NR/SIG/11231 ISSUE 8
Signal Maintenance Testing Handbook (NR/SMTH)
| Organization: | NR |
| Publication Date: | 6 September 2014 |
| Status: | inactive |
| Page Count: | 28 |
scope:
All signalling assets that are replaced or renewed on a like for like basis under corrective maintenance, temporary design as a result of an incident or engineering works (reference to other NR documents required for tasks) and minor signalling renewals that do affect the application logic of the system or the controls of the system that have previously been tested to signal works testing specifications
Purpose:
To provide a mandated maintenance testing regime for the replacement or installation of signalling assets that do not affect the application logic of the system or the controls of the system that have previously been tested to signal works testing specifications
Document History