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Rehabilitation & Works Verification

Before and after flow monitoring that shows whether relining, cleaning and repair works delivered what was paid for.

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At a glance

  • Before and afterBaseline monitoring before the works begin
  • Rainfall alongside flowWet weather response compared before and after
  • Whether capacity was restoredFlow profiles show the return to baseline
  • A documented outcomeA report for asset and planning teams

Rehabilitation is a large investment, and flow data is the most direct way to show it worked. EDS monitors before and after relining, cleaning and repair programs, so the change in the network is measured rather than assumed.

After a cleaning and relining program in one coastal network, flow profiles recorded by EDS showed the network back to its baseline hydraulic behaviour within 24 hours, confirming the works had restored full capacity.

Utilities increasingly use these before and after comparisons to verify contractor performance, reducing disputes and improving accountability across maintenance programs.

A before and after approach

  1. 01

    Baseline monitoring before works begin

  2. 02

    Rainfall recorded alongside flow, so wet weather response before and after can be compared

  3. 03

    Monitoring through and after the works

  4. 04

    Depth, flow and wet weather response compared against the baseline

  5. 05

    A report that documents the outcome for asset and planning teams

What it tells you

Whether capacity was restoredFlow profiles show the network returning to baseline hydraulic behaviour.
Whether infiltration fellLess depth and flow variation during rainfall confirms the rehabilitation reduced infiltration.
Whether the model was rightMeasured results confirm, or correct, the improvements the model predicted.
Where to spend nextLong term monitoring validates past interventions and guides the next round of investment.

Results from the field

24 h until flows were back at baseline after relining

After a cleaning and relining program, flow profiles recorded by EDS showed the network back to its baseline hydraulic behaviour within a day, confirming the works had restored full capacity.

Coastal network
40% less variation in depth and flow during rain

Monitoring after a relining program showed depth and flow varied far less in wet weather, confirming the works had reduced infiltration and that the model’s predicted improvement was real.

Metropolitan utility

4 more results from EDS programs

  • $6Mtreatment plant expansion avoided
  • 34sites installed and operated in 12 weeks
  • 15sites of sewer flow and rainfall monitoring in eight weeks
  • 30%less spent on unnecessary relining
All results

How a program runs

From the first call to data you can act on.

  1. 01

    Scope and site selection

    Agree what the data has to answer, then choose sites by their hydraulics, not their convenience.

  2. 02

    Install and commission

    Trained EDS crews install intrinsically safe instruments, Australia wide, and check every site before it goes live.

  3. 03

    Monitor and validate

    Readings arrive over 4G into FlowSense, with continuous QA/QC and alarms when something changes.

  4. 04

    Report and recommend

    Validated data and a report that shows where the problems are and what to fix first, or a feed into your model by API.

Talk to the people who measure it.

Tell us about your network, site or project. A real person from our team will come back to you.

Start an enquiry 1300 721 683