RAMS for Excavation Near Electrical Cables — UK

UK construction-safety guidance by the Riskora Editorial Team

Pricing or planning excavation near electrical cables? The compliance pack is usually the part that holds the job up — not the work itself. Electrical cable strikes are one of the most common causes of serious injury in UK groundworks — and almost all of them are preventable with cable avoidance tools and confirmed plans. For excavation near electrical cables, the controlling framework is clear: HSG47 and the Electricity at Work Regulations 1989 require cable avoidance measures. A well-written RAMS converts the legal duty into something workers, supervisors and clients can actually use on the day.

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Example RAMS

RAMS for Excavation Near Electrical Cables — UK

  • Full scope and description of excavation near underground electrical cables including HV and LV
  • Site-specific hazard identification and risk ratings
  • Risk control: electrocution from cable strike
  • Risk control: arc flash burns
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When This Document Is Required

HSG47 and the Electricity at Work Regulations 1989 require cable avoidance measures. Distribution network operators (UKPN, SSEN, WPD) require notification and may impose specific safe working distances for HV cables.

What Must Be Included

  • Full scope and description of excavation near underground electrical cables including HV and LV
  • Site-specific hazard identification and risk ratings
  • Risk control: electrocution from cable strike
  • Risk control: arc flash burns
  • Risk control: secondary injuries from explosive cable failure
  • PPE and RPE requirements for all personnel
  • Emergency procedures and response arrangements
  • Competency requirements and training records
  • Communication and briefing procedures
  • Supervision and monitoring arrangements
  • Review schedule and sign-off by competent person

Common Mistakes to Avoid

  • Using a generic template without adapting it to the specific excavation near underground electrical cables including HV and LV conditions
  • Not reviewing the document when site conditions change
  • Missing sign-off from a competent person before work begins
  • Failing to consider electrocution from cable strike
  • Not addressing arc flash burns
  • Not briefing all workers on the document content before work starts

Example Scenario

On a typical UK site, a principal contractor is preparing to mobilise next week and still needs a defensible RAMS to send across to the principal contractor. They walk through the guided builder, accept the suggested hazards for excavation near electrical cables that fit, override the ones that do not, capture the project details in one pass, and send the finished document straight from Riskora to the client. The finished document explicitly addresses electrocution from cable strike, which the principal contractor would otherwise expect to see written into the pack.

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Final RAMS must be reviewed and approved by a competent person before use.

Riskora is an assistive document preparation tool. All documents generated must be reviewed, verified, and approved by a competent person before use on site. Riskora does not replace professional safety judgment, and no output should be treated as a legal compliance guarantee.