# EKFB JV - Ancillary Culverts Works package NC2A

> Tender notice from UK public-sector procurement sources.

## Key facts

- Public buyer: [Eiffage Kier JV HS2 Main Civils Works, Lots C2 & C3](/buyers/eiffage-kier-jv-hs2-main-civils-works-lots-c2-c3/contract-awards)
- Tender value: £1,000,000
- Published: 18 May 2026
- Planned start: 9 August 2026
- Planned end: 1 November 2026
- Stage: open_tender
- Procurement category: works
- Notice ID: 72b7af58-7914-42be-acc9-4969180ee737-897834
- OCID: ocds-b5fd17-f2190199-fc48-41ae-b5bc-1cbdddffefaa

## Description

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 complete the construction and handover of Ancillary Culverts, as described in the specifications, drawings, HS2 standards Requirements and local authority specifications\. - The subcontractor will be responsible for all permanent and temporary work relating to the construction of ancillary culverts and associated works unless otherwise stated in the Works Information including: - Temporary access road and platform construction - Temporary watercourse diversion including over pumping and tie into watercourse\. - Temporary excavation for culvert units and headwalls\. - Permanent Excavate and replace and removal of soft spot\. - Blinding concrete for culvert units, headwalls and retaining walls - Installation of culvert units, including waterproofing at joints and joints details\. - FRC works with Headwalls and retaining walls, including waterproofing and joints details\. - Temporary edge protection - Supply and Installation of handrails - Completing structural fill surrounding culvert units, headwalls and retaining walls - Installation of riverbed materials and riprap materials - Completing the tie in of watercourse to culvert including reinstatement of temporary diversion\. - Testing Please express your interest within this package\.

## Related contract awards

- [EKFB JV - G2S - Green Tunnel Laser Screeding](/contracts/ocds-b5fd17-9450ea23-d3b6-4d5d-aba2-74abc6ea2c4e): Eiffage Kier JV HS2 Main Civils Works, Lots C2 & C3
- [EKFB JV - Temporary Works Design - For Gas Main Protection Slabs \(must be Lloyds registered approved\)](/contracts/ocds-b5fd17-ba40e027-9771-4187-bd6f-452c7c27b96b): Eiffage Kier JV HS2 Main Civils Works, Lots C2 & C3
- [EKFB - Greatworth to Southam- Highway Vehicle Restraint System](/contracts/ocds-b5fd17-d2a7c0bf-278f-40ae-b836-eaf89721f299): Eiffage Kier JV HS2 Main Civils Works, Lots C2 & C3

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/72b7af58-7914-42be-acc9-4969180ee737-897834)