Tender

PQQ for Air Reservoir overhaul

SCOTRAIL TRAINS LIMITED

This public procurement record has 1 release in its history.

Tender

17 Feb 2026 at 00:00

OJEU - F5 - Contract Notice (Utilities)
Summary of the contracting process

ScotRail Trains Limited is initiating a public procurement process for the overhaul of air reservoirs, with a focus on railway services within the United Kingdom. The pre-qualification questionnaire (PQQ) titled "Air Reservoir overhaul" is currently in the tender stage, offering potential contracts valued at approximately £475,000. Interested suppliers should note that this selective process utilises a negotiated procedure with a prior call for competition. The procurement process, managed through electronic submissions, is open for applications until 20th March 2026, with services required to be delivered in major locations including Edinburgh, Glasgow, or Inverness.

This tender presents substantial opportunities for businesses operating within the railway maintenance and engineering sectors. Ideal candidates would be enterprises experienced in overhaul services for infrastructure components like air reservoirs and those capable of meeting stringent repair specifications and identification labelling requirements. Participation necessitates suppliers to engage through ScotRail’s Wax Digital e-sourcing portal, ensuring compliance with required standards and procedures. This procurement offers a significant growth avenue for businesses capable of delivering high-quality engineering services and the potential of a 12-month extension, increasing the scope for long-term collaboration with ScotRail Trains Limited.

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Notice Information

Notice Title

PQQ for Air Reservoir overhaul

Notice Description

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

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000823762
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=FEB549733
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
OJEU - F5 - Contract 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

Common Procurement Vocabulary (CPV)

CPV Divisions

50 - Repair and maintenance services

CPV Codes

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

Notice Value(s)

Tender Value
£475,000 £100K-£500K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
17 Feb 20266 days ago
Submission Deadline
20 Mar 20264 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SCOTRAIL TRAINS LIMITED
Contact Name
Willie MacMillan
Contact Email
willie.macmillan@scotrail.co.uk
Contact Phone
+44 3448110141

Buyer Location

Locality
GLASGOW
Postcode
G2 6HQ
Post Town
Glasgow
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM3 West Central Scotland
Small Region (ITL 3)
TLM32 Glasgow City
Delivery Location
TLM Scotland
Local Authority
Glasgow City
Electoral Ward
Anderston/City/Yorkhill
Westminster Constituency
Glasgow North

Further Information

Notice 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.

Open Contracting Data Standard (OCDS)

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