[TowerTalk] Base equivalent

[Jim Lux]

On 1/11/14 6:53 PM, Mark Robinson wrote:
> A ham in Florida (which has a high water table) just had a big hole dug
> for his tower. The company used what is called a well  point.  It is
> defined here
>
> http://dictionary.reference.com/browse/well-point
>
>

Another strategy used on large excavations is to pump liquid nitrogen 
into the soil and create a frozen barrier to water infiltration.