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PROCUREMENT OPPORTUNITY

Sewer Sealing Request for Information

Southern Water Services Limited · Tender notice on Find a Tender

Tender information last checkedLast checked 1 Oct 2026, 08:46.

Opportunity overview

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

Classification

  • CPV39350000 — Sewerage works equipment
  • CPV44130000 — Sewer mains
  • CPV44163130 — Sewer pipes
  • CPV45232400 — Sewer construction work
  • CPV45232410 — Sewerage work
  • CPV90470000 — Sewer cleaning services
  • CPV90480000 — Sewerage management services
  • CPV90491000 — Sewer survey services

Lots

  • Full Length Lining & Ground Water Infiltration Sealing£240m
  • Novel Ground Water Infiltration Sealing£40m

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
Prj_7839
Status
active
Procurement Method
open
Procurement Method Details
Competitive flexible procedure
Main Procurement Category
works
Above Threshold
Yes
How to submit
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
Published risks
See Tender & Contract Documents

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure

Features
Stage 1: PQQ Stage 2: ITT Stage 3: Negotiations (May or may not be required) Stage 4: Best and Final Offer (May or may not be required)

Special regime

utilities

Techniques

Has Framework Agreement
Yes

Framework Agreement

Maximum Participants
8
Method
withAndWithoutReopeningCompetition
Type
closed
Description
Rate Cards are available for suppliers to complete as part of the shortlisted ITT. Full details on the evaluation are included in the ITT documents.

Submission terms

Electronic Submission Policy
allowed

Languages

en

Tender Period

Ends
2 Jul 2026, 16:00

Enquiry period

Ends
23 Jun 2026, 17:00

Expected award period

Ends
19 Nov 2026, 23:59

Other Requirements

Reserved Participation

shelteredWorkshop

Lot Details

Award criteria

Description
Lot 1: Up to 3 suppliers Lot 2: Up to 5 suppliers Additional or fewer tenders could be awarded depending on final evaluation scores.

Contract terms

Financial Terms
See Tender & Contract Documents

Lots and requirements

Entry 1
Id
1
Title
Full Length Lining & Ground Water Infiltration Sealing
Description
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 Water’s Sewer Lining Standard.
Status
active
Has Renewal
Yes

Value

Including VAT
288,000,000
Amount
240,000,000
Currency
GBP

Award criteria

Criteria

Criterion 1
Type
quality
Name
Technical
Description
See ITT document for further details.

Numbers

Entry 1
Number
60
Weight
percentageExact
Criterion 2
Type
price
Name
Commercial
Description
See ITT document for further details.

Numbers

Entry 1
Number
40
Weight
percentageExact

Selection criteria

Criteria

Criterion 1
Type
economic
Description
See ITT and Contract Documents
Criterion 2
Type
technical
Description
See ITT and Contract Documents

Suitability

Sme
Yes
Vcse
Yes

Contract period

Starts
1 Dec 2026, 00:00
Ends
29 Nov 2030, 23:59
Max Extent Date
30 Nov 2034, 23:59

Renewal

Description
Option to extend by up to 4 x 1 year periods.
Entry 2
Id
2
Title
Novel Ground Water Infiltration Sealing
Description
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.
Status
active
Has Renewal
Yes

Value

Including VAT
48,000,000
Amount
40,000,000
Currency
GBP

Award criteria

Criteria

Criterion 1
Type
quality
Name
Technical
Description
See ITT document for further details.

Numbers

Entry 1
Number
60
Weight
percentageExact
Criterion 2
Type
price
Name
Commercial
Description
See ITT document for further details.

Numbers

Entry 1
Number
40
Weight
percentageExact

Selection criteria

Criteria

Criterion 1
Type
economic
Description
See ITT and Contract Documents
Criterion 2
Type
technical
Description
See ITT and Contract Documents

Suitability

Sme
Yes
Vcse
Yes

Contract period

Starts
1 Dec 2026, 00:00
Ends
29 Nov 2030, 23:59
Max Extent Date
30 Nov 2034, 23:59

Renewal

Description
Option to extend by up to 4 x 1 year periods.

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
39350000
Description
Sewerage works equipment
Entry 2
Scheme
CPV
Id
44130000
Description
Sewer mains
Entry 3
Scheme
CPV
Id
44163130
Description
Sewer pipes
Entry 4
Scheme
CPV
Id
45232400
Description
Sewer construction work
Entry 5
Scheme
CPV
Id
45232410
Description
Sewerage work
Entry 6
Scheme
CPV
Id
90470000
Description
Sewer cleaning services
Entry 7
Scheme
CPV
Id
90480000
Description
Sewerage management services
Entry 8
Scheme
CPV
Id
90491000
Description
Sewer survey services

Delivery locations

Entry 1
Region
UKJ
Country
GB
Country Name
United Kingdom
Item 2
Id
2
Related Lot
2

Additional Classifications

Entry 1
Scheme
CPV
Id
39350000
Description
Sewerage works equipment
Entry 2
Scheme
CPV
Id
44130000
Description
Sewer mains
Entry 3
Scheme
CPV
Id
44163130
Description
Sewer pipes
Entry 4
Scheme
CPV
Id
45232400
Description
Sewer construction work
Entry 5
Scheme
CPV
Id
45232410
Description
Sewerage work
Entry 6
Scheme
CPV
Id
90470000
Description
Sewer cleaning services
Entry 7
Scheme
CPV
Id
90480000
Description
Sewerage management services
Entry 8
Scheme
CPV
Id
90491000
Description
Sewer survey services

Delivery locations

Entry 1
Region
UKJ
Country
GB
Country Name
United Kingdom

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published
Entry 2
Id
050337-2026
Document Type
tenderNotice
Notice Type
UK4
Description
Tender notice on Find a Tender
Published
28 May 2026, 13:58
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Southern Water Services Limited
Id
GB-PPON-PBJQ-2231-ZRPG

Identifier

Scheme
GB-PPON
Id
PBJQ-2231-ZRPG

Address

Street Address
Southern Water, Southern House
Locality
Worthing
Postal Code
Bn13 3NX
Country
GB
Country Name
United Kingdom
Region
UKJ27

Contact

Name
Ross Cook

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
privateUtility
Description
Private utility

Recorded locations

  • Buyer location · Worthing · UKJ27 · Bn13 3NX · United Kingdom
  • Delivery location · UKJ · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 050337-2026Tender notice on Find a Tender ·