{ "uri": "https://www.find-tender.service.gov.uk/api/1.0/ocdsRecordPackages/ocds-h6vhtk-067c05", "publisher": { "name": "Cabinet Office", "scheme": "GB-GOR", "uid": "D2", "uri": "https://www.gov.uk/government/organisations/cabinet-office" }, "publishedDate": "2026-04-23T13:09:40+01:00", "license": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/", "publicationPolicy": "https://www.gov.uk/government/publications/open-contracting", "version": "1.1", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ], "packages": [ "https://www.find-tender.service.gov.uk/api/1.0/ocdsRecordPackages/ocds-h6vhtk-067c05" ], "records": [ { "ocid": "ocds-h6vhtk-067c05", "releases": [ { "ocid": "ocds-h6vhtk-067c05", "id": "031005-2026", "tag": [ "tender" ], "date": "2026-04-02T14:57:05+01:00", "initiationType": "tender", "parties": [ { "name": "SEVERN TRENT WATER LIMITED", "id": "GB-COH-02366686", "identifier": { "scheme": "GB-COH", "id": "02366686" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PQQN-5222-QDXR" } ], "address": { "streetAddress": "Severn Trent Centre", "locality": "Coventry", "postalCode": "CV1 2LZ", "country": "GB", "countryName": "United Kingdom", "region": "UKG33" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.severntrent.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" } ] } }, { "name": "HAFREN DYFRDWY CYFYNGEDIG", "id": "GB-COH-03527628", "identifier": { "scheme": "GB-COH", "id": "03527628" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PWGQ-2543-XWCR" } ], "address": { "streetAddress": "Packsaddle Wrexham Road", "locality": "Wrexham", "postalCode": "LL14 4EH", "country": "GB", "countryName": "United Kingdom", "region": "UKL23" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.hdcymru.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" }, { "scheme": "UK_CA_DEVOLVED_REGULATIONS", "id": "GB-WLS", "description": "Welsh devolved regulations apply" } ] } } ], "buyer": { "id": "GB-COH-02366686", "name": "SEVERN TRENT WATER LIMITED" }, "tender": { "id": "Doc3039598058", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "Framework for the provision of a Tunnelling, Drilling & Shaft Works for Build Only and Design & Build", "description": "The Utilities requirement is for the provision of a multi lot Tunnelling, Drilling & Shaft Works Framework for the delivery of works as Build Only and Design & Build across the Utilities regions.\nThe Lots are detailed below. \nB = Build Only, D&B = Design & Build\n1\tB\t Pipe Ramming\n1\tD&B\tPipe Ramming\n2\tB\t Thrust Boring\n2 \tD&B\tThrust Boring\n3\tB\t Horizontal Directional Drilling (25-630)\t\n3\tD&B\tHorizontal Directional Drilling (25-630)\n4\tB\t Horizontal Directional Drilling (630-1200)\n4\tD&B\tHorizontal Directional Drilling (630-1200)\n5\tB\t Horizontal Directional Drilling - Rock Drilling (50-500)\n5\tD&B\tHorizontal Directional Drilling - Rock Drilling (50-500)\n6\tB\t Timber Heading\n6\tD&B\tTimber Heading\n7\tB\t Micro Tunnelling\t\n7\tD&B\tMicro Tunnelling\n8\tB\t Auger Boring\n8\tD&B\tAuger Boring\n9\tB\t Direct Pipe\n9\tD&B\tDirect Pipe\n10\tB\t Pipe Jacking\n10\tD&B\tPipe Jacking \n11\tB\t Segmental Tunnelling\n11\tD&B\tSegmental Tunnelling\n12\tB\t Under Pinning (Free Air)\t\n12\tD&B\tUnder Pinning (Free Air)\n13\tB\t Under Pinning (Compressed Air)\n13\tD&B\tUnder Pinning (Compressed Air)\n14\tB\t Open Caisson Wet\t\n14\tD&B\tOpen Caisson Wet\n15\tB\t Open Caisson Dry\t\n15\tD&B\tOpen Caisson Dry\n16\tB\t Sheet Piled Pits\t\n16\tD&B\tSheet Piled Pits\n17\tB\t Timber Shafts\t\n17\tD&B\tTimber Shafts\nInterested parties are to note;\n- the Utilities requirements will be predominantly Design & Build. \n- participants can not bid for a shaft lot in isolation (lots 12-17) they must have drilling/ tunnelling capability.\n- during tendering bidders will be evaluated and subsequently awarded Lots where bidders have demonstrated the required competency.\nThe Utilities intend to call of works via mini competition or direct allocation where direct allocation allows.\nFurther detail is provided in the PQQ and RFP Briefings and tender documents", "status": "active", "items": [ { "id": "1B", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "1B" }, { "id": "2 DB", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "2 DB" } ], "value": { "amountGross": 1440000000, "amount": 1200000000, "currency": "GBP" }, "procurementMethod": "selective", "procurementMethodDetails": "Competitive flexible procedure", "procedure": { "features": "Stage 1 - PQQ - Pre-qualification \nPost PQQ technical evaluations Bidders will be shortlisted down in accordance with the PQQ Briefing Pack. Successful, shortlisted Bidders will be invited to the RFP stage.\nStage 2 - RFP - Request for Proposal \nBidders technical and commercial responses will be evaluated and shortlisted down in accordance with the RFP Briefing Pack. Successful Bidders will be appointed to the Framework.\nIt is the Utilities intention to call off works under the Framework using mini competition and direct allocation, where direct allocation is permitted." }, "mainProcurementCategory": "works", "specialRegime": [ "utilities" ], "aboveThreshold": true, "techniques": { "hasFrameworkAgreement": true, "frameworkAgreement": { "method": "withAndWithoutReopeningCompetition", "type": "closed", "description": "The Utilities intention is to call off works under the Framework via mini competition or direct allocation, where direct allocation is permitted. \nCall off works will be assessed and evaluated using a combination of Technical and Price assessment. \nThe approach to calling off works under the Framework is detailed in the tender documents." } }, "submissionMethodDetails": "Posting ID: 1110008752\nSourcing ID: Doc3039598058\nResponse Deadline: 22/04/2026 14:00\nPreview Link:\nhttps://portal.us.bn.cloud.ariba.com/dashboard/public/appext/comsapsbncdiscoveryui#/RfxEvent/preview/1110008752?anId=ANONYMOUS", "submissionTerms": { "electronicSubmissionPolicy": "allowed", "languages": [ "en" ] }, "expressionOfInterestDeadline": "2026-04-28T23:59:59+01:00", "enquiryPeriod": { "endDate": "2026-04-15T23:59:59+01:00" }, "awardPeriod": { "endDate": "2026-09-30T23:59:59+01:00" }, "lots": [ { "id": "1B", "title": "Build Only - Tunnelling, Drilling & Shaft Works", "description": "The Lots ending \"B\" require the contractor to deliver the works as Principal Contractor only. \nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. \nTUNNELLING & DRILLING WORKS\nLot 1B - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2B - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption. \nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3B - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4B - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5B - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6B - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure. \nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7B - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8B - AUGER BORING\t\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry. \nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9B - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10B - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft. \nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11B - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12B to 17B \nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works. \nSee Tunnelling & Drilling Lots 1B to 11B.\n - All Shafts are concrete\n - Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n - Shaft Depth Range (ms) = 5 to 25.