AIA Top 10


Case studies are currently organized by project type. In the future, you will be able to search the case studies database by a variety of criteria, including by cross-referenced building materials listed on Green Building Pages and by key sustainable design and construction features.


 AIA Top 10 2001


Adeline St. Urban Salvage Project


Berkeley, CA

Leger Wanaselja Architecture


This unique project was focused on salvage. The 100-year-old original house was restored and raised atop a new first story. Additional salvaged materials were added to the project in an attempt to minimize the use of new building materials and furnishings. This is a mixed use condominium with two residential and two small commercial units. The building is occupied around the clock.

BigHorn Home Improvement Center

Silverthorne, CO

Marketplace Architects



This commercial facility features numerous energy-saving innovations. Extensive daylighting and natural ventilation cooling systems lower energy demand. Bragging a standing-seam roof-integrated photovoltaic system, the largest commercial PV array in the state, BigHorn has set up a net metering agreement to sell electricity back to the utility company.

Additionally, existing on-site wetland areas were expanded and utilized in the development of BigHorn's stormwater management plan.

Green Building Challenge -- Level: 2.6 in GB Tool 1.76

California College of Arts and Crafts

San Francisco, CA

Leddy Maytum Stacy Architects


The Montgomery Campus of the California College of Arts and Crafts is located in a renovated 1950s San Francisco Greyhound bus maintenance facility.

The building is heated by a solar-powered hydronic system. Significant daylighting was retained from the original building, providing natural light to the open studio spaces. Resource conservation was a main consideration in the design of the facility.

Chesapeake Bay Foundation's Philip Merrill Environmental Center

Annapolis, MD



The Chesapeake Bay Foundation Headquarters building is recognized as one of the "greenest" buildings ever constructed. Sustainability issues ranging from energy use to material selection were given serious consideration throughout design and construction of this facility. It was the first building to receive a Platinum rating through the U.S. Green Building Council's LEED (Leadership in Energy and Environmental Design) Rating System, version 1.0.

U.S. Green Building Council LEED-NC, v.1.0 -- Level: Platinum

Green Building Challenge -- Level: 2.7 in GB Tool 1.76

PNC Firstside Center

Pittsburgh, PA

L. D. Astorino Companies


From the initial decision to restore a brownfield site through design and construction, PNC Firstside Center has been a leader in environmental design. The center earned a Silver rating in the U.S. Green Building Council's LEED (Leadership in Energy and Environmental Design) Rating System.

U.S. Green Building Council LEED-NC, v.2/v.2.1 -- Level: Silver (33 points)

REI Denver Flagship

Denver, CO

Mithun Architects + Designers + Planners


With 1.7 million active members, REI is the nation's largest consumer cooperative. REI's Denver Flagship, used as a retail store as well as a restaurant and assembly space, is housed in the historic 1901 Denver Tramway Powerhouse Building. The building is listed in the U.S. Department of the Interior's National Register of Historic Places.

In line with REI's adventurous history, the Denver Flagship houses a mountain bike trail, climbing pinnacle, and a cold chamber for testing and comparing recreational gear.

The reuse of a historic building enabled REI to save materials as well as significant energy involved in demolition and new construction. The building was designed to use 30% less energy than Colorado building energy codes mandate.

Zion National Park Visitor Center

Springdale, UT

National Park Service/Department of the Interior


As a primary component of the Zion Canyon Transportation System, this low-energy, sustainable facility is the entry to a transit- and pedestrian-centered visitor experience, providing park information, interpretation and trip-planning assistance within a resource environment. The new visitor center is part of a transportation system that seeks to reduce resource impacts and enhance the visitor experience. Consisting of indoor and outdoor spaces for visitor services, this facility creates a setting to promote and interpret park resources and agency conservation values.

Several effective energy features were included in this project: daylighting, Trombe walls for passive solar heating, downdraft cooltowers for natural ventilation cooling, energy-efficient lighting, and advanced building controls. A roof-mounted photovoltaic (PV) system provides electric power. This project will save roughly $14,000 and about 10 kW of electric demand per year through these energy-saving measures.

ABN-AMRO Bank World Headquarters

Amsterdam, The Netherlands

Pei Cobb Freed & Partners Architects LLP



Nidus Center for Scientific Enterprise

Creve Coeur, MO

Hellmuth, Obata + Kassabaum, Inc. (HOK)


Sleeping Lady Conference and Retreat Center

Leavenworth, WA

Jones & Jones Architects and Landscape Architects




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