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Official procurement procedure

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

No classification published
Location not published
Published value
Not published
Submission deadline Not published
Lots published1
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: Transport for London: "3rd Line Support for the Maintenance of the London Overground WestCAD & SSI Interlocking". Published status: complete. Published value: Value not published. 1 published lot. Submission deadline not published. See the official notice for participation instructions.
Contracting AuthorityTransport for LondonScope & CategoriesNot publishedSubmission Window
complete
No deadline published
Submission GatewayDirect notice routeLegal Basis & RegimeStandard procurementEstimated Value (exc. VAT)Not published
Bidder Intelligence · Authority Profile: Transport for London
Market Analytics
View Authority Profile →
Derived from OCDS awards & bid statistics
Published history for Transport for London. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
Not availableInsufficient comparable data
Requires at least 5 comparable procedures
Competition Density
3.3Bids / Report
31.3% of reports have one bid
Supplier ConcentrationModerate Concentration
SAP (UK) LIMITEDTop vendor: 29.1% of attributable value
Payment Terms
Check noticePublished terms
Payment obligations depend on the applicable regime and contract. Consult the official documents.
Coverage: 85 active published awards; 16 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Historical Awarded Suppliers With This Authority:
Supplier NameHistoric AwardsAttributable GBP Value
SAP (UK) LIMITED1 win£6,700,000
SIEMENS MOBILITY LIMITED1 win£4,316,720
CLARKE CHAPMAN FACILITIES MANAGEMENT LIMITED1 win£1,831,032
CADENT GAS LIMITED1 win£1,594,000
CLESHAR CONTRACT SERVICES LIMITED1 win£1,320,806
Procedure terms
Contracting AuthorityTransport for London
Procedure methodNot published
Procurement categoryNot published
Statuscomplete
Framework / DPSNot published
CompetitionNot published
Above thresholdNot published
Legal basisNot published
Tender period startsNot published
Clarification deadlineNot published
Electronic submissionNot published
Submission languagesNot published
Published24 Apr 2025, 13:10 BST
Last source update24 Apr 2025, 13:10 BST
Recurring procurementNot published
ClassificationNot published
Delivery areaLocation not published
OCIDocds-h6vhtk-0506f8
What is being bought
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).
What changed
From the official release history
  1. Status changed to complete
    24 Apr 2025, 13:10 BST
  2. Official notice release published
    24 Apr 2025, 13:10 BST
  3. Buyer information updated
    24 Apr 2025, 13:10 BST
Lots and requirements (1)
Published by the contracting authority
  • Lot 1 · #1
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
Timeline
  1. Procedure published
    24 Apr 2025, 13:10 BST
  2. Award pending
    Not published · £135,000
Commercial outcome and competition
Awards
SIEMENS MOBILITY LIMITED
£135,000 · Not published · pending
ContractsNo contract published
Bid statisticsNo aggregate bid statistics published
Buyer and organisations in this procedure

Transport for London

Contracting authority GB-PPON-PHMT-6197-NWNZ
View buyer profile

  • Transport for London
    buyer

    GB-PPON: PHMT-6197-NWNZ
    5 Endeavour Square, London, UKI41, E20 1JN, GB
    bsfaribaadministration@tfl.gov.uk

  • SIEMENS MOBILITY LIMITED
    supplier

    GB-COH: 00016033 · GB-PPON: PLXP-3652-TTVN
    Sixth Floor, The Lantern, 75 Hampstead Road, London, UKI31, NW1 2PL, GB
    info.mobility.gb@siemens.com
Award and contract changes
Documents (0)
Official links; attachments are not copied
No data
No linked documents are published
Related procedures (0)
No data
No related procedures published