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Form-Based Code - The Greenfield Tool Box

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<strong>Form</strong>-<strong>Based</strong> <strong>Code</strong><br />

› <strong>Form</strong>-based codes address economic conditions by allowing flexibility in land uses,<br />

allowing developers and municipalities to respond quickly to changing market forces.<br />

› By emphasizing site design and building form over density and use regulations, formbased<br />

codes build in long-term value. <strong>Form</strong>-based codes pay more attention to buildings<br />

which will last many years, instead of uses that can change over time.<br />

› By encouraging a mix of uses and housing types, form-based codes reduce the need to<br />

travel as part of one’s daily routine.<br />

› <strong>Form</strong>-based codes provide information that is easier to understand and use than<br />

conventional zoning codes because they are shorter, more concise, and emphasize<br />

illustrations over text. <strong>The</strong>refore, form-based codes are more engaging and<br />

comprehensible to non-professionals.<br />

› <strong>The</strong>y allow greater flexibility for development to respond to environmental conditions, such<br />

as wetlands, existing trees, views, and topography.<br />

CASE STUDIES | BEST PRACTICES<br />

Central Hercules <strong>Form</strong>-<strong>Based</strong> <strong>Code</strong><br />

142<br />

WHEN IN THE PROCESS IS IT USED<br />

<strong>Form</strong>-based codes are the result of a public design process to create a clear and articulate<br />

vision for a defined district or neighbourhood. A form-based code is developed as an outcome<br />

of this process to help implement this vision.<br />

<strong>Form</strong>-based codes can be developed concurrently with the public design process or after the<br />

process is complete. Time is saved when the public visioning process and the form-based<br />

code processes are conducted concurrently, because the community outreach is done once.<br />

During the creation of a form-based code, a strategy for administering the code must<br />

be developed. This strategy involves, among other things, training staff and educating<br />

stakeholders.<br />

RELATED TOOLS<br />

Smart <strong>Code</strong><br />

<strong>The</strong> Neighbourhood Unit<br />

Residential Street Patterns<br />

Conservation Subdivision Design<br />

Greenway and Open Space Networks<br />

Block and Lot Standards<br />

Connectivity index<br />

Walkability Catchment<br />

Parking Mangement and Policies<br />

Location: Hercules, California<br />

Description: <strong>The</strong> City of Hercules, California, adopted a<br />

form-based code with the intention of fostering a new town<br />

centre for an industrial town. <strong>The</strong> code, while highly specific<br />

in terms of physical form (by regulating building envelope,<br />

key dimensions, siting, and relationship to streets, sidewalks,<br />

and adjacent buildings), retains flexibility in uses. <strong>The</strong> code<br />

does not prescribe architectural styles but does prescribe a<br />

minimum set of basic design parameters. Users of the code<br />

consult the regulating plan and determine the classification of<br />

the street in front of their parcel. <strong>The</strong>y then cross-reference<br />

the code relating to the street type to determine applicable<br />

land development regulations. <strong>The</strong> code is sub-divided into<br />

four districts and eight distinct street types. Where two street<br />

types meet, the order in the hierarchy determines the code.<br />

Build-to-line requirements and building frontage requirements<br />

are waived for certain sites such as civic facilities to provide<br />

greater flexibility. <strong>The</strong> new code has been successful, with<br />

more than 300 units built and construction underway on the<br />

main street area of the Waterfront District.<br />

Planning + Design: Dover Kohl & Partners; Gibbs Planning<br />

Group; Fehr & Peers Associates; Urban Advantage;<br />

Zimmerman-Volk Associates<br />

Developer: Various public and private development entities<br />

ADDITIONAL RESOURCES<br />

Sacramento Area Council of Government (SACOG) <strong>Form</strong>-<strong>Based</strong> <strong>Code</strong> Handbook (http://www.sacog.org/projects/form-based-codes.cfm)<br />

Parolek AIA, Daniel G., Karen Parolek, and Paul Crawford, FAICP. <strong>Form</strong>-<strong>Based</strong> <strong>Code</strong>s. Hoboken, NJ: John Wiley & Sons, Inc. 2008<br />

<strong>Form</strong>-<strong>Based</strong> <strong>Code</strong>s Institute (http://www.formbasedcodes.org/)<br />

Greenberg, Ellen, Joel Russell, Jonathan Barnett, Paul Crawford, Rick Bernhardt, and Gianni Longo. Codifying New Urbanism: How to Reform Municipal Land Development Regulations.<br />

Chicago: American Planning Association, Congress for the New Urbanism, 2004.<br />

Northwest Crossing Prototypes, Bend, Oregon (http://www.northwestcrossing.com/)<br />

Hercules Central Hercules <strong>Form</strong>-<strong>Based</strong> <strong>Code</strong>, Hercules, California (http://www.ci.hercules.ca.us/index.aspxpage=197)<br />

<strong>Greenfield</strong> <strong>Tool</strong> <strong>Box</strong><br />

O2 Planning + Design Inc.

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