The Crossing Group provides a full range of trenchless construction services to pipeline, utility and construction clients in Canada and the United States.


Horizontal Directional Drilling is an accurate and efficient trenchless solution that utilizes steerable drilling technology. Our extensive fleet of heavy and light HDD rigs allow us to install pipe and product lines over great distances (up to 3,000 m/ 9,843 ft) without the need for continuous excavation.


Tunneling is used for crossings of shorter length, and is suited for large diameter installations. We offer a wide range of tunneling services and will recommend the one that is right for your project and ground conditions.

There are a number of factors that come into play. We’ve developed the following chart as a rough guide. For an accurate, professional assessment, please contact a Crossing Group company.

  • Crossing Length
  • Product Line Diameter
  • Soil/Formation Type
  • Required Precision (Alignment and Grade)
  • Product Line/Casing Material (eg. Steel vs Polymer)
Crossing Group
Trenchless Service
Best Suited To: Product Diameter Continuous
Installation Length
Horizontal Directional Drilling Longer crossings at deeper depths for a wide range of product line diameters. Most soil types/ formations. Max 152cm (60”) Max 2,500m (8202′)
Direct Pipe Simultaneous bore hole excavation and installation in nearly all ground conditions. Max 152cm (60”) Max 1,000m (3280′)
Horizontal Auger Boring Installing and cleaning steel casings 305 mm – 1.8 m diameter (12” – 72”). Boring through solid rock. 60 to 182cm (24” to 72”) 25 to 100m (82′ to 328′)
Pneumatic Pipe Ramming Installation in wide variety of soil types, at any angle. 60 to 365cm (24” to 144”) 50 to 175m (164′ to 574′)
Guided Boring Tunneling applications requiring grade and alignment precision. 30 to 365cm (12” to 144”) 50 to 175m (164′ to 574′)
Down The Hole Hammer Drilling through rock, large cobbles and overburden. 60 to 365cm (24” to 144”) 50 to 125m (164′ to 410′)
Slip Boring Situations where it is preferable not to leave steel casings in the ground. 5 to 106cm (2” to 42”) 25 to 150m (82′ to 492′)
Tunnel Boring/Pipe Jacking Installations with strict alignment and grade tolerances. 1 to 15m (3′ to 49′) 200m to 800m (656′ to 2624′)
Horizontal Directional Boring Thrusting through challenging formations such as shale and sandstone. Max 711mm
Max 200m


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