RFP QuestBeta
Awarded · ResultStage · contract

TRANSPORT FOR LONDON

Axle Counter Power Supply Unit Design

Engineering & ArchitectureCPV 71000000 71300000
Value£133k
Awarded22 Oct 2025
Published29 Apr 2026
RegionLondon
Outcome — awarded

This is a contract result notice, not an open opportunity. Details from the official award data.

Contract value in context
£133ktotal contract value
median £95k
this tender£0£2.0m

This sits in the upper-middle of the Engineering & Architecture band — a substantial contract for the sector. Based on 33,646 valued Engineering & Architecture tenders in our corpus.

The brief

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.

Requirements

What the notice asks for

01

The scope involves the renewal and replacement

The scope involves the renewal and replacement of existing 48V DC signalling Power Supply Units (PSUs), with modern Network Rail-approved equivalents.

02

These units provide essential power to axle

These units provide essential power to axle counter evaluators controlling Up and Down lines.

03

The works are intended to ensure

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.

Sentences from the notice that state an obligation, surfaced automatically and shown in the order they appear. Not an exhaustive list — always confirm against the tender documents.

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Source & provenance
OCID
3badddfa-d15f-4106-9e10-72dc2d150414
Stage
contract · Contract
Source
Contracts Finder
Buyer ref
ENG Task 444
View the original notice on Contracts Finder

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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