PQQ for Air Reservoir overhaul

ScotRail Trains Limited · All their open notices

What this is

ScotRail Trains Limited is conducting a Pre-Qualification Questionnaire (PQQ) for the provision of Air Reservoir overhaul services in accordance with rail safety critical standards, using ScotRail-provided materials. The contract is divided into 2 lots: Lot 1 for Class 153, 156 and 158 trains (48 months with 12-month extension option) and Lot 2 for HST Class 43 Power Car and Mark III Coach (24 months with 12-month extension option). This is a pre-qualification activity ahead of a formal tender (ITN) process.

Key points

PQQ stage only — formal ITN to follow after 21 August 2026; 2 lots (Class 153/156/158 and HST/Mark III)
Service must comply with WOSS 310/8 Version 4 standards; identification labelling system required
PQQ deadline: 12:00 on 24 July 2026 via ScotRail Wax Digital portal
Lot 1: 48+12 months; Lot 2: 24+12 months; suppliers may bid for one or both lots

Who can bid

Economic and financial standing and technical and professional ability per procurement documents. This is a PQQ stage — suppliers must complete the PQQ on Wax Digital portal. Previous publication 2025/S 000-080078. Invitations to tender to be dispatched approximately 21 August 2026.

How it is scored

PQQ stage — full award criteria to be specified at ITN stage. Price is not the only criterion. Negotiated procedure with call for competition.

How to submit

PQQ to be completed and submitted via ScotRail Wax Digital e-sourcing portal at https://scotrail.wax-live.com. Electronic ordering, invoicing and payment will be used. PQQ deadline: 24 July 2026 at 12:00.

Clarifications

Contact: willie.macmillan@scotrail.co.uk. Via Wax Digital portal. ITN dispatch estimated 21 August 2026.

Contract period

Lot 1 (Class 153/156/158): 48 months with 12-month extension option. Lot 2 (HST Class 43 / Mark III): 24 months with 12-month extension option. Not subject to automatic renewal.

Classification

CPV 50220000 — Repair and maintenance services of railway and other rail transport equipment 50530000 — Repair and maintenance services of machinery71630000 — Technical inspection and testing services Scotland

Published on Public Contracts Scotland. The official notice is the authoritative version.