---
title: Case study | eviFile case studies
description: Browse case studies written by the eviFile team, showcasing real-world results across rail and infrastructure delivery programmes.
---

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Case studies

# Built from complex programme delivery.

Explore how contractors, asset owners and consultants use eviFile to strengthen assurance, improve the quality of project evidence and maintain a reliable golden thread across complex programmes. 

<https://blog.evifile.com/case-studies/united-utilities-progressive-assurance-case-study> ![feature image](https://blog.evifile.com/hubfs/UU%20image.jpeg)

 Case Study

Tier-1 contractor

Featured

## United Utilities Generates Regulator-Ready Evidence in Seconds

Delivering one of the UK’s largest water infrastructure projects meant United Utilities needed complete confidence in the evidence behind every stage of delivery. With field teams, contractors and regulators all contributing to the...

[Read the full case study](https://blog.evifile.com/case-studies/united-utilities-progressive-assurance-case-study)

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[Operate & Maintain Drax Saves Over £2m Digitising Non-Destructive Testing with eviFile During an outage at Drax Power Station, between 3,000 and 8,000 non-destructive tests could be completed across critical fittings, pipework and machinery.](https://blog.evifile.com/case-studies/drax-non-destructive-testing) [Digital Handover United Utilities Generates Regulator-Ready Evidence in Seconds Delivering one of the UK’s largest water infrastructure projects meant United Utilities needed complete confidence in the evidence behind every stage of delivery.](https://blog.evifile.com/case-studies/united-utilities-progressive-assurance-case-study) [Rail Strengthening Possession Control Across the TransPennine Route Upgrade Across the 122km Transpennine Route Upgrade, Network Rail and its alliance partners used eviFile to establish a consistent digital process for possession reporting, completions and site evidence.](https://blog.evifile.com/case-studies/transpennine-route-upgrade) [Progressive Assurance TransPennine Route Upgrade brings assurance reporting into one place Progressive Assurance relies on having the right information available when it is needed. For the TransPennine Route Upgrade Alliance, that once meant pulling data together from multiple sources and formats before it could be used for reporting.](https://blog.evifile.com/case-studies/transpennine-route-upgrade-assurance-reporting) [Rail Real-time Assurance reporting across Network Rail, Alstom, SPL, and TRU Key Facts Working with Transpennine Route Upgrade (TRU) Alliance Partners, Network Rail, Alstom and SPL Provides a real-time Field-to-Control Room insight solution that simplifies the complete management and reporting of Close Calls, feeding reports...](https://blog.evifile.com/case-studies/how-real-time-reporting-improved-management-and-reporting-of-close-calls) [Rail How SPL Powerlines Delivered Progressive Assurance On Major Rail SPL Powerlines UK is one of the leading rail electrification businesses in the UK. The company is an experienced overhead line contractor capable of carrying out all aspects of overhead line construction and maintenance – from foundation level...](https://blog.evifile.com/case-studies/how-spl-powerlines-delivered-progressive-assurance-on-major-rail-project-upgrade) [Rail Improving Safety Management And Reporting All contractors and designers working across the UK’s rail network are obligated to log and manage Close Calls to successful close out, reporting back to Network Rail and the Rail Safety and Standards Board (RSSB).\*](https://blog.evifile.com/case-studies/improving-safety-management-and-reporting-across-tru-rail-alliance-partners) [Rail How Atkinsréalis Delivered Progressive Assurance AtkinsRéalis is a global engineering and nuclear services organisation delivering complex rail, transportation and infrastructure programmes across the UK and internationally.](https://blog.evifile.com/case-studies/how-atkinsréalis-transformed-wheel-detection-point-reporting-through-digital-assurance)

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