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GLOSSARY / Construction & investigation

Trial pit

An excavation used to inspect ground conditions or expose relevant features during an investigation. Its planned location and depth help define the activity.

THE RRS GLOSSARY

Why it matters to a project

Where UXO is a project concern, trial pits should be considered within the assessment and mitigation plan. The scope of any oversight needs to match the proposed works.

PROJECT EXAMPLE

The investigation team agrees which planned pits fall within a specific support arrangement.

A useful distinction

A trial pit records conditions where it is excavated; it does not represent every part of a site.

Questions to ask when it appears in a scope

  • What area, activity and decision does this term refer to?
  • What evidence or output will the project team receive?
  • What limitations need to be carried into the next stage?

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