\nLot 12B - UNDER PINNING (FREE AIR)\nLot 13B - UNDER PINNING COMPRESSED AIR)\nLot 14B - OPEN CAISSON WET\nLot 15B - OPEN CAISSON DRY\nLot 16B - SHEET PILED PITS\nLot 17B - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 360000000, "amount": 300000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of; \nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 74 not 100. 26 being reserved for assessment where the bidder selects to undertake works as Principal Designer & Contractor.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s). \nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price \nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } }, { "id": "2 DB", "title": "Design & Build - Tunnelling, Drilling & Shaft Works", "description": "Design & Build - Tunnelling, Drilling & Shaft Works\nThe Lots ending \"DB\" require the contractor to deliver the works as Principal Designer and Principal Contractor. \nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. \nTUNNELLING & DRILLING WORKS\nLot 1DB - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2DB - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption. \nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3DB - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4DB - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5DB - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6DB - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure. \nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7DB - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8DB - AUGER BORING\t\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry. \nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9DB - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10DB - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft. \nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11DB - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12DB to 17DB \nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works. \nSee Tunnelling & Drilling Lots 1DB to 11DB.\n - All Shafts are concrete\n - Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n - Shaft Depth Range (ms) = 5 to 25.\nLot 12DB - UNDER PINNING (FREE AIR)\nLot 13DB - UNDER PINNING COMPRESSED AIR)\nLot 14DB - OPEN CAISSON WET\nLot 15DB - OPEN CAISSON DRY\nLot 16DB - SHEET PILED PITS\nLot 17DB - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 1080000000, "amount": 900000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of; \nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 100. \nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s). \nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price \nCalling Works Off Under the Framework\nWorks will be called off under the framework via mini competition. A breakdown of the award criteria being; Technical 60% - Price - 40%.\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } } ], "lotDetails": { "awardCriteriaDetails": "Interested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. Bidders can select one or multiple lots for either Build and or Design & Build works." }, "documents": [ { "id": "conflictOfInterest", "documentType": "conflictOfInterest", "description": "Not published" }, { "id": "031005-2026", "documentType": "tenderNotice", "noticeType": "UK4", "description": "Tender notice on Find a Tender", "url": "https://www.find-tender.service.gov.uk/Notice/031005-2026", "datePublished": "2026-04-02T14:57:05+01:00", "format": "text/html" } ] }, "language": "en", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ] }, { "id": "037063-2026", "tag": [ "tenderUpdate" ], "date": "2026-04-23T13:09:39+01:00", "initiationType": "tender", "ocid": "ocds-h6vhtk-067c05", "parties": [ { "name": "SEVERN TRENT WATER LIMITED", "id": "GB-COH-02366686", "identifier": { "scheme": "GB-COH", "id": "02366686" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PQQN-5222-QDXR" } ], "address": { "streetAddress": "Severn Trent Centre", "locality": "Coventry", "postalCode": "CV1 2LZ", "country": "GB", "countryName": "United Kingdom", "region": "UKG33" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.severntrent.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" } ] } }, { "name": "HAFREN DYFRDWY CYFYNGEDIG", "id": "GB-COH-03527628", "identifier": { "scheme": "GB-COH", "id": "03527628" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PWGQ-2543-XWCR" } ], "address": { "streetAddress": "Packsaddle Wrexham Road", "locality": "Wrexham", "postalCode": "LL14 4EH", "country": "GB", "countryName": "United Kingdom", "region": "UKL23" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.hdcymru.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" }, { "scheme": "UK_CA_DEVOLVED_REGULATIONS", "id": "GB-WLS", "description": "Welsh devolved regulations apply" } ] } } ], "buyer": { "id": "GB-COH-02366686", "name": "SEVERN TRENT WATER LIMITED" }, "tender": { "id": "Doc3039598058", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "Framework for the provision of a Tunnelling, Drilling & Shaft Works for Build Only and Design & Build", "description": "The Utilities requirement is for the provision of a multi lot Tunnelling, Drilling & Shaft Works Framework for the delivery of works as Build Only and Design & Build across the Utilities regions.\nThe Lots are detailed below.\nB = Build Only, D&B = Design & Build\n1\tB\t Pipe Ramming\n1\tD&B\tPipe Ramming\n2\tB\t Thrust Boring\n2 \tD&B\tThrust Boring\n3\tB\t Horizontal Directional Drilling (25-630)\n3\tD&B\tHorizontal Directional Drilling (25-630)\n4\tB\t Horizontal Directional Drilling (630-1200)\n4\tD&B\tHorizontal Directional Drilling (630-1200)\n5\tB\t Horizontal Directional Drilling - Rock Drilling (50-500)\n5\tD&B\tHorizontal Directional Drilling - Rock Drilling (50-500)\n6\tB\t Timber Heading\n6\tD&B\tTimber Heading\n7\tB\t Micro Tunnelling\n7\tD&B\tMicro Tunnelling\n8\tB\t Auger Boring\n8\tD&B\tAuger Boring\n9\tB\t Direct Pipe\n9\tD&B\tDirect Pipe\n10\tB\t Pipe Jacking\n10\tD&B\tPipe Jacking\n11\tB\t Segmental Tunnelling\n11\tD&B\tSegmental Tunnelling\n12\tB\t Under Pinning (Free Air)\n12\tD&B\tUnder Pinning (Free Air)\n13\tB\t Under Pinning (Compressed Air)\n13\tD&B\tUnder Pinning (Compressed Air)\n14\tB\t Open Caisson Wet\n14\tD&B\tOpen Caisson Wet\n15\tB\t Open Caisson Dry\n15\tD&B\tOpen Caisson Dry\n16\tB\t Sheet Piled Pits\n16\tD&B\tSheet Piled Pits\n17\tB\t Timber Shafts\n17\tD&B\tTimber Shafts\nInterested parties are to note;\n- the Utilities requirements will be predominantly Design & Build.\n- participants can not bid for a shaft lot in isolation (lots 12-17) they must have drilling/ tunnelling capability.\n- during tendering bidders will be evaluated and subsequently awarded Lots where bidders have demonstrated the required competency.\nThe Utilities intend to call of works via mini competition or direct allocation where direct allocation allows.\nFurther detail is provided in the PQQ and RFP Briefings and tender documents", "status": "active", "items": [ { "id": "1B", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "1B" }, { "id": "2 DB", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "2 DB" } ], "value": { "amountGross": 1440000000, "amount": 1200000000, "currency": "GBP" }, "procurementMethod": "selective", "procurementMethodDetails": "Competitive flexible procedure", "procedure": { "features": "Stage 1 - PQQ - Pre-qualification\nPost PQQ technical evaluations Bidders will be shortlisted down in accordance with the PQQ Briefing Pack. Successful, shortlisted Bidders will be invited to the RFP stage.