---
title: "Infrastructure Maintenance Contract 3 (IMC3)"
ocid: "ocds-h6vhtk-044fcf"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-044fcf"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-044fcf.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-044fcf.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "RAIL FOR LONDON"
published: "2026-05-08"
---

# Infrastructure Maintenance Contract 3 (IMC3)

Buyer: RAIL FOR LONDON  
Current stage: Award  
OCID: ocds-h6vhtk-044fcf

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## Summary

The Infrastructure Maintenance Contract 3 (IMC3) for Rail for London, a subsidiary of Transport for London (TfL), involves maintenance services for the Windrush Line Core Route, ensuring ongoing functionality for rail and passenger services. The procurement falls under the railway-track maintenance services category and is managed under a negotiated procedure with prior call for competition. The initial contract duration is five years, with potential extensions up to three additional years. Although the contract status is complete, details about the award date include 10th April 2026, and the contract is active as of 2026. RSK Environment Limited was awarded the contract, highlighting the selective procurement method. The buying organisation operates from London, UK, and addresses public transport goals for the city under the Greater London Authority.

This procurement contract, estimated at £150 million, presents substantial opportunities for businesses involved in infrastructure maintenance, particularly those offering services like railway maintenance, telecommunications, signalling, and civil engineering works. It is a significant opportunity for large-scale contractors to expand their portfolios within the Greater London area. The contract can benefit businesses that specialise in planned and reactive maintenance, renewals, and like-for-like replacements across diverse technical areas such as electrification, mechanical systems, and environmental services. Firms with expertise in comprehensive infrastructure services and the capability to handle extensive projects across various locations will find themselves well-suited to meet the contractual demands and competition during the selective negotiated procedure.

## Notice

Transport for London (TfL) is part of the Greater London Authority led by the Mayor of London. TfL is the integrated transport authority responsible for delivering the Mayor's aims for public transport. Rail for London Limited (RfL) is a subsidiary of TfL, which operates and manages the Windrush Line Core Route. This contract is to undertake maintenance, faulting, repair and like for like replacement services across the entirety of its infrastructure for London Overground's Windrush Line Core Route, to retain its ongoing functionality for Rail and Passenger services

### Lot Information

Lot 1

This contract is to undertake maintenance, faulting, repair and like for like replacement services across the entirety of its infrastructure for London Overground's Windrush Line Core Route, to retain its ongoing functionality for Rail and Passenger services. In addition to the core services optional additional Task Orders related to the requirements may be issued.

Options: Optional extension of up to an additional 3 years to the initial 5 year contract. Optional Task Orders to allow for any additional requirements above the core IMC3 services.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/042499-2026 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 8 May 2026 |
| Submission deadline | 13 May 2024 |
| Future notice date | Not specified |
| Award date | 9 Apr 2026 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £150,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | RAIL FOR LONDON |
| Locality | LONDON |
| Post town | East London |
| Postcode | E20 1JN |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI41 Hackney and Newham |
| Local authority | Newham |
| Electoral ward | Stratford Olympic Park |
| Westminster constituency | Stratford and Bow |
| Delivery location | TLI London |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | RSK ENVIRONMENT |

## CPV Codes

### Divisions

- 32 - Radio, television, communication, telecommunication and related equipment
- 34 - Transport equipment and auxiliary products to transportation
- 42 - Industrial machinery
- 45 - Construction work
- 50 - Repair and maintenance services
- 71 - Architectural, construction, engineering and inspection services
- 90 - Sewage, refuse, cleaning and environmental services

### Codes

- 32500000 - Telecommunications equipment and supplies
- 34632300 - Electrical installations for railways
- 34946000 - Railway-track construction materials and supplies
- 42500000 - Cooling and ventilation equipment
- 45213320 - Construction work for buildings relating to railway transport
- 45221112 - Railway bridge construction work
- 45232452 - Drainage works
- 45234100 - Railway construction works
- 45234112 - Railway depot construction work
- 45234115 - Railway signalling works
- 45234116 - Track construction works
- 45234123 - Partially underground railway works
- 45313000 - Lift and escalator installation work
- 45315400 - High voltage installation work
- 45331000 - Heating, ventilation and air-conditioning installation work
- 45340000 - Fencing, railing and safety equipment installation work
- 50220000 - Repair, maintenance and associated services related to railways and other equipment
- 50225000 - Railway-track maintenance services
- 50330000 - Maintenance services of telecommunications equipment
- 50511000 - Repair and maintenance services of pumps
- 50710000 - Repair and maintenance services of electrical and mechanical building installations
- 71311000 - Civil engineering consultancy services
- 71312000 - Structural engineering consultancy services
- 71315300 - Building surveying services
- 71315400 - Building-inspection services
- 71320000 - Engineering design services
- 71351500 - Ground investigation services
- 71355000 - Surveying services
- 71631470 - Railway-track inspection services
- 90491000 - Sewer survey services
- 90700000 - Environmental services

## Release History

- 8 May 2026 at 12:17 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/042499-2026
- 9 May 2024 at 12:00 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/014819-2024
- 4 Apr 2024 at 19:57 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/011035-2024

## Notice URLs

- https://s1-eu.ariba.com/Sourcing/Main/ad/selfRegistration?realm=TfL
- https://service.ariba.com/Supplier.aw/109539051/aw?awh=r&awssk=fx3TUYr9&dard=1&ancdc=1
- https://tfl.gov.uk
- https://tfl.gov.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-044fcf. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-044fcf.json.