket at 900 North Ocean Blvd. on Hutchinson Island in Stuart letting them know the parking lot lights can be seen from the beach.

County officials released a survey pointing out just how far those lights can reach.

Robert Ernest, the chief operating officer with the Ecological Associates Inc. said that’s a problem primarily for the hatchlings because when they leave from the nest they are orienting to the brightest horizon.

“And typically on a dark beach that’s the light reflecting off the ocean so they know how to get to the ocean, and when you have lights that are landward of the nest that can confuse them and draw them in the wrong direction,” Ernest said.

The letter states Publix should lower, reposition or shield the lights so they can’t be visible on the beach.

WPBF 25 News reached out to Publix officials, who issued a statement that reads:

“We haven’t received any official notice of violation. We did install light blinders at this store location and are in the process of permitting for new lighting fixtures as the ones currently in use are rusted. We are also working with the Florida Oceanographic Institute for the best lighting approach.”

County officials say they will also be sending letters to a local condominium and resident also found out to be in violation.

Publix has 90 days to adjust the lights.

facebooktwittergoogle_plusredditpinterestlinkedinmailby feather

Cree develops light-guide based LED fixtures for offices and garages

Cree develops light-guide based LED fixtures for offices and garages (UPDATED)
Published on: April 30, 2015
By Maury Wright
Editor in Chief, LEDs Magazine

WaveMax edge-lit optics deliver lighting in two directions and enable sleek LED-based luminaire designs for high-end office space and optimized parking-garage applications.

Cree has announced WaveMax technology — an optical light guide platform that enables LED-edge-lit solid-state lighting (SSL) products with stylish sleek looks. Moreover, the company has announced the LN Series suspended linear fixture for use in Class A office space, although Cree says the design will ultimately prove affordable anywhere suspended fluorescent fixtures are used. A new parking garage fixture will follow with a four-sided light guide that evenly distributes light below the fixture and around the perimeter of the beam pattern.
Discussing Cree’s LED-based lighting products, vice president of product strategy Gary Trott said, “We’ve always made light better.” But Trott described the WaveMax technology as using Diamond Facet Microlenses embedded in the light guide to control the beam, and said that technology solves the three key roadblocks to optimum lighting — control, uniformity, and efficiency. “We wanted to make lighting better than anyone thought possible,” said Trott about the new technology.
Cree, of course, is not the first company to deliver luminaires based on LED edge lighting and planar light guide technology. GE Lighting has a number of luminaires in its Lumination portfolio based on its Intrinsx light guide, and has announced high-profile projects using the technology. Likewise, Eaton’s Cooper Lighting has been proliferating luminaires based on its WaveStream light-guide platform.

Both Cooper and GE Lighting licensed the technology behind their light guide from Rambus. Cree, conversely, said that it developed the WaveMax technology in house. An unnamed optics manufacturer is actually making the light guides or lenses for Cree.

LN Series
As you can see in the nearby photo, the LN Series pendant is stunning. The product is designed to deliver 60% of its output upwards for indirect lighting reflected from the ceiling, and 40% of its light directly to the work surface. The light guides are mostly transparent when off, and Trott said, “It looks awesome on or off.”

Still, the real selling point according to Cree is performance. Trott said that indirect/direct fluorescent fixtures have never delivered efficiency combined with great looks and lighting. Realistically, florescent tubes were intended for use in reflectors. Still about indirect/direct light, Trott said, “When it comes to office or schools, there is no better way to light it.”
The LN Series is designed to deliver the best light distribution and to be affordable. Cree has not released prices. But Trott said it will be priced competitively to top fluorescent indirect/direct fixtures and lower than competitive LED-based products.
Cree will sell the LN Series only in 4-ft versions delivering 3400 lm. The products can be cascaded end to end with power passed through the joining mechanism. The company will offer a choice of 3500K or 4000K CCT and CRI of 90. Efficacy is up to 110 lm/W. The product will support 0-10V dimming as a standard feature or can be specified with Cree wireless SmartCast controls. Cree plans to ship the LN Series in July commercially.

IG Series

Further down the production pipe will come the IG Series parking-garage fixture that Cree says it will ship in August. The IG has a truly unique look for a product designed for a garage, with a square design formed by the light guides that extend directly downward. Again, the optics deliver light in two directions. The outer surfaces deliver the uniform, glare-free perimeter pattern and the inner surfaces deliver the uniform light under the fixture.

The IG Series follows what Cree calls an extremely successful LED-based fixture in the VG Series announced in 2013 for parking garages. Trott said the company wasn’t sure it could innovate further in the use of LEDs for garage lighting. But Trott also said in the case of the IG that “form really follows function on this in a lot of ways.”

