OP
wroughtn_harv
Super Member
I decide where I want the fountain head to be located in the boulder. I then drill a three quarter inch hole from that point through the stone. (I have a Hilti three foot long three quarter inch masonary bit. You too can have one for only two hundred plus with thirty one a percent discount)
I follow the three quarter hole with a one inch from each end, hopefully meeting in the middle. That's followed with a one and a half inch, again, meeting in the middle so I have a one and a half inch hole clean clear through.
I drill ten to twelve seven sixteenths holes about three inches deep in a circle around the one and half inch hole on top of the rock. After I've broken these holes into the one and a half inch hole I follow that with a three inch diamond bit on a small angle grinder. It's a little tricky using a grinding wheel for boring but it works.
I then turn the rock over and using the pattern drill one inch holes for the rebar pins.
Then it's a simple matter of lifting up the stone (eight to twelve hundred pounds). Feed the water line through the big hole and line up the rebar pins with their corresponding holes.
Set the puppy in place and then mortar it in even though the mortar is more about looks than strength. The pins are what will keep it there until the boulders learn how to float.
I follow the three quarter hole with a one inch from each end, hopefully meeting in the middle. That's followed with a one and a half inch, again, meeting in the middle so I have a one and a half inch hole clean clear through.
I drill ten to twelve seven sixteenths holes about three inches deep in a circle around the one and half inch hole on top of the rock. After I've broken these holes into the one and a half inch hole I follow that with a three inch diamond bit on a small angle grinder. It's a little tricky using a grinding wheel for boring but it works.
I then turn the rock over and using the pattern drill one inch holes for the rebar pins.
Then it's a simple matter of lifting up the stone (eight to twelve hundred pounds). Feed the water line through the big hole and line up the rebar pins with their corresponding holes.
Set the puppy in place and then mortar it in even though the mortar is more about looks than strength. The pins are what will keep it there until the boulders learn how to float.