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Tenfell
Awarded contract
Published 29 Apr 2026

Axle Counter Power Supply Unit Design

Transport for London · London

Key facts

Contract value
£133,104
Awarded
31 Mar 2026
Contract starts
03 May 2026
Contract ends
03 Nov 2026
Procedure
Call-off from a framework agreement (framework)
Buyer type
Utilities & transport

Awarded to

SupplierValue
Ramboll UK Limited£133,104

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.

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