Cree, however, is again not the first to use a light guide in a parking fixture. Cooper announced a WaveStream-based parking-garage fixture called the McGraw-Edison TopTier in late 2013. Cooper claimed uniform light and low glare among the benefits of the approach.
Still, the Cree design is quite compelling and looks more like a fixture you might see indoors on a ceiling. The only concession to the application is the sensor you can see inside the optics that form the perimeter, and the fact that the industrial design does little to hide the driver resting in the middle of the design.
Cree plans to offer the light-guide-based product in 4000- and 7500-lm versions that operate at 35W and 65W, respectively. Efficacy goes up to 115 lm/W with a drop to 80 CRI. The light will be offered at a choice of 4000K or 5700K CCT.

facebooktwittergoogle_plusredditpinterestlinkedinmailby feather

Cleveland Cavaliers light NBA practice facility with GE Albeo LED high-bay fixtures (VIDEO)

Cleveland Cavaliers light NBA practice facility with GE Albeo LED high-bay fixtures (VIDEO)
Published on: April 2, 2015
By Maury Wright
Editor in Chief, LEDs Magazine and Illumination in Focus

The 17,000-ft2 practice floor is lit with more than 70 GE Lighting Albeo fixtures while the team has also installed GE Lumination EL Series luminaires in the locker room.

Cleveland Cavaliers Facility

While the Cleveland Cavaliers push toward the US National Basketball Association (NBA) playoffs as the hottest team in the Association, the players spend their practice time working under new LED-based sports lighting from GE Lighting’s Albeo brand. The new lighting will save considerable energy while also offering the instant-on capabilities sought by the team. The retrofit of the player development center, called the Cleveland Clinic Courts, also included installation of GE Lighting Lumination EL Series fixtures in the locker room.
Cleveland Cavaliers light NBA practice facility with GE Albeo LED high-bay fixtures for sports lighting.
The team was led to the retrofit by the long warm-up time of the older metal-halide (MH) sports lighting. “I was walking across the court with our general manager not long ago when, lo and behold, we lost power,” said David Painter, senior manager of practice facilities for the team. “The only lights that came back up were the LEDs, and he looked at me and he said, ‘DP, we’ve got to get this done. It’s a no-brainer.’”
The main practice room in the 17,000-ft2 facility includes two full-size courts. So the team wanted granular control of the sports lighting, along with the instant-on capability in part because of the need to record practice sessions. “We needed instant-on ability from our new lights to get the team back in action as fast as possible,” said Painter. “We also shoot a lot of video and host media events here too, so it’s important our gymnasium looks its best and brightest at all times.”

The team turned to manufacturer representative Myriad Energy for help in selecting products for the retrofit project. The firm recommended products from Albeo for the project. The new sports lighting is rated for 100,000 hours of life with no maintenance.
It’s no surprise that LED lighting is acceptable for a professional sports team at this point as a number of stadiums and arenas now use LED-based lighting. Just recently we covered an LED sports lighting project at the Major League Baseball (MLB) Seattle Mariner’s Safeco Field. Moreover, the National Football League (NFL) Super Bowl was played under LED lighting this year.
The Cavaliers’ practice facility is well lit by the new sports lighting as is evident in the nearby photo and the video below. But the main benefits are the instant controllability, greatly reduced maintenance, and lower energy usage.
Painter said replacing burned-out MH lamps was a significant problem. “We have 50-ft ceilings that pitch back to 36 ft. We had to invent a pulley system just to change the old lights,” said Painter. “Now there’s no issue with ballasts or replacing bulbs, which may be the thing I’m most excited about, personally.”
The team also expects to save $14,000 per year in energy costs from the combination of lighting and HVAC systems. That number could increase as the team installs controls. The lighting is already dimmable so energy usage is minimized when the courts aren’t in use. But the team is in the process of installing controls that will allow more granular dimming for portions of the practice-court area.
The players, meanwhile, are enjoying better, and more stylish lighting in the locker room as well. The EL Series luminaires use GE’s Intrinsx optical light guide technology. The fixtures have planar optical blades that extend from the fixture body vertically toward the floor.
“Cleveland Clinic Courts is among the most technologically advanced team development facilities in pro sports — if not the best — and additions like these new lights will keep it that way,” said Painter. We will see in the coming months if the practice-facility lighting, and perhaps the team’s reacquisition of LeBron James, deliver the fans the long sought championship.


facebooktwittergoogle_plusredditpinterestlinkedinmailby feather