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Title: SSO improvement strategy (proposed method of priority assessment) - EAR/90/20
Author: National Rivers Authority Welsh Region
Document Type: Monograph
Dvr Cymru have identified and allowed for 72m "within K" for SSO (Storm Sewer Overflow) improvements over the next 20 years. This equates to an average annual expenditure of 3.6m p. a. and identifies a nominal spend of 60K per installation for the 1200 overflows originally identified (thus allowing pro rata 60 overflows p.a. to be improved where appropriate). This in itself may be insufficient to meet the generally more stringent consent conditions now being promulgated particularly in relation to screening. Furthermore, current estimates of the total number of overflows in existence in the Welsh Region are in the region of 2,000 such installations. Hence the available capital is likely to be insufficient to address the whole problem and there will need to be rigorous prioritisation of expenditure and a robust case may need to be made for an adjustment of 'K' to more realistic levels.
Publisher: National Rivers Authority
Publication Date: 1990
Publication Place: Cardiff
Subject Keywords: Water pollutionStormsSewerageImprovementMethodologyStrategies
Geographic Keywords: Wales
Extent: n.p. [29]
Total file downloads: 258

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