A review of UKWIR’s National Failure Database (NFD) for water mains and sewer has been completed - providing the opportunity to consider the business case for its continued development.
The NFD, which is hosted by UKWIR, has been a valuable resource of both water mains and sewer information to the industry for well over ten years. It comprises records for both water mains and sewers - there is no other database in the world with such a long continuous record of failures – almost 30 years.
It now lends supports to several of UKWIR's 'Big Questions Programme' and its use has been critical in the outcomes from the UKWIR projects on asbestos pipes and polyethylene pipes.
Severn Trent Water’s Alex Mortlock and Affinity’s Patrick Campbell were the Programme Leads with Scottish Water’s David Main acted as supporting Programme Lead and with Jo Parker as Project Manager.
The review was completed by Ovarro supported by KWR and the University of Exeter. The findings from the review were disseminated at a workshop held in June.
Review outcome - ‘upgrade, enhance it or lose it’’
Ovarro’s George Heywood described how they had carried out a survey of UKWIR member companies’ on their views on using the NFD and how it could be enhanced.
They put forward a range of options. Firstly, losing the database means acquiring information separately for each project which could add tens of thousands pounds to the cost of each project as well as months to the project period. Secondly, the database could be kept much as it is or, thirdly, it could be enhanced adding to the power of the database.
Opportunities
The latter would open up opportunities to include many important new factors such as water pressure and soil type, and upgrading the design of the NFD to make it far easier to upload data and retrieve reports.
A relatively recent development that has put the focus on the NFD has been UKWIR’s development of the Big Question Programme and associated Routemaps that have identified future potential projects.
The value of the database on leakage projects for example has been vital when trying to project the current situation into the medium term.
According to George Heywood, the data will be vital in helping to answer other UKWIR Big Questions, in particular, ‘how do we achieve zero uncontrolled discharges from sewers by 2050?’’, and ‘zero interruption to water supplies by 2050’ Possible opportunities an enhanced NFD could deliver include:
- System specification for an updated database - cloud based and future proofed to make modification easy
- Updating needs to be automated and the option of the database being ‘open sourced’ should be included so that third parties, with permission, can access data
Next steps following completion of the project report include developing a briefing paper for the board and a proposal for inclusion in the UKWIR programme. If this is accepted then a project for detailed design and implementation of the new system could be initiated.
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