The ground investigation is split into three investigation phases
- Phase 1 involves a desk study which reviews records, old maps and photographs of local land uses to determine if there are any observational risks at the site that require investigation.
- Phase 2 involves drilling boreholes or digging trial pits to take soil and water samples for testing to determine if ground contamination is present at a site. This often encompasses collecting information to inform for building foundation design.
- Phase 3 involves designing a strategy to carry out remediation of any contamination found, and verification that the remediation has been carried out properly. This stage is not required if no contamination has been found.
Free guide: 'Phase 1 Site Investigations Explained'
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