Sewer Sealing Request for Information

Southern Water Services Limited

Publication date 28 May 2026, 12:58pm
Closing 2 July 2026, 3:00pm
Contract locations
UKJ - South East (England)
UKJ27 - West Sussex (South West)
Lot values
£240,000,000
£40,000,000
Total value £280,000,000

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

Sewer Sealing Request for Information