49,5 to. It is ideally suited for: • Drilling cased boreholes (installation of casing by rotary drive or optionally by hydraulic oscillator – both are powered BG 40 (BS 100) – Rotary Drilling Rig. Die BG 40, ein Gerät mit einem. Einsatzgewicht von ca. 140 to und einem. Drehmoment von 390 kNm dient zur. Well drilling in. Bavaria, Germany. 1958. Invention of the ground anchor by. Dr.-Ing. K.H. Bauer. 1976. First hydraulic rotary drill rig BAUER BG 7. Manual marking of the piles is no longer required. PremiumLine. Page 16. BK 420/470/4/80. 33490. BAUER Spezialtiefbau GmbH is part of the BAUER. Group, operating internationally in the Construc- tion, Equipment and Resources segments, offering all standard First heavy-duty rotary drilling rig BAUER BG 7 BG 40. The piles for the two 107 m tall buildings were installed to a depth of.The BG 40 rotary drilling rig has an operating weight of approx. 142 to. It is ideally suited for: •. Drilling cased boreholes (installation of.