\nStage 2 - RFP - Request for Proposal\nBidders technical and commercial responses will be evaluated and shortlisted down in accordance with the RFP Briefing Pack. Successful Bidders will be appointed to the Framework.\nIt is the Utilities intention to call off works under the Framework using mini competition and direct allocation, where direct allocation is permitted." }, "mainProcurementCategory": "works", "specialRegime": [ "utilities" ], "aboveThreshold": true, "techniques": { "hasFrameworkAgreement": true, "frameworkAgreement": { "method": "withAndWithoutReopeningCompetition", "type": "closed", "description": "The Utilities intention is to call off works under the Framework via mini competition or direct allocation, where direct allocation is permitted.\nCall off works will be assessed and evaluated using a combination of Technical and Price assessment.\nThe approach to calling off works under the Framework is detailed in the tender documents." } }, "submissionMethodDetails": "Posting ID: 1110008752\nSourcing ID: Doc3039598058\nResponse Deadline: 28/04/2026 14:00\nPreview Link:\nhttps://portal.us.bn.cloud.ariba.com/dashboard/public/appext/comsapsbncdiscoveryui#/RfxEvent/preview/1110008752?anId=ANONYMOUS", "submissionTerms": { "electronicSubmissionPolicy": "allowed", "languages": [ "en" ] }, "expressionOfInterestDeadline": "2026-04-28T23:59:00+01:00", "enquiryPeriod": { "endDate": "2026-04-15T23:59:00+01:00" }, "awardPeriod": { "endDate": "2026-09-30T23:59:59+01:00" }, "lots": [ { "id": "1B", "title": "Build Only - Tunnelling, Drilling & Shaft Works", "description": "The Lots ending \"B\" require the contractor to deliver the works as Principal Contractor only.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1B - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2B - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3B - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4B - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5B - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6B - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7B - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8B - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9B - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10B - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11B - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12B to 17B\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1B to 11B.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12B - UNDER PINNING (FREE AIR)\nLot 13B - UNDER PINNING COMPRESSED AIR)\nLot 14B - OPEN CAISSON WET\nLot 15B - OPEN CAISSON DRY\nLot 16B - SHEET PILED PITS\nLot 17B - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 360000000, "amount": 300000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 74 not 100. 26 being reserved for assessment where the bidder selects to undertake works as Principal Designer & Contractor.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } }, { "id": "2 DB", "title": "Design & Build - Tunnelling, Drilling & Shaft Works", "description": "Design & Build - Tunnelling, Drilling & Shaft Works\nThe Lots ending \"DB\" require the contractor to deliver the works as Principal Designer and Principal Contractor.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1DB - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2DB - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3DB - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4DB - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5DB - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6DB - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7DB - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8DB - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9DB - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10DB - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11DB - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12DB to 17DB\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1DB to 11DB.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12DB - UNDER PINNING (FREE AIR)\nLot 13DB - UNDER PINNING COMPRESSED AIR)\nLot 14DB - OPEN CAISSON WET\nLot 15DB - OPEN CAISSON DRY\nLot 16DB - SHEET PILED PITS\nLot 17DB - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 1080000000, "amount": 900000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 100.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nCalling Works Off Under the Framework\nWorks will be called off under the framework via mini competition. A breakdown of the award criteria being; Technical 60% - Price - 40%.\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } } ], "lotDetails": { "awardCriteriaDetails": "Interested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. Bidders can select one or multiple lots for either Build and or Design & Build works." }, "documents": [ { "id": "conflictOfInterest", "documentType": "conflictOfInterest", "description": "Not published" }, { "id": "037063-2026", "documentType": "tenderNotice", "noticeType": "UK4", "description": "Tender notice on Find a Tender", "url": "https://www.find-tender.service.gov.uk/Notice/037063-2026", "datePublished": "2026-04-23T13:09:39+01:00", "format": "text/html" } ], "amendments": [ { "description": "Under \"Submission\" the date stating as response is due on 22/04/26 has been amended to 28/04/26.\nThis date relates to the date interested parties are to express their interest to be included in the tender stages of PQQ and following that RFP. Thank you", "id": "037063-2026" } ] }, "language": "en", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ] } ], "compiledRelease": { "tag": [ "compiled" ], "id": "ocds-h6vhtk-067c05-2026-04-23T13:09:39+01:00", "date": "2026-04-23T13:09:39+01:00", "ocid": "ocds-h6vhtk-067c05", "initiationType": "tender", "parties": [ { "id": "GB-COH-02366686", "name": "SEVERN TRENT WATER LIMITED", "identifier": { "scheme": "GB-COH", "id": "02366686" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PQQN-5222-QDXR" } ], "address": { "streetAddress": "Severn Trent Centre", "locality": "Coventry", "postalCode": "CV1 2LZ", "country": "GB", "countryName": "United Kingdom", "region": "UKG33" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.severntrent.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" } ] } }, { "id": "GB-COH-03527628", "name": "HAFREN DYFRDWY CYFYNGEDIG", "identifier": { "scheme": "GB-COH", "id": "03527628" }, "additionalIdentifiers": [ { "scheme": "GB-PPON", "id": "PWGQ-2543-XWCR" } ], "address": { "streetAddress": "Packsaddle Wrexham Road", "locality": "Wrexham", "postalCode": "LL14 4EH", "country": "GB", "countryName": "United Kingdom", "region": "UKL23" }, "contactPoint": { "name": "Sophie Ward", "email": "sophie.ward@severntrent.co.uk" }, "roles": [ "buyer" ], "details": { "url": "https://www.hdcymru.com", "classifications": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" }, { "scheme": "UK_CA_DEVOLVED_REGULATIONS", "id": "GB-WLS", "description": "Welsh devolved regulations apply" } ] } } ], "buyer": { "id": "GB-COH-02366686", "name": "SEVERN TRENT WATER LIMITED" }, "tender": { "id": "Doc3039598058", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "Framework for the provision of a Tunnelling, Drilling & Shaft Works for Build Only and Design & Build", "description": "The Utilities requirement is for the provision of a multi lot Tunnelling, Drilling & Shaft Works Framework for the delivery of works as Build Only and Design & Build across the Utilities regions.\nThe Lots are detailed below.