A major tailings inflow in an underground drainage tunnel, which peaked at approximately 7,000 l/sec needed to be sealed.
Solution
Provided technical grouting expertise during plugging of drainage tunnel located 500 feet below abandoned open pit filled with tailings using cement grout, polyurethane and hot bitumen grouting materials.
Photo Gallery
The 45 tons capacity crane installing 4” diameter pipe in
the drill hole.
Water pressure testing to determine pump
pressure and amount of cement grout required
Bitumen grouting installation
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