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Team effort puts new star on the city's night-time skyline.

The owners of the iconic 230 Park Avenue office building have hailed the lighting engineers who have given the building a star spot on New York's night-time cityscape.

"The people of New York have rediscovered 230 Park Avenue as the architectural masterpiece that it is," said Anthony Westreich, president and CEO of Monday Properties.

"The building is now visible from a distance of 40 blocks north on Park Avenue. At close range, the building's elaborate bas-reliefs and architectural details can be appreciated."

After upgrading of the building's interior to earn LEED Gold Certification, Monday commissioned the lighting of the entire north facade and all sides of the building's crown and the golden cupola above the pyramid-shaped roof of the classic Beaux-Arts buildign designed by Warren & Wetmore, starchitects of the early 20th century.

Lighting designer Alfred Borden, principal at The Lighting Practice in Philadelphia, was selected to turn this into a reality.

"The building's details were indiscernible at night," said Borden, who used an array of powerful LED lighting fixtures from Montreal-based Lumenpulse to make the building's silhouette and details come alive after dark.

The combined energy use for the LED-lit facade and tower is 70 percent less than when just the roof was illuminated by high-pressure sodium sources.

Borden co-ordinated with electrical engineers AKF for the power connections for the system he specified.

Architects Beyer Blinder Belle and structural engineers Axis Design Group coordinated approvals from the New York City Landmarks Preservation Commission.

To preserve the original brickwork, the lighting fixtures were anchored to the mounts on exposed structural joints rather than by drilling into the building's surface. Installation was by Fred Geller Electrical, Inc.

Borden's choices to implement the lighting program were color-changing Lumenfacade and Lumenbeam fixtures manufactured by Lumenpulse.

He worked with Lumenpulse's technical team, overseen by president and CEO Francois-Xavier Souvay, to calculate the amount of illumination required for the coverage along the building's vertical north surface, the top floors, the rooftop and cupola.

Wide-angled Lumenfacade fixtures illuminate the pair of ground-level north- and south-bound vehicular-traffic tunnels that form arches through the building.

At intervals on the 5th, 16th, 32nd and 33rd floors, a mixture of Lumenbeam Large and LBX fixtures and Lumenfacade luminaires with narrow optics accent the architectural features and two- and three-dimensional decorative elements.

The sloping roof is illuminated by Lumenbeam Large and LBX flood lighting fixtures. Details on the cupola are accented by narrow-beam Lumenbeam and Lumenfacade fixtures.

"On a typical night, the standard white show will be run," says Borden. "It is created by 4,000K lamps with the pattern running for 27 minutes, then after a three-minute delay, the output of the lights will be modified to project a different set of static and dynamic images on the building facade."

Pacing the sequence is a Pharos LPC-1 Lighting Playback Controller using designer software. Programming for the equipment was managed by Joshua Baker, Lumenpulse's Applications Engineering Manager.

Each of the 700-plus Iuminaires is computer programmed to produce an overall white glow of the facade or for special full color shows during holidays or special events.
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Comment:Team effort puts new star on the city's night-time skyline.
Publication:Real Estate Weekly
Geographic Code:4EUUK
Date:May 15, 2013
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