Sewer Sealing Request for Information
Estimated value
£280.0m
Awarded value
—
Suppliers
0
Lots
2
Published
28 May 2026
Description
Southern Water is committed to reducing storm overflows and managing the volume of water entering the sewer network. A key part of this strategy involves sealing sewers to limit water infiltration and inflow, helping to protect the environment and improve network resilience. We are inviting suppliers with the capability to provide sewer sealing repairs to submit a response to this Conditions of Participation (COP). The COP is divided into two Lots: Lot 1: Full Length Lining & Ground Water Infiltration Sealing Lot 2: Novel Ground Water Infiltration Sealing
Scope
- Reference
- Prj_7839
- Total value
- £280,000,000 excluding VAT£336,000,000 including VATAbove the relevant threshold
- Commercial tool
- Standalone contract
- Contract dates
- 01 Dec 2026 to 29 Nov 2030Possible extension to 30 Nov 2034
Option to extend by up to 4 x 1 year periods.
- Main category
- works
- CPV classifications
- 3935000044130000441631304523240045232410904700009048000090491000
- Contract locations
- South East England, United Kingdom
- Particular suitability
- Small and medium-sized enterprises (SME)Voluntary, community and social enterprises (VCSE)
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Technical | See ITT document for further details. | quality | 60.00% |
| Commercial | See ITT document for further details. | price | 40.00% |
Participation
Conditions suppliers must meet to bid.
See ITT and Contract Documents
Submission & procedure
- Enquiry deadline
- 23 Jun 2026, 4:00 pm
- Submission deadline
- 02 Jul 2026, 3:00 pm
- Submission address
- The procurement documents are available for unrestricted and full direct access, free of charge, at https://southernwater.bravosolution.co.uk/ https://southernwater.bravosolution.co.uk/ Additional information can be obtained from the above-mentioned address Tenders or requests to participate must be submitted electronically via https://southernwater.bravosolution.co.uk Tenders or requests to participate must be submitted to the above-mentioned address If you are interested in bidding for this tender, please be aware that you will need to have registered on the central digital platform before you will be able to bid. This will require you to complete some information and then you will be provided with a unique identifier. For more information on how to register, please follow the below link: how to register on the CDP
- Electronic submission
- Yes
- Procedure
- Competitive flexible procedure
Lots · 2 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| 1 | Full Length Lining & Ground Water Infiltration Sealing | £240.0m | active |
| 2 | Novel Ground Water Infiltration Sealing | £40.0m | active |