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Ground Investigation Services

Cable Percussive Boreholes
Window Sampling
BRE365 Soakage Testing
Trial Pitting
Mackintosh Probing

iGeo Ltd are able to carry out geotechnical ground investigations for small residential developments, new builds, extensions  and subsidence projects.

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We limit our ground investigations to projects with a maximum of fifteen units, up to two and a half storeys high, without basements.

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Most of our projects are in the Thames Valley area, typically up to 50miles radius of Reading, but outside of the M25.

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We aim to design the required ground investigation geotechnical ground investigations based on a number of factors, including the expected geology, potential ground stability issues, the development proposals (number of units, how many stories and construction method), if trees, slopes or other structures are present, if soakage tests are required, also any access restrictions, etc. 

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We are able to arrange for:

  • Trial pits

    • By hand

    • With an excavator

  • Boreholes

    • Hand augered boreholes​

    • Window sampling boreholes

    • Dynamic probing 

    • Rotary augered boreholes

    • Cable percussive boreholes

    • Rotary cored boreholes

    • Sonic boreholes

    • Concrete coring

  • Soakage tests​

    • Traditional one day 'open' soakage tests​

    • Stone filled soakage tests

    • Drainfield soakage tests

  • Geotechnical Laboratory Testing​

    • In house ​

    • Specialist testing

  • Insitu Testing​

    • Insitu CBRs (plunger & plate bearing test methods)​

    • Plate bearing tests (incremental and constant rate)

  • Geotechnical Reporting​

    • Factual reports​

    • Interpretive reports

    • Short tree table report 

    • Tree influence contour plans

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As discussed above, our charges for are dependant on many factors, therefore please contact us for a bespoke estimate.

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It would be useful to submit with any enquiries any of the following you have available:

  • The geotechnical ground investigation scope / requirements (if known)

  • The proposed site plan

  • A site topographical survey

  • A tree survey 

  • Development details (number of stories, proposed basements etc)

  • A brief description of the current site, ideally with some photos (noting any access or time of working restrictions, current structures present, etc) 

  • The locations of proposed soakaways (if testing is required)

  • Any planning conditions

  • Any other relevant details​

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