Confined Space

Our directly employed team of City & Guilds 6150-02 medium risk qualified confined space electricians can carry out NC1, NC2 and NC3 works as below:

  • Electrical inspections
  • Electrical maintenance
  • Electrical installation
  • Fault finding

Low Risk Confined Space - NC1 Classification

A low risk confined space exists where there is easy entry/exit and natural ventilation.

Low risk shallow entry with adequate natural or mechanical ventilation, where access is simple and unobstructed and there is no likely risk of flooding. Eg: meter pits, valve chambers, booster-pumping stations, PRV chambers.

No breathing apparatus required for low risk.

 

Medium Risk Confined Space - NC2 Classification

A medium risk confined space exists where there are access issues; a realistic expectation of encountering a specific risk; possible introduction of specified risks during the work activity.

Vertical direct unobstructed access with continuous attachment to a man riding hoist or similar mechanical rescue device.

Escape Set (Self Rescue) breathing apparatus required to be taken into medium risk.

 

Medium Risk Confined Space - NC3 Classification

When it is not possible to have persons permanently attached to a safety line. Usually it will be a team entry which moves away from the entry point. Eg: Man entry sewers, utility service subway tunnels, aqueducts and complex wet walls. Working without an attached rescue line and includes working away from the point of entry.

Escape Set (Self Rescue) breathing apparatus required to be taken into medium risk.