NR/L3/SIG/10663 ISSUE 12 : 2020
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Signal Maintenance Specifications (SMS)
Superseded date
06-09-2021
Published date
05-12-2020
Publisher
This document applies to all staff who carry out corrective or preventative maintenance to signalling equipment on NRMI.
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