Boreholes are drilled using rotary mechanical boring machines that are able operate in all ground conditions. The machinery is operated to ensure the highest possible recovery of bored volume
Drilling Equipment
One mobile drill (B57), mounted on a Bedford 4-wheel truck (USA)
One Zalzgitter SG 750 machine (Germany)
Two Bauer UBW 08 S Universal multi-purpose drilling machines (Germany) with Domin vibro rotary drilling heads (France)
Five Atlas D750 drilling machines (Sweden)
Sampling
Single Core - Double Core barrel – Mazier Sampler with plastic lines – Densen Sampler
Field Testing
All testing in accordance with ASTM or BS standards.
Field Testing Equipment
Standard penetration test with automatic release hammers (USA)
Field vane equipment (Norway)
One Menard pressure meter apparatus (France)
One 20-ton CPT machine, truck mounted (Netherlands)