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Waldorf Astoria looking northwest. Image via Cope-Linder Architects

Looking at the Waldorf Astoria Hotel & Residences Once Proposed at 1441 Chestnut Street in Center City

8:00 am on March 3, 2021 By Thomas Koloski

Today’s entry in Philly YIMBY’s ongoing “unbuilt” series is the Waldorf Astoria Hotel & Residences Philadelphia, proposed at 1441 Chestnut Street in Center City, where the W/Element Hotel is now nearing completion. The 567-foot-tall, 59-story tower would have occupied the south side of the site of the former One Meridian Plaza, a 492-foot-tall office skyscraper damaged by a lethal fire in 1991 and demolished in 1999 (yesterday YIMBY covered a supertall structure proposed earlier at the site). Like the W/Element Hotel, the Waldorf Astoria iteration was also designed by Cope-Linder Architects, though the developers at the time were Mariner Commercial Properties, Inc. and Gatehouse Capital Corporation. The tower would have featured 181 hotel rooms and 126 residences.

Center City Tower rendering with Liberty Place. Image via Kling Lindquist

A Look Back at Center City Tower, Once Planned as the City’s First Supertall Skyscraper

8:00 am on March 2, 2021 By Thomas Koloski

In the late 1990’s, a massive supertall was planned at the site of the 492-foot-tall One Meridian Plaza, an office skyscraper damaged by a fatal fire in 1991 and demolished in 1999. The proposed Center City Tower at 1414 South Penn Square in Center City would have been built where The Residences at The Ritz-Carlton and the under-construction W/Element Hotel currently stand. Designed by Kling Lindquist, the 1,050-foot tower would have become the first supertall skyscraper in Philadelphia, rather than the Comcast Technology Center, which took the title 20 years later. Notably, Comcast was also considering taking office space at Center City Tower, and the cable company’s decision to pull out of the project and to build Comcast Center at 17th and Arch Street instead was a major reason behind the supertall’s cancellation.

World Trade Square aka Renaissance Plaza. Credit: Alesker & Dundon Architects

Visualizing World Trade Square, an Unbuilt Multi-Tower Complex in Northern Liberties, North Philadelphia

8:00 am on February 28, 2021 By Thomas Koloski

Yesterday Philly YIMBY published a feature story covering the 1,050-foot-tall Philadelphia World Trade Center supertall planned at 456 North Christopher Columbus Boulevard on the Delaware River waterfront in Northern Liberties in 1988. After the proposal fell through, developer Carl Marks Real Estate Group contracted Alesker & Dundon Architects to redesign the project as four shorter yet still impressive skyscrapers, which were to take up most of the 5.5-acre site. The development would now be known as World Trade Square, and later as Renaissance Plaza.

Philadelphia World Trade Center looking northeast. Model by Thomas Koloski

Revisiting the Unbuilt Philadelphia World Trade Center Supertall Proposal

8:00 am on February 27, 2021 By Thomas Koloski

In 1988, plans were revealed for a 1,050-foot-tall, 65-story Philadelphia World Trade Center supertall at 456 North Christopher Columbus Boulevard on the Northern Liberties waterfront. The tower would have stood just to the north of the Benjamin Franklin Bridge, located close to the boundary between North Philadelphia and Center City. The plan, which later evolved to the World Trade Square project, consisted of three shorter high-rises alongside the main tower. The skyscraper was designed by Kling Lindquist, which was also bend the Bell Atlantic Tower and the unbuilt Center City Tower. Carl Marks Real Estate Team, along with Lance Silver and Stuart Harting, were the developers.

Twin Independence Blue Cross Towers. Image from WZMH Architects

Examining the Once-Proposed Twin Independence Blue Cross Towers

8:00 am on February 26, 2021 By Thomas Koloski

Ever since the 500-foot-plus height limit was erased after One Liberty Place went up, developers rushed to construct buildings taller than the prior boundary. Designed by WZMH Architects, the twin towers of the Independence Blue Cross Tower were originally proposed to stand next to each other, rising 625 feet and 45 stories tall at 1901 Market Street and at 1919 Market Street in 1901 Market Street and at Center City West. The group behind the design is the same as the one that designed the CN Tower in Toronto, Canada. The developer of the twin tower project is The Linpro Company, which has only erected one tower that stands out on the skyline.

