This paper presents the preliminary results of a Life Cycle Assessment (LCA) study which aims to compare two different potable water pipe materials: ductile iron (DI) and medium density polyethylene (MDPE). Stages where environmental impacts may be reduced in the life cycle of these pipes have been highlighted. A takeback scheme between water companies and pipe suppliers has been identified as an environmental improvement to the current disposal stage of the pipe life cycle. Potential exists for dual-use or reuse of abandoned mains.
Life cycle assessment: comparing strategic options for the mains infrastructure - Part I
F. J. Dennison, A. Azapagic, R. Clift, J. S. Colbourne; Life cycle assessment: comparing strategic options for the mains infrastructure - Part I. Water Sci Technol 1 May 1999; 39 (10-11): 315–319. doi: https://doi.org/10.2166/wst.1999.0673
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