Guided boring machine (GBM) - ø 102 - 1 219 mm
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Akkerman’s Guided Boring Machine (GBM) method, also known as pilot tube microtunneling, offers customers extended and accurate drive lengths in various ground conditions. The GBM provides the spoil removal process of the auger boring machine and the same level of accuracy as traditional microtunneling—all in one compact, multifaceted system. The pipe installation involves a three-step process where launch and reception shafts are strategically located to minimize surface disruption. Three robust jacking frame configurations are available to meet contractor’s needs. Akkerman GBMs are used in conjunction with a theodolite guidance system to provide accurate pipe installation. Akkerman manufactures GBMs for installation of pipe in the 4" - 48" (102 - 1,219 mm) OD range in displaceable soil under 50 blow count.
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