Awarded contract

Maintenance of the New Measurement Train (NMT)

Details

Supplier(s)
Colas Rail Ltd
Value
£8,480,000
Topic
Repair and maintenance services of locomotives
Published
10 September 2025

Tender description

The contract covers the maintenance of the New Measurement Train (NMT), a critical asset within Network Rail’s Infrastructure Monitoring fleet. The NMT operates across high-mileage and high-traffic segments of track, delivering essential data to ensure compliance with track standards, particularly Category 1a and 1 routes. The awarded services include: Heavy and light maintenance of the NMT fleet, comprising Class 43 Power Cars and Mk3 Trailer Cars. Cleaning operations. Provision of NMT technicians responsible for overnight service exams, fault response, and technical riding duties. Scheduled maintenance activities on a weekly, per-period, and bi-period basis. Support for QL3 and QL4 MTU engine overhauls managed by a separate maintainer. Lot 1: The contract covers the maintenance of the New Measurement Train (NMT), a critical asset within Network Rail’s Infrastructure Monitoring fleet. The NMT operates across high-mileage and high-traffic segments of track, delivering essential data to ensure compliance with track standards, particularly Category 1a and 1 routes. The awarded services include heavy and light maintenance of the NMT fleet (Class 43 Power Cars and Mk3 Trailer Cars), cleaning operations, provision of NMT technicians for overnight service exams, fault response, and technical riding duties. Maintenance activities are scheduled weekly, per-period, and bi-period, with support for QL3 and QL4 MTU engine overhauls managed by a separate maintainer.

Timeline

  1. Completed: Award date8 September 2025
  2. Completed: Award published10 September 2025
    Current notice

About the buyer

Network Rail runs a safe, efficient railway, and buys as a central public body split between a national Route Services team and its regional routes. Suppliers must register on BravoNR, Network Rail's procurement portal, before bidding for work. Every prospective supplier also registers on Find a Tender, the Cabinet Office's digital platform. Safety-critical work needs audited status on RISQS, the rail industry's supplier qualification scheme, before Network Rail contracts directly. A contract register lists every national contract and framework, with a contact for each. Network Rail's latest spend reporting covers Control Period 7, the 2024-25 financial year.

Procurement spend from central entities makes up 66% of overall UK public spend.

Over the past 5 years, most of Network Rail's contract awards have been in IT services, architectural and engineering services and construction work.

Relevant CPV codes

  • 50221000 · Repair and maintenance services of locomotives

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