Michael:
Thanks for the reply. What we have hit is granite ledge, which is non
poundable. I think the boring machine will be needed.
Frank Carlson
From: apple-crop-boun...@virtualorchard.net
[mailto:apple-crop-boun...@virtualorchard.net] On Behalf Of Michael Vaughn
Sent: Wednesday, May 23,
Quarter stick dynamite.
Sent from my iPhone
On 23 May 2012, at 01:35 PM, Frank Carlson fcarl...@carlsonorchards.com
wrote:
Michael:
Thanks for the reply. What we have hit is granite ledge, which is non
poundable. I think the boring machine will be needed.
Frank Carlson
From:
Frank,
Ours is a very ledgy site; shale loam, with emphasis on shale. We've been
working with a fencing contractor who resorted to pre-drilling each hole with a
rock drill before pounding in posts (metal or wood). No failed posts, most got
about four feet in.
I'd also be a bit extra
Frank:
Last week I was looking for info on drivers and diggers and found one
of interest, linked below.
The video shows a driver pounding a pipe into a rock quarry. No
further description. I wrote
the danuser company an email inquiry but have not received a reply.
The Danuser Hammer is