A Vermeer horizontal drill can go hundreds of feet underground.
John KK9A
Ken Alker ka6ken wrote:
If you decide to do option #1, there is a company in Santa Barbara that I
hired once that owns a "pig" or "torpedo" or "mole" (pneumatic-powered long
slender hammering device that look like a giant bullet) they use to bore
horizontal holes underground. You did not state how far you need to go,
and I'm not sure how far they can bore, but this is likely an option.
First they dig a hole in the ground that is probably five or six feet long
and couple of feet wide. Depth depends on how far you want your conduit
submerged. Then they drop their boring device into the hole and they hook
an air compressor up to it and it starts pounding its way across your yard.
I believe I paid about $1000 to get this done and it took an afternoon to
go maybe 60' under a very large patio. That said, it was for a non-profit,
so I may have been given a pretty good deal. I also knew the contractor.
That said, if you can locate a company like this in your town (they often
work for the cable company or ISP or telco or electric company or gas
company laying fiber, pipes, etc.) that might want some weekend work then
maybe you can strike a deal that is within your budget. Keep in mind that
it will break things in its path like irrigation lines.
Ken
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