Rotary Percussive, Odex, Symettrix, Supa Jaws, Elemex
When hard strata, boulders, rock or man made obstructions are encountered and conventional driven, auger or CFA methodology cannot be used then our rigs can be equipped with pneumatic Down The Hole Hammers (DTHH).
Temporary or permanent casings can be used from 3-4mm to 22.5mm wall thickness.
The Odex, Supa jaws, Symettrix and Elemex are casing advancement techniques that advance the bore and simultaneously pull down a follow-on casing which supports the side of the bore. The bore can then either be driven on to good strata or Rock sockets formed through the base of the casing to achieve higher lateral and tension capacity.
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