Level 3 work instruction
NR/L3/TEL/00061
Procedure for works impacting GSM-R
Issue 1, 01 March 2025 · GSM-R & radio
Clause map — what each clause deals with
| 1 | Purpose | The process for planning works near or affecting GSM-R masts and coverage — what a project must do |
| 2 | Scope | What kinds of works and lineside activities can impact GSM-R |
| 3 | Terms and Definitions | Terms and definitions (APIS, DDaT, F061) |
| 4 | Roles and responsibilities | Project duty to notify DDaT using form F061 |
| 5 | Introduction to GSM-R | Introduction to GSM-R for non-specialists |
| 6 | Impact of Project to GSM-R/Change Criteria | Change criteria — when a project must raise the form |
| 7.1 | Common Safety Method – Risk Evaluation and Assessment | CSM-RA applies to GSM-R changes |
| 7.2 | Interoperability | Interoperability (CCS NTSN) compliance |
| 8 | Form Completion Information | How to complete F061 |
| 9 | DDaT Response | What DDaT sends back |
| 10 | Collaboration throughout project | Keeping DDaT in the loop through the project |
| 11 | Timescales | When F061 is due (end of ES3) |
| 12 | Close Out | Close-out at project completion |