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Author Topic: Underground  (Read 337 times)
deerstalker
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Posts: 6762


« Reply #15 on: August 19, 2017, 02:23:54 AM »


Be right nice in tornado alley.


Fire prone areas too 
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Bill S
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Posts: 2340


« Reply #16 on: August 19, 2017, 09:02:46 AM »

Wouldn't work all that great in a big fire unless you you have a source of O2 and a really good filtration system.  And air scrubbers.  Otherwise, it just sucks the breathable air out and consumes it and replaces it with carbon monoxide.

Grass fires and brush fires will probably be OK, although you will have to deal with smoke and soot during and afterwards.
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deerstalker
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Posts: 6762


« Reply #17 on: August 19, 2017, 09:24:21 AM »


Wouldn't work all that great in a big fire unless you you have a source of O2 and a really good filtration system.  And air scrubbers.  Otherwise, it just sucks the breathable air out and consumes it and replaces it with carbon monoxide.

Grass fires and brush fires will probably be OK, although you will have to deal with smoke and soot during and afterwards.


Details matter as you say..........

Assuming normal precautions are in place I think it would fair much better than a conventional home Huh?

I was designing some fire shelters a while back & I decided to incorporate an air supply based on using compressed air in cylinders to maintain positive pressure inside the room and prevent the ingress of smoke.

https://en.wikipedia.org/wiki/Atmosphere_of_Earth

Oxygen alone is a bad idea because it increases combustibility.

https://en.wikipedia.org/wiki/Oxygen

https://www.space.com/17338-apollo-1.html

 

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Bill S
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Posts: 2340


« Reply #18 on: August 19, 2017, 05:11:44 PM »

I didn't even consider over pressure.   Roll Eyes

That still wouldn't work for a forest fire, though.  Not sure anything short of a really deep mine shaft would work, provided the mine had it's own air supply.
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deerstalker
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Posts: 6762


« Reply #19 on: August 19, 2017, 07:12:03 PM »

Escape is preferable, but..............

http://www.cfa.vic.gov.au/fm_files/attachments/plan_and_prepare/local-area/PBS_Guide_for_siting_landscaping_use_Dec_2016.pdf
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Quill
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Posts: 4319



« Reply #20 on: August 20, 2017, 02:16:37 PM »

One thing you don't have to worry much about in tornado alley is forest fires.
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What's over the next hill?
Bill S
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Posts: 2340


« Reply #21 on: August 20, 2017, 05:02:42 PM »

Where did you get that idea?  Didn't you notice the news when a pretty good chunk of Tennessee burned down?

I don't have to worry all that much because I'm in a swamp.   Grin  But we were in drought conditions and were under no burn orders for most of last year, from late May through November.
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deerstalker
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Posts: 6762


« Reply #22 on: September 15, 2017, 06:49:46 PM »

A bit more detail............

https://thewest.com.au/news/today-tonight/was-hobbit-hole-house-bc-5546860212001

http://www.abc.net.au/news/2017-07-15/quindalup-man-builds-hobbit-house-to-save-on-energy/8711758

https://sustainablehouseday.com/house-profile-view/?house_id=38261

http://homes.nine.com.au/2017/09/15/13/35/west-australian-hobbit-house-requires-no-heating-or-cooling
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