ABSTRACT Since 1997 the so-called Planes Parciales (PP) were introduced in Colombia. These are planning tools for real estate development designed to distribute equally the burdens and benefits between developers and the public sector. PPs, however, are criticized arguing that they develop high densities without considering impacts on the environment and on the urban infrastructure. On the other hand, Planning Support Systems (PSS) are new tools that allow to quickly obtain indicators of impacts and sustainability of urban projects. To understand and validate the criticisms of PP, this work applied the PSS tool, Envision Tomorrow, comparing growth through a PP with the traditional Low Density and Informal urban growth models. PPs were found to be more convenient for the city and for sustainability than Low Density. However, when faced with the Informal model, they have challenges of housing costs and mix of uses. Keywords: plan parcial, planning support systems, urban growth scenarios, Bogota Topic: 2. Urban Morphologies RESUMEN Desde 1997 en Colombia fueron introducidos los Planes Parciales (PP), que son herramientas para el desarrollo inmobiliario, diseñadas para repartir equitativamente las cargas y beneficios entre los promotores y el sector público. Los PP son criticados argumentando que desarrollan altas densidades sin contemplar impactos en el entorno ambiental y en la precaria infraestructura. Por otro lado, los Sistemas de Soporte a la Planeación (SSP) son nuevas herramientas que permiten obtener rápidamente indicadores de impactos y sostenibilidad de proyectos urbanos. Para entender y validar las críticas a los PP, este trabajo aplicó la herramienta SSP, Envision Tomorrow comparando el crecimiento a través de Plan Parcial con los modelos tradicionales de Baja Densidad e Informal. Se encontró que los PP son más convenientes para la ciudad y para la sostenibilidad que la Baja Densidad. Sin embargo, frente al Informal tienen retos de costos de vivienda y mezcla de usos. Palabras clave: plan parcial, sistemas de soporte a la planeación, escenarios de crecimiento urbano, Bogotá Bloque temático: 2. Morfologías urbanas
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