KENNEBEC RIVER SEWER SIPHON CROSSING

  • Project Location: Augusta, ME
  • Services Provided:
    • Geotechnical consulting
  • Project Summary:
    • Project elements included:
      • Directional drilling beneath the Kennebec River
      • Land and river test borings with SPT sampling
  • Project Challenges / Innovation:
    • Conducting test borings along 700 linear feet of the Kennebec River, which were performed using portable drilling methods on top of river ice 1 to 2 feet thick.  
    • Results of the above test boing investigation were used to evaluate the suitability for directional drilling beneath the Kennebec River and for the design of excavations along the river’s embankments.