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Class 158 Single Variable Rate Sanding (SVRS) Modification

NORTHERN TRAINS LIMITED

This public procurement record has 4 releases in its history.

ContractAmendment

30 Jun 2026 at 12:19

UK10 - Contract Change Notice
Award

05 Mar 2026 at 15:27

UK7 - Contract Details Notice
Award

27 Jan 2026 at 19:05

UK6 - Contract Award Notice
Award

27 Jan 2026 at 18:58

UK5 - Transparency Notice
Summary of the contracting process

Northern Trains Limited, a central government public authority located in York, is overseeing the procurement process for the modification of its Class 158 fleet with a Single Variable Rate Sanding (SVRS) system. This public procurement process is in the contract amendment stage as of 30th June 2026. It covers additional enhancements beyond the original contract, with the contract modification specifically targeting improvements for system functionality that only Siemens can deliver due to intellectual property and integration constraints. The procurement falls under the industry category of railway-related services, involving repair and maintenance tasks, and the location specified for service delivery includes regions in Northern England such as UKC, UKD, and UKE. The procurement method is a direct award due to the specialised nature of the services required, necessitated by safety imperatives following several rail incidents, and aims for completion by August 2028.

This contract presents significant opportunities for businesses capable of providing specialised engineering services and technological enhancements within the railway sector. Large, technically advanced organisations with expertise in system integration, safety certification, and rail vehicle modifications would find themselves well-suited to compete in such tenders, particularly if they possess unique capabilities or proprietary technologies that align with existing infrastructure. The procurement highlights the necessity of a proven track record in improving service resilience and safety under stringent timelines, facilitating business growth for firms that can strategically align with such complex demands in the rail industry.

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Notice Information

Notice Title

Class 158 Single Variable Rate Sanding (SVRS) Modification

Notice Description

The design, supply and certification of a proven Single Variable Rate Sanding (SVRS) for Northern's Class 158 fleet, consisting of eight three car and forty five two car units, with fitment commencing August 2026.

Procurement Information

Northern Trains Limited (NTL) is required to procure and install a fully certified and previously proven SVRS system by leaf fall 2026, ensuring fleet safety of NTL's Class 158 rolling stock. The following incidents on the GB rail network has required NTL to install SRVS on its cl.158 fleet: The Salisbury collision (Oct 21) due to poor adhesion, involving Great Western Railway and South Western Railway trains, the Powys collision (Oct 24) involving Transport for Wales trains and multiple station overruns in 2024 and 2025. Given these incidents, there is a need to enhance the stopping capability of the Class 158 as a safety imperative. Siemens is the only provider whose SVRS solution has proven to positively impact breaking in low-adhesion conditions on Class 158s while in passenger service and is permitted for use by the asset-owner. This has been demonstrated at ScotRail. Any alternative would not meet the timelines required by the Office of Rail and Road (ORR) and Department for Transport Operator (DFTO), making Siemens the only viable supplier for the Autumn 2026 deadline. In conclusion, NTL's procurement under Schedule 5 paragraph 6 is justified due to the following reasons: a. There are no alternative suppliers with a tested solution meeting the technical requirements for Class 158s in the timeframe required by the ORR to address a safety critical matter. b. There are no reasonable alternative goods meeting the technical requirements for Class 158s in the timeframe required by the ORR to address a safety critical matter.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-061041
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/061196-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK10 - Contract Change Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Direct
Procurement Method Details
Direct award
Tender Suitability
Not specified
Awardee Scale
Large

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
Not specified
Lots Value
Not specified
Awards Value
£1,790,898 £1M-£10M
Contracts Value
£2,177,688 £1M-£10M

Notice Dates

Publication Date
30 Jun 20261 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
27 Jan 20267 months ago
Contract Period
29 Jun 2026 - 28 Aug 2028 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NORTHERN TRAINS LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
YORK
Postcode
YO1 6JT
Postcode Area
York
Country
England
Major Region (ITL 1)
TLE Yorkshire and The Humber
Basic Region (ITL 2)
TLE2 North Yorkshire
Small Region (ITL 3)
TLE21 York
Delivery Location
Not specified
Local Authority
York
Electoral Ward
Micklegate
Westminster Constituency
York Central

Supplier Information

Number of Suppliers
1
Supplier Name

SIEMENS MOBILITY LIMITED

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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