Impala Canada – STMF/ETMF Underdrain System

Sector:
Civil Engineering
Geotechnical
Mining

Project Summary

STMF/ETMF Underdrain System (2020-21)

As part of the expansion process of Lac des Iles Mine, additional tailings storage capacity was required. The approach is a series of upstream and downstream hybrid raises which required underdrains to control dissipation of porewater pressures. CSL’s roles in the project:

  • Construction Layout Services
  • Support As-built Drawings
  • Senior Geotechnical Engineering Support for Excavation Safety
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