On Tue, 24 Jul 2001 09:22:59 EDT, K7LXC@aol.com wrote:
>In a message dated 7/24/01 12:43:12 AM Pacific Daylight Time,
>labradley@mindspring.com writes:
>
>> Here in Texas we have a lot of rock. The only way to insert ground rods
>> vertically is to drill
>> and with 16 foot separation I would have a lot of rock holes to drill!
>
> You can also put ground rods in horizontally in the case of rocky 'soil'.
>Obviously go as deep as is practical but even if they're only a foot down
>they will be helpful.
>>
>> For my tower I use 9 radials of 1.5" copper in a two foot trench. No
>ground
>> rods.
>> Do you think that would be adequate to run around the house for grounds?
>
> Would what be adequate? I'm not sure what you're referring to. You mean
>more radials around the house or hooking everything together or...?
I meant deep buried radials w/o ground rods compared to horizontal ground rods
with
shallow connecting radials or wire for the house part of the system.
> Copper strap is better than wire since it gives you more surface area for
>earth contact so it's the preferred material for rocky soil.
>
> Since you're in a high lightning area I would add some horizontal ground
>rods to the house part of the system.
>
>Cheers, Steve K7LXC
>Tower Tech
Larry Alkoff N2LA - Austin TX
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