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Asli, R A, Wedawatta, G, Hedges, P and Park, K (2016) Building Environmental Assessment Scheme for Residential Building in Brunei. In: Chan, P W and Neilson, C J (Eds.), Proceedings 32nd Annual ARCOM Conference, 5-7 September 2016, Manchester UK. Association of Researchers in Construction Management, 435–444.

  • Type: Conference Proceedings
  • Keywords: Brunei, building environmental assessment, delphi method, residential buildings.
  • ISBN/ISSN: 978-0-9955463-0-1
  • URL: http://www.arcom.ac.uk/-docs/proceedings/b2a27e92123523e98d0372fe619d4298.pdf
  • Abstract:

    Scientific evidence showed that the building’s construction activities, operation and demolition are increasingly recognised as a major source of environmental impact. One strategy for reducing such impacts is most widely known by the term Building Environmental Assessment (BEA) also known as Green Building or Building Sustainability Assessment. The research is an attempt to develop a new BEA scheme for residential buildings in Brunei which focussing on developing BEA indicators that best suit for Brunei built environment. Brunei is working towards an ambitious goal of a 45 percent energy intensity reduction by 2035 on four major sectors including residential; which this study seeks to complement. As part of a doctoral study, initial stage of the research is to consolidate BEA indicators based from selected schemes: UK Building Research Establishment Environmental Assessment Methodology (BREEAM), Singapore Green Mark Scheme (GMS) and Malaysia Green Building Index (GBI). A consensus-forming technique – Delphi method – is believed to be the most suitable research instrument which help achieving consensus on BEA indicators in the context of Brunei's environment, local and regional priorities, and societal needs. The Delphi method is conducted in three successive systematic consultation rounds involving expert panels comprised of architects, engineers, managers, contractor, academics, and quantity surveyors from both government and private sectors. Data from these rounds are analysed to check measure of central tendency and level of data dispersion in order to present information concerning the collective judgments of respondents. Findings from the first round of Delphi survey showed high degree of agreement on consolidated BEA indicators with overall inter-quartile range between 0.22 – 0.53, and overall Likert-scale average between 3.40 – 4.47. The three rounds resulted in the development of applicable BEA indicators and its weightings. The Delphi method believed to be a stronger methodology that will help develop a more rigorous and user centred BEA scheme.