RAMS for Manhole Entry — UK

UK construction-safety guidance by the Riskora Editorial Team

The standards that apply to manhole entry are clear, but applying them on a real site is where most contractors trip up. An atmosphere that tested safe at the start of a shift can become lethal within minutes if conditions inside the space change. For manhole entry specifically, the Confined Spaces Regulations 1997 apply to all manhole entries. That is the gap a properly written RAMS closes: between knowing the work is risky and proving the risks are controlled.

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Example RAMS

RAMS for Manhole Entry — UK

  • Full scope and description of entry into manholes for inspection, maintenance, or repair of underground services
  • Site-specific hazard identification and risk ratings
  • Risk control: hydrogen sulphide accumulation in sewer manholes
  • Risk control: sudden flooding from upstream drainage
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When This Document Is Required

The Confined Spaces Regulations 1997 apply to all manhole entries. A permit-to-work must be issued for each entry. Atmospheric testing for O₂, CH₄, CO, and H₂S is mandatory before and during entry.

What Must Be Included

  • Full scope and description of entry into manholes for inspection, maintenance, or repair of underground services
  • Site-specific hazard identification and risk ratings
  • Risk control: hydrogen sulphide accumulation in sewer manholes
  • Risk control: sudden flooding from upstream drainage
  • Risk control: biological hazards from sewage and standing water
  • 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 entry into manholes for inspection, maintenance, or repair of underground services conditions
  • Not reviewing the document when site conditions change
  • Missing sign-off from a competent person before work begins
  • Failing to consider hydrogen sulphide accumulation in sewer manholes
  • Not addressing sudden flooding from upstream drainage
  • Not briefing all workers on the document content before work starts

Example Scenario

Based in Reading, a groundworks subcontractor has a Friday deadline for a RAMS and is working evenings to get it through review — the kind of pressure most small contractors will recognise. Using Riskora, they pick the relevant trade preset, drop in the project address, refine the pre-loaded hazards for manhole entry, and export a clean PDF ready for sign-off the same afternoon. The finished document explicitly addresses hydrogen sulphide accumulation in sewer manholes, 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.