• Investigations for H.D.D.
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    Confirming the depth of cover on each crossing practically eliminates the risk of compromising a line. Exact trajectories and depths of installation pathway can be planned in advance.Click Above for More Info
• Subsurface Utility Engineering
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    The Subsurface Utility Engineering (S.U.E.) Process: We provide QLA S.U.E with nondestructive air vacuum excavation and QLB S.U.E. with a array of geophysical instrumentation; survey grade mapping of data is also performed.Click Above for More Info
• Subsurface Utility Investigation
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    This non destructive investigation requires multiple types of geophysical survey to be performed, combined with existing drawings (if any) to produce a physical markup on the ground revealing all subsurface utility features in a given area.Click Above for More Info
• G.P.R. Survey
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    The preferred geophysical survey method for utility investigations; It is used to locate buried lines, storage tanks, pipes and conduits as well as to determine the structural integrity of the ground underneath a road or runway.Click Above for More Info
• Concrete Imaging
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    Concrete imaging is an application used to mark-out position or depth of anything embedded within a concrete structure; these targets include re bar, cables, conduits etc.Click Above for More Info
• Vacuum Excavating
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    Physically exposing utilities with non destructive excavation for the most accurate investigations, Air (hydro also available) vacuum excavation provides QLA subsurface utility engineering (SUE) data; determining the precise vertical, horizontal, size and type of the utility for accurate planning and cross section of the object exposed.Click Above for More Info

Investigations for H.D.D.

Confirming the depth of cover on each crossing practically eliminates the risk of compromising a line.  Exact trajectories and depths of installation pathway can be planned in advance.

Services for (HDD) Horizontal Directional Drilling
Many horizontal directional drilling (HDD) companies choose to (or would certainly prefer to) visually confirm all utility and pipeline crossings before boring.  Utilizing our investigating techniques for horizontal directional drilling jobs can be extremely productive and save the contractor time and give you the confidence the drill pathway is clear. A 10” diameter daylight of every utility crossing can be verified ahead of the horizontal directional drilling procedure,  giving you exact depths of cover and allowing for faster setup and bore times. 3D imaging(link to page) is also a useful technique for HDD drilling, giving you a 3d representation of subsurface infrastructure before your drill brakes ground.

•  Clear drilling pathway for subsurface interferences
•  Soil profile investigation for HD
• Drilling mud removal via vacuum excavator 
• Identify utilities for avoidance during excavation/HDD