Guided Auger Boring

Guided Auger Boring

Pilot Tube Guided Auger Boring (PTGAB) is one of the most popular and cost-effective trenchless methods to accurately install steel casing for underground utilities, waterlines, and sanitary sewers.  This method combines the pinpoint accuracy of the pilot tube installation to control line and grade with the excavation process of horizontal auger boring.


Step One

Step Two

For more information on the GAB method or to learn about our newest innovations in GAB, please contact our experienced sales representatives.

Case Studies

GBM Case Study – Rock Boring

The City of Oshkosh’s annual Capital Improvement Plan included concrete paving, utilities upgrades, an upgraded wastewater pump station, and appurtenant work. The utility upgrades included a crossing that passed under an active rail line in rock ground conditions, to increase the capacity of the sewer.

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