HSG47 – Avoiding Dangers from Underground Services – HV Substations


This product is operated by Pragmatic Consulting Ltd.

Training is aimed at individuals operating within National Grid substations and compounds.

The course aims to enable individuals to:

  • Describe the problems associated with the use of cable avoidance equipment in a high-voltage substation environment.
  • Describe the methods which can be employed to ensure optimum equipment operation in this type of environment.
  • State the requirements of HSG47.
  • Describe the dangers from underground services.
  • State the requirements for managing contractors when they are engaged in this type of work.
  • Describe the requirements for planning the work in accordance with HSG47.
  • Explain how plans and utility searches assist in the avoidance of underground services.
  • Describe the process for underground mapping.
  • State the requirements for safe systems of work in accordance with HSG47.
  • Explain how cable and pipe avoidance is achieved.
  • Describe the practices used to help ensure safe digging.
  • State the requirements for back filling.
  • Describe how alternative digging technologies can be used.
  • Describe how to deal with “the unknown service”.


The training is valid for 3 years with a refresher course giving a further validation period of 3 years.


Registration on EUSR is valid for 3 years from date of training.

Find Out More

If you would like more information on the course please click here.

An Endorsed Training Programme is a training package that has been approved by Energy & Utility Skills as meeting its objectives. They are offered by private companies and any questions relating specifically to that training package should be directed to the appropriate provider.