Bridgeman's View Tower. Rendering via Studio Agoos Lovera

Looking Back at Bridgeman’s View Tower, an Unbuilt 915-Foot-Tall Skyscraper Once Proposed in Northern Liberties, North Philadelphia

7:30 am on February 25, 2021 By Thomas Koloski

Over the course of the past three decades, many high-rise projects have been proposed along the Delaware River, yet most bit the dust before construction had ever begun. One of these is the 915-foot-tall, 66-story Bridgeman’s View Tower planned in 2007 at 900 North Delaware Avenue in Northern Liberties, North Philadelphia, a surprising location for such a tall skyscraper proposal, given the area’s then-lowrise profile. Designed by Studio Agoos Lovera and developed by Marc Stien, Ryan Roberts, and an undisclosed North Jersey real estate investment team, the tower was planned to feature a mix of residential office, hotel, and retail space, with 794 condominiums and 200 to 300 boutique hotel rooms.

Philly YIMBY Reveals Massing Models for the Schuylkill Yards Supertall in University City, West Philadelphia

8:00 am on February 16, 2021 By Thomas Koloski

Ever since the master plan for Schuylkill Yards in University City was unveiled for the first time, it displayed a supertall skyscraper dominating the 14-acre site, a feature that persisted throughout all future iterations. Renderings show a glass-clad tower rising at 3101 Market Street, accented with bronze highlights that appear similar to those at 9 DeKalb and 111 West 57th Street in New York City, which are also designed by SHoP Architects, the group behind the Schuylkill Yards master plan. Brandywine Realty Trust, the project developer, is also responsible for projects such as the 350-foot-tall tower proposed at 2100 Market Street in Center City. As of the 2016 renderings, the supertall appears to rise around 1,100 feet high.

Mellon Bank Center. Photo via Elizabeth Day Art & Architectural Illustration

A Look at the Former, Taller Iteration of Mellon Bank Center, Center City

8:00 am on February 12, 2021 By Thomas Koloski

The 824-foot Mellon Bank Center at 1735 Market Street was completed in 1990. Originally, the tower had a similar design yet with a taller shape and several other differences. Designed by Kohn Pedersen Fox and developed by CommonWealth REIT, the tower would have stood 880 feet tall and would have featured projecting floor space at the corners up to an estimated height of 400 feet. The crown would have also appeared more skeletal than it looks today. Stone patterns all around the base are different.

American Commerce Center rendering via Kohn Pendersen Fox

The Story of the American Commerce Center, Once Planned as Philadelphia’s Tallest Tower

8:00 am on February 10, 2021 By Thomas Koloski

During the construction of the first Comcast Center tower, many wondered whether the 975-foot-tall skyscraper would rank as the city’s tallest for much longer. Just a few months before the former’s topping out, details were released about the American Commerce Center at 1800 Arch Street, a proposal that stunned many development watchers with its 1,510-foot height. The project was being developed by Hill International Real Estate Partners and designed by Kohn Pendersen Fox, a firm that is also behind the 792-foot-tall Mellon Bank Center, currently the city’s fifth-tallest building, and Arthaus, a 542-foot-tall skyscraper currently under construction. The development was ultimately canceled and the 1,121-foot-tall Comcast Technology Center was built at the site.

Philadelphia skyline from South Street Bridge. Photo by The Philadelphia Inquirer

The Illustrated History of Philadelphia’s Skyscraper Boom of 1984-1991

8:00 am on January 28, 2021 By Thomas Koloski

The Philadelphia skyline is anchored by a group of particularly tall buildings, but just 40 years ago, not a single tower rose over 548 feet, the height of the City Hall tower that was completed in 1901. An informal “gentlemen’s agreement” held towers back from rising above the limit, but no developer was successful until One Commerce Square was approved in 1984, which was soon followed by a series of even taller skyscrapers. Philly YIMBY looks at the history behind these Center City buildings, which shaped a major portion of the Philadelphia skyline as we know it today.

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