Award

Axle Counter Power Supply Unit Design

TRANSPORT FOR LONDON

This public procurement record has 2 releases in its history.

AwardUpdate

30 Apr 2026 at 10:10

Award Notice
Award

29 Apr 2026 at 14:18

Award Notice
Summary of the contracting process

The public procurement process led by Transport for London involves the design and installation of axle counter power supply units, an essential component for maintaining the reliability of signalling on the Windrush Line. Categorised under engineering design services, this tender centres on the renewal and replacement of 16 units at seven locations across London. Initially concluded as a selective procurement method, a framework agreement call-off was employed, culminating in an award published on 29 April 2026. The contract period is slated from 4 May to 3 November 2026, presenting opportunities to engage with large suppliers like Ramboll UK Limited, who have secured the contract valued at £133,103.95.

This tender offers substantial growth opportunities primarily for engineering firms specialising in signalling systems, particularly those operating in London. With Transport for London as the contracting authority, businesses aligned with niche industry requirements can leverage the framework agreement to secure future projects. SMEs will find this contract accessible given the suitability designation, helping them build a footprint within the London transport infrastructure sector. A successful completion enhances a company's credentials, supporting wider business development and expansion within public sector contracts.

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Notice Information

Notice Title

Axle Counter Power Supply Unit Design

Notice Description

The scope involves the renewal and replacement of existing 48V DC signalling Power Supply Units (PSUs), with modern Network Rail-approved equivalents. A total of 16 PSUs are to be replaced across seven locations. These units provide essential power to axle counter evaluators controlling Up and Down lines. The works are intended to ensure the continued reliability, safety, and resilience of the signalling system in line with the Windrush Line core renewal strategy.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-001cf81b-5232-4d78-a0c7-4b8ab05f7658
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/3badddfa-d15f-4106-9e10-72dc2d150414
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Call-off from a framework agreement
Tender Suitability
SME
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71320000 - Engineering design services

Notice Value(s)

Tender Value
£146,414 £100K-£500K
Lots Value
Not specified
Awards Value
£133,103 £100K-£500K
Contracts Value
Not specified

Notice Dates

Publication Date
30 Apr 20262 weeks ago
Submission Deadline
22 Oct 2025Expired
Future Notice Date
Not specified
Award Date
31 Mar 20261 months ago
Contract Period
3 May 2026 - 3 Nov 2026 6-12 months
Recurrence
Not specified

Notice Status

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

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
TRANSPORT FOR LONDON
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
E20 1JN
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
Stratford Olympic Park
Westminster Constituency
Stratford and Bow

Supplier Information

Number of Suppliers
1
Supplier Name

RAMBOLL

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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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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