[Cob] Level Rubble Trench

[Kim West]

I used a level on mine--but didn't make it level. I made mine drain. If you
make it level it will collect water and that could be disastrous for a cob
building. To make it drain you just dig and check until the bubble is off
center toward the direction you want to be higher. After getting it to drain
we added a layer of gravel, tamped it, then put in drain pipe that I also
made sure was draining. Then we filled it to near the top, tamped it, laid
some rebar, and had a concrete beam poured on top of that. We put large
rocks into the concrete before it set then waited a week or so before
starting the rest of the plinth.

Hope that helps.

Kim


----- Original Message ----- 
From: "Pack McKibben" <gakayaker at yahoo.com>
To: "Cob_List" <coblist at deatech.com>
Sent: Friday, January 23, 2004 5:33 PM
Subject: [Cob] Level Rubble Trench


> I'm digging a rubble trench for an earthbag foundation that is
> an experiment for future cob building. This is a first for me.
> I need some tips from experienced foundation builders on how
> to level the trench from back to front, side to side. I bought a
> water level from the local hardware store and plan on using
> stakes, marked in inches, to help me level the trench. Does
> anyone have other tips. Go to www.owlswamp.com/shed.html
> for more details and some pictures.
>
>
>
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