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Sand Filler

Fill stopes with sand to prevent cave-ins.

What does a Sand Filler do?

Fills stopes with sand to prevent cave-ins of ground surrounding worked out areas: Opens pipe valves to pump sand, waste minerals, and water resulting from treatment of ore, until stopes are filled sufficiently to support walls and roofs. Switches flow from one stope to another to allow time for water to drain off. Plugs holes and cracks in stope with burlap bags and scrap timber to prevent sand from leaking out when dry. May install temporary pipelines from slurry main to distribute slurry in several stopes consecutively.