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A & I Geotechnical Ltd

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A & I Geotechnical Ltd prides itself on a professional level of geotechnical support in the field and in the office. We have experience in a variety of high risk and sensitive environments including: oil terminals, refineries, nuclear power plants, rail, airports, schools, roads and hospitals. Over the years we have worked closely with drilling companies and consultants throughout the UK to develop a network of support. This ensures that your project can be delivered regrdless of size, sensitivity and complexity. A comprehensive list of services is detailed below.


If you have any queries about the services we provide, wish to enquire about availability or receive a quote,  please do not hestitate to CONTACT US.




Dynamic Sampling and In Situ Testing (DART rig)



On site In Situ Testing




Site Supervision / Project Management



Soil, Rock and Masonry Logging




Machine and Hand Excavated Trial Pits


Geotechnical Laboratory Testing



Geotechnical and geoenvironmental sampling and testing to approximate depths of 10.0m (dependent on ground conditions). Concrete diamond coring. NVQ Level 2 in Land Drilling. BDA Member.


We can offer a wide range of in situ tests including but not limited to: Plate Load, CBR, DCP and have excellent relationships with testing laboratories for more specialist testing.



Previously Senior and Principal Engineer overseeing the technical and commercial aspects of contracts with values ranging from £1k to £3.5m. Valid SMSTS, CSCS, CAT and Genny certification.


Logging of retrieved samples to current standards (EN ISO 14688, 14689, BS5930). Can provide RMR for geomechanical assessments. Exposure mapping. Logging of machine and hand excavated trial pits.


Logging and sampling of trial pits / slit trenches in a variety of environments for geotechnical / civils purposes.


Experience in the selection, scheduling and analyses of geotechnical and geoenvironemntal testing based on ground conditions and anticipated end use.





Archway Dart Lightweight Tracked Dynamic Sampling Rig



TRL Dynamic Cone Penetrometer



Hand Held Dynamic Sampling Equipment



Hand Held Testing Equipment


Support Vehicles


Hire Plant / Subcontractors



Lightweight (785kg unladen) tracked rig with 10m of standard geotechnical sampling equipment including casing and variety of barrel sizes. DCP (DPSH) equipment. Concrete corer (150mm only - access to larger diameters can be arranged).



Hand held DCP for shallow in situ testing.



Standard sampling barrel extensions for use with portable hydraulic power pack in difficult access areas.



Hand Vane, Pocket Penetrometer.


4x4 Hilux and trailers when required.


Wide array of contacts throughout the UK for all hire plant / subcontract requirements.

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