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Published 24 Apr 2025, 13:10 BST

Official UK procurement notice

3rd Line Support for the Maintenance of the London Overground WestCAD & SSI Interlocking

Official notice

Authority: Docklands Light Railway Limited (Public body)

Below threshold - without competitionUtilities
Sectors: Repair & Maintenance (50) Delivery: North East (UKC)North West (UKD)Yorkshire & Humber (UKE)
+6 moreEast Midlands (UKF)West Midlands (UKG)East of England (UKH)London (UKI)South East (UKJ)South West (UKK)
Awarded value£135,000published award · exc. VAT
Award in standstill Not publishedno call for competition
Award (standstill) to SIEMENS MOBILITY LIMITED

What is being bought

Published requirement description

This is a single source for the Third line support and maintenance contract for the WestCAD signalling control and display system (SCDS) and the Solid-State Interlocking (SSI) which were developed by and installed by Siemens Mobility Limited for signalling control on the London Overground Core Windrush Line (formerly East London Line). The contract will end on the 31st July 2026.

This contract undertakes 3rd line support should faults not be rectified locally across the line. Siemens provide a 24/7 diagnostic hotline, all operational spares, escalation of fault to expert if unable to resolve and the availability of system experts in hardware/software.

This is estimated to cost during this period is £135,000 (excluding VAT).

The lotProcurement structure

single lot · no lot value published
Lot #1Awarded
Delivery: North East, North West, Yorkshire & Humber, East Midlands, West Midlands, East of England, London, South East, South West
50000000 Repair and maintenance services

Procedure terms & legal framework

From the official record
Procedure method
Below threshold - without competition
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Notice status
Awarded without competition
Procurement threshold
Unspecified in notice
Regulatory regime
Utilities
Commercial structure
Stand-alone contract (no framework)
Competition type
Direct award (no call for competition)
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
24 Apr 2025, 13:10 BST
Last source update
24 Apr 2025, 13:10 BST
Authority reference
WS2371076555
FTS notice number
2025/S 000-016771
Latest notice
Transparency notice (UK5)
Delivery area
North East (UKC)North West (UKD)Yorkshire & Humber (UKE)East Midlands (UKF)West Midlands (UKG)East of England (UKH)London (UKI)South East (UKJ)
+1 moreSouth West (UKK)
Official registry OCID
ocds-h6vhtk-0506f8 Find a Tender

Notice history

2 events · 1 release on Find a Tender · since 24 Apr 2025
  1. Transparency notice published
    24 Apr 2025, 13:10 BST
    UK5
  2. Contract signature expected
    24 Apr 2025, 23:59 BST
    scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1some still in standstill
Awarded value £135,0001 award exc. VAT
Awarded toValueDateStatus
SIEMENS MOBILITY LIMITEDThird line Support by Siemens Mobility Limited for the Maintenance of the London Overground WestCAD & SSI Interlocking24 Apr 2025 – 31 Jul 2026£135,000—Standstill

Contracting authority & participating public bodies

Transport for London

Contracting authorityPublic authority - central government GB-PPON: PHMT-6197-NWNZ 5 Endeavour Square, London, London, E20 1JNContact email

Bidders & participating suppliers

1 commercial party on the notice
  • SIEMENS MOBILITY LIMITEDAwarded supplierGB-COH: 00016033GB-PPON: PLXP-3652-TTVN Sixth Floor, The Lantern, 75 Hampstead Road, London, London, NW1 2PLContact email

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

  • Transparency notice awardTransparency noticeUK5Transparency notice on Find a Tender