Office

Current view of 22 East Durham Street. Credit: Google.

Permits Issued for Eight-Unit Building at 22 East Durham Street in Mount Airy, Northwest Philadelphia

Permits have been issued for the construction of an eight-unit mixed-use building at 22 East Durham Street in Mount AiryNorthwest Philadelphia. The structure will rise five stories tall, with office space situated on the ground floor. A roof decks will be situated atop the building. In total, the structure will hold 2,400 square feet of interior space and cost an estimated $1.2 million to build. Joseph Donahue is listed as the design professional, with PRA Construction Management Services LLC specified as the contractor.

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Comcast Technology Center 2014 and current design from Spring Garden Street Bridge. Left: image by Foster and Partners. Right: Photo by Thomas Koloski

Comparing The 2014 and Final Design of The Comcast Technology Center

Soon after the completion of the 973-foot-tall Comcast Center in 2008, which stood as the tallest building in Philadelphia, local residents and outside watchers wondered what was next for the city skyline. Almost six years later, on January 15, 2014, the design for the Comcast Technology Center, then known as the Comcast Innovation and Technology Center, was revealed to the public. The tower would become the new tallest skyscraper in Philadelphia, planned to stand 1,121 feet tall at 1800 Arch Street in Center City, across the street from the previous record-holder. The design by Foster and Partners was an unfinished version of the current building, as many portions of the building had to be finalized. The developer of the Comcast Technology Center is Liberty Property Trust, which met its fate when it was purchased by Prologis Inc. In this YIMBY feature, we compare the 2014 design and the current version of the skyscraper using renderings, architectural models, and photographs.

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Philadelphia City Hall 1910. Photo via shorpy.com

Looking at the Construction of Philadelphia City Hall’s Clock Tower

At the time of construction, Philadelphia City Hall at 1400 John F. Kennedy Boulevard in Center City was a building that was both ahead of its time and inspired by traditional design. The municipal floors and the clock tower feature stone walls, cornices, pillars, and decorative additions that brought the public to awe. The 548-foot structure was designed by John McArthur Jr. and Thomas Ustick Walter, who have both worked on other well-known buildings. John McArthur Jr. designed the First National Bank, and Thomas Ustick Walter designed the new and current dome of the Capital Building in Washington D.C. While the highest space in the building sits nine floors above ground, the clock tower stands hundreds of feet tall and was constructed just after the municipal floors. Today Philadelphia YIMBY looks at the construction of the clock tower, which ranks as the world’s tallest freestanding masonry building.

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First scheme of the PSFS Building. Image via George Howe

Looking Back at Early Iterations of the PSFS Building

Earlier this year, Philadelphia YIMBY ran two features (one introductory and another covering construction) on the iconic PSFS Building at 1200 Market Street in Market East, Center City. The sizable high-rise, developed for the Philadelphia Savings Fund Society, was a modern marvel at the time it was built, and to this day it still makes an impression with its height and history. The 36-story building stands 491 feet tall, with the antenna bringing the total height to 792 feet. The tower was designed by George Howe and William Edmond Lescaze, who made a few iterations of the design before arriving at a version that became one of the first major International-style skyscrapers.

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Comcast Technology Center under construction July 2016. Photo by Thomas Koloski

Observing the Comcast Technology Center After the Topping Out of the Concrete Core

The majority of Philadelphia’s tallest skyscrapers stand in Center City to the west of City Hall, which include the Comcast Technology Center at 1800 Arch Street. The supertall, which is the tallest building in the city, has risen into the skyline between 2014 and 2017. Designed by Foster + Partners, the tower’s structure is compromised of a central concrete core surrounded with a steel frame, with the facade mostly clad in glass and metal. The tower was developed by Liberty Property Trust, which collaborated with Comcast to erect their second tower in the city. In this article, Philadelphia YIMBY takes a look back to when the Comcast Technology Center was under construction at the time when the core had just topped out.

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