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ClosedFind a Tender · UK4

Sewer Sealing Request for Information

Buyer: Southern Water Services Limited →

View official notice ↗Official source

BuyerSouthern Water Services Limited
StatusClosed
Deadline2 Jul 2026
Value£280,000,000
Published28 May 2026

What is being bought

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

Delivery location

UKJ, GB · UKJ, GB

Categories

Sewerage works equipment 39350000Sewer mains 44130000Sewer pipes 44163130Sewer construction work 45232400Sewerage work 45232410Sewer cleaning services 90470000Sewerage management services 90480000Sewer survey services 90491000

Lot details

Full Length Lining & Ground Water Infiltration Sealing

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.

Statusactive
Value£240,000,000
Contract periodFrom 1 Dec 2026 to 29 Nov 2030
SME suitabilitySuitable for SMEs

Award criteria
Technical — See ITT document for further details. (60%)
Commercial — See ITT document for further details. (40%)

Novel Ground Water Infiltration Sealing

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.

Statusactive
Value£40,000,000
Contract periodFrom 1 Dec 2026 to 29 Nov 2030
SME suitabilitySuitable for SMEs

Award criteria
Technical — See ITT document for further details. (60%)
Commercial — See ITT document for further details. (40%)

What is included

ItemCategoryQuantity
1Sewerage works equipment, Sewer mains, Sewer pipes, Sewer construction work, Sewerage work, Sewer cleaning services, Sewerage management services, Sewer survey servicesNot published
2Sewerage works equipment, Sewer mains, Sewer pipes, Sewer construction work, Sewerage work, Sewer cleaning services, Sewerage management services, Sewer survey servicesNot published

Comparable-procurement analytics

Benchmarked against retained Find a Tender procedures with CPV division 39. The category anchor is Sewerage works equipment (39350000); this is a deliberately broad market comparator. The comparison is shown at several levels rather than pretending one company or region is always the best benchmark.

Comparison setProceduresReported bids per procedureNamed award suppliersPrice evidence
Market: CPV division 391,1676 median · 57.9 average (421 of 1,167 with a bid count)6 average (449 of 1,167 with named award suppliers)Not published
Same buyer3Not publishedNot publishedNot published
Delivery region: UKJ623 median · 14.5 average (21 of 62 with a bid count)5.5 average (21 of 62 with named award suppliers)Not published
Similar published value (0.5×–2×)39Not publishedNot publishedNot published

“Reported bids” is an official aggregate, sometimes reported per lot; it is the closest available competition measure. “Named award suppliers” are winners, not all applicants.

Price-outcome signal

Not enough comparable procedures currently publish both a GBP tender value and a usable lowest-valid-bid value to calculate a responsible price-reduction benchmark. Tenderline deliberately does not infer a saving from named award suppliers or from missing award values.

Procurement strategy & market signals

Framework agreementYes
Dynamic purchasing systemNot published
Competitive procurementNot published
Recurring requirementNot published
Procurement method rationaleNot published
Rationale classificationsNot published
Special regimeutilities
Covered byNot published
Submission policyallowed
Selection criteriaNot published
Risk detailsSee Tender & Contract Documents

Planning & early market engagement

BudgetNot published
No-engagement rationaleNot published
Planning documents0
Planning milestones0

No planning milestones published.

Related procurements

No linked framework, prior procurement or reprocurement published.

Documents & submission route

Source data inventory

Diagnostic view. “Not published” means this current release does not provide a value.

OCIDocds-h6vhtk-05cd5a
Latest release ID050337-2026
Latest release timestampThu May 28 2026 12:58:41 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLhttps://www.find-tender.service.gov.uk/Notice/050337-2026
Tender statusactive
Procurement methodopen
Procurement method detailsCompetitive flexible procedure
Main procurement categoryworks
Above thresholdYes
Legal basis2023/54
Tender period: startNot published
Tender period: end2026-07-02T16:00:00+01:00
Expression of interest deadlineNot published
Enquiry deadline2026-06-23T17:00:00+01:00
Award period: startNot published
Award period: end2026-11-19T23:59:59+00:00
Submission method detailsThe 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
Submission languagesen
Electronic catalogue policyNot published
Total tender value£280,000,000
Tender lots in source2
Tender items in source2
Tender documents in source2
Awards in latest release0
Contracts in latest release0
Parties in latest release1

Notice history

DateEventReference
28 May 2026tender050337-2026
15 Oct 2025planning065612-2025

All source data

Unmodified official OCDS data retained by Tenderline for this procurement process.

