--- title: "EKFB JV - Precast Concrete UTX (Under Track Crossing) chambers system and adjoining duct works" ocid: "ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536.json" source: "Contracts Finder" current_stage: "Tender" buyer: "EIFFAGE KIER JV HS2 MAIN CIVILS WORKS, LOTS C2 & C3" published: "2026-06-23" --- # EKFB JV - Precast Concrete UTX (Under Track Crossing) chambers system and adjoining duct works Buyer: EIFFAGE KIER JV HS2 MAIN CIVILS WORKS, LOTS C2 & C3 Current stage: Tender OCID: ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-10bcec0d-425d-4f34-8f00-c2486ed03536.json) ## Summary The Eiffage Kier Joint Venture, as part of HS2 Main Civils Works for Lots C2 & C3, has initiated a tender process to appoint a subcontractor for the installation of Precast Concrete UTX (Under Track Crossing) chamber systems and adjoining ducts within the NC2A section, which ranges from North Chilterns to Aylesbury. This project falls under the 'works' category, with specific classifications in concrete products, excavating work, and partially underground railway works. The procurement is valued at £500,000, and the tender stage is currently active, with submissions closing on 30th June 2026. The project is set in the South East region of the United Kingdom, with the contract period expected to run from 30th September 2026 to 1st March 2027. This tender offers a significant opportunity for specialised subcontractors in concrete work and civil engineering to secure a position within the expansive HS2 project framework. Businesses proficient in the installation of complex precast structures and duct systems, and those capable of managing extensive excavation and construction activities in compliance with stringent standards, would find this project well-suited to their expertise. Despite its size, the opportunity is not specifically geared towards SMEs or voluntary, community and social enterprises, which suggests that the scope and demand align more closely with established contractors possessing considerable resources and experience in large-scale infrastructure projects. ## Notice NC2A is the North Chilterns to Aylesbury section of C23, a part of the HS2 project managed by the EKFB Joint Venture. We are seeking a specialist subcontractor to undertake the following works within the NC2A section: The Subcontract Works include the provision of all management, labour, materials, plant and equipment, supervision, and other resources necessary and ancillary to safely and correctly complete the installation and handover of Precast Concrete UTX (Under Track Crossing) chamber system and adjoining ducts , as described in the specifications, drawings, HS2 standards Requirements and local authority specifications. The UTX system comprises segmented precast concrete chambers with precast concrete covers, seated on a precast concrete base. The precast chambers and covers shall be supplied and delivered to site by the Contractor for installation by the Subcontractor. Contractor will Undertake excavation works to the UTX duct formation level, subcontractor will complete excavation for installation of UTX Chambers and ducts. The Subcontract works include, but are not limited to: Dewatering of excavations as required. Provision of edge protection to ensure that excavation is safe for works Protection of all existing assets Setting out the UTX in accordance with the design and specifications, using primary control points provided by the Contractor. Transfer UTX Chambers from Laydown Area to point of installation Installation of the UTX system comprising segmented precast concrete chambers using methodology provided in detailed design Install all units onto the precast concrete base slabs provided by the Contractor. Install the full precast assembly, including the Precast concrete chamber segments and Precast concrete covers Install all components in accordance with the approved drawings, specified line and level, and manufacturer's instructions. Supply and install all associated ducting, ensuring compliance with project specifications and drawings. As part of installation, CBGM / Cast in situ concrete - minimum FND4 concrete around UTX and ducts to be done by Subcontractor Testing and handover ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/183433b7-20fc-4d4b-827c-d1e515bf47bf | | Notice type | Tender Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 23 Jun 2026 | | Submission deadline | 30 Jun 2026 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 29 Sep 2026 - 1 Mar 2027 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £500,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Not specified | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | EIFFAGE KIER JV HS2 MAIN CIVILS WORKS, LOTS C2 & C3 | | Locality | BIRMINGHAM | | Post town | Birmingham | | Postcode | B3 2DT | | Country | England | | ITL 1 | TLG West Midlands (England) | | ITL 2 | TLG3 West Midlands | | ITL 3 | TLG31 Birmingham | | Local authority | Birmingham | | Electoral ward | Ladywood | | Westminster constituency | Birmingham Ladywood | | Delivery location | TLJ South East (England) | ## CPV Codes ### Divisions - 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus) - 45 - Construction work ### Codes - 44114200 - Concrete products - 45112400 - Excavating work - 45234123 - Partially underground railway works ## Release History - 23 Jun 2026 at 13:10 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/183433b7-20fc-4d4b-827c-d1e515bf47bf ## Documents - https://www.contractsfinder.service.gov.uk/Notice/183433b7-20fc-4d4b-827c-d1e515bf47bf 23rd June 2026 - Opportunity notice on Contracts Finder - https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=114691014 Please follow this link to view the notice. ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. 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