KPF designs Lotte World Tower in Seoul

Architectural firm KPF showcased the Lotte World Tower in Seoul, South Korea. Won via an international design competition, this new tower that will rise up to a height of 1,820 feet is organized around a mixed-use program, including retail, office, hotel and an observation deck at the peak. The tower is said to have been inspired by historical Korean arts of ceramics, porcelain, and calligraphy.

The first nine floors are dedicated to retail; floors 11 to 47 are dedicated to office space; floors 52 to 75 house “officetel” space; and floors 80 to 109 are to contain a 7-star luxury hotel. The remaining upper floors of the 123-story tower are allotted for public use and entertainment facilities, housing the observation deck and rooftop café.

Structural systems employed within the tower include a concrete core surrounded by eight concrete supercolumns resting on a concrete mat tied back to the core via steel outrigger trusses. Also used to further stiffen the tower and resisting lateral loading are belt trusses. The uppermost portion of the structure – the pinnacle – makes use of a steel diagrid frame that can be seen the through the translucency of the curtain wall.

For LEED Gold accreditation, KPF and building owners Lotte Moolsan Group made use of environmentally-friendly features, including: photovoltaic panels, wind turbines, external shading devices, and water harvesting systems.

The tower is slated to top out in 2014.

Photo courtesy of KPF

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