Equipment

Akkerman Inc.

The GBM 240A is the industry-leading pilot tube system for accurately guiding horizontal auger bore equipment. With hundreds of systems being used globally, industry leaders rely on the accuracy and versatility that the 240A adds to their trenchless toolbox.

Features:
  • Establish line and grade accuracy critical for gravity flow installations.
  • Adjustable base frame adapter fits all major auger bore machines.
  • Minimize project cost by reduced casing diameter requirements.
  • Achieve longer auger bore installations with straight alignments.
  • Avoid tripping augers to survey alignment and adjust for deviations during standard boring.
  • Probe for obstructions or detail changing ground conditions along the alignment during the pilot tube installation.
  • Utilize for several other trenchless installations such as guided pipe ramming, guided reaming, probing, pipe roofing, foundation securing, geothermal, etc.
  • Utilize as a stand-alone system in a 10-ft shaft to direct install product pipe up to 24in OD.
  • Installs pilot tubes in a wide range of ground conditions including rock.
210a-3

GBM 240A Jacking Frame

Specifications
ModelTorqueThrust/PullbackWeight
240A10,500 ft-lbs.100/50 ton4,500‐lbs.
ModelHPHydraulicControl
P4075D75hp Diesel(2) – Variable PistonRemote Pendent
P100E100hp Electric(2) – Variable PistonRemote Pendent
ModelHPPumpCapacity
1525B/D20hp Diesel10gpm / 2,500 psi525 gal.
1525B/E20hp Electric10gpm / 2,500 psi525 gal.
1325B/G14hp Gas6gpm / 2,500 psi325 gal.
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Testimonials

Lithos Engineering is focused on providing tunnel design and construction management for underground construction projects across the United States and has worked with many different tunnel contractors on projects of varying sizes and complexity. I am always happy
to see Akkerman equipment on our project sites and I know we can rely on Akkerman products for a high level of performance and reliability.

I had the pleasure of working with Akkerman on one of our projects for which they designed and constructed a project specific hard rock TBM for a curved water conveyance tunnel high in the Rocky Mountains of Colorado. Akkerman not only provided great solutions and technical support for the project but was a pleasure to work with in a collaborative teaming environment that allowed us to not only reduce project risks but reduce construction costs and schedule. During that project, I visited the Akkerman production facility to inspect the TBM under construction; I was extremely impressed with the Akkerman management, staff, and systems for quality control. I look forward to a long future of working with Akkerman and their products on our tunneling projects.

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Tunneling