Pipe Jacking with Open Shield (Group VO and VOD)

Hans Lemme Hoch-, Tief- und Stahlbetonbau GmbH & Co. KG owns Open Shield machines for manned pipe jacking in the nominal diameters of ID 1200 up to ID 3100 which can be used also under air pressure with combined personal and material air locks from ID 1600 and higher. For the excavation of the soil there are scrapers as well as grabbers available, for the soil transport the company uses wagon and slurry transportation systems.