7 BAUER BG 28 H Drilling Rig Machine In 2008 Trakia-RM Ltd. purchased a drilling rig machine BAUER BG 28 H with the following parameters: СЕ certificate; output capacity power 354 KW; Kelly BK 28/419/3/33 I; hydraulic hammer for metal pilots FAMBO HR 7000; The machine can drill at the following diameters: without casing walls Ø 520 and Ø 720, with casing walls Ø 620 and Ø 820.