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Prior notice United Kingdom Services

NorTMS External Audit Services

Buyer: Transport for the North

Published
22 May 2026
Estimated value
£300,000
Place of performance
UKC
Lots
1
Notice number
048097-2026
Reference
ocds-h6vhtk-06a1d3
Official source
Official source

CPV codes

Description

The NorTMS Audit is to undertake audits as required of the Northern Transport Modelling System (NorTMS), a Cube-based VDM with a focus on intercity rail in the North of England. These will be required on a call-off basis when a stable model release is available. After each audit the supplier will be expected to provide an audit report with recommendations for areas requiring improvement. This will be subject to a one+one+one year call-off basis. TfN requires a supplier who is an expert CUBE model reviewer with competent Python skills as some elements of NorTMS are coded in Python, and who has not worked with NorTMS or related to any TfN framework directly involved in NorTMS, unless the work that was delivered relates to the audit of NorTMS. The scope of work required for each NorTMS audit underpins the following objectives: •Provision of a full audit of all NorTMS inputs and outputs with the aim of instilling confidence in NorTMS for its use in modelling works and supporting business cases. •A review of each version of NorTMS following model updates and improvements prior to implementation on programme. •To understand the fitness for purpose of NorTMS in its use for assessing sc…

Official publications

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £300,000.
Who is the buyer of this tender?
The contracting authority is Transport for the North (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.