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Not Dead Yet.
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Jul. 18th, 2008 @ 11:41 am I Remember Skies Reflected in your Eyes
I heard the sound and had to follow,

but got a bit sidetracked...

fOX hOLE

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From:fourgates
Date:July 18th, 2008 04:54 pm (UTC)
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What are you going to do with all that concrete mix?
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From:senseless
Date:July 18th, 2008 11:36 pm (UTC)

It's Top Secret!

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From:fourgates
Date:July 21st, 2008 02:07 am (UTC)

Re: It's Top Secret!

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I didn't realize how extensive it will be. I kinda thought you were just making a 100 sq ft chamber. This'll be much more fun!

Do you have a ground source/ geothermal heat pump?
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From:senseless
Date:July 22nd, 2008 06:47 am (UTC)

It's like a cave.

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It stays about 68 degrees year round. The humidity is high now cause of the water I use to pump out the sand but after it sits a year it will be dry as a bone again down there.

There's a 22 foot thick seam of clay sitting on top of the water table that is pretty water impervious.
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From:fourgates
Date:July 23rd, 2008 12:01 am (UTC)

Re: It's like a cave.

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It stays about 68 degrees year round.

A ground source ("geothermal") heat pump dumps hot or cold into the ground (instead of into the air) via a series of pipes typically run vertically in closed loops, so it doesn't matter if it's water-permeable or not. You'd usually need around 100-200ft of depth per ton of AC capacity, and the loops usually max out at 200ft depth. Throwing indoor heat or cold into neutral (ground temp) is more efficient than throwing indoor heat into outdoor hotter (summer cooling) or indoor cold into outdoor colder (winter heat) -- that's where the savings comes from.
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From:senseless
Date:July 23rd, 2008 10:19 pm (UTC)

Got Ya

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Yes I had asked my heating cooling guy about doing that and putting the coils in the lake but I don't think he felt real comfortable doing that mostly because of doing do so few of them, and he did my system at cost but in retrospect, this all would have been easier to first dig a hole for the bunker, lay the coils, build the bunker then the house LOL.
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From:senseless
Date:July 23rd, 2008 10:23 pm (UTC)

Ps

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The bunker itself stays cool like a root celler so I hadn't thought much yet in terms of weather (pun) I'd heat and cool it. If I just do the small one I've planned I won't cause it's basically just for emergencies and a fan keeping the air moving is all I'll need but if I ever get anywhere in my quest to get Discovery Channel to take me seriously on the big one geo thermal is most likely what I'd go with.
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From:fourgates
Date:July 25th, 2008 08:52 pm (UTC)

Re: Got Ya

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You have a lake nearby?! Well heck I'd be really tempted then. :) Or next time...
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From:senseless
Date:July 25th, 2008 10:15 pm (UTC)

Yeah It's about 275 acres

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That's a lot of Calories...

Foggy
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From:senseless
Date:July 25th, 2008 10:17 pm (UTC)

PS

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Ponder this...

I've dug down deeper than the lake is high...