Q&A for How to Build a Storm Shelter

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How long should I be in the shelter?

Community Answer

Until the source you have for weather, such as a radio, says the tornado is gone and the storm is clearing up. For a hurricane, wait until the storm is at least a few miles away, and you know the area is safe from high winds and storm surge.

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Question

What kind of ventilation is needed in a building that has no electricity?

Community Answer

There are ventilation systems with in-built filters available which are powered by turning a crank. I would suggest those.

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Question

Do we have to have a city permit to dig an in-ground shelter?

Community Answer

It probably depends on your specific municipality, but it is likely you need a permit to build any additions to your property.

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Question

How can I add wheelchair access to a storm shelter?

Community Answer

You can build a ramp that goes down into the storm shelter.

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Question

How do I prevent the air ventilation from being a weak point in the shelter?

Raif

Community Answer

You can put a small chimney but if it is flooding, you may use an air conditioner without coolant. That way, everything which comes would be filtered and it won't be so cold.

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Question

How deep should a storm shelter be?

Community Answer

It should be at least 10 feet from mean sea level. This will prevent water from flooding the cellar.

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Question

If going outside is a bad idea during a tornado, why would I need to build a shelter?

Community Answer

You would need an underground shelter if your house did not have a basement.

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Question

Is there a door design that can’t be blocked by fallen debris in a storm shelter?

Community Answer

Build a very sturdy carport over the door, but instead of a flat carport, change the roof to a dome. And build the supports at least 30 feet into the ground. And build it out of concrete, and make sure you can still access to the shelter door.

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Question

How do I open a 3 point locking door when it locks with no one inside to unlock it?

Community Answer

Add a lock pad system on the outside and don't lock the other 3 locks on the inside until disaster strikes.

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Question

Would we need to take a light in there with us?

Community Answer

That would be a good idea, unless you already have a lamp, flashlight, or something else stored in there that makes light.

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Question

Could a tornado break the shelter's door?

Community Answer

Yes it can. So, it is recommended to have a very strong door and a room that can also keep you safe, should a door failure happen.

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Question

Is a 24 square foot shelter good for 4 people?

Alarmkid57

Community Answer

It should be good, but it'd be best it if measured more because the smaller size means everyone would have to stand instead of sit.

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