Merdeka PNB 118 Tower

Project Profiles

Merdeka PNB 118 Tower

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2010 Environmental Opportunities Charrette with 40 members of the project design team.

In 2010, Terrapin facilitated an Environmental Opportunities Workshop with the design team, ownership, and a group of international consultants for the design of a 118-story tower in downtown Kuala Lumpur, Malaysia. The agenda of the group was to identify goals for the 3.2 million square foot commercial tower and 4 million square foot site planning, to review LEED credits, and to strategize on additional sustainability measures for the project. The workshop included specific discussions about the design of the Tower and vision planning for the greater site district.

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PNB 118 and mall complex. The skits of the tower will have an integrative solar photovoltaic array. The vertical column on the south side has a direct elevator route to the observation deck on the 117th and 118th floors. Rendering courtesy of Fender Katsalidis Architects.

PNB 118 aspires to be a model for workplace safety and sustainability, and to secure multiple platinum certifications through the Leadership in Energy and Environmental Design (LEED) 2009 Core and Shell, Green Building Index (GBI) and the GreenRE system. Given the tower’s height, orientation and glass façade, design strategies put particular emphasis on energy optimization, including an alternative solution for tower corners with extreme solar exposures, a district cooling system, dual use exhaust and cooling tower fans, and a unique HVAC strategy to facilitate temperature and humidity control of a 36-story atrium. Located in a dense urban center of Kuala Lumpur, the tower site is close to public transit, schools, and other amenities. The site will optimize outdoor space and navigability, while supporting site appropriate vegetation and a central water feature that each help manage rainwater and enhance the pedestrian experience in the Equatorial climate.

The overlay of the three certification systems benchmarks the project with a more comprehensive cross section of features than if using only one system. For instance LEED compares the project to a well-developed international standard. GBI is a similar Malaysia standard which adds emphasis on implementation and construction, the well-being of workers involved, and continued monitoring after the project is complete and is being operated. GreenRE is another Malaysia standard that provides additional emphasis on energy savings and use. With all of these systems, the client and users of the building will have more confidence that the tower is being built and operated with the highest standards of design and performance.

The project officially broke ground in 2016 and is scheduled for completion in 2021. Terrapin continues to work on the project as the sustainability consultant and LEED administrator.

Catie is the Director of Projects at Terrapin and a leader in biophilic design movement. With a background in urban green infrastructure, Catie's interest lies in systems thinking to address human health and sustainability challenges at each scale of the built environment.