Description

The #1 threat during the excavation of a new tunnel is in rush of water. The uncontrolled water can wreak havoc on an operation if conditions aren’t meticulously and continuously monitored. 

The best prevention method is ensuring groundwater with a high inflow rate doesn’t drain through a tunnel interior and should be channelized. At GCPL, our veteran engineers have highly precise methods of doing just that.

Risk Faced

  • Shear zones
  • High in-situ Stress
  • Problematic Soil / Water
  • Weak Rock
  • Difficult to quantify and uncertain
  • Limited working access to mitigate
  • High risks during construction
  • Great uncertainties with high risks for Long and deep tunnels
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Challenges

  • Rock Type
  • Water source availability
  • Seismicity
  • In-situ Stresses
  • Strata Orientation
  • Shear Zones
  • Thrust Zones

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Expert Spotlight

"Our underground experts like the fact that there’s nothing straightforward about building a tunnel."

"With respect to Quality, we have a no-nonsense approach.  We expect a job to be done right the first time. We feel that earning trust by doing what we say we’ll do is the only way to conduct business."

"We know that our focus on Partnering and insistence on teamwork pays off."

"Our open communication at the field activity level has been noted by all types of construction
personnel."

"Throughout our 10 years in this industry, GCPL has worked on many complicated, sophisticated,
and cutting edge projects. Each of those projects led us to find innovative solutions to unique
problems."

"We know that not all project requirements are black and white, and occasionally that “special” project will require a contractor to think outside the box."

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Mr. Sanjay Aeron

Managing Director