Complete current OCDS release JSON
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Complete JSON history (2 releases)
28 May 2026 · 050337-2026 · tender
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        "maximumParticipants": 8
      },
      "hasFrameworkAgreement": true
    },
    "awardPeriod": {
      "endDate": "2026-11-19T23:59:59+00:00"
    },
    "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.\nWe are inviting suppliers with the capability to provide sewer sealing repairs to submit a response to this Conditions of Participation (COP).\nThe COP is divided into two Lots:\nLot 1: Full Length Lining & Ground Water Infiltration Sealing\nLot 2: Novel Ground Water Infiltration Sealing",
    "riskDetails": "See Tender & Contract Documents",
    "tenderPeriod": {
      "endDate": "2026-07-02T16:00:00+01:00"
    },
    "contractTerms": {
      "financialTerms": "See Tender & Contract Documents"
    },
    "enquiryPeriod": {
      "endDate": "2026-06-23T17:00:00+01:00"
    },
    "specialRegime": [
      "utilities"
    ],
    "aboveThreshold": true,
    "submissionTerms": {
      "languages": [
        "en"
      ],
      "electronicSubmissionPolicy": "allowed"
    },
    "otherRequirements": {
      "reservedParticipation": [
        "shelteredWorkshop"
      ]
    },
    "procurementMethod": "open",
    "mainProcurementCategory": "works",
    "submissionMethodDetails": "The procurement documents are available for unrestricted and full direct access, free of charge, at https://southernwater.bravosolution.co.uk/   \nhttps://southernwater.bravosolution.co.uk/\nAdditional information can be obtained from the above-mentioned address\nTenders or requests to participate must be submitted electronically via\nhttps://southernwater.bravosolution.co.uk\nTenders or requests to participate must be submitted to the above-mentioned address\nIf 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:\nhow to register on the CDP",
    "procurementMethodDetails": "Competitive flexible procedure"
  },
  "buyerID": [],
  "parties": [
    {
      "id": "GB-PPON-PBJQ-2231-ZRPG",
      "name": "Southern Water Services Limited",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKJ27",
        "country": "GB",
        "locality": "Worthing",
        "postalCode": "Bn13 3NX",
        "countryName": "United Kingdom",
        "streetAddress": "Southern Water, Southern House"
      },
      "details": {
        "url": "http://www.southernwater.co.uk",
        "classifications": [
          {
            "id": "privateUtility",
            "scheme": "UK_CA_TYPE",
            "description": "Private utility"
          }
        ]
      },
      "identifier": {
        "id": "PBJQ-2231-ZRPG",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Ross Cook",
        "email": "ross.cook@southernwater.co.uk"
      }
    }
  ],
  "language": "en",
  "initiationType": "tender"
}
15 Oct 2025 · 065612-2025 · planning
{
  "id": "065612-2025",
  "tag": [
    "planning"
  ],
  "date": "2025-10-15T14:11:48+01:00",
  "ocid": "ocds-h6vhtk-05cd5a",
  "buyer": {
    "id": "GB-PPON-PBJQ-2231-ZRPG",
    "name": "Southern Water Services Limited"
  },
  "tender": {
    "id": "Prj_7839",
    "lots": [
      {
        "id": "1",
        "status": "planning",
        "hasRenewal": true,
        "suitability": {
          "sme": true
        },
        "contractPeriod": {
          "endDate": "2030-08-01T23:59:59+01:00",
          "startDate": "2026-08-01T00:00:00+01:00",
          "maxExtentDate": "2033-07-01T23:59:59+01:00"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UK",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "44163130",
            "scheme": "CPV",
            "description": "Sewer pipes"
          },
          {
            "id": "44130000",
            "scheme": "CPV",
            "description": "Sewer mains"
          },
          {
            "id": "90491000",
            "scheme": "CPV",
            "description": "Sewer survey services"
          },
          {
            "id": "45232400",
            "scheme": "CPV",
            "description": "Sewer construction work"
          },
          {
            "id": "90470000",
            "scheme": "CPV",
            "description": "Sewer cleaning services"
          },
          {
            "id": "45232410",
            "scheme": "CPV",
            "description": "Sewerage work"
          }
        ]
      }
    ],
    "title": "Sewer Sealing Request for Information",
    "value": {
