Tender

Attenuation Precast Tanks

KILNBRIDGE CONSTRUCTION SERVICES LTD

This public procurement record has 1 release in its history.

Tender

04 Sep 2025 at 15:20

Tender Notice
Summary of the contracting process

Kilnbridge Construction Services Ltd is inviting bids for a tender entitled "Attenuation Precast Tanks" as part of the HS2 Old Oak Common Station Works Package. The procurement process is currently at the tender stage, with an end date for submissions set for 11 September 2025. The successful subcontractor will undertake the design, manufacture, and supply of precast concrete tanks for the site in London. This contract, valued between £500,000 and £1,000,000, is categorised under installation services of tanks (CPV code: 51810000) and will progress from RIBA stage 4 to RIBA stage 5. Construction is anticipated to start on 27 March 2026, concluding by 26 March 2027.

This tender offers substantial opportunities for businesses specialising in civil engineering and construction-related services, particularly those with expertise in designing and manufacturing precast concrete structures. Companies with capabilities in technical assurance, BIM modelling, and sustainable construction practices are well-suited to participate. Given the prominent nature of the HS2 infrastructure project and its impact on urban development in London, successful involvement in this contract can significantly enhance the portfolio and market presence of participating businesses.

How relevant is this notice?

Notice Information

Notice Title

Attenuation Precast Tanks

Notice Description

Kilnbridge have secured the HS2 Old Oak Common Station Works Package for the construction of Urban Realm elements and the Head Houses and Ancillary Buildings. Part of these works require the installation of two, precast concrete attenuation tanks to the eastern part of the site. These tanks are a Subcontractor's design portion. Eastern HS2 Attenuation Tank * Area 1115m2 * Volume 1165m3 * Tank Depth 1.1m * Void Ratio 0.95 Eastern HS2 Dirty Water Tank * Area 1115m2 * Volume 350m3 * Tank Depth 1.6m * Void Ratio 0.95 Kilnbridge are seeking the services of suitably qualified and experienced Sub-subcontractor who shall be responsible for developing the Contractors Detailed Design to Design for Construction & Manufacturing. Taking from RIBA 4 to RIBA 5 stage. The Sub-subcontractor shall be responsible for providing their own design and design for construction drawings, compliant with the design intent of the Contractors Designer. The Sub-subcontractor will be responsible for ensuring the submission and acceptance of their design from the Contractor and Contractor's design consultant through the Subcontractor. Works include the design , manufacture and supply of precast base, walls and roof units to site. Scope to include for, but not limited to, technical assurance, BIM modelling, asset scheduling and labelling, drawings for approval, as built drawings, indicative construction sequence methodology, submission of design packs, material approvals, and sustainability and environmental management. Sub-subcontractor to interface their design with incoming services as detailed on the construction drawings. Construction is currently forecasted to be carried Q2 2026

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-8a01bc23-ff2c-4fa2-9ab8-3e551d2028bc
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/9c4a1667-7de9-41c2-8bab-b93f9f148938
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

51 - Installation services (except software)

CPV Codes

51810000 - Installation services of tanks

Notice Value(s)

Tender Value
£1,000,000 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
4 Sep 20253 months ago
Submission Deadline
11 Sep 2025Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
27 Mar 2026 - 26 Mar 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Not Specified
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
KILNBRIDGE CONSTRUCTION SERVICES LTD
Contact Name
Clare Llewellyn
Contact Email
supplychain@kilnbridge.com
Contact Phone
07933529243

Buyer Location

Locality
LONDON
Postcode
E16 4TL
Post Town
East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI41 Hackney and Newham
Delivery Location
TLI London
Local Authority
Newham
Electoral Ward
Canning Town North
Westminster Constituency
West Ham and Beckton

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

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