The 58 story, 975 feet glass encased tower features 1.25 million square feet of office, restaurant and retail space.
Integration of sustainable design is the notable characteristic feature of this sky scrapper. It uses 40% less water than a typical office building. Water saving fixtures save more than three million gallons of drinking water annually, of which, waterless urinals in all restrooms save 1.2 million gallons.
Heat-island effect caused by pavement is reduced by 70% thanks to the shading. The low-E coating on the curtainwall glass blocks 60% of heat while allowing in 70% of the sun’s visible light.
The use of sustainable design by Liberty was evident right from the beginning. During demolition and construction, Liberty diverted more than 80% of the waste from construction to salvaging and recycling, keeping 25,000 tons of waste out of landfills.
An under-floor water loop is used to cool the winter garden and 6th floor atrium floor during the summer and warm it during the winter, and hence saves energy.
More than 90% of occupants enjoy outside views from their workspaces and each floor is flushed with outdoor air regularly to remove contaminants and to keep air fresh.
Rainwater harvesting has been implemented for onsite irrigation, reducing potable water consumption for irrigation by 65%.
Comcast Center’s proximity to five major mass transit options reduces automobile use, therefore reducing CO2 emissions from commuters by 50%. Charging stations are available for electric vehicles. The building uses recycled glass, aluminum cans, newsprint, plastics, paper and cardboard.
Robert A.M. Stern Architects of New York led the design team of this tallest building in Philadelphia and the fifteenth tallest building in the US.