The hydraulic drilling rig SR-30 has been specially designed for suiting the following applications: - cased bore piles with casing driven directly through rotary head; - deep uncased bored piles stabilized by drilling fluid or dry hole; - CFA (Continuous Flight Auger) piles by means of long auger string; - it can be converted into DW diaphragm wall base machine to work with a guided grab (GK-5); - MP Micropiling kit available.