Course overview
TSTS is the dedicated Site Safety Plus course for operatives and supervisors working in tunnels, shafts and underground excavations where unique hazards demand specialist controls.
Delegates gain a deep understanding of confined space management, ground control, compressed air procedures and emergency arrangements specific to tunnelling environments.
Our course profile explains the content, assessment and how TSTS supports compliance with client and regulatory expectations.
Who should attend?
- Operatives, miners and supervisors employed on tunnelling or shaft sinking projects
- Specialist subcontractors installing linings, M&E services or sprayed concrete in tunnels
- Safety professionals supporting underground construction programmes
Key learning outcomes
- Identify the unique hazards of tunnelling including ground instability, atmospheric risks and plant interfaces
- Implement safe systems for compressed air, ventilation, shotcrete and spoil removal
- Coordinate emergency arrangements, refuge chambers and rescue plans
- Promote behavioural safety in high-risk underground environments
Course syllabus
- Legislation and standards for tunnelling and underground works
- Tunnelling methods, ground control and sprayed concrete lining
- Atmospheric monitoring, ventilation and compressed air procedures
- Emergency preparedness, fire safety and wellbeing underground
Assessment & certification
- Multiple-choice examination and tutor feedback
- Certificate valid for five years, recognised by major UK infrastructure clients
- Record of achievement suitable for competency matrices and induction records
Progression & next steps
- Use TSTS to evidence competency during client prequalification and tunnel project induction
- Progress to supervisory NVQs or SSSTS/SMSTS as your career advances
- Integrate TSTS learnings into shift briefings and safe systems of work
Why book this course?
- Accredited CITB Site Safety Plus classroom or remote delivery.
- Delivered by industry-experienced tutors with current case studies.
- Recognised by major UK contractors, infrastructure clients and supply chains.
- Supports compliance, tender submissions and competence management systems.
Frequently asked questions
Is TSTS mandatory?
Most tier one infrastructure projects require TSTS (or equivalent) for anyone entering the tunnel environment.
How long is the course?
TSTS is typically delivered over two days with the exam on the final afternoon.
Does TSTS replace confined space training?
No. You should also hold specific confined space and rescue qualifications relevant to the project.
Ready to secure your place?
Search accredited training organisations, compare dates and book the Tunnelling Safety Training Scheme (TSTS) course that suits your schedule.
Visit the official CITB course page