      "amount": 100000000,
      "currency": "GBP",
      "amountGross": 120000000
    },
    "status": "planning",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "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.\nWe are inviting suppliers with proven expertise in sewer sealing to participate in this market engagement. The aim is to assess capabilities to deliver planned programmes using recognised industry techniques for sealing groundwater out of pipes such as:\n•\tCured-in-place pipe (CIPP) lining\n•\tPull-in-place liners\n•\tSlip-lining\n•\tFold-and-form liners\n•\tFull-length polymer coatings\n•\tTargeted patch repairs\n•\tPacker/resin injection\n•\tChemical/polyurethane grouting\n•\tCementitious grouts\n•\tMechanical joint seals\n•\tManhole rehabilitation\n•\tTop Hat Installation\n•\tHot cure methods e.g Inversion, Steam Cure, UV light, LED light. \n•\tOther sewer sealing/pathing techniques and innovations \n•\tOther sewer sealing/pathing techniques and innovations \nInformation requested\n•\tOverview of your experience and proven track record with the major sewer sealing techniques listed (though not exhaustive) above.\n•\tCurrent and forecasted delivery capacity including crews and annual throughput.\n•\tPossible geographical split for delivery including any regional offices, depots, or preferred operating areas.\n•\tIn-house technical capabilities and certifications for CCTV surveying, cleaning, lining, injection grouting, manhole rehabilitation and post-work validation.\n•\tAbility to provide turnkey services including traffic management, reinstatement, emergency response and accurate reporting.\n•\tYour appetite for sewer sealing supply chain innovation\nThis engagement is separate from the Wastewater Network Services – Lot 4, which focuses on reactive repair and maintenance of live assets. Instead, this initiative is forward-looking, targeting proactive sealing interventions to support our long-term environmental and operational goals.\nPurpose and scope\nThe objective is to identify contractors able to programme and deliver sewer sealing works at scale, reduce inflow and infiltration, and restore or improve hydraulic and structural integrity across our sewer network. We seek information on supplier capacity, mobilisation readiness, geographic delivery options, and in-house technical capabilities for both pipe and manhole interventions.\nTender\nTender is planned to commence in late 2025/early 2026 to support planned Sewer Sealing work in AMP8, Contract commencing in 2026.",
    "communication": {
      "futureNoticeDate": "2026-03-02T23:59:59+00:00"
    },
    "specialRegime": [
      "utilities"
    ],
    "aboveThreshold": true,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PBJQ-2231-ZRPG",
      "name": "Southern Water Services Limited",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKJ27",
        "country": "GB",
        "locality": "Worthing",
        "postalCode": "Bn13 3NX",
        "countryName": "United Kingdom",
        "streetAddress": "Southern Water, Southern House"
      },
      "details": {
        "url": "http://www.southernwater.co.uk",
        "classifications": [
          {
            "id": "privateUtility",
            "scheme": "UK_CA_TYPE",
            "description": "Private utility"
          }
        ]
      },
      "identifier": {
        "id": "PBJQ-2231-ZRPG",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "chris.bashford@southernwater.co.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "065612-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/065612-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-10-15T14:11:48+01:00"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-11-15T23:59:59+00:00",
        "description": "Southern Water is initiating a market engagement exercise to help shape our future procurement strategy for Sewer Sealing services. This will begin with the release of a Request for Information (RFI).\nWe encourage all interested suppliers to participate. Please note that Southern Water reserves the right to engage in further discussions with any organisation, regardless of whether they respond to the initial RFI.\nDepending on the insights gathered, we may follow up with:\nOne-to-one meetings (either in person or online),\nA live Marketplace event or townhall session (either in person or online),\nand/or a second RFI, if deemed necessary.\nThe initial RFI is scheduled to be issued on 17th October 2025."
      }
    ]
  },
  "initiationType": "tender"
}