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Water 2016, 8(4), 129; doi:10.3390/w8040129

Rainwater Harvesting Typologies for UK Houses: A Multi Criteria Analysis of System Configurations

Centre for Water Systems, University of Exeter, Exeter EX4 4QF, UK
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Author to whom correspondence should be addressed.
Academic Editor: Ataur Rahman
Received: 6 October 2015 / Revised: 24 March 2016 / Accepted: 25 March 2016 / Published: 1 April 2016
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Abstract

Academic research and technological innovation associated with rainwater harvesting (RWH) systems in the UK has seen a shift of emphasis in recent years. Traditional design approaches use whole life cost assessments that prioritise financial savings associated with the provision of an alternative water supply. However, researchers and practitioners are increasingly recognising broader benefits associated with rainwater reuse, such as stormwater attenuation benefits. This paper identifies and describes a set of novel RWH system configurations that have potential for deployment in UK houses. Conceptual schematics are provided to define these innovations alongside traditional configurations. Discussion of the drivers supporting these configurations illustrates the opportunities for RWH deployment in a wide range of settings. A quantitative multi criteria analysis was used to evaluate and score the configurations under a range of emerging criteria. The work identifies several RWH system configurations that can outperform traditional ones in terms of specified cost and benefits. Selection of a specific RWH technology is shown to be highly dependent on user priorities. It is proposed that the system configurations highlighted could enable RWH to be cost-effectively installed in a broad set of contexts that have experienced minimal exploitation to date. View Full-Text
Keywords: configurations; decision support; multi criteria analysis; product innovation; rainwater harvesting; sustainable drainage systems; source control configurations; decision support; multi criteria analysis; product innovation; rainwater harvesting; sustainable drainage systems; source control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Melville-Shreeve, P.; Ward, S.; Butler, D. Rainwater Harvesting Typologies for UK Houses: A Multi Criteria Analysis of System Configurations. Water 2016, 8, 129.

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