Sewer Sealing Request for Information
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...
Buyer
Southern Water Services Limited
Value
£280,000,000
Published
28 May 2026
Closes
2 Jul 2026
Procurement details
Source
Find a Tender
Region
United Kingdom
Procurement method
Open
Category
Works
Contract starts
Not provided
Contract ends
Not provided
CPV classifications
44163130
Sewer pipes
44130000
Sewer mains
90491000
Sewer survey services
45232400
Sewer construction work
90470000
Sewer cleaning services
45232410
Sewerage work
39350000
Sewerage works equipment
90480000
Sewerage management services
Lots
Lot 1 Full Length Lining & Ground Water Infiltration Sealing
£240,000,000
The Contractor shall attend and provide rehabilitation in the form of sewer lining in accordance with the Work Order. The Contractor will line the sewer to remove all identified defects in line with SWS standards. Material specification and operating procedures that the Contractor is required to adhere to for jobs of this type can be found within Southern Wa...
Delivery: UKJ · United Kingdom
Lot 2 Novel Ground Water Infiltration Sealing
£40,000,000
This Lot seeks suppliers offering innovative, next generation technologies and approaches aimed at identifying, preventing, mitigating, or repairing groundwater infiltration into sewer networks and inspection chambers across South East (SE) regions providing services as outlined in Lot 1 description.
Delivery: UKJ · United Kingdom
Documents
Unlock document linkTender notice on Find a Tender
28 May 2026
Tender notice on Find a Tender
Tender notice · UK4 · Web page
Preliminary market engagement notice on Find a Tender
15 Oct 2025
Preliminary market engagement notice on Find a Tender
Market engagement notice · UK2 · Web page
Contains public sector information licensed under the Open Government Licence v3.0.