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    Identification and reduction of non-value adding activities in the precast concrete construction projects in Singapore

    Access Status
    Fulltext not available
    Authors
    Wu, Peng
    Feng, Y.
    Zhong, Y.
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Wu, P. and Feng, Y. and Zhong, Y. 2012. Identification and reduction of non-value adding activities in the precast concrete construction projects in Singapore. Association of Researchers in Construction Management, ARCOM 2012 - Proceedings of the 28th Annual Conference, pp. 763-773: Association of Researchers in Construction Management.
    Source Title
    Association of Researchers in Construction Management, ARCOM 2012 - Proceedings of the 28th Annual Conference
    ISBN
    9780955239069
    School
    Department of Construction Management
    URI
    http://hdl.handle.net/20.500.11937/42043
    Collection
    • Curtin Research Publications
    Abstract

    Prefabrication systems are believed to have the potential for better environmental performance and have been adopted by the construction industry to meet the challenges posed by global climate change. However, there remains many areas in the prefabrication systems that can be improved in order to reduce carbon emissions, such as site layout, work flow and inventory control. This research therefore aims to identify the non-value adding activities that can be eliminated to reduce carbon emissions in the precast concrete construction projects in Singapore. A weighted factor model comprising 30 contractors in the Singapore construction industry is adopted. Two stages in the precast concrete installation cycle are investigated using the weighted factor model, which are site layout management and delivery management. The results indicate that there are many non-value adding activities in the precast concrete installation cycle that contribute to an increase in the level of carbon emissions, such as large storage area and lack of just-in-time sourcing. The analysis provides good practice guidance and can be used as a checklist for contractors to achieve low-carbon installation. The results will also be useful for regulatory agencies to provide recommendations for the construction industry to reduce carbon emissions.

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