Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/223502
Title: CONSEQUENTIAL LIFE CYCLE ASSESSMENT OF TEMPERED GLASS IN SINGAPORE
Authors: LEE MEI SUI
Keywords: Building
PFM
Project and Facilities Management
Kua Harn Wei
2012/2013 PFM
CLCA
Consequential
Life cycle assessment
Singapore
Tempered glass
Issue Date: 5-Jun-2013
Citation: LEE MEI SUI (2013-06-05). CONSEQUENTIAL LIFE CYCLE ASSESSMENT OF TEMPERED GLASS IN SINGAPORE. ScholarBank@NUS Repository.
Abstract: As building industry seeks to have more environmentally friendly buildings, tempered glass can contribute to building’s energy efficiency due to its ability to allow penetration of natural lighting. However, the reliability of tempered glass is of concern as accidents and breakages have occurred in Singapore resulting in a likelihood of switching to alternative material. Polycarbonate is one of the materials that have been increasingly used to replace traditional glass glazing. This resulted in possible change in demand on the usage of tempered glass in the building industry which will result in a change in net contribution of life cycle environmental impacts from the industry. This study focuses on conducting consequential life cycle assessment (CLCA) for tempered glass in Singapore to estimate the life cycle environmental impacts due to the replacement of tempered glass with polycarbonate. Due to the lack of framework for conducting CLCA, an approach to conduct CLCA is suggested and implemented in this study. Quantitative data was obtained through questionnaires sent out to manufacturers of tempered glass and polycarbonate in Singapore. The questionnaires provided the market data that aided in estimating the usage and apparent consumption of tempered glass and polycarbonate through using the Input-Output Table. Subsequently, two scenarios were developed to understand the change in net emission of the building industry. An industry standard for sustainability performance is established in this study such that the replacement of tempered glass with polycarbonate will have positive climate change and human toxicity impacts if the standard is met. The CED is significantly high even without inclusive of unknown CED and hence efforts are required to reduce CED. Recommendation is made to aid Singapore move towards sustainable construction by having an holistic approach with ALCA and CLCA be included and conducted at an industry level.
URI: https://scholarbank.nus.edu.sg/handle/10635/223502
Appears in Collections:Bachelor's Theses

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