Created by potrace 1.16, written by Peter Selinger 2001-2019

Understanding N1 Tests for Leak Management

Duration: 2 days

Delivery: Online (self-paced)

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Course details

This course allows new starters to the leakage industry to understand how the N1 exponent relates to leakage; to use best practice techniques to plan for and carry out an N1 field test; and to analyse N1 test data to inform water loss management strategies within supply networks.

Duration: 2 days

Delivery: Online (self-paced)

Paul Ives

Paul is a Senior Consultant with 13 years' industry experience immersed in the intricate challenges and dynamics of minimising water loss and optimising water resources. His strong understanding of both leakage detection methods and calculation methodologies stems from operational and field roles as well as working on leakage strategy and analysis to gain a thorough working knowledge of water loss.

Course overview

This course was developed by WRc to enable delegates to understand how the N1 exponent relates to water loss management; and to plan for, carry out, and analyse data from N1 field tests. Knowledge, skills, and techniques gained will ultimately allow leakage teams to sustain an optimised and resilient water supply system. Upon course completion, participants will be able to:

  • Understand pressure zones in the supply system and how the N1 exponent relates to pressure and leakage, as well as its impact on water loss strategies
  • Identify best practice for implementing a successful N1 test which draws upon lessons learned and common challenges
  • Use data to select DMAs and pressure zones as targets for N1 testing
  • Create a comprehensive plan for N1 testing, including zone selection, scheduling, resource allocation, and risk management
  • Prepare and conduct a safe and accurate N1 field test
  • Analyse and interpret N1 test results and use this data to inform pressure management, leak detection, and repair prioritisation
  • Establish ongoing monitoring practices to sustain system efficiency and resilience

    Who can benefit?

    Delegates may include new starters to the water leakage field. Additionally, new recruits to leakage teams to ensure a standardised level of knowledge and training, thus consistency of operations.

    Training outline

    Flexible course delivery via our online leaning platform allows delegates to complete modules at their own pace.

    • Overview of Water Loss Management
      - Understanding water distribution systems and components
      - Relevance of the FAVAD concept in leak management
    • Fundamentals of N1 Testing
      - Pressure management principles in relation to leakage and the N1 exponent
      - Step-by-step guidance on conducting N1 tests, including equipment, techniques, and safety considerations
    • Data Analysis and Interpretation
      - Criteria for selecting target zones for N1 testing based on historical data, system vulnerability, and prior leakage rates
      - Analysis of N1 test results and interpretation techniques including the use of hydraulic models
    • Implementing N1 Testing in Practice
      - Real-world case studies and best practices for implementation
      - Developing a comprehensive testing plan, including target zone selection, scheduling, and risk management
    • Using N1 for System Optimisation
      - Leveraging N1 data to make informed decisions on pressure management, leak detection, and repair prioritisation
      - Monitoring practices for continuous improvement and system resilience

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      Created by potrace 1.16, written by Peter Selinger 2001-2019

      More about our leakage strategy consultancy services

      Our highly skilled statisticians, data scientists and economists collate their pooled knowledge of assets and technologies, flow measurement, pressure management and leakage theory to provide expertise to Government, utilities, regulators and the wider industry.

      We can help you reduce risk and embrace innovation to establish an effective leakage strategy, whether for your upstream and strategic network, distribution networks or customer supply lines.

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      Created by potrace 1.16, written by Peter Selinger 2001-2019

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