\nB = Build Only, D&B = Design & Build\n1\tB\t Pipe Ramming\n1\tD&B\tPipe Ramming\n2\tB\t Thrust Boring\n2 \tD&B\tThrust Boring\n3\tB\t Horizontal Directional Drilling (25-630)\n3\tD&B\tHorizontal Directional Drilling (25-630)\n4\tB\t Horizontal Directional Drilling (630-1200)\n4\tD&B\tHorizontal Directional Drilling (630-1200)\n5\tB\t Horizontal Directional Drilling - Rock Drilling (50-500)\n5\tD&B\tHorizontal Directional Drilling - Rock Drilling (50-500)\n6\tB\t Timber Heading\n6\tD&B\tTimber Heading\n7\tB\t Micro Tunnelling\n7\tD&B\tMicro Tunnelling\n8\tB\t Auger Boring\n8\tD&B\tAuger Boring\n9\tB\t Direct Pipe\n9\tD&B\tDirect Pipe\n10\tB\t Pipe Jacking\n10\tD&B\tPipe Jacking\n11\tB\t Segmental Tunnelling\n11\tD&B\tSegmental Tunnelling\n12\tB\t Under Pinning (Free Air)\n12\tD&B\tUnder Pinning (Free Air)\n13\tB\t Under Pinning (Compressed Air)\n13\tD&B\tUnder Pinning (Compressed Air)\n14\tB\t Open Caisson Wet\n14\tD&B\tOpen Caisson Wet\n15\tB\t Open Caisson Dry\n15\tD&B\tOpen Caisson Dry\n16\tB\t Sheet Piled Pits\n16\tD&B\tSheet Piled Pits\n17\tB\t Timber Shafts\n17\tD&B\tTimber Shafts\nInterested parties are to note;\n- the Utilities requirements will be predominantly Design & Build.\n- participants can not bid for a shaft lot in isolation (lots 12-17) they must have drilling/ tunnelling capability.\n- during tendering bidders will be evaluated and subsequently awarded Lots where bidders have demonstrated the required competency.\nThe Utilities intend to call of works via mini competition or direct allocation where direct allocation allows.\nFurther detail is provided in the PQQ and RFP Briefings and tender documents", "status": "active", "items": [ { "id": "1B", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "1B" }, { "id": "2 DB", "additionalClassifications": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ], "deliveryAddresses": [ { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKC", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKD", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKE", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKF", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKG", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKH", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKI", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKJ", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKK", "country": "GB", "countryName": "United Kingdom" }, { "region": "UKL", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "2 DB" } ], "value": { "amountGross": 1440000000, "amount": 1200000000, "currency": "GBP" }, "procurementMethod": "selective", "procurementMethodDetails": "Competitive flexible procedure", "procedure": { "features": "Stage 1 - PQQ - Pre-qualification\nPost PQQ technical evaluations Bidders will be shortlisted down in accordance with the PQQ Briefing Pack. Successful, shortlisted Bidders will be invited to the RFP stage.\nStage 2 - RFP - Request for Proposal\nBidders technical and commercial responses will be evaluated and shortlisted down in accordance with the RFP Briefing Pack. Successful Bidders will be appointed to the Framework.\nIt is the Utilities intention to call off works under the Framework using mini competition and direct allocation, where direct allocation is permitted." }, "mainProcurementCategory": "works", "specialRegime": [ "utilities" ], "aboveThreshold": true, "techniques": { "hasFrameworkAgreement": true, "frameworkAgreement": { "method": "withAndWithoutReopeningCompetition", "type": "closed", "description": "The Utilities intention is to call off works under the Framework via mini competition or direct allocation, where direct allocation is permitted.\nCall off works will be assessed and evaluated using a combination of Technical and Price assessment.\nThe approach to calling off works under the Framework is detailed in the tender documents." } }, "submissionMethodDetails": "Posting ID: 1110008752\nSourcing ID: Doc3039598058\nResponse Deadline: 28/04/2026 14:00\nPreview Link:\nhttps://portal.us.bn.cloud.ariba.com/dashboard/public/appext/comsapsbncdiscoveryui#/RfxEvent/preview/1110008752?anId=ANONYMOUS", "submissionTerms": { "electronicSubmissionPolicy": "allowed", "languages": [ "en" ] }, "expressionOfInterestDeadline": "2026-04-28T23:59:00+01:00", "enquiryPeriod": { "endDate": "2026-04-15T23:59:00+01:00" }, "awardPeriod": { "endDate": "2026-09-30T23:59:59+01:00" }, "lots": [ { "id": "1B", "title": "Build Only - Tunnelling, Drilling & Shaft Works", "description": "The Lots ending \"B\" require the contractor to deliver the works as Principal Contractor only.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1B - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2B - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3B - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4B - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5B - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6B - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7B - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8B - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9B - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10B - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11B - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12B to 17B\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1B to 11B.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12B - UNDER PINNING (FREE AIR)\nLot 13B - UNDER PINNING COMPRESSED AIR)\nLot 14B - OPEN CAISSON WET\nLot 15B - OPEN CAISSON DRY\nLot 16B - SHEET PILED PITS\nLot 17B - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 360000000, "amount": 300000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 74 not 100. 26 being reserved for assessment where the bidder selects to undertake works as Principal Designer & Contractor.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } }, { "id": "2 DB", "title": "Design & Build - Tunnelling, Drilling & Shaft Works", "description": "Design & Build - Tunnelling, Drilling & Shaft Works\nThe Lots ending \"DB\" require the contractor to deliver the works as Principal Designer and Principal Contractor.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1DB - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2DB - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3DB - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4DB - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5DB - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6DB - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7DB - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8DB - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9DB - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10DB - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11DB - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12DB to 17DB\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1DB to 11DB.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12DB - UNDER PINNING (FREE AIR)\nLot 13DB - UNDER PINNING COMPRESSED AIR)\nLot 14DB - OPEN CAISSON WET\nLot 15DB - OPEN CAISSON DRY\nLot 16DB - SHEET PILED PITS\nLot 17DB - TIMBER SHAFTS", "status": "active", "value": { "amountGross": 1080000000, "amount": 900000000, "currency": "GBP" }, "awardCriteria": { "criteria": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] }, "secondStage": { "minimumCandidates": 5, "maximumCandidates": 7 }, "selectionCriteria": { "criteria": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 100.