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PROCUREMENT OPPORTUNITY

Overhaul of London Underground Spoil and Ballast (S&B) Wagons

Transport for London · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 2 Oct 2026, 02:30.

Opportunity overview

Transport for London (TfL), on behalf of London Underground, is seeking a supplier to undertake the overhaul of the Spoil and Ballast (S&B) wagon fleet, which is critical to delivering the London Underground maintenance and track renewal regime. S&B wagons support track renewal programmes across the London Underground network by enabling the efficient delivery of materials and the removal of waste ballast during possessions, within both tunnelled and surface sections, helping to ensure the continued safety and reliability of the railway. The scope of works comprises a full and comprehensive overhaul of all S&B wagons, including but not limited to brake equipment, drawgear, bogies, bodywork, fittings, gauging, and brake performance testing, together with any repair works identified through condition assessments carried out during the overhaul process. All works must be delivered in accordance with TfL's mandatory technical requirements and applicable London Underground standards, using approved methods and suitably competent personnel experienced in the maintenance of specialist rail vehicles. The fleet consists of 52 wagons, originally procured in 1996. While the S&B wagons have previously undergone a successful life extension programme, a full overhaul is now required to mitigate reliance on an interim Case for Continued Safe Operation (CCSO) and to support their continued operation. The S&B wagons overhaul works include, but are not limited to: • Brake equipment overhaul (distributors, brake cylinders, handbrake, etc.) • Drawgear overhaul (drawgear, buffers & couplers) • Bogie overhaul (bogie frames, suspension, brake rigging, etc.) • Body (corrosion repair, box protection/ renewal, damage repair, paint, etc.) • Fittings (cover plates etc.) • Gauging & brake performance checks. • Repair works arising from condition assessment during overhaul. The objective of the overhaul programme is to return all Spoil and Ballast (S&B) wagons to a condition that reliable and safe operation for a minimum period of eight years following completion of the works. The contract will be let for an initial term of three years, with an option for TfL to extend for a further one year period, subject to ongoing operational and performance requirements.

Classification

  • CPV34600000 — Railway and tramway locomotives and rolling stock and associated parts
  • CPV50000000 — Repair and maintenance services

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
WS2947834906
Main Procurement Category
services
Above Threshold
Yes
Status
planned

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Lots and requirements

Entry 1
Id
1
Has Renewal
Yes
Status
planned

Contract period

Starts
20 May 2027, 00:00
Ends
19 May 2030, 23:59
Max Extent Date
18 May 2031, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
34600000
Description
Railway and tramway locomotives and rolling stock and associated parts
Entry 2
Scheme
CPV
Id
50000000
Description
Repair and maintenance services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
"Interested suppliers are invited to register their interest by 12 noon on Monday 01 June 2026 responding to this notice. A market sounding questionnaire will then be issued. Transport for London may also hold optional follow-up clarification meetings. Participation will not confer any advantage or disadvantage in any future procurement."
Due
1 Jun 2026, 23:59
Status
scheduled

Documents

Entry 1
Id
043087-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
11 May 2026, 15:17
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Transport for London
Id
GB-PPON-PHMT-6197-NWNZ

Identifier

Scheme
GB-PPON
Id
PHMT-6197-NWNZ

Address

Street Address
5 Endeavour Square
Locality
London
Postal Code
E20 1JN
Country
GB
Country Name
United Kingdom
Region
UKI41

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthorityCentralGovernment
Description
Public authority - central government

Recorded locations

  • Buyer location · London · UKI41 · E20 1JN · United Kingdom
  • Delivery location · UKI · United Kingdom

Notice and amendment history

3 published notice versions reviewed by ProcuraAxis.

3 VERSIONS
  1. 037807-2026Pipeline notice on Find a Tender ·
  2. 038090-2026Pipeline notice on Find a Tender ·
  3. 043087-2026Preliminary market engagement notice on Find a Tender ·