Located on the Inner Harbor
, the Baltimore World
Trade Center is the world's tallest regular pentagonal building (the pentagonal JPMorgan Chase Tower in Houston, Texas is taller, but is not regular). It was designed by the architectural firm Pei Cobb Freed & Partners, with the principal architects being Henry N. Cobb and Pershing Wong.Construction started in October 1973. The building was completed in January 1977 at a cost of $22 million.
Rising 405 ft (123 m) above the one-acre plaza where it stands between Pratt Street and the harbor, the building is 30 stories tall when its basement, lobby level and upper utility level are included in the count. Gross floor space covers 422,000 sq ft (39,200 m sq). Major building components include 309,000 sq ft (28,700 m sq) of office floors, a lobby of 13,000 sq ft (1,200 m sq) and 38,000 sq ft (3,500 m sq) of ground level plaza.
Alignment and lighting :
The building was positioned so that a corner points out towards the waters of the Inner Harbor, suggesting the prow of a ship.Perched at the Harbor's edge, the building appears to rise out of the water when viewed from certain vantage points. It presents a frontal plane toward the city, across a broad plaza between the building and Pratt Street.
In the base at each of the building's five recessed corners, 4,500-watt xenon spotlights dramatically illuminate the building at night, from the ground up, with oversized parabolic mirrors at the top of the five corners then reflecting the light outward in brilliant V-shaped beams.Installed in 1994, the xenon lighting system replaced 1,000-watt incandescent lamps originally installed at the base of the building, which illuminated only the first three floors.
Top of the World :
An observation deck on the 27th floor, called "Top of the World," provides a 360-degree view of the city. The observation deck is open to the public during daytime hours.