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nCalling Works Off Under the Framework\nWorks will be called off under the framework via mini competition. A breakdown of the award criteria being; Technical 60% - Price - 40%.\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, "suitability": { "sme": true }, "contractPeriod": { "startDate": "2026-09-30T00:00:00+01:00", "endDate": "2038-09-29T23:59:59Z", "maxExtentDate": "2041-03-30T23:59:59Z" }, "hasRenewal": true, "renewal": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" }, "hasOptions": true, "options": { "description": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } } ], "lotDetails": { "awardCriteriaDetails": "Interested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. 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Thank you" } ] }, "language": "en", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", 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[ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Severn Trent Centre" } ], "locality": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Coventry" } ], "postalCode": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "CV1 2LZ" } ], "country": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GB" } ], "countryName": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "United Kingdom" } ], "region": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "UKG33" } ] }, "contactPoint": { "name": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Sophie Ward" } ], "email": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "sophie.ward@severntrent.co.uk" } ] }, "roles": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ "buyer" ] } ], "details": { "url": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "https://www.severntrent.com" } ], "classifications": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" } ] } ] } }, { "id": "GB-COH-03527628", "name": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "HAFREN DYFRDWY CYFYNGEDIG" } ], "identifier": { "scheme": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GB-COH" } ], "id": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "03527628" } ] }, "additionalIdentifiers": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "scheme": "GB-PPON", "id": "PWGQ-2543-XWCR" } ] } ], "address": { "streetAddress": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Packsaddle Wrexham Road" } ], "locality": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Wrexham" } ], "postalCode": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "LL14 4EH" } ], "country": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GB" } ], "countryName": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "United Kingdom" } ], "region": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "UKL23" } ] }, "contactPoint": { "name": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Sophie Ward" } ], "email": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "sophie.ward@severntrent.co.uk" } ] }, "roles": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ "buyer" ] } ], "details": { "url": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "https://www.hdcymru.com" } ], "classifications": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "scheme": "UK_CA_TYPE", "id": "privateUtility", "description": "Private utility" }, { "scheme": "UK_CA_DEVOLVED_REGULATIONS", "id": "GB-WLS", "description": "Welsh devolved regulations apply" } ] } ] } } ], "buyer": { "id": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GB-COH-02366686" } ], "name": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "SEVERN TRENT WATER LIMITED" } ] }, "tender": { "id": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Doc3039598058" } ], "legalBasis": { "id": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2023/54" } ], "scheme": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "UKPGA" } ], "uri": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "https://www.legislation.gov.uk/ukpga/2023/54/contents" } ] }, "title": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Framework for the provision of a Tunnelling, Drilling & Shaft Works for Build Only and Design & Build" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "The Utilities requirement is for the provision of a multi lot Tunnelling, Drilling & Shaft Works Framework for the delivery of works as Build Only and Design & Build across the Utilities regions.\nThe Lots are detailed below. \nB = Build Only, D&B = Design & Build\n1\tB\t Pipe Ramming\n1\tD&B\tPipe Ramming\n2\tB\t Thrust Boring\n2 \tD&B\tThrust Boring\n3\tB\t Horizontal Directional Drilling (25-630)\t\n3\tD&B\tHorizontal Directional Drilling (25-630)\n4\tB\t Horizontal Directional Drilling (630-1200)\n4\tD&B\tHorizontal Directional Drilling (630-1200)\n5\tB\t Horizontal Directional Drilling - Rock Drilling (50-500)\n5\tD&B\tHorizontal Directional Drilling - Rock Drilling (50-500)\n6\tB\t Timber Heading\n6\tD&B\tTimber Heading\n7\tB\t Micro Tunnelling\t\n7\tD&B\tMicro Tunnelling\n8\tB\t Auger Boring\n8\tD&B\tAuger Boring\n9\tB\t Direct Pipe\n9\tD&B\tDirect Pipe\n10\tB\t Pipe Jacking\n10\tD&B\tPipe Jacking \n11\tB\t Segmental Tunnelling\n11\tD&B\tSegmental Tunnelling\n12\tB\t Under Pinning (Free Air)\t\n12\tD&B\tUnder Pinning (Free Air)\n13\tB\t Under Pinning (Compressed Air)\n13\tD&B\tUnder Pinning (Compressed Air)\n14\tB\t Open Caisson Wet\t\n14\tD&B\tOpen Caisson Wet\n15\tB\t Open Caisson Dry\t\n15\tD&B\tOpen Caisson Dry\n16\tB\t Sheet Piled Pits\t\n16\tD&B\tSheet Piled Pits\n17\tB\t Timber Shafts\t\n17\tD&B\tTimber Shafts\nInterested parties are to note;\n- the Utilities requirements will be predominantly Design & Build. \n- participants can not bid for a shaft lot in isolation (lots 12-17) they must have drilling/ tunnelling capability.\n- during tendering bidders will be evaluated and subsequently awarded Lots where bidders have demonstrated the required competency.\nThe Utilities intend to call of works via mini competition or direct allocation where direct allocation allows.\nFurther detail is provided in the PQQ and RFP Briefings and tender documents" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "The Utilities requirement is for the provision of a multi lot Tunnelling, Drilling & Shaft Works Framework for the delivery of works as Build Only and Design & Build across the Utilities regions.\nThe Lots are detailed below.\nB = Build Only, D&B = Design & Build\n1\tB\t Pipe Ramming\n1\tD&B\tPipe Ramming\n2\tB\t Thrust Boring\n2 \tD&B\tThrust Boring\n3\tB\t Horizontal Directional Drilling (25-630)\n3\tD&B\tHorizontal Directional Drilling (25-630)\n4\tB\t Horizontal Directional Drilling (630-1200)\n4\tD&B\tHorizontal Directional Drilling (630-1200)\n5\tB\t Horizontal Directional Drilling - Rock Drilling (50-500)\n5\tD&B\tHorizontal Directional Drilling - Rock Drilling (50-500)\n6\tB\t Timber Heading\n6\tD&B\tTimber Heading\n7\tB\t Micro Tunnelling\n7\tD&B\tMicro Tunnelling\n8\tB\t Auger Boring\n8\tD&B\tAuger Boring\n9\tB\t Direct Pipe\n9\tD&B\tDirect Pipe\n10\tB\t Pipe Jacking\n10\tD&B\tPipe Jacking\n11\tB\t Segmental Tunnelling\n11\tD&B\tSegmental Tunnelling\n12\tB\t Under Pinning (Free Air)\n12\tD&B\tUnder Pinning (Free Air)\n13\tB\t Under Pinning (Compressed Air)\n13\tD&B\tUnder Pinning (Compressed Air)\n14\tB\t Open Caisson Wet\n14\tD&B\tOpen Caisson Wet\n15\tB\t Open Caisson Dry\n15\tD&B\tOpen Caisson Dry\n16\tB\t Sheet Piled Pits\n16\tD&B\tSheet Piled Pits\n17\tB\t Timber Shafts\n17\tD&B\tTimber Shafts\nInterested parties are to note;\n- the Utilities requirements will be predominantly Design & Build.\n- participants can not bid for a shaft lot in isolation (lots 12-17) they must have drilling/ tunnelling capability.