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Old 04-27-2012, 12:42 PM  
mudmixer
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CallMeVilla -

FEMA makes the "safe cell" recommendations on line for free.

Steel does not work for tornadoes, but it might be adequate for seismic problems.

When it comes to life safety and tornadoes, the process is not cheap, but it provides real life safety if the the suggestions are carried out completely. Don't skimp on the door hardware and wood or wood construction is generally not acceptable unless it is 3/4" plywood sheets sandwiching a steel plate for walls (studs at 12" o.c.), but wood is not acceptable for foundations or roofs/floors.

I have been through many shakes (Northridge, CA and others) and few hurricanes, but nothing is close to living through a direct hit by a tornado as far as an experience and a near miss is even better. Some theme park could try to create a tornado experience, but it might be too scary and the liability too great.

Dick



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Old 05-03-2012, 06:06 PM  
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Every year we here about house being taken off the foundation and people being killed, we also see people that just got lucky by hiding in a closet while the roof was removed. I understand that there is a code and that is great but alot of people can not afford it.
Evan if you build to code, it only gives you a higher chance, there are no garrentees.
There must be things that folks could do for a few hundred bucks that would give a little protection.



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Old 10-17-2012, 06:03 PM  
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Villa; I think that is a great idea and we could do it right here I am sure.
I decided to bump this thread because the number of views, it does show interest.
I am all for doing things right and to code but in this case, I am bothered when I here of someone hiding in a closet or bathroom. That said there are people who can't aford to live in a house with a safe room and maybe would like to do something about it.
If we figure that people in their safe room have a high chance say 90%, nothing is perfect. And the guy in the closet has a low chance say 5%, some survive. Can we not have a discussion about bringing the closet up 30% or what have they.
BTW, Oldog?

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Old 10-17-2012, 06:25 PM  
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I did get rid of some of my junk...not all.

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Old 10-17-2012, 06:33 PM  
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Some of my junk is important to me too. I'm not sure I would protect it with my life.

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Old 10-17-2012, 07:51 PM  
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The numbers are not too bad
http://www.stormhorizon.org/weather-fatalities.html
but some areas are worse than others.

The only close-by tornado I've heard of snapped off the chimney and dropped it into the living room. A mess, but no personal injuries.

An 80" long (the height of a doorway) steel or reinforced concrete pipe with a 3' ID seems like a good one-person shield against high energy high speed projectiles. The curved surface will deflect all but a dead center strike.

Getting into and out of it may be difficult for some people and you may want an oxygen canister if a lot of dust will be raised.

Without water you can last 10 days, the absolute max I've ever heard of. With water and no food, weeks.

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Old 10-17-2012, 09:15 PM  
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Wuzzat -

What you have heard about from a near-by tornado means nothing. The real numbers show that major reason for fatalities is due to projectiles and not a few chimneys failing too early. There are some drownings when people are sucked out of a basement like they did 10 miles from me.

How do you get out of a 3' concrete pipe (if it was not blown away)? Any debris will trap you and that is why FEMA suggests that the door should open inward to allow exiting after the brief storm.

People that have actually been in or near tornadoes take them seriously and usually have some plans for temporary safety if the twister wipes out the homes on the other side of the street (mini tornado).

Tornado shelters are not for long tern survival because the storms are unpredictable, strong (many times worse than hurricanes or straight line winds) and of very short duration. A pipe stuck in the ground with some scrap and cars on it would not be noticed when other survivors try to survive and clean up.

Dick

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Old 10-17-2012, 09:55 PM  
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So should people grab their airhorn while they are headed for their hiding place.
Like the air horn in a can that dynomite people use.

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Old 10-18-2012, 12:02 PM  
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Mudmixer, can you recommend design guidelines for tornado protection methods, from the bare bones to the deluxe?
Just like insurance, the more safety you get per dollar is the better value.

Meanwhile I'll try to find what kind of PSF a 250 MPH wind exerts.

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Old 10-18-2012, 01:23 PM  
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Lots of questions and answers here.
http://www.depts.ttu.edu/weweb/shelters/faq.php



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