GIANNT MINE SOUTH POND DEWATERING TRAIL
Nahanni Construction was hired by Parsons Inc. to complete a vacuum enhanced dewatering trial program at Giant Mine in Yellowknife, NT. The project aimed to collect information for future tailings dewatering during site closure, specifically tailings cover installation in support of broader remediation activities at Giant Mine. Nahanni was responsible for providing all labor, materials, equipment, tools, power, operations, monitoring and services necessary to complete the program. The project required continuous control of water during the dewatering operation throughout the 28-day trial program. Nahanni also had to put measures in place to prevent the erosion of existing tailings surface outside of the dewatering trial area.
Scope of Services:
- Ground surface preparation, provision of survey, surface water management, installation and operation of dewatering trial system, installation of instrumentation for groundwater level monitoring, monitoring of groundwater levels and tailings moisture conditions during the dewatering and testing period.