[TowerTalk] ground rod depth problem due to rocky soil -- solutions?

[n8de at thepoint.net]

Ground rods  to NOT have to be driven VERTICALLY DOWNWARD ... just  
INTO the soil.
73
Don
N8DE


Quoting Mat Eshpeter <kk1c at live.com>:

>
> I am finally getting around to putting up my 60' AN Wireless tower   
> on top of a rocky ridge in WV. I rented a Hilti demo hammer and got   
> about 1/3 of my rods in to the ground at least 4' -- but the   
> majority are only 2 or 3 feet deep because of the rocks/ledges. I   
> don't think I have much of a choice other than to cut the rods off   
> and drive the remnants into the ground field and exothermically weld  
>  my 20 gauge copper strap to all of these shallow rods.
> Other than paying big money for a well drilling rig to drill some   
> deep 6" holes and filling them with bentonite (which may not be   
> possible given the slope of the land and the fact that I now have 8   
> trenches running 75' out from the tower pad) do I have any other   
> practical alternatives?
> tnx,Matkk1c
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