Abstract
The performance of the built environment is an important concern affecting the quality of life and plays a critical role in every urban milieu. However, it generally disappears in the drawing plans. Current planning regulations do not always include performance requirements as part of the planning demands. Additionally, decision-makers lack the methodology and tools to demonstrate the expected performance of the built environment. Therefore, an examination of the performance of the designed area is sometimes neglected in the planning process. Current urban plans focus mainly on technical issues, counting the number of residential units, density measures, etc. The trend of progressive planning regulations, such as Form-Based Code (FBC), aims to coordinate these separated quantitative parameters into one comprehensive 3D plan where the urban form plays as a main integrator. However, these plans still lack the demand for understanding the quality and performance of the built environment through the visualization. This article addresses this gap, the lack of understanding of the performance of the built environment in urban plans and proposes the concept of Performance-Based Codes (PBC). The transition from form-based code to performance-based-design will be demonstrated through the presentation of two performance-based models, the Solar Envelope and Security Rating Index, and the possibility of integrating them into the planning process.
Highlights
Decision-makers have lacked the methodology and tools to understand the performance of the built environment while developing new demands for its performance
As a result of the introduction of green regulations and increased public awareness about environmental issues, efforts have been made by architectural design teams to introduce performative considerations during design at various advanced stages, based on existing plans that did not address these aspects in advance
This is not always an easy task due to the influence of decisions that were taken in previous stages which clearly influence the performance of the proposed design, or mutual influence between buildings affecting their achievable performance regarding several design aspects
Summary
Decision-makers have lacked the methodology and tools to understand the performance of the built environment while developing new demands for its performance. As a result of the introduction of green regulations and increased public awareness about environmental issues, efforts have been made by architectural design teams to introduce performative considerations during design at various advanced stages, based on existing plans that did not address these aspects in advance. This is not always an easy task due to the influence of decisions that were taken in previous stages which clearly influence the performance of the proposed design (street orientation, height and distance between buildings, etc.), or mutual influence between buildings affecting their achievable performance regarding several design aspects
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