Celebrating Iconic Green Buildings Across the United States

US Green Building Council

Excerpt: Buildings with exciting architectural design, historical significance and cultural impact evoke a strong emotional response. Such buildings can also greatly impact local, national and global sustainability goals, due to their energy efficiency, water conservation measures, human health strategies and reduced carbon footprint. In addition to being major attractions in their areas, many of these icons are also certified with green building rating systems such as LEEDSITES and TRUE and are well known for their sustainability efforts.

Iconic LEED buildings around the US: South

Fred D. Thompson Courthouse, Nashville, Tennessee—SITES Silver and LEED Gold certification under LEED BD+C: By combining certifications, this modern government building showcases its dedication to energy efficiency and environmentally responsible design.

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AIA Colorado Award of Merit Goes to Royal Norwegian Embassy Renovation

AIA Colorado selected Fentress Architects’ Royal Norwegian Embassy Renovation for an Award of Merit. This award recognizes exemplary projects that reinforce the value of outstanding architecture and its positive contributions to the community.

The Royal Norwegian Embassy Renovation added an at-grade main entrance, a versatile indoor-outdoor ceremonial space and exterior enhancements that maximize natural daylight. The renovation also provided a comprehensive interior remodel and the addition of the Atlantic Ocean Hall.

The primary goals for the renovation were to provide a sustainable, functional, and contemporary office for foreign diplomats and staff. At the same time, the renovation also sought to preserve the embassy’s historic character. Upgrades such as an improved thermal envelope, energy-efficient windows, and sustainable landscaping align with the project’s environmental objectives. These features also ensure the building maintains a dignified yet distinctive presence on Washington D.C.’s Embassy Row.

Sustainable SITES Case Study: Fred D. Thompson Federal Building & United States Courthouse

Project Details

  • The site for the Nashville Federal Courthouse is in
    downtown Nashville.
  • Site Area: 3.4 acres
  • Building Area: 274,000 square feet, including parking
    spaces and the basement level
  • Former Land Use: parking garage and surface parking
  • Budget: $40.1M
  • The building is six floors plus a basement, Each floor is
    required to accommodate the federal courtrooms; the
    building’s penthouse floor is greater than 75 feet above
    the lowest level of fire department access. Based on this,
    the building is considered a high-rise facility

Applicable codes and reference standards:

  • 2015 International Building Codes
  • Meet GSA’s Sustainable Minimum Performance Criteria;
  • Meet Executive Order 13693 requirements
  • Meet Guiding Principles for Sustainable Federal Buildings
    and Associated Instructions (February, 2016)
  • GSA current standards and criteria as appropriate;
  • Achieve LEED Gold certification using v3 2009 standards
  • Achieve Sustainable Sites Initiative (SSI) Silver certification
    level
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Sustainable Strategies for Expansive Facilities

Fentress’s portfolio is valued at over $43 billion and serves more than 650 million people annually.

Strategies of waste reduction, recycled content maximization and conservation are consistent regardless of the scale of the project. However, there are a few consistent strategies to consider when designing expansive facilities:

  • Harnessing daylight to minimize energy use and control heat gain. 
  • Integrating with the community and multimodal transportation networks.
  • Creating spaces and systems that will welcome future adaptations.   

The following projects illustrate these strategies:

Passenger Terminal Complex at Denver International Airport

Fentress’ entree into expansive facilities came with the commission to design the 2,250,000-square-foot Passenger Terminal Complex at Denver International Airport.  Fentress took over a project suffering from uninspired design, exorbitant cost and schedule overruns. The solution to reverse these incontestabilities was the creation of a light-filled volume to echo Colorado’s dramatic mountain scenery. Despite skepticism on the ability of a tensile structure—then a nascent building technology—to achieve the necessary spans and withstand area snow volume, Fentress countered precedent and flipped the airport’s massive infrastructure from the roof to underground. The shift allowed up to 150-foot light-filled roof peaks to come to life while conserving resources. Hundreds of tons of structural steel and building materials were eliminated. The design also powerfully harnessed natural light. The Denver airport dramatically changed contemporary ideas on airport design, introducing expressive form to welcome travelers to a place and its culture.

Colorado Convention Center Phase II

In 2010, the Colorado Convention Center (CCC) announced its certification through LEED–EB, making it—at 2,300,980 gross square feet—the largest convention center certified under LEED-EB to date and among the largest LEED-certified convention facilities in the US.  As Denver residents, Fentress Architects recognized the Center’s potential to reshape the city.  So, the focus was on establishing and reinforcing its connections with the urban surroundings. The integration of a light rail station within the building has advanced economic growth and revitalization initiatives for the once-barren 14th Street. Fentress’ work catalyzed a surge of infill development that continues to bring new life, investment and activity to Denver.

Tom Bradley International Terminal at LAX

At 1.4-million square feet, Tom Bradley International Terminal at LAX became the world’s largest LEED Gold certified airport when it opened in 2013.  Adding to the complexity of this immense facility is the fact that renovation and construction occurred while the terminal remained fully operational. Fentress’ state-of-the-art, people-centered design allows abundant natural light from clerestories and broad windows.  Environmentally-friendly concepts were integrated at every stage and every level of the project.

Operational and performance goals of improved energy performance, reduced water consumption, waste, and emissions were met, in part, through integrated strategies that aligned with the larger aesthetic and experiential objectives. For example, Fentress conducted extensive sun-shading studies during the design of the roof structure to minimize heat gain and maximize daylighting.

Additional strategies include a high-performance thermal envelope, drought-tolerant landscaping, the provision of a purple pipe infrastructure in anticipation of future availability of municipal-supplied non-potable water, programmed space for recycling, an early procurement program for materials that contain recycled content, specification of non- or low-emitting materials, and the incorporation of free shuttle bus service to provide better connectivity to and from the airport, the city and the region.

Ralph L. Carr Colorado Judicial Center

LEED Gold-certified Ralph L. Carr Colorado Judicial Center in Denver remains one of the most sustainable courthouse complexes in the United States. It hosts the Colorado Supreme Court Law Library, a visitor’s Learning Center, and a 4,000-square-foot green roof.  The granite-clad Neoclassical building respects the archetypal presence of its neighbors. It steps back to acknowledge a center of learning: the Denver Central Library. The design also focused on completing the flow of a pedestrian walkway between the Library and State Capitol.  The result is in a direct, physical link to the Center’s functions for users and visitors as they move across the campus. The Carr Judicial Center makes substantial use of durable and recycled materials. It remains 30-percent more energy efficient than standards demanded.  In addition to its green roof, sustainable features include a photosensitive daylight harvesting illumination system, a state-of-the-art and highly efficient mechanical system, and locally sourced materials such as marble from Marble, Colorado.

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