Method Statement for Groundwork Dewatering — UK

UK construction-safety guidance by the Riskora Editorial Team

Pricing or planning groundwork dewatering? The compliance pack is usually the part that holds the job up — not the work itself. Excavation works carry one of the highest fatality rates in UK construction, driven by collapses, service strikes, and falls into open trenches. For groundwork dewatering, the controlling framework is clear: The Environment Agency requires permits for groundwater abstraction above certain volumes. The role of the Method Statement is to make the controls explicit, agreed in advance, and capable of standing up to HSE scrutiny.

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Example Method Statement

Method Statement for Groundwork Dewatering — UK

  • Full scope and description of management and removal of groundwater during excavation operations
  • Site-specific hazard identification and risk ratings
  • Risk control: excavation collapse caused by uncontrolled groundwater
  • Risk control: drowning hazard in flooded excavations
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When This Document Is Required

The Environment Agency requires permits for groundwater abstraction above certain volumes. Discharge of pumped water must comply with environmental permits. The method statement must address both safety and environmental requirements.

What Must Be Included

  • Full scope and description of management and removal of groundwater during excavation operations
  • Site-specific hazard identification and risk ratings
  • Risk control: excavation collapse caused by uncontrolled groundwater
  • Risk control: drowning hazard in flooded excavations
  • Risk control: environmental contamination from discharging contaminated groundwater
  • 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 management and removal of groundwater during excavation operations conditions
  • Not reviewing the document when site conditions change
  • Missing sign-off from a competent person before work begins
  • Failing to consider excavation collapse caused by uncontrolled groundwater
  • Not addressing drowning hazard in flooded excavations
  • Not briefing all workers on the document content before work starts

Example Scenario

On a recent UK project, a contracts manager has a Friday deadline for a Method Statement and is working evenings to get it through review — the kind of pressure most small contractors will recognise. In the Riskora builder they choose the right trade preset, remove the hazards that do not apply, add a couple of site-specific entries from the custom hazard library, and save the finished document for distribution to the team. The finished document explicitly addresses excavation collapse caused by uncontrolled groundwater, 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.