How Deep Can Ya Dig?

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How Deep Can Ya Dig?

Postby DoG » Tue Oct 07, 2003 9:37 am

How deep can you dig a hole for a pole? No, this is not a joke :evil: I want to build a structure on the playa with 6x6's and would like to place them at least 4 feet deep. Possible?
Muchas Gracias a Todos

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Postby Skyhawk » Tue Oct 07, 2003 9:53 am

From the "protecting the environment" page
http://www.burningman.com/preparation/event_survival/protecting_the_environment.html

Digging Holes

Do not excavate holes in the playa. Small postholes (6 inches or less in diameter & less than 2 feet deep) used for structural support are the sole exception. When digging such a hole it is best to use an auger or a posthole digger, NOT a shovel. Bag the dirt you are removing so that it does not blow away in the wind. Refill the hole by carefully tamping the soil back into place. Repeat this process every few inches while dampening the soil. An inverted sledgehammer works well for this. Experience has shown that larger holes, sometimes used to sound-insulate generators or for pools, easily erode within a year's time, even when carefully backfilled. They leave a visible mark and create a serious safety hazard.
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Postby Badger » Tue Oct 07, 2003 10:05 am

Take the above quote seriously.

NOTHING deeper than 2 feet deep.
.
Desert dogs drink deep.

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Postby Skyhawk » Tue Oct 07, 2003 10:09 am

and go with 1 foot if you can get away with it.. etc, etc.. or get more creative and find a way to stabilize a structure without a huge piece of wood in the ground.. how about a grid of rebar candycanes holding a wide flat wooden "foot" for that column.. the possibilities are out there..

its not a limitation, its an encouragment to creativity..
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Postby Bob » Tue Oct 07, 2003 10:04 pm

Digging posts in two feet can help pin the bottom against sideways movement, but you could also drive a few 3/4" dia steel stakes (concrete form stakes) around the base of the posts, attach with duplex nails or deck screws, and wrap with two-strand fence wire. Or T-stakes (steel fence posts), angle iron, etc. Or weld up a steel base plate, and fix it to the ground with stakes or car axle shafts. Brace or guy off at the upper part of the posts, whether they're dug in or not.
Amazing desert structures & stuff: http://sites.google.com/site/potatotrap/

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