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Soilutions

Specialists in the remediation of contaminated soils and groundwaters

You are here: Home / Guides / Site Investigation – Guide & FAQs / What are the methods of intrusive site investigation?

What are the methods of intrusive site investigation?

Part of our Site Investigation - Guide & FAQs. Click to see more answers to your questions.

Soilutions will always aim to use the most appropriate site investigation technique(s) to ensure quality data are obtained within agreed timescales and budgets.

We use a variety of methods to obtain subsurface site data with which to produce our Phase 2 Site Investigation reports.  Which method can be dependent on a variety of parameters of including:

  • Site geology
  • Investigation depth
  • Requirement for subsequent monitoring infrastructure
  • Inclined surfaces
  • Access
  • Sampling requirements
  • Geotechnical requirements
  • Need to preserve landscaped areas
  • Expected contaminants
  • Services

It may be possible to use a single technique or be necessary to combine more than one.  Using an excavator to form a trial pit is typically the least expensive and most simple.  There are different methods of drilling boreholes in the soil and bedrock – broadly, drilling rigs can be considered “window samplers”, “cable percussion” or “rotary”.  Each have advantages and disadvantages and can be utilised in a variety of different configurations depending on needs (such as the need for casing in unconsolidated materials, or different flushing media such as air verses water in the case of rotary drilling).

Free eBook: 'Phase 2 Site Investigations Explained'

This eBook explains how a Phase 2 investigation follows on from a Phase 1 Desk Study / PRA and sets out the steps to follow if you're about to embark on one. Download "Phase 2 Site Investigations Explained" now for free!

Phase 2 Site Investigations eBook

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Resources

Our eBooks available for download:
Phase 1 Desk Studies / PRA Explained
Phase 2 Site Investigations Explained
Waste Soil Classification & Disposal Options
Guide to Soil Remediation
Guide to Oil Spill Response
Guide to Giant Hogweed Removal
Guide to Japanese Knotweed Removal
Guide to Rhododendron Removal
Certificate Number 10312
International Spill Accreditation Scheme
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