VAULT DWELLERS SERVED

Thursday, August 6, 2009

9 Minutes Of ITZ Analysis



Note that people survived in underground shelters as little as fifty meters from ground zero despite having neither blast doors or protective gear. Just a single turn in the entryway gave them almost immunity from the initial gamma pulse, the deadliest part of the radiation emitted by an atomic weapon. People who were aboveground and much farther away died inside of a half an hour from that same gamma dose.

During the blitz in London, the Anderson shelter preserved the lives of people underneath collapsed buildings and in the middle of raging fires. This shelter was nothing but a piece of galvanized steel in an arch with some dirt on the roof.

2 comments:

JeffreyJerpp said...

Tex,

I recently acquired access to a basement underneath a parking garage, which is itself underneath a building in Washington, DC. The mouth of the garage opens somewhat near the door to the basement, although there are two sets of doors, and the first is set about 3.5 meters below ground. In your opinion, if I occupied the basement during a direct hit scenario, would I stand a good shot of survival, or would the building collapse/radiation get me? Does this differ for a neutron bomb?

Texas Arcane said...

Aside from the fact it is ground zero, that sounds like a pretty solid deeply buried and shielded structure.

If you were serious about sheltering in place there you'd do well to shore up that door and add enhanced shielding mass to protect you from reflected radiation. If I had to use that location as my shelter I would invest in blast valves and airtight seals for the ventilation.

There is always the danger of a burning building collapsing on top of you or choking you from smoke inhalation.

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