---
title: "PQQ for Air Reservoir overhaul"
ocid: "ocds-r6ebe6-0000823762"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000823762"
markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000823762.md"
json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000823762.json"
source: "Public Contracts Scotland"
current_stage: "Award"
buyer: "SCOTRAIL TRAINS LIMITED"
published: "2026-06-19"
---

# PQQ for Air Reservoir overhaul

Buyer: SCOTRAIL TRAINS LIMITED  
Current stage: Award  
OCID: ocds-r6ebe6-0000823762

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## Summary

ScotRail Trains Limited, a central purchasing body based in Glasgow, is in the process of conducting a tender for the provision of an Air Reservoir overhaul service. This service forms part of the railway services industry category, and targets delivery locations in Edinburgh, Glasgow, or Inverness. The procurement, initiated under a selective, negotiated procedure with prior call for competition, is currently at the tender stage following an initial pre-qualification questionnaire phase. The tender specifies a submission deadline of 20th March 2026 and outlines a contract duration of approximately 1440 days, with potential for a subsequent 12-month extension.

This tender represents a significant business growth opportunity for companies specialising in rail services, particularly those experienced in air reservoir maintenance and overhaul. Businesses with capabilities in delivering high-quality, reliable engineering services and strong track records in managing complex supply chains could be very competitive. Given the scale and specificity of the contract, companies capable of offering innovative solutions within the pre-defined parameters, and able to establish an effective labelling and asset management system, stand a great chance of advancing through this selective process. The potential contract value of £475,000 could considerably boost company portfolios and expand their market presence in the railway services sector.

## Notice

This is a pre-qualification activity in advance of a formal tender process. ScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials. An air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air. The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.

### Lot Information

Lot 1

This is a pre-qualification activity in advance of a formal tender process. ScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials. An air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air. The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires. The services must be in accordance with WOSS 310/8 Version 4: Repair Procedure - Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs. As part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data.. This is a pre-qualification activity in advance of a formal tender process. To participate, suppliers should access and complete the the pre Qualification Questionnaire published on our e-sourcing portal (wax Digital) at https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh

Renewal: Option to extend for a further 12 months

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Public Contracts Scotland |
| Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558323 |
| Notice type | OJEU - F6 - Contract Award Notice (Utilities) |
| 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 | Not specified |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 19 Jun 2026 |
| Submission deadline | 20 Mar 2026 |
| Future notice date | Not specified |
| Award date | 19 Jun 2026 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £475,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Cancelled |
| Lots status | Cancelled |
| Awards status | Unsuccessful |
| Contracts status | Not specified |

## 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

- 50 - Repair and maintenance services

### Codes

- 50220000 - Repair, maintenance and associated services related to railways and other equipment

## Release History

- 19 Jun 2026 at 00:00 - Award - OJEU - F6 - Contract Award Notice (Utilities) - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558323
- 17 Feb 2026 at 00:00 - Tender - OJEU - F5 - Contract Notice (Utilities) - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=FEB549733

## Documents

- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=FEB549733
  PQQ for Air Reservoir overhaul - This is a pre-qualification activity in advance of a formal tender process. ScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials. An air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air. The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.
- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN558323
  PQQ for Air Reservoir overhaul - This is a pre-qualification activity in advance of a formal tender process. ScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials. An air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air. The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.

## Notice URLs

- http://
- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000823762
- https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx
- https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh
- https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/negotiations/Sourcing/DocumentMain.aspx?ProjectId=390&DocumentId=391&ApplicationInstanceID=27adc89e-0cb2-4b51-9bc1-34061f10156f
- 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-r6ebe6-0000823762. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000823762.json.