Signal Maintenance Testing (SMTH) Course - 10 Days
The course consists of five modules:
- SMTH.a - Core Skills
- SMTH.b - Aspect Testing
- SMTH.c - Points Testing
- SMTH.d - Cable Function Testing
- SMTH.f - Diversion of a Circuit

Who Should Attend This Course?
This course is designed for individuals who are required to undertake Signal Maintenance Testing as part of their duties as a Signal Maintenance Tester on Network Rail (NWR) Infrastructure. carry out Signal Maintenance Testing safely and competently. Training is delivered over 10 days through a blend of classroom instruction and hands-on practical activities within a safe, simulated environment.
Course Content and Learning Outcomes
On successful completion, the delegate will be competent to carry out Signal Maintenance Testing safely, covering:
- SMTH.a - Core Skills
- SMTH.b - Aspect Testing
- SMTH.c - Points Testing
- SMTH.d - Cable Function Testing
- SMTH.f - Diversion of a Circuit
Entry
Requirements
- SEM 1 / SEM 2 (NR course)
- BST Basic Signalling Technology
- BS1/BS2 (Introduction to Railway Signalling)
- Or equivalent (proof required and will be reviewed by a director)
Knowledge Test:
All candidates must have passed the Pre-SMTH Initial Training Knowledge Test prior to attending. We can assist with this via our SYNAP software, details on request.
Delegates must:
- Be 18 years of age or over
- Meet the medical requirements of:
- NR/L2/OHS/00124 - Competence Specific Fitness Medical Requirements (minimum Medical Level 2)
- NR/L2/OHS/0120 - Drugs and Alcohol Standard
- Have a sufficient command of the English language as defined in:
- NR/L2/CTM/021 - Competence and Training in Track Safety
- Inform the training provider in advance of any additional learning needs (e.g. dyslexia)
NWR-Specific Competence Requirements (SMTH.a)
NWR candidates must hold the following competencies (or equivalents):
- Sig 07
- Sig 13
- Sig 14
- Sig 24
- Sig 25
- Sig 26
- Sig 42
- Sig Maint Points 01
Identification Requirements:
British Nationals (original hard copy only) One of the following is required:
- Sentinel Card or other branded RMI identity token
- In-date full UK driving licence
- In-date UK provisional photo card driving licence
- In-date passport
- UK Biometric Residence Permit (BRP)
- Armed Forces Identity Card
- PASS-approved proof of age card (e.g. Citizen Card)
- Northern Ireland Electoral Identity Card
- Resident permit in line with Home Office guidance
Non-British Nationals (original hard copy only) One of the following is required:
- In-date passport
- Identity card or driving licence from an EU or EEA country
- US Passport Card
Additional Information
- Delegates will be treated as being at work while attending the course.
- All relevant medical and safety policies must be complied with.
- Delegates must bring their Sentinel Smartcard (if applicable), which will be swiped at the start of the course.
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