Drilling Services

GeoLab Competitor rigs are mechanically simple and easy to operate, the rigs are designed for use by a single operator and drilling can begin within minutes of arrival on site.

Because the units are light in weight, site disturbance is minimal, making the Competitor ideal for use at environmentally sensitive sites.

Rig Features

Highly mobile and manoeuvrable
Can be tracked up slopes
Will pass through a standard domestic doorway
Ideal for work on sites with restricted access
- close-up against walls
- inside buildings
- almost anywhere it would by other techniques be difficult to obtain samples

Sampling is achieved by a percussive method. The drive mechanism consists of a chain-driven drop weight that repeatedly strikes an anvil, driving the rods and sample tubes into the ground. The rig can drive sample tubes into all soil types. It is not designed for sampling or coring in hard rocks.

Borehole Testing

Continuous Soil sampling
Undisturbed Soil Sampling, U100
Dynamic Probing (DPH and DPSH)
Standard Penetration Tests
Window Sampling
Windowless Sampling
Installation of Monitoring Wells
Determination of Piling Depths
Location of voids and buried obstructions
Archaeological and other sensitive work

The weight and the drop height are adjustable, enabling Standard Penetration Tests And Dynamic Probing (Lost Cone) Tests to be carried out as well as soil sampling. Blow rates up to 50 per minute can be achieved when driving sample tubes into the ground.

After tools have been driven into the ground to the required depth, they can be easily Extracted using the integral hydraulic jack which has a 7-tonne pull back capacity.

Ground Bearing Determinations
SPT'S and Vanes in-situ
Subsidence Investigations
Water Table Monitoring
Methane Monitoring
Contamination Investigations
Undisturbed Samples for 38mm Triaxials
Sample Recovery for Laboratory Testing.

Other Services

Dynamic Probe testing
Soakage Tests (to NHBC Spec or BRE 365)
Trial Pit Excavation
All laboratory testing carried out in our UKAS approved lab
CBR PLATE BEARING and SRD Testing
CLEA - Defra Sampling Testing (with UKAS and MCert accredited lab) and reporting
Brownfield and Derelict Site Investigations
Concrete Coring