Non-Invasive Electrical Inspections and Monitoring

Critical area non-invasive electrical safety inspections to supplement future EICR testing at a major NHS General Hospital Site.

Technicians trained in Thermography and C&G2391 performed the inspections.

Results overseen by Prosec Chartered Engineer – appointed as the Hospital Trust’s Authorising Engineer.

Initially 25 Distribution Boards selected, focusing particularly on those serving critical areas including ITU and theatres.

Extended to include: LV distribution boards, LV switch boards, HV transformers, and associated conductors

Predictive maintenance is at the heart of this solution.
Empirical evidence is analysed to prioritise further essential distribution equipment maintenance, enabling minimal downtime, following detailed risk analysis and scoring.

Objectives

  • To attain a comprehensive understanding of issues that are likely to arise within the electrical system before a major incident occurs.
  • To better control and manage electrical resilience, minimising the risks to patient service posed by unscheduled downtime – particularly within critical hospital departments.
  • Supporting compliance with regulatory and recognised standards including:
  • Electrical Inspection Condition Reporting (EICR) requirements within BS7671
  • Electricity at Work Regulations 1989
  • BS6626:2010 Maintenance of Electrical Switchgear

Challenges

  • Minimise disruption of critical service delivery, particularly within the healthcare environment
  • Define a risk managed methodology to investigate electrical systems without the necessity for any power outages
  • Establish a reliable, repeatable process that allows acquisition of real-world system reliability indicators.

The Successful Solution – Non Invasive Techniques, performed by trained and competent Prosec service team members

  • IR Thermography
  • Ultrasound
  • Power Analysis, including snapshot of electrical compliance and harmonic content.
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