July 1, 2008 | Vol 3, Num 26
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News to know

Saflex opens photovoltaic business
As the solar market grows rapidly in the U.S. and across the world, solar divisions sprout up like mushrooms within glass and glazing companies. ... read more

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Welcome to the days of air-travel pains
The fuel-guzzling airline industry is hurting bad from sky high oil costs, and passengers are sharing the pain. ... read more

Product spotlight

Upcut saw
Pat Mooney Inc., Addison, Ill., introduced PMI upcut saws that cut aluminum extrusions and provide a burr-free finish, according to a company release. ... read more

Risk tip of the week

Defining disability insurance
There are two types of disability insurance policies: short-term and long-term. ... read more


UPG opens third plant
With the completion of its 55,000-square-foot building in Lincolnton, N.C., June 19, United Plate Glass Co., Butler, Pa., adds to its fabrication capabilities with a third tempering furnace, a cutting table, a flat polisher, a top drill shower door fabrication line, an insulating line with gas press and dual polyurethane and silicone secondary sealing. ... read more

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Project news Green building tops Philadelphia skyline
“The Comcast building used a combination of clear-over-clear glass with a high-performance low-E coating for the flat walls, and low-iron-over-low-iron glass with a different low-E coating at the accent features of the building such as the 100-plus-feet-high Winter Garden main entrance, the sloping corners of the building, the inset curtain walls at the top of the building and the top crown of the building. Additionally, the executive levels are connected with a stunning all-glass, four-level structural staircase, manufactured by Seele of Germany. Treads, landings, risers and stringers, all of low-iron multi-ply laminated glass, surround a glass-enclosed video wall from the 51st floor to the 54th floor.”
—Walt Cichonski, director of engineering, L.F. Driscoll Co.

The basics: The glass-enclosed Comcast Center at 17th Street and JFK Boulevard, houses Comcast Corp.’s headquarters. Completed in June, it stands as the city’s tallest building, 975-feet with 58 stories and 1.4 million square feet. The owner expects the building to achieve Leadership in Energy and Environmental Design for Core and Shell certification from the U.S. Green Building Council. The $495 million project, including $55-million for the exterior glazing, features office, restaurant and retail space, a 120-foot-high glass-enclosed winter garden, and three three-story “sky-atria” in the lower portion of the tower’s south façade overlooking a half-acre public plaza.
The players: Owner and developer, Liberty Property Trust, Malvern, Pa.; design architects, Robert A.M. Stern and Graham Wyatt, Robert A.M. Stern Architects LLP, New York; associate architect, Kendall/Heaton Associates Inc., Houston; environmental design consultant, Atelier Ten of London and New York; general contractor, L.F. Driscoll Co., Bala Cynwyd, Pa.; glazing contractor, Enclos, Eagan, Minn.; glazing consultants, Curtain Wall Design and Consulting Inc., Dallas; glass fabricators, Viracon, Owatonna, Minn. and J.E. Berkowitz LP, Pedricktown, N.J.; glass stair engineer and manufacturer, Seele GmbH and Co. KG, Germany; curtain wall fabricator, Enclos, Eagan, Minn.
The glass and systems: Viracon supplied clear-over-clear glass with a VE 1-2M high-performance low-E coating for the flat walls, and J.E. Berkowitz provided low-iron-over-low-iron glass with PPG Solarban 60 low-E coating. Makeup of both types of glass is ¼-inch heat-strengthened low-E No. 2, ½-inch air space, and ¼-inch HS. All spandrel conditions match the vision glass with the addition of a painted metal-panel shadow box. Enclos custom manufactured the four-sided structural-glazed, unitized aluminum curtain wall. Winter Garden panels are 10-foot-wide-by-17-foot-tall unitized assemblies. The typical building assembly measures 5-foot-wide-by-15-foot-tall up to floor 43, and 5-foot-wide-by-17-foot tall for floors 44 to 56. Each unitized panel, an individual trapezoid shape, slopes toward the building’s center.

Photo courtesy of Nick Fazzini, Plymouth Meeting, Pa.

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