Rubble foundations

[William J. Parker]

marcos at ichips.intel.com wrote:
> 
> I am looking for instructions on rubble foundations.
> 
> What I have thought is:

> 2. Make a mixture of 3/4 minus basalt gravel and mason sand.  Place this
>    mixture in the trench.  Compact the basalt gravel/sand mixture as you
>    go along.  Fill the trench to ground level.
	
	You might consider perforated drain pipe in the bottom. I don't think
you want to use sand it will tend to catch any debree and plug up stick
with large size gravel I think Frank Lloyd Wright recommended 3" to 4"
rocks.  > 

> 3. Start first course of stabilized (waterproofed with cement or asphalt
>    emulsion) adobe bricks.  The number of waterproof bricks should be enough
>    so it is 6 inches high.
> Or rock or rammed earth tires.
> Am I correct?  I welcome any suggestions or corrections.
> 
> Thanks,

-- 
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