Underground Shelters
CSP has a long history protecting people and materials underground.
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Portals
Descending deep into the earth at slopes in the 15% range corrugated steel mine portals safely transition the critical zone from surface to solid rock for the safe movement of miners and materials.
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Storm Shelters
Where are you going to go when a tornado, hurricane, terrorist, cave in or major catastrophe presents itself? CSP storm shelters have a long history of providing immediate protection from danger.
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Underground Arch Chambers
Underground arch chambers with very little visible above ground were built of structural plate corrugated steel pipe to give safe shelter to troops and ammunition during the Second World War.
