How do you drill a hole in a rock?

1. have a well driller punch a hole on the rock, 8 feet deep, and put in a ground rod. Fill annular space with sand, or better yet, grout or bentonite. Two rods (or more) would be advisable in this situation... 2. Create a Ufer ground (concrete-encased electrode).

How do you drill a hole in a pipe?

You can have a contractor drill a hole using a compressor powered rock drill and 10' drill steel or rent the tow around compressor and rock drill locally and do it yourself. Once you have the hole drilled, grout the rod into the hole with an expanding grout such as Rockite or similar.

How do you drill a rock with a drill bit?

To drill a hole in a rock using a drill bit, position the rock onto a stable surface and add enough water to keep the bit wet and the rock clean of debris while drilling. The water also keeps the rock and drill bit cool. Don your safety glasses and dust mask, and start drilling.

How do you drill a hole with a wedge anchor?

Be sure to thoroughly clean the drilled hole of rock dust and debris. Slide the anchor down in the hole. Use a bar through the eye to turn the rod until the anchor is fully expanded against the sides of the hole. Removing the wedge tie will occasionally facilitate the wedge expansion.

How do you use a rock anchor Rod?

Use a bar through the eye to turn the rod until the anchor is fully expanded against the sides of the hole. Removing the wedge tie will occasionally facilitate the wedge expansion. Rock anchors set in holes drilled 12 inches deep in competent Class 0 Soil (hard rock) will develop the full strength of the anchor rod.

How deep should a hole be drilled?

Drill the hole into the competent rock a minimum depth of 12 inches along the drill steel. Be sure to drill so that the anchor rod will be in line with the guy. Holes should be drilled so the diameter is optimally an 1/8th inch larger than the diameter of the unexpanded anchor. For example, the hole drilled for a R315 is 1-7/8 inch diameter.