---
title: "Class 318 & 320 STPI Relays"
ocid: "ocds-h6vhtk-069e1e"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069e1e"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-069e1e.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-069e1e.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SCOTRAIL TRAINS LIMITED"
published: "2026-06-29"
---

# Class 318 & 320 STPI Relays

Buyer: SCOTRAIL TRAINS LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-069e1e

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## Summary

ScotRail Trains Limited, based in Glasgow, is undertaking a procurement process for the supply of Class 318 & 320 STPI Relays, classified under the industry category of electrical relays. This process falls under 'goods' as the main procurement category and is located at the Shields Road Depot in Glasgow (UKM region). The procurement has reached the award stage, with the contract having been signed on 15th June 2026. Utilising a limited procurement method, the contract was awarded without a prior call for competition based on technical reasons, following the Utilities Contracts (Scotland) Regulation 2016. The procurement process is complete, and the award status is currently active.

This tender represents a strategic opportunity for businesses specialising in electrical relay systems specifically designed for railway operations. Companies with expertise in providing compatible relay solutions integrated with existing systems in railway fleets would be well poised to compete successfully. The contract promises the continuity of operation for Class 318, 320, and 320/4 EMU fleets, highlighting an ongoing commitment to railway infrastructure upgrades and maintenance. Suppliers with a focus on technical integration and specialised engineering solutions will find growth potential in engaging with this procurement opportunity offered by ScotRail Trains Limited.

## Notice

The Supply Class 318 & 320 STPI Relays. Replacement of Square D type replays with STPI

### Lot Information

Lot 1

The requirement is for the Supply of relays for Class 318, 320 and 320/4 fleets to support replacement of designated positions across the Class 318, 320, and 320/4 EMU fleets. The proposed contract will provide continuity of operation of the system based upon the existing solution, in which there has been significant prior investment.

### Procurement Information

On the basis of The Utilities Contracts (Scotland) Regulation 2016 in accordance with regulation 48.(1)(c)(ii) a utility may award a contract following a negotiated procedure without prior publication of a call for competition where the works, suppliers or services can be supplied only by a particular economic operator due to competition being absent for technical reasons. Single Source is required due to integration with existing systems on the fleets.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/060623-2026 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Limited |
| Procurement method details | Award procedure without prior publication of a call for competition |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 29 Jun 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 17 May 2026 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| 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 | SCOTRAIL TRAINS LIMITED |
| Locality | GLASGOW |
| Post town | Glasgow |
| Postcode | G2 6HQ |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM3 West Central Scotland |
| ITL 3 | TLM32 Glasgow City |
| Local authority | Glasgow City |
| Electoral ward | Anderston/City/Yorkhill |
| Westminster constituency | Glasgow North |
| Delivery location | TLM Scotland |

## CPV Codes

### Divisions

- 31 - Electrical machinery, apparatus, equipment and consumables; lighting

### Codes

- 31221000 - Electrical relays

## Release History

- 29 Jun 2026 at 09:24 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/060623-2026
- 20 May 2026 at 15:54 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/046662-2026

## Notice URLs

- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000832345
- https://www.publiccontractsscotland.gov.uk/search/Search_AuthProfile.aspx?ID=AA30589
- https://www.scotrail.co.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-069e1e. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-069e1e.json.