BM 500

Main application:

Guided auger borings in a two or three phase procedure (pilot bore, extension bore with steel casings / product pipes with inner casings, jacking of product pipes or alternative extension bore and jacking of product pipes at the same time).

Pipe diameter:

ID 300 up to ID 800 (12"/32")
Max. OD 1000 mm (39")

Ground and ground water conditions:

Displaceable soils of the classes LNE 1 to 3, LNW 1 to 3, LBM 1 to 3 and LBO 1 to 3 according to DIN 18319 up to SPT ≤ 35. Operable under ground water. Single stones up to a max. graining of approx. 80/120 mm (3.15"/4.7") can be conveyed during the reamer drilling.

Drive lengths:

Up to 80 m (262 ft)