A cost comparison of traditional drainage and SUDS in Scotland

Alison Duffy, Christopher Jefferies, David J. Blackwood, G. Waddell, G. Shanks, A. Watkins

Research output: Contribution to journalArticle

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Abstract

The Dunfermline Eastern Expansion (DEX) is a 350 ha mixed development which commenced in 1996. Downstream water quality and flooding issues necessitated a holistic approach to drainage planning and the site has become a European showcase for the application of Sustainable Urban Drainage Systems (SUDS). However, there is minimal data available regarding the real costs of operating and maintaining SUDS to ensure they continue to perform as per their design function. This remains one of the primary barriers to the uptake and adoption of SUDS. This paper reports on what is understood to be the only study in the UK where actual costs of constructing and maintaining SUDS have been compared to an equivalent traditional drainage solution. To compare SUDS costs with traditional drainage, capital and maintenance costs of underground storage chambers of analogous storage volumes were estimated. A whole life costing methodology was then applied to data gathered. The main objective was to produce a reliable and robust cost comparison between SUDS and traditional drainage. The cost analysis is supportive of SUDS and indicates that well designed and maintained SUDS are more cost effective to construct, and cost less to maintain than traditional drainage solutions which are unable to meet the environmental requirements of current legislation.
Original languageEnglish
Pages (from-to)1451-1459
Number of pages9
JournalWater Science and Technology
Volume57
Issue number9
DOIs
StatePublished - 2008

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urban drainage
cost
drainage
underground storage
cost analysis
holistic approach
legislation
flooding
water quality
methodology

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Duffy, Alison; Jefferies, Christopher; Blackwood, David J.; Waddell, G.; Shanks, G.; Watkins, A. / A cost comparison of traditional drainage and SUDS in Scotland.

In: Water Science and Technology, Vol. 57, No. 9, 2008, p. 1451-1459.

Research output: Contribution to journalArticle

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abstract = "The Dunfermline Eastern Expansion (DEX) is a 350 ha mixed development which commenced in 1996. Downstream water quality and flooding issues necessitated a holistic approach to drainage planning and the site has become a European showcase for the application of Sustainable Urban Drainage Systems (SUDS). However, there is minimal data available regarding the real costs of operating and maintaining SUDS to ensure they continue to perform as per their design function. This remains one of the primary barriers to the uptake and adoption of SUDS. This paper reports on what is understood to be the only study in the UK where actual costs of constructing and maintaining SUDS have been compared to an equivalent traditional drainage solution. To compare SUDS costs with traditional drainage, capital and maintenance costs of underground storage chambers of analogous storage volumes were estimated. A whole life costing methodology was then applied to data gathered. The main objective was to produce a reliable and robust cost comparison between SUDS and traditional drainage. The cost analysis is supportive of SUDS and indicates that well designed and maintained SUDS are more cost effective to construct, and cost less to maintain than traditional drainage solutions which are unable to meet the environmental requirements of current legislation.",
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Duffy, A, Jefferies, C, Blackwood, DJ, Waddell, G, Shanks, G & Watkins, A 2008, 'A cost comparison of traditional drainage and SUDS in Scotland' Water Science and Technology, vol 57, no. 9, pp. 1451-1459. DOI: 10.2166/wst.2008.262

A cost comparison of traditional drainage and SUDS in Scotland. / Duffy, Alison; Jefferies, Christopher; Blackwood, David J.; Waddell, G.; Shanks, G.; Watkins, A.

In: Water Science and Technology, Vol. 57, No. 9, 2008, p. 1451-1459.

Research output: Contribution to journalArticle

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Duffy A, Jefferies C, Blackwood DJ, Waddell G, Shanks G, Watkins A. A cost comparison of traditional drainage and SUDS in Scotland. Water Science and Technology. 2008;57(9):1451-1459. Available from, DOI: 10.2166/wst.2008.262