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Southface Journal Spring 2004

 

AIA Green Design Showcase

presented at Greenprints 2004

The Atlanta Chapter of The American Institute of Architects Committee on the Environment (COTE) accepted submissions from local designers for both built and un-built projects for display and discussion at Greenprints 2004. The following four projects, illustrating regional efforts to integrate environmentally responsible design methods and materials, were judged as top picks from the 2004 Design Showcase submissions.

Chattahoochee Hill Country Sustainable Village by Preston & Associates/Village Habitat Design

The West Village Model Sustainable Village Design in South Fulton County’s Chattahoochee Hill Country represents a planning and design process initiated by the community with the support of County Officials and residents. Fundamental to the success of the project is the concept of “Transferrable Development Rights.” The designers recommended several amendments to County overlay district regulations that controlled the shape and mix of uses in the three villages. These villages were designated as Transfer of Development Rights ‘receiver parcels’ in the Fulton County Future Land Use Map. By allowing the transfer of development rights into compact villages, undeveloped green space is preserved, sprawling infrastructure is avoided, and alternative travel modes are encouraged. At the same time, full development value may be realized by property owners selling their development rights.
The Sustainable Village was designed to serve as a model for land use in other communities.
Click for larger images

A design based on the site conditions of one village and the principles of the community-based design process were documented to serve as a model for greenfield development in the region. An environmentally sensitive and socially equitable development, the compact urban village offers a balance of diverse housing options, office and commercial uses that reduce automobile travel and traffic congestion, energy consumption and air pollution. At the gateways of the village, working farms will be established to connect the village with the rural character of the surrounding land.

Atlanta Belt Line by Ryan Gravel, Surber Barber Choate & Hertlein Architects

An important component of sustainable design is the re-use of urban land, and in Atlanta, there is a tremendous amount of underutilized land in close proximity to the central city. For the first time in decades, we also have thousands of people every year seeking to live in a vibrant, urban environment. More than any other proposal for city revitalization and transportation initiative, the Belt Line will transform urban development in Atlanta for the better.
The proposed Belt Line creates an “emerald necklace” of linear parks and generates development in underutilized areas.

Click to enlarge map

The Atlanta Belt Line is a 22-mile transit greenway circling Atlanta’s central city. It reuses existing railroad rights-of-way as a wide linear park with streetcars, bicycle paths and pedestrian trails to connect over 40 neighborhoods. It organizes adjacent underutilized urban land for transit-oriented development, expands transit service within the urban core, and connects various parts of an emerging regional trail system. It takes advantage of Atlanta’s intown population growth, creating smart new districts for over 100,000 new residents and improved quality of life for hundreds of thousands more. Gravel founded and serves as the president of the nonprofit Friends of the Belt Line, Inc.

156 Mellrich Avenue Single Family Residence by Hunter Reising Design Build, Inc.

Above: The facade of the Mellrich Ave. home, winner of the Excellence in Building Award from EarthCraft House.
Right: This 305-gallon rainwater cistern allows the home owner to 'recycle' rainwater and use it for landscape irrigation.

Hunter Reising set a goal to build a home that maximized energy efficiency and environmentally friendly, ‘green’ construction by using EarthCraft House guidelines. Upon completion of construction, the house won an Excellence in Building Award from EarthCraft House. Prior to designing the house, the client had Hunter Reising read The Not So Big House by Sarah Susanka in order to emphasize the desire to blend the home into the area’s existing architectural context. After reading the book and armed with EarthCraft standards, strategies and special materials put the ‘green’ building aspect into action. A 305-gallon rainwater harvesting system was installed, with an external hose to provide the homeowner with reclaimed water for landscape use. Construction waste was minimized and recyclable materials were maximized by using biodegradable waste like wood, gypsum board and cardboard as soil erosion control and ground cover. Recycled concrete rubble was used instead of traditional gravel onsite. Also, the property’s original concrete driveway and foundation were recycled and used to form retaining walls, the patio and the front sidewalk. To keep the home’s interior environmentally friendly with good indoor air quality, low VOC paints, carpet and polyurethane were used. The on-demand hot water heater and 90% efficient furnace are other energy efficient highlights that also maintain resident comfort.

Sweetwater Creek State Park Visitors Center and Museum by Gerding Architects, LLC for the Georgia Department of Natural Resources
Above: Rendering of the LEED-registered Sweetwater building.
Below: Floorplan & site of the Sweetwater State Park, which has more than nine miles of hiking trails. Click to enlarge
 

By starting with a LEED kick-off meeting, this not-yet-built commercial facility will highlight the best in green building techniques. The entire structure and portions of the exterior wall finish and roof system are steel, a material that has a high recycled content. The concrete used for floor slabs will have either fly ash or another recycled component. Encouraging the public to use modes of alternative transportation, an electric-vehicle charging station and bicycle racks for employees and visitors will be provided. In an effort to continue educating the public on conservationism, the building and its green systems will actually become part of the museum exhibits.