Overcoming Reliance on Short-Term Flow Surveys

  • Project Objective

    Understand whether long term flow monitoring which is already installed at fixed assets in the network can be used to verify hydraulic models
  • UK Water Industry Research

    Part of UKWIR’s 2015/16 research programme
  • Project Partners

    Mouchel, EMS and University of Exeter
  • Overcoming Reliance on Short-Term Flow Surveys

EMS is a partner on the UKWIR Project entitled Overcoming the Reliance on Short-Term Flow Surveys to Develop and Verify Sewer Network Models.
This is part of UKWIR’s 2015/16 research programme.

Project Objective

The objective of this project is to understand whether long term flow monitoring which is already installed at fixed assets in the network can be used to verify hydraulic models.

Project Background

Sewer network modelling is fundamental to enabling Water Companies to understand network performance, quantify the impact of supply / demand challenges and develop investment and operational responses to identified shortfalls. Currently short term flows surveys are used to verify and calibrate models, but this is a significant proportion of the costs associated with modelling. The length of flow survey required is dependent on weather conditions, meaning there that is a large amount of uncertainty around both duration and cost of modelling projects. In AMP 6, many companies will be installing additional monitoring around intermittent discharge points as part of the NEP programme, so an increasing amount of data will be available.

However, the current use of temporary/short term flow surveys potentially increases the costs and duration of modelling projects. In addition most short duration monitoring is unlikely to record extreme or larger return period events.

The project will:

  • Evaluate the risk of using of using such data
  • Develop guidance on when it is appropriate to use long term flow monitor data and the optimum coverage for different modelling outcomes e.g. water quality, flooding
  • Identify the potential costs savings that could be achieved by companies if the reliance on short term flow monitoring can be reduced
  • Understand the reduction in health and safety risks by reducing the need to access confined spaces within networks to install and maintain short term monitors
  • Develop an understanding of the value of fixed monitor data when assessing the impact of network changes and identify the need for model maintenance

 

Want to know more?

For more information on the project please contact Dr Peter Skipworth on 0114 2722270.

Project Partners

  • Mouchel (Project Lead)
  • Environmental Monitoring Solutions Ltd
  • University of Exeter

 

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