\n- during tendering bidders will be evaluated and subsequently awarded Lots where bidders have demonstrated the required competency.\nThe Utilities intend to call of works via mini competition or direct allocation where direct allocation allows.\nFurther detail is provided in the PQQ and RFP Briefings and tender documents" } ], "status": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "active" } ], "items": [ { "id": "1B", "additionalClassifications": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "scheme": "CPV", "id": "45000000", "description": "Construction work" }, { "scheme": "CPV", "id": "65000000", "description": "Public utilities" }, { "scheme": "CPV", "id": "76000000", "description": "Services related to the oil and gas industry" } ] } ], 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"releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "UKD" } ], "country": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "GB" } ], "countryName": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "United Kingdom" } ] }, { "region": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "UKE" } ], "country": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "GB" } ], "countryName": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "United Kingdom" } ] }, { "region": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "UKF" } ], "country": [ { 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Pre-qualification \nPost PQQ technical evaluations Bidders will be shortlisted down in accordance with the PQQ Briefing Pack. Successful, shortlisted Bidders will be invited to the RFP stage.\nStage 2 - RFP - Request for Proposal \nBidders technical and commercial responses will be evaluated and shortlisted down in accordance with the RFP Briefing Pack. Successful Bidders will be appointed to the Framework.\nIt is the Utilities intention to call off works under the Framework using mini competition and direct allocation, where direct allocation is permitted." }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "Stage 1 - PQQ - Pre-qualification\nPost PQQ technical evaluations Bidders will be shortlisted down in accordance with the PQQ Briefing Pack. Successful, shortlisted Bidders will be invited to the RFP stage.\nStage 2 - RFP - Request for Proposal\nBidders technical and commercial responses will be evaluated and shortlisted down in accordance with the RFP Briefing Pack. Successful Bidders will be appointed to the Framework.\nIt is the Utilities intention to call off works under the Framework using mini competition and direct allocation, where direct allocation is permitted." } ] }, "mainProcurementCategory": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "works" } ], "specialRegime": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ "utilities" ] } ], "aboveThreshold": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "techniques": { "hasFrameworkAgreement": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "frameworkAgreement": { "method": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "withAndWithoutReopeningCompetition" } ], "type": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "closed" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "The Utilities intention is to call off works under the Framework via mini competition or direct allocation, where direct allocation is permitted. \nCall off works will be assessed and evaluated using a combination of Technical and Price assessment. \nThe approach to calling off works under the Framework is detailed in the tender documents." }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "The Utilities intention is to call off works under the Framework via mini competition or direct allocation, where direct allocation is permitted.\nCall off works will be assessed and evaluated using a combination of Technical and Price assessment.\nThe approach to calling off works under the Framework is detailed in the tender documents." } ] } }, "submissionMethodDetails": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Posting ID: 1110008752\nSourcing ID: Doc3039598058\nResponse Deadline: 22/04/2026 14:00\nPreview Link:\nhttps://portal.us.bn.cloud.ariba.com/dashboard/public/appext/comsapsbncdiscoveryui#/RfxEvent/preview/1110008752?anId=ANONYMOUS" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "Posting ID: 1110008752\nSourcing ID: Doc3039598058\nResponse Deadline: 28/04/2026 14:00\nPreview Link:\nhttps://portal.us.bn.cloud.ariba.com/dashboard/public/appext/comsapsbncdiscoveryui#/RfxEvent/preview/1110008752?anId=ANONYMOUS" } ], "submissionTerms": { "electronicSubmissionPolicy": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "allowed" } ], "languages": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ "en" ] } ] }, "expressionOfInterestDeadline": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-04-28T23:59:59+01:00" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "2026-04-28T23:59:00+01:00" } ], "enquiryPeriod": { "endDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-04-15T23:59:59+01:00" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "2026-04-15T23:59:00+01:00" } ] }, "awardPeriod": { "endDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-09-30T23:59:59+01:00" } ] }, "lots": [ { "id": "1B", "title": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Build Only - Tunnelling, Drilling & Shaft Works" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "The Lots ending \"B\" require the contractor to deliver the works as Principal Contractor only. \nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. \nTUNNELLING & DRILLING WORKS\nLot 1B - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2B - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption. \nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3B - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4B - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5B - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6B - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure. \nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7B - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8B - AUGER BORING\t\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry. \nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9B - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10B - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft. \nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11B - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12B to 17B \nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works. \nSee Tunnelling & Drilling Lots 1B to 11B.\n - All Shafts are concrete\n - Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n - Shaft Depth Range (ms) = 5 to 25.\nLot 12B - UNDER PINNING (FREE AIR)\nLot 13B - UNDER PINNING COMPRESSED AIR)\nLot 14B - OPEN CAISSON WET\nLot 15B - OPEN CAISSON DRY\nLot 16B - SHEET PILED PITS\nLot 17B - TIMBER SHAFTS" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "The Lots ending \"B\" require the contractor to deliver the works as Principal Contractor only.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1B - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2B - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3B - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4B - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5B - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6B - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7B - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8B - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9B - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10B - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11B - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12B to 17B\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1B to 11B.