---
title: "Allerton TCC 331 Heavy Maintenance Feasibility"
ocid: "ocds-h6vhtk-060e3d"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060e3d"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-060e3d.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-060e3d.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "NORTHERN TRAINS LIMITED"
published: "2026-01-26"
---

# Allerton TCC 331 Heavy Maintenance Feasibility

Buyer: NORTHERN TRAINS LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-060e3d

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## Summary

The procurement process, led by Northern Trains Limited, is in the planning stage and focuses on the feasibility and option selection for the Allerton TCC 331 Heavy Maintenance project. The primary goal is to evaluate and develop infrastructure solutions for heavy maintenance operations concerning 3-car and 4-car Class 331 units. A workshop will be held on 12th February 2026 to engage suppliers on this project, with the tender release scheduled for 2nd March 2026. The project location is identified in the North West region of the UK, specifically at Allerton TCC. This procurement, categorised under services within utilities, seeks to find optimal and future-proof solutions, ensuring deliverability and operational efficiency.

This tender presents considerable opportunities for businesses that specialise in infrastructure design, feasibility studies, and heavy maintenance solutions. Small and medium-sized enterprises (SMEs) stand well-positioned to participate, especially those with expertise in engineering services and project management within the railway industry. The project offers a substantial growth avenue with a gross value of approximately £400,800, aiming to enhance maintenance capabilities and efficiency. Businesses that can provide innovative, cost-effective, and strategic maintenance solutions, aligning with Northern Trains Limited’s objectives, are likely to have a competitive edge in securing this contract.

## Notice

We propose to evaluate the possible infrastructure solutions at Allerton TCC for feasibility and option selection assessments as per the outline scope below: - To evaluate and define optimal solutions for bogie drop, transfer, and storage facilities, as well as jacking systems and a potential shed extension, to support heavy maintenance operations for 3-car and 4-car Class 331 units, with future-proofing considerations. - 3 car HM cycle is due March 2028 and the 4 car units will commence Jan 2029 this report will determine if there is potential for a phased approach to enable 3 car maintenance to be undertaken with 4 car requirements being constructed at a later stage, and if it should be foreseeable that its possible undertake 3 car maintenance cycle, whilst being able to complete the required construction works for 4 car unit facilities. - The additional requirements for 4 car units to be maintained would be additional jacking equipment, shed extension to road 4 / 5 shed, foundations/pits and storage for the additional 4-wheel sets (2 old & 2 new) This feasibility and option selection project will identify the optimum solution to each issue. The solution must be deliverable, operationally efficient, represent value for money and meet NTL strategic objectives. The Selected option for each proposed scheme will form the work scope for the design phase. Completing this feasibility and option selection will allow the proposed schemes to commence at design stage, improving project delivery efficiency.

### Planning Information

A workshop will take place via teams on 12th February 2026 at 10:30am to engage with suppliers on the upcoming Allerton TCC 331 Heavy maintenance Feasibility scheduled to release on 2nd March 2026.
This workshop will give suppliers a brief overview of the scope, the timelines of the tender, contract and how long the project is expected to run for.
If you would like to attend the session please email the Project Manager and Procurement Manager and the Teams invite will be sent across to you.
Please email: Clint.Ralphs@northernrailway.co.uk & Holly.Longcroft@northernrailway.co.uk

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/006548-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 Jan 2026 |
| Submission deadline | Not specified |
| Future notice date | 2 Mar 2026 |
| Award date | Not specified |
| Contract period | 8 Jun 2026 - 9 Dec 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £334,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planning |
| Lots status | Planning |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NORTHERN TRAINS LIMITED |
| Locality | YORK |
| Post town | York |
| Postcode | YO1 6JT |
| Country | England |
| ITL 1 | TLE Yorkshire and The Humber |
| ITL 2 | TLE2 North Yorkshire |
| ITL 3 | TLE21 York |
| Local authority | York |
| Electoral ward | Micklegate |
| Westminster constituency | York Central |
| Delivery location | TLD72 Liverpool |

## CPV Codes

### Divisions

- 22 - Printed matter and related products
- 79 - Business services: law, marketing, consulting, recruitment, printing and security

### Codes

- 22314000 - Designs
- 79314000 - Feasibility study

## Release History

- 26 Jan 2026 at 11:30 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/006548-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/006548-2026
  26th January 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-060e3d. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-060e3d.json.