Scope
Reference
FA2257
Description
This programme of the works includes, but is not limited to the following packages of work:
Renewal of the water mains network shall include but not be limited to:
· Optimisation, structural replacement or relining of distribution water mains within DMAs and bounded by district meters and the District Boundary Valves.
· Structural replacement of all service connections from the distribution mains to customer boundaries, including installation of a suitable boundary box.
· Replacement of all apparatus connected to the network including valves, hydrants, disinfection points, air valves, etc.
· Securing abandoned mains by cutting and capping. Removing surface covers, marker posts and plates of abandoned washouts, hydrants and valves etc. so that only covers relating to live apparatus remain.
Commercial tool
Establishes a framework
Total value (estimated)
- £120,000,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 8 December 2025 to 7 December 2029
- Possible extension to 8 December 2033
- 8 years, 1 day
Description of possible extension:
The framework agreement will run for an initial period of 4 years, with the option to extend by up to a further 4 years in exceptional circumstances, subject to satisfactory performance and continued need. The total maximum duration of the framework agreement, including any extensions, will not exceed 8 years.
Main procurement category
Works
CPV classifications
- 45232151 - Water-main refurbishment construction work
Contract locations
- UKI - London
- UKJ - South East (England)
Framework
Maximum number of suppliers
Unlimited
Maximum percentage fee charged to suppliers
0%
Framework operation description
The framework agreement will consist between 2-5 suppliers, appointed through a competitive tender process. Contracts (call-offs) under the framework may be awarded either by:
Direct award, where the terms of the framework allow for the immediate selection of the most economically advantageous supplier based on predefined criteria (e.g. price, availability, performance)
Mini-competition, where the contracting authority will invite all capable framework suppliers to submit proposals for specific requirements.
Prices for call-off contracts may be:
Rates fixed as submitted at framework stage
Subject to a pricing schedule
The selection of suppliers for individual contracts will follow the criteria set out in the procurement documents, including quality, price, and technical capability as relevant to each call-off.
Award method when using the framework
Either with or without competition
Contracting authorities that may use the framework
Establishing party only
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
8 September 2025, 5:00pm
Submission type
Requests to participate
Deadline for requests to participate
19 September 2025, 10:00am
Submission address and any special instructions
Please use the link below to gain access to the full PSQ documentation details;
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
28 November 2025
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Technical | Quality | 60% |
| Commercial | Price | 40% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
• Stage 1: Procurement Specific Questionnaire (PSQ);
Further explanation of PSQ process could be found in PSQ Instruction
• Stage 2: Invitation to Tender (ITN);
Further explanation of ITN process could be found in ITN Instruction
• Stage 3: Evaluation;
Evaluation criteria (Technical 60% Commercial 40%)
Further explanation of evaluation process could be found in ITN Instruction
• Stage 4: Contract Award
Contracting authority
THAMES WATER UTILITIES LIMITED
- Companies House: 02366661
- Public Procurement Organisation Number: PNQQ-4647-DTCV
Clearwater Court
Reading
RG1 8DB
United Kingdom
Region: UKJ11 - Berkshire
Organisation type: Private utility