Applied Professional Services: Air/Vacuum Utility Potholing

Standard traffic control setup
Safely expose underground utilities
  • Applications:
    • Pre Design
    • Exposing Utility Conflicts
    • Soil Borings
    • Directional Boring Test Pits
  • Some of the Utility Information Recorded:
    • Depth to top of Utility
    • Depth to Bottom of Utility
    • Utility type and size
    • Standard Utility Marker
    • Road surface thickness
    • Subsurface composition

SUBSURFACE UTILITY ENGINEERING (SUE)

We utilize a revolutionary technology called Air/Vacuum Excavation to locate, expose and map facilities. Air/Vacuum technology is employed to quickly and efficiently move soil from the test hole to holding tank on the truck.


Location & Surface Opening:
Utilities are designated and marked using highly specialized electromagnetic and radio frequency instruments. Then, a 12 inch square opening is made just above the utility area.

 



Exposing (daylighting):
The buried utility is uncovered via air vacuum high pressure "Airlance" which loosens the soil around the utility - without damaging buried facilities.

 

 


Soil Extraction (Air/Vacuum):
A powerful air/vacuum pulls the soil out of the exposed area and deposits the material in a large mobile tank.

 

 


Depth Measurement & Mapping:
With the utilities exposed, depth can be verified, and mapping/surveying activities can be accurately performed. Air/vacuum methods help achieve desired results, especially critical with the increasing emphasis on trenchless technology-directional bore construction.

 


Result:
Utilizing Air/Vacuum technology, the entire process takes approximately 45 minutes per hole, is completely safe and environmentally compliant. The only evidence of APS' presence is a 144 square inch (or as in this case, round) patch.