Canadian Zinc Corporation - MV2021D0005
To develop a new exploration decline from the existing 880 m level, including pumping, treatment and discharge of water inflows, use of the existing water treatment infrastructure and Polishing Pond, and placement of waste rock on a waste rock pad near the 870 m level portal. Also, the use of water from local sources for surface exploration drilling.
Operation of a mine and mill processing ~2,400 tonnes/day supported by a camp for ~180 personnel during normal operations, and up to 300 personnel during construction. Drilling and blasting underground. Temporary surface storage of tailings, followed by underground backfill. Placement of waste rock in a permanent surface pile. Temporary storage of mill water and groundwater intercepted underground in a storage pond, recycling of mill water and controlled management and release of the intercepted groundwater to the environment.