On an industrial site the loss is usually in buried reticulation between buildings, and it hides inside a consumption figure nobody has questioned in years.
Work is normally done during a shutdown or overnight, when demand is low enough to read cleanly. Smaller premises sit under Leak Detection Durban.
Send your monthly consumption, site size and the number of connections.
Get an Industrial QuoteTypical Scope
- Night-line analysis, comparing minimum overnight flow against what the site should draw at rest.
- Step testing, closing zones in sequence to narrow the loss to a section.
- Correlator surveys on long buried reticulation between buildings.
- Bulk meter reconciliation against sub-meters, to size unaccounted-for water.
- CCTV on site drainage and interceptors.
- Thermal survey of steam, condensate and hot water lines.
Why Industrial Sites Leak Quietly
Long runs under hardstanding and yard areas, plant that draws continuously so a rising baseline looks normal, and reticulation installed in phases with no accurate as-built drawing. The leak does not announce itself, it just becomes part of the monthly figure.
Industrial Leak Detection Prices in Durban
| Job | Indicative range | What moves it |
|---|---|---|
| Industrial leak detection | From R4,750 | Scoped on site size and connections. |
| Night-line analysis | R3,500 – R9,500 | Overnight minimum flow measurement. |
| Step testing across zones | R4,500 – R14,000 | Out-of-hours, zone by zone. |
| Correlator survey per run | R1,800 – R3,800 | Buried reticulation between buildings. |
| Bulk versus sub-meter reconciliation | R2,400 – R6,500 | Sizes unaccounted-for water. |
| CCTV survey of site drainage | From R4,750 | Priced per run. |
| Thermal survey, steam and hot lines | R2,200 – R6,500 | By plant area. |
| Excavation and repair on site | R2,500 – R12,000 | Depends on surface and depth. |
| Written report for management | R1,200 – R3,500 | Findings, losses and costed scope. |
| Ongoing monitoring, monthly | R1,500 – R6,500 | Meter tracking and alerting. |
These are indicative market ranges, not a quotation. They are compiled from published South African leak detection and plumbing pricing to give you a starting point for budgeting. They are not the rate card of any company on this platform.
Ask for the loss to be quantified in kilolitres per day, not just located. That number is what turns a repair into a business case at the higher tariff steps.
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Frequently Asked Questions
Can detection be done without stopping production?
Usually. Most industrial testing is deliberately scheduled overnight or during an existing shutdown, because low demand gives far cleaner readings as well as avoiding disruption.
How is a leak found across a large site?
By narrowing before pinpointing. Night-line analysis establishes how much is being lost, step testing isolates which zone it is in, and correlation then locates the break within that zone.
What counts as unaccounted-for water?
The gap between what the bulk meter records and what the sub-meters and known usage account for. Sizing that gap is normally the first step, since it tells you whether the problem is worth a full survey.
Is this different from commercial leak detection?
It is the same method at a larger scale. Industrial work adds process lines, steam and condensate, yard reticulation and shutdown scheduling that a retail or office building does not have.
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