Effect of Star Rating Improvement of Residential Buildings on Life Cycle Environmental Impacts and Costs

Hamidul Islam; Muhammed Bhuiyan; Quddus Tushar; Satheeskumar Navaratnam; Guomin Zhang

doi:10.3390/buildings12101605

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Effect of Star Rating Improvement of Residential Buildings on Life Cycle Environmental Impacts and Costs

Journal article

Open access

Peer reviewed

Effect of Star Rating Improvement of Residential Buildings on Life Cycle Environmental Impacts and Costs

Hamidul Islam, Muhammed Bhuiyan, Quddus Tushar, Satheeskumar Navaratnam and Guomin Zhang

Buildings (Basel), Vol.12(10), 1605

04/10/2022

DOI: https://doi.org/10.3390/buildings12101605

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

eco-indicator 99 method

material flows/add masses

star rating

life cycle cost

life cycle environmental impacts

ecosystem quality

A diagnostic framework is proposed to assess the influence of star rating improvement for residential buildings on life cycle environmental impacts and life cycle costs (LCEI and LCC) using life cycle assessment (LCA) and life cycle costing methods, respectively, on all life cycle phases (i.e., construction, operation, maintenance, and disposal). A reference house was modified on the basis of six alternative designs to deliver a particular star rating in order to demonstrate the analysis framework. Two LCIA methods (i.e., material flows/add masses and eco-indicator 99 Australian substances) were used to estimate ten LCEI indicators under two categories: seven from problem-oriented (i.e., raw material, air emission, water emission, eco-toxicity, acidification/eutrophication potential, ozone depletion, and climate change) and three from damage-oriented (i.e., resource depletion, ecosystem quality, and effect on human health) categories. The three damage-oriented indicators were combined to evaluate environmental and economic wellbeing on a single eco-point basis. All these combinations of impact indicators can offer three lines of analytical options along with star rating: problem-oriented, damage-oriented, and a variety of problem and damage-oriented LCEIs with LCCs. Hence, the optimum house selection is-based not only on cost or star rating, but also on LCEIs.

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Title: Effect of Star Rating Improvement of Residential Buildings on Life Cycle Environmental Impacts and Costs
Creators: Hamidul Islam - RMIT University
Muhammed Bhuiyan - RMIT University
Quddus Tushar - RMIT University
Satheeskumar Navaratnam - RMIT University
Guomin Zhang - RMIT University
Publication Details: Buildings (Basel), Vol.12(10), 1605
Publisher: Mdpi
Number of pages: 24
Identifiers: 991013186811302368
Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/4.0/).
Academic Unit: Faculty of Science and Engineering
Language: English
Resource Type: Journal article

Effect of Star Rating Improvement of Residential Buildings on Life Cycle Environmental Impacts and Costs

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