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Geo Environmental Drilling Ltd
Geo Environmental Drilling Ltd specialises in dynamic sampling with windowless and window sampling rigs, with dynamic probe and diamond coring capabilities detailed below:
Window Sampling:
- Windowless sampling (soil samples are recovered in plastic liners) up to 10 metres depth can be achieved using a tracked Dart/Competitor style rig. Depths of 18 metres have been achieved in favourable ground conditions.
- Dynamic probing up to 20 metres deep to BS1377:1990
- Extra large (128mm) casing available for use of U100 sampler
- U38 sampling and Shelby tube sampling for lab geotechnical testing
- SPT’s (Soil penetration testing using open drive shoe) & SPT(C) (Solid Cone) for sand/gravel strata
- Concrete coring off the rig for drilling on hard standing (3 inch to 8 inch diameter)
- Water/gas well installations for long term monitoring (19mm to 63mm diameter pipe available)
- NVQ Level 2 Drillers experienced in logging to BS5930 and Eurocode 7
Hand Held Drilling:
- Hand Held sampling for low head room or confined areas where access for the tracked rig is not possible using a hydraulic hammer to drive the samples into the strata
- Available with both petrol and diesel power packs
- Window and windowless (liner) sampling are both available with the hand held equipment
- Hand held diamond drilling unit (3inch to 10 inch diameter), which is hydraulically powered and useful for determining thickness and make up of walls (horizontal) or vertically, where sites require a lot of shallow cores before drilling
- Hand dug pits for exposing foundations, utilities
- Hydraulic breaker hire (petrol/diesel)
- Hand Augering. The age old but often effective and rapid method for gaining samples in restricted access areas
- Installation of monitoring wells (19mm to 42mm available)
- SVS Surveys (soil vapour surveys) to determine gas presence before drilling on Petroleum service stations etc
- NVQ Level 2 Drillers experienced in logging to BS5930 and Eurocode 7
Remote Drilling:
- The front end/mast of the window sampling rig, with equal capabilities, including cased boreholes, SPT, SPT(C), dynamic probing and liner sampling
- Installation of monitoring wells (19mm to 63mm available)
- NVQ Level 2 Drillers experienced in logging to BS5930 and Eurocode 7
Diamond Drilling:
- Stand alone diamond coring unit (hydralically powered) for holes up to 350mm diameter & to a depth of 2.50m +
- Electric powered dry coring rig (for proving wall thickness and make up)
- Diamond sawing (hydraulic or petrol powered) for cutting through floors and walls
- Hydraulic concrete chainsawing

01 Dynamic probing on power station
02 Subsidence Investigation on the Isle of White

03 Hand held drilling on highway (Northumberland)

04 Cased borehole in church (Bury)

05 10 inch diameter coring in factory

06 Hand held drilling on slope in Newcastle

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