Bunker under my concrete-slab shed? Good resource?
LMT Asked: Bunker under my concrete-slab shed? Good resource?
I've got a 16' x 20' shed with a slab floor.Would like to cut out a square piece on concrete and dig down for a survival/food storage bunker… any ideas?Good resources with illustrations?Video?Thx
I'm not sure that's a good idea.That slab will become a ceiling for the bunker.If it's not properly supported by a foundation and retaining walls it could collapse in on itself.Possibly while you are digging it.
To do it right I would take down the shed, destroy the slab, dig and put in a proper foundation – one that meets the local code, pour a floor and walls, then put a ceiling on it.If I wanted it to be concrete (concrete floor for the shed) I would set up forms and have "PRE TENSIONED" reinforced floor poured.That way the floor will be able to support weight.But you should do the engineering to make sure you are 150% above any load you expect to put on the floor (above the shelter).That way you don't risk any cave-in's.
I'm sure there are videos from survivalists on how to do this.Whatever you decide to do, make sure you don't compromise your safety or the safety of any of your family that might go in there or need to hide in there.
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Yes i agree with Tony, if you dig down like that she could cave on ya, which would ruin the whole structure and it would be a screwy mess. So, do like Tony said and tear it down and have it built to code with the pre-tension stuff poured. Of course, if you doug strait down, not going under the slab, you might be fine. Thats only if you dig STRAIGHT down, if you dig to the sides, it could cave.
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