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Printer Friendly VersionSelected Information - Proposed Research

CP460  Locating private pumping stations Sewerage
Project Appreciation and Objectives

Responsibility for gravity sewers and laterals connecting to the public sewer system transferred to water and sewerage companies in England and Wales on 1st October 2011 and pumping stations will transfer over the period to 1st October 2016. It has been estimated that between 20,000 and 30,000 pumping stations will transfer, but numbers are highly uncertain and the all locations are not known. To make a business case for any essential upgrading work to these pumping stations, water and sewerage companies must first locate and establish the condition of these assets.

The first and most urgent task is to locate the pumping stations that will transfer. From WRc's previous work on private pumping stations we have identified the following relevant factors;

  • Pumping stations are more common in recent developments.
  • Pumping stations are often provided in locations where gravity draining is feasible, but where land ownership issues made a pumping station preferable for the developer.

WRc have identified a number of rules that could be applied to base data using geographical information system (GIS) analysis techniques in order to identify the locations where private pumping stations are most likely to be found.

The objective of this project is to establish the data requirements and a cost effective methodology for the identification of locations where there is a high likelihood of there being a private pumping station.

Benefits to Clients

  • Robust estimates of the numbers of pumping stations will allow sample condition surveys to provide a strong evidence base for the expected cost for use in business plan submissions.
  • Sharing development costs with other equivalent organisations, evaluation of a wider range of catchments and use of wider range of data sources.

Work Programme

  1. Draft methodology and data questionnaire.
  2. Identify pilot catchments.
  3. Preliminary data collection and analysis.
  4. Review initial results and revise methodology if necessary.
  5. Final data collection and analysis.
  6. Reporting and Dissemination.

Project Output

The project output will be a data specification and a methodology for the identification of likely areas for the locations of private pumping stations. The data specification will include a cost and benefit assessment for each dataset.

Related WRc Work

  • Minimum serviceability level for transferred Pumping Stations, UKWIR. 2010- 2011.
  • CP312 : Predisposition of properties to flooding.
  • Estimation of lengths of private sewer and lateral drains.

WRc's Portfolio Programme
Summary of the £1.5 million per annum research programme

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