The Construction Safety Assurance (CSA) app has been developed for Network Rail Infrastructure Projects to record and manage site inspections, safety conversations, associated actions and record good practice across the UK rail network.

Please contact your IP regional S&SD team who will be able to create an account for you and provide you with training materials.

What’s New

Version 2.0.0

• App links support added

App Privacy

The developer, Nutshell Software Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • Identifiers
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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