Underground Bunkers

Underground rock crusher 


Underground Bunkers and Surge Bins

Underground bunkers are used in the mining industry to regulate and control the flow of material to the surface. They are basically large vessels or containers that can store large quantities of material in the event of production surges, thus allowing the material to flow out to the surface at a fixed or variable rate that can be handled.

Bunkers can be constructed in various capacities and can be a sophisticated mechanical unit, or just a simple free fall hole in the ground.

We have constructed both types- Mechanical bunkers up to 2,000-ton capacity and Free Fall bunkers up to a 10,000-ton capacity or surge bins as small as 900 tons.

Lets us know your requirements on surge problems and we will endeavor to solve them for you.

Feeder outlet from a glory hole.

Underground bunkers


 Bunkers Project Gallery


COWIN & COMPANY, INC. 301 Industrial Drive . Post Office Box 19009. Birmingham, Alabama 35219-9009 . 205-945-1300

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A Leader in Mining Construction Since 1924