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Section I: Contracting entity

I.1) Name and addresses

ScotRail Trains Limited

Atrium Court, 50 Waterloo Street

Glasgow

G2 6HQ

Contact

Willie MacMillan

Email

willie.macmillan [at] scotrail.co.uk

Telephone

+44 3448110141

Country

United Kingdom

NUTS code

UKM - Scotland

Internet address(es)

Main address

Buyer's address

I.2) Information about joint procurement

The contract is awarded by a central purchasing body

I.3) Communication

The procurement documents are available for unrestricted and full direct access, free of charge, at

Additional information can be obtained from the above-mentioned address

Tenders or requests to participate must be submitted electronically via

I.6) Main activity

Railway services

Section II: Object

II.1) Scope of the procurement

II.1.1) Title

PQQ for Air Reservoir overhaul

Reference number

SR-255

II.1.2) Main CPV code

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

II.1.3) Type of contract

Services

II.1.4) Short description

ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.

Noting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy and the tender will now be separated into Lots to account for the differing contract end date required for the HSTs.

- Lot 1 – for Class 153, 156 & 158 trains; and

- Lot 2 – for HST Class 43 Power Car & Mark III Coach

As part of the ITN process Suppliers will be able to bid for one or more Lots.

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.

II.1.6) Information about lots

This contract is divided into lots: Yes

Tenders may be submitted for maximum number of lots
2

II.2) Description

II.2.1) Title

Air Reservoir overhaul for Class 153, 156 & 158 trains

Lot No

1

II.2.2) Additional CPV code(s)

• 50220000 - Repair, maintenance and associated services related to railways and other equipment
• 50530000 - Repair and maintenance services of machinery
• 71630000 - Technical inspection and testing services

II.2.3) Place of performance

NUTS codes

• UKM - Scotland

II.2.4) Description of the procurement

ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.

Noting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy. The tender will now be separated into Lots to account for the differing contract end date required for the HSTs.

Lot 1 – for Class 153, 156 & 158 trains; and

As part of the ITN process Suppliers will be able to bid for one or more Lots.

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.

II.2.5) Award criteria

Price is not the only award criterion and all criteria are stated only in the procurement documents

II.2.7) Duration of the contract, framework agreement or dynamic purchasing system

Duration in months

48

This contract is subject to renewal

Yes

Description of renewals

Option to extend for a further 12 months

II.2.9) Information about the limits on the number of candidates to be invited

Envisaged number of candidates: 4

II.2.10) Information about variants

Variants will be accepted: No

II.2.11) Information about options

Options: No

II.2.13) Information about European Union Funds

The procurement is related to a project and/or programme financed by European Union funds: No

II.2.14) Additional information

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

II.2) Description

II.2.1) Title

Air Reservoir overhaul for HST Class 43 Power Car & Mark III Coach

Lot No

2

II.2.2) Additional CPV code(s)

• 50220000 - Repair, maintenance and associated services related to railways and other equipment
• 50530000 - Repair and maintenance services of machinery
• 71630000 - Technical inspection and testing services

II.2.3) Place of performance

NUTS codes

• UKM - Scotland

II.2.4) Description of the procurement

ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.

Noting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy. The tender will now be separated into Lots to account for the differing contract end date required for the HSTs.

Lot 2 – for HST Class 43 Power Car & Mark III Coach

As part of the ITN process Suppliers will be able to bid for one or more Lots.

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.

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.

II.2.5) Award criteria

Price is not the only award criterion and all criteria are stated only in the procurement documents

II.2.7) Duration of the contract, framework agreement or dynamic purchasing system

Duration in months

24

This contract is subject to renewal

Yes

Description of renewals

Possible extension of up to 12 months

II.2.9) Information about the limits on the number of candidates to be invited

Envisaged number of candidates: 4

II.2.10) Information about variants

Variants will be accepted: No

II.2.11) Information about options

Options: No

II.2.13) Information about European Union Funds

The procurement is related to a project and/or programme financed by European Union funds: No

II.2.14) Additional information

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

Section III. Legal, economic, financial and technical information

III.1) Conditions for participation

III.1.2) Economic and financial standing

Selection criteria as stated in the procurement documents

III.1.3) Technical and professional ability

Selection criteria as stated in the procurement documents

Section IV. Procedure

IV.1) Description

IV.1.1) Type of procedure

Negotiated procedure with prior call for competition

IV.1.8) Information about the Government Procurement Agreement (GPA)

The procurement is covered by the Government Procurement Agreement: Yes

IV.2) Administrative information

IV.2.1) Previous publication concerning this procedure

Notice number: 2025/S 000-080078

IV.2.2) Time limit for receipt of tenders or requests to participate

Date

24 July 2026

Local time

12:00pm

IV.2.3) Estimated date of dispatch of invitations to tender or to participate to selected candidates

21 August 2026

IV.2.4) Languages in which tenders or requests to participate may be submitted

English

IV.2.6) Minimum time frame during which the tenderer must maintain the tender

Duration in months: 3 (from the date stated for receipt of tender)

Section VI. Complementary information

VI.1) Information about recurrence

This is a recurrent procurement: No

VI.3) Additional information

Wax Digital should be used for the completion of any submissions. The full scope of the requirements is contained within the published project on our Wax Digital e-sourcing tool which can be accessed here

(SC Ref:835148)

VI.4) Procedures for review

VI.4.1) Review body

Glasgow Sheriff Court and Justice of the Peace

Sheriff Clerk's Office, PO Box 23, 1 Carlton Place

Glasgow

G5 9DA

Country

United Kingdom