Thames Water has gone out to tender with a major contract for leak detection and testing services worth an estimated £203 million in total.
Leak detection is a high profile category for Thames Water - it includes the proactive detection of non-visible leaks, specialised consulting and additional projects related to leakage detection.
Activities related to the detection of leakage are performed across three regions: North London, South London and Thames Valley. The water company is now looking to implement a step change in current performance to make sure it meets its leakage target and commitments.
The contract is being tendered in four separate Lots – with a maximum number of four lots awarded to any one tenderer
Lot 1 Leakage Detection Services — North London (£91 million)
Lot 2 Leakage Detection Services — South London (£48 million)
Lot 3 Leakage Detection Services — Thames Valley (£24 million)
Lot 4 Leakage Detection Projects (£40 million)
Activities covered under Lots 1, 2 and 3 include:
Recurrence leakage activity:
- open sounding
- lift and shift logging
- permanent noise logger follow up
- step testing
- leak noise correlating
- customer Side Leakage proving
Reduction leakage activity:
- further leakage checks
- stopper meter investigations
- missing/unmeasured property checks
- property coding
- property allocation errors
Operability activity including:
- Pressure Zero Testing
- boundary valve proving
- flush testing a DMA
- flow testing a District Meter
- commercial night use investigations
Leakage detection projects under Lot 4 will cover all leakage detection activities for a DMA, as per Lot 1, 2 and 3 where extra intervention, on a project or campaign basis, is required to meet a specific leakage target in a DMA.
Thames Water is looking to appoint up to 9 suppliers to the framework agreement, which will run for a maximum term of 8 years.
Time limit for receipt of tenders or requests to participate is 17th September 2018 – click here to access the tender documentation.
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