Ralph,
Contact your local HILTI representative. They have all sorts of equipment that can drill this type of hole. I had a similar situation where we used a HILTI rotary percussion drill mounted on a tripod and once it was set up it took only about 30 seconds to drill each hole. This was a large metal frame building where we swear the anchor bolts were originally installed by a blind man on a pogo stick.
Thomas Hunt
| Rhkratzse@aol.com 01/24/2008 06:22 PM Please respond to seaint |
|
I need a little help.
Does anyone know of a source for long drill bits in the San Francisco Bay Area? I mean to drill holes in existing concrete for new anchor rods to be epoxy-grouted into for residential earthquake retrofits, say 1" to 1-1/4" diameter up to about 30" or 36" long?
TIA,
Ralph
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