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12B - UNDER PINNING (FREE AIR)\nLot 13B - UNDER PINNING COMPRESSED AIR)\nLot 14B - OPEN CAISSON WET\nLot 15B - OPEN CAISSON DRY\nLot 16B - SHEET PILED PITS\nLot 17B - TIMBER SHAFTS" } ], "status": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "active" } ], "value": { "amountGross": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 360000000 } ], "amount": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 300000000 } ], "currency": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "criteria": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] } ] }, "secondStage": { "minimumCandidates": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 5 } ], "maximumCandidates": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 7 } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "description": "Post Advert the tender process will consist of; \nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 74 not 100. 26 being reserved for assessment where the bidder selects to undertake works as Principal Designer & Contractor.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s). \nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price \nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 74 not 100. 26 being reserved for assessment where the bidder selects to undertake works as Principal Designer & Contractor.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] } ] }, "suitability": { "sme": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-09-30T00:00:00+01:00" } ], "endDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2038-09-29T23:59:59Z" } ], "maxExtentDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2041-03-30T23:59:59Z" } ] }, "hasRenewal": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } ] }, "hasOptions": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "options": { "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } ] } }, { "id": "2 DB", "title": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Design & Build - Tunnelling, Drilling & Shaft Works" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Design & Build - Tunnelling, Drilling & Shaft Works\nThe Lots ending \"DB\" require the contractor to deliver the works as Principal Designer and Principal Contractor. \nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. \nTUNNELLING & DRILLING WORKS\nLot 1DB - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2DB - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption. \nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3DB - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4DB - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5DB - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6DB - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure. \nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7DB - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8DB - AUGER BORING\t\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry. \nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9DB - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10DB - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft. \nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11DB - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12DB to 17DB \nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works. \nSee Tunnelling & Drilling Lots 1DB to 11DB.\n - All Shafts are concrete\n - Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n - Shaft Depth Range (ms) = 5 to 25.\nLot 12DB - UNDER PINNING (FREE AIR)\nLot 13DB - UNDER PINNING COMPRESSED AIR)\nLot 14DB - OPEN CAISSON WET\nLot 15DB - OPEN CAISSON DRY\nLot 16DB - SHEET PILED PITS\nLot 17DB - TIMBER SHAFTS" }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "Design & Build - Tunnelling, Drilling & Shaft Works\nThe Lots ending \"DB\" require the contractor to deliver the works as Principal Designer and Principal Contractor.\nInterested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity.\nTUNNELLING & DRILLING WORKS\nLot 1DB - PIPE RAMMING\nPipe ramming is a trenchless method for horizontally installing steel pipes or casings under obstacles like roads, railways, and rivers by using a pneumatic hammer to drive an open-ended pipe into the ground, displacing soil outwards. This technique is typically used to cross under embankments, road, rail and river links.\nLot 2DB - THRUST BORING\nThrust boring is a trenchless method for installing pipes and conduits (like for utilities) underground without open digging, using a rotating auger inside a steel casing to excavate soil while hydraulic jacks push the casing forward, ideal for going under roads, railways, or buildings. It's a cost-effective, dependable technique for short to medium distances, creating a bore for the final pipe or cable installation, and minimizing surface disruption.\nPipe Diameter mm (host pipe internal diameter) = 25 -1000\nLot 3DB - HORIZONTAL DIRECTIONAL DRILLING (25-630)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 25-630\nLot 4DB - HORIZONTAL DIRECTIONAL DRILLING (630-1200)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 630-1200\nLot 5DB - HORIZONTAL DIRECTIONAL DRILLING ROCK DRILLING (50-500)\nHorizontal Directional Drilling (HDD) is a trenchless method for installing underground pipelines, cables, or conduits by drilling a precise, curved path from a surface rig, avoiding open trenches to minimize disruption to roads, rivers, and sensitive environments. The process involves drilling a small pilot hole, enlarging it with a reamer, and then pulling the product pipe or cable through the enlarged bore.\nPipe Diameter mm (host pipe internal diameter) = 50-500\nLot 6DB - TIMBER HEADING\nA timber heading is a traditional, hand-dug tunnelling method using timber supports (sets, headboards, sideboards) to create a safe, short tunnel for installing pipes or cables, especially under busy roads or structures, avoiding major disruption by building around existing underground services. Headings are generally temporary structures where it is not required or economic to provide a more substantial structure.\nPipe Diameter mm (host pipe internal diameter) = 1000-1500\nLot 7DB - MICRO TUNNELLING\nMicro Tunnelling is a trenchless construction method for installing non man-entry size pipelines that uses a remotely operated, small-diameter tunnel boring machine (MTBM) to excavate underground while simultaneously jacking pipes into place, allowing for precise installation of utility tunnels (like sewers, cables, and conduits) without disturbing the surface above. It's ideal for crossings under railways, roads, and rivers, as it minimizes disruption.\nPipe Diameter mm (host pipe internal diameter) = 250-1200\nLot 8DB - AUGER BORING\nAuger Boring is a trenchless construction method that installs pipes or conduits underground by using a rotating helical screw (auger) inside a steel casing to excavate soil, pushing the casing forward and pulling spoil back to a launch pit. It's used to create stable, horizontal tunnels under obstacles like roads, railways, or rivers, minimizing surface disruption and traffic interruption, often called \"dry boring\" because it doesn't use liquid slurry.