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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

Green Square Parking Deck in Raleigh, North Carolina by Clark Nexsen

August 21st, 2012 by Sumit Singhal

Article source: Clark Nexsen

The Green Square Parking Deck is a nine-level parking structure that is an integral part of the redevelopment of a full city block in the downtown government complex of Raleigh, NC. The development includes the parking deck, a museum, and an office building. The deck was designed to accommodate 900 parking spaces for visitors and employees of the State of North Carolina.

Image Courtesy Jonathan Hillyer

  • Architect: Clark Nexsen (formerly Pearce Brinkley Cease + Lee)
  • Project:  Green Square Parking Deck
  • Location: Raleigh, North Carolina 
  • Design Team: H. Clymer Cease, AIA, LEED AP – Principal in Charge
    Jeffrey Lee, FAIA – Design Principal
    Shann Rushing, AIA, LEED AP – Project Architect
    Albert McDonald, Assoc. AIA – Project Designer
    Ryan Johnson – Project Designer 
  • Client: State of North Carolina Department of Administration 
  • Size: 272,320 SF / 900 parking spaces 
  • Completion Date: April 2011 
  • Cost: $20 million 
  • CONSULTANTS: MEP Engineer: Engineered Designs Inc. (EDi)
    Civil, Structural and Landscape Architecture: Kimley-Horn & Associates 
  • GENERAL CONTRACTOR: Clancy & Theys Construction Co. 
  • PHOTOGRAPHY: Jonathan Hillyer Photography

Image Courtesy Jonathan Hillyer

Urbanistically, the parking deck is positioned to reinforce the street edges and to comply with the City of Raleigh’s “Livable Streets” initiative ( The parking deck is conceived as a concrete frame wrapped in an enclosure screen of vertical fins. These fins, or solar blades, allow air and light to penetrate the deck, while also offering a dynamic façade to pedestrians and passengers in passing vehicles. The fins are thought of as a curtain, in some cases being pulled back where openings are desired.

Image Courtesy Jonathan Hillyer

To anchor the parking structure to the site and the adjacent buildings, the cladding transitions at the ground to a solid base of precast concrete. Stair and elevator towers are located along the street edge and major intersections to provide pedestrians with visible and safe access. Extensive glazed curtain walls provide transparency and weather protection to the vertical circulation. Canopies extend horizontally from the structure to protect pedestrians along the sidewalk and indicate access points for both pedestrians and vehicles. A built-in bench and covered waiting plaza are also provided.

Image Courtesy Jonathan Hillyer

The project incorporates several sustainable design strategies. A photovoltaic array is located above the top parking level, supplying collected solar energy directly into the power grid. Enough energy is collected to power 3000 homes per year. Rainwater is collected and stored in a cistern to be used for irrigation of the State Capitol grounds. Both the cistern and the PV array are expressed as architectural elements. The PV array doubles as a sunshade for the top level of parking, which is typically exposed to direct sun and the elements. The cistern is located at a prominent corner where the solar blades have been pulled back to reveal it.

Image Courtesy Jonathan Hillyer

Additional sustainability features include: LED lighting with dedicated light sensors; natural ventilation; recycled-content materials including concrete, steel and aluminum; covered bicycle parking; and charging stations for electric cars.

Image Courtesy Jonathan Hillyer

Image Courtesy Jonathan Hillyer

Elevation Plan

Square South Elevation

Sustainability Diagram

Site Plan


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