Redefining the impact assessment of buildings: an uncertainty-based approach to rating codes

Silvio Caputo, Mark Gaterell

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Abstract

Discrepancies between predicted and in-use building performance are well documented in impact assessments for buildings such as rating codes. This is a consequence of uncertainties that undermine predictions, which include procedural errors as well as users’ behaviour and technological change. Debate on impact assessment for buildings predominantly focuses on operational issues and does not question the deterministic model on which assessments are based as a potential, underlying cause of ineffectiveness. This article builds on a non-deterministic urban planning theory and the principles it outlines, which can help manage uncertain factors over time. A rating code model is proposed that merges its typical steps of assessment (i.e. classification, characterisation and valuation) with those principles, applied within the impact assessment of buildings. These are experimentation (of other criteria than those typically appraised), exploration (the process of identifying the long-term vulnerability of such criteria) and inquiry (iterating and critically evaluating the assessment over time).
Original languageEnglish
Pages (from-to)348-357
Number of pages10
JournalImpact Assessment and Project Appraisal
Volume36
Issue number4
Early online date22 May 2018
DOIs
Publication statusPublished - 4 Jul 2018

Keywords

  • impact assessment of buildings
  • rating codes
  • uncertainty
  • uncertainty-based planning

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