12/21/09

Smart Code



"The SmartCode is a model transect-based development code available for all scales of planning, from the region to the community to the block and building. The code is intended for local calibration to your town or neighborhood. As a form-based code, the SmartCode keeps towns compact and rural lands open, while reforming the destructive sprawl-producing patterns of separated use zoning.


The SmartCode is a unified land development ordinance for planning and urban design. It folds zoning, subdivision regulations, urban design, and optional architectural standards into one compact document.

Because the SmartCode enables community vision by coding specific outcomes that are desired in particular places, it is meant to be locally customized (also known as “calibrated”) by professional planners, architects, and attorneys.

Important: The SmartCode is not a building code. Building codes address life/safety issues such as fire and storm protection. Examples of building codes include the IBC, IRC, and ICC documents.

The SmartCode supports these outcomes: community vision, local character, conservation of open lands, transit options, and walkable and mixed-use neighborhoods. It prevents these outcomes: wasteful sprawl development, automobile-dominated streets, empty downtowns, and a hostile public realm. It allows different approaches in different areas within the community, unlike a one-size-fits-all conventional code. This gives the SmartCode unusual political power, as it permits buy-in from all stakeholders.

The SmartCode is considered a “form-based code” because it strongly addresses the physical form of building and development. Conventional zoning codes are based primarily on use and density. They have caused systemic problems over the past sixty years by separating uses, making mixed-use and walkable neighborhoods essentially illegal.

The SmartCode is also a transect-based code. A “transect” is usually seen as a continuous cross-section of natural habitats for plants and animals, ranging from shorelines to wetlands to uplands. The specific transect that the SmartCode uses is based on the human habitat, ranging from the most rural environments to the most urban environments. This transect is divided into a range of “Transect Zones,” each with its own complex character. It ensures that a community offers a full diversity of building types, thoroughfare types, and civic space types, and that each has appropriate characteristics for its location.

The six T-Zones are: T-1 Natural, T-2 Rural, T-3 Sub-Urban, T-4 General Urban, T-5 Urban Center, and T-6 Urban Core.

The Transect is a powerful tool because its standards can be coordinated across many other disciplines and documents, including ITE (transportation), and LEED (environmental performance). Thus the SmartCode integrates the design protocols of a variety of specialties, including traffic engineering, public works, town planning, architecture, landscape architecture, and ecology.

The SmartCode addresses development patterns at three scales of planning (thus it may replace a number of other documents):

the Sector (Regional) Scale

the Community Scale

the Block and Building Scale

If stronger architectural guidelines are desired, a community may further adopt supplemental regulations or a pattern book."


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