\nPipe Diameter mm (host pipe internal diameter) = 50-1500\nLot 9DB - DIRECT PIPE\nDirect Pipe is a trenchless technology that combines micro tunnelling and horizontal directional drilling (HDD) to install pipelines in a single step. It allows for the direct installation of pre-fabricated pipelines without the need for separate pilot hole drilling or pipe stringing, as is common in HDD.\nPipe Diameter mm (host pipe internal diameter) = 90-710\nLot 10DB - PIPE JACKING\nPipe Jacking is a technique for installing man-entry size pipelines using a steerable tunnelling shield (similar to micro tunnelling, which is for non man-entry sized pipes). Typically the pipes are jacked from a drive shaft or pit behind a suitable shield. The pipes are installed using hydraulically powered rams which push off a jacking wall constructed within the drive shaft.\nPipe Diameter mm (host pipe internal diameter) = 1200-3000\nLot 11DB - SEGMENTAL TUNNELLING\nSegmental Tunnelling is the technique of forming an underground excavation using individual segments or rings by hand or mechanical means and providing a suitable supporting structure such that the excavation forms a permanent, stable and secure opening for the tunnel.\nPipe Diameter mm (host pipe internal diameter) = 1500-14000\nSHAFT WORKS\nFor Lots 12DB to 17DB\nInterested parties are to note Bidders cannot bid for a Shaft Lot in isolation, Bidders must have capability to undertake associated tunnelling and or drilling works.\nSee Tunnelling & Drilling Lots 1DB to 11DB.\n- All Shafts are concrete\n- Shaft Diameter Range (nominal internal diameter ms) = 2.44 to 25.\n- Shaft Depth Range (ms) = 5 to 25.\nLot 12DB - UNDER PINNING (FREE AIR)\nLot 13DB - UNDER PINNING COMPRESSED AIR)\nLot 14DB - OPEN CAISSON WET\nLot 15DB - OPEN CAISSON DRY\nLot 16DB - SHEET PILED PITS\nLot 17DB - TIMBER SHAFTS" } ], "status": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "active" } ], "value": { "amountGross": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 1080000000 } ], "amount": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 900000000 } ], "currency": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "GBP" } ] }, "awardCriteria": { "criteria": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "type": "quality", "name": "Quality", "numbers": [ { "number": 100, "weight": "percentageExact" } ] } ] } ] }, "secondStage": { "minimumCandidates": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 5 } ], "maximumCandidates": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": 7 } ] }, "selectionCriteria": { "criteria": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ { "description": "Post Advert the tender process will consist of; \nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 100. \nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s). \nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price \nCalling Works Off Under the Framework\nWorks will be called off under the framework via mini competition. A breakdown of the award criteria being; Technical 60% - Price - 40%.\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] }, { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": [ { "description": "Post Advert the tender process will consist of;\nA PQQ (Prequalification Questionnaire) - Technical Assessment only.\nThe PQQ stage is designed to help the Utilities identify and shortlist bidders who meet the minimum capability and compliance requirements for the scope outlined.\nBidder's responses will be scored out of an aggregate score of 100.\nShortlisted bidders will be invited to submit an RFP (Request for Proposal).\nAn RFP (Request for Proposal) - Technical/Commercial/Price Assessment.\nShortlisted bidders from the PQQ stage will be invited to submit detailed proposals on how they will deliver the requirement(s).\nThese proposals will be evaluated and scored to determine the bidder(s) offering the best overall value for the contract and subsequent appointment to the framework.\nBidders responses will be scored out of an aggregate score of 100. Split by;\n70% Technical\n30% Price\nCalling Works Off Under the Framework\nWorks will be called off under the framework via mini competition. A breakdown of the award criteria being; Technical 60% - Price - 40%.\nThe approach to evaluation and shortlisting is described in the Tender Briefing Packs.", "forReduction": true } ] } ] }, "suitability": { "sme": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ] }, "contractPeriod": { "startDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-09-30T00:00:00+01:00" } ], "endDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2038-09-29T23:59:59Z" } ], "maxExtentDate": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2041-03-30T23:59:59Z" } ] }, "hasRenewal": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "renewal": { "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } ] }, "hasOptions": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": true } ], "options": { "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Initial Term 12 years with option to extend for a further 3 years in 1 year increments. (12+1+1+1)" } ] } } ], "lotDetails": { "awardCriteriaDetails": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Interested parties will have the opportunity to select the specific Lots they want to undertake when invited to tender following expression of interest in this opportunity. Bidders can select one or multiple lots for either Build and or Design & Build works." } ] }, "documents": [ { "id": "conflictOfInterest", "documentType": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "conflictOfInterest" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Not published" } ] }, { "id": "031005-2026", "documentType": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "tenderNotice" } ], "noticeType": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "UK4" } ], "description": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "Tender notice on Find a Tender" } ], "url": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "https://www.find-tender.service.gov.uk/Notice/031005-2026" } ], "datePublished": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "2026-04-02T14:57:05+01:00" } ], "format": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "text/html" } ] }, { "id": "037063-2026", "documentType": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "tenderNotice" } ], "noticeType": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "UK4" } ], "description": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "Tender notice on Find a Tender" } ], "url": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "https://www.find-tender.service.gov.uk/Notice/037063-2026" } ], "datePublished": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "2026-04-23T13:09:39+01:00" } ], "format": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "text/html" } ] } ], "amendments": [ { "id": "037063-2026", "description": [ { "releaseID": "037063-2026", "releaseDate": "2026-04-23T13:09:39+01:00", "releaseTag": [ "tenderUpdate" ], "value": "Under \"Submission\" the date stating as response is due on 22/04/26 has been amended to 28/04/26.\nThis date relates to the date interested parties are to express their interest to be included in the tender stages of PQQ and following that RFP. Thank you" } ] } ] }, "language": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": "en" } ], "extensions": [ { "releaseID": "031005-2026", "releaseDate": "2026-04-02T14:57:05+01:00", "releaseTag": [ "tender" ], "value": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ] } ] } } ] }