Core Hole Drilling: What Is It?

Core hole drilling is a process done to concrete. Special equipment is used to drill perfect cylinders into walls. This is done by professionals for a variety of purposes, including:

  • Installation or repairs of plumbing and other pipework
  • Running electrical wires inside the wall
  • Putting up ducting systems for air conditioners
  • Installing sprinkler systems
  • Installing phone lines and internet cables

What tools are used in Core Hole Drilling?

In most cases, a heavy duty concrete drill is used. It’s fitted with a tube-shaped drill bit, which consists of a diamond-coated blade. The machine itself is held steady by support beams and cables. It can be powered by electricity, hydraulics or gas.

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How is it done?

The first step is determining and marking the target. This is important, because the machine needs to be secured to the base before the process begins. Miscalculations could end up delaying the process. To add to this, experts don’t want to bore through any important stuff – most of which can’t be seen through visual inspection alone.

Thorough research must be done before the technicians start. This is to ensure that nothing gets damaged in the process. For walls, they ensure there are no pipes or existing electrical wiring. If they’re cutting on the ground, they’ll see if there are any plumbing lines or tree roots. Once everything is clear, they can begin.

They set up the machine to align at the exact drill spot. Because the equipment generates a lot of pressure, they secure it to the ground to keep it steady. They then attach the drill bit. The size will vary depending on the type of hole that needs to be cut.

At this stage, they can use either the dry or wet method. If they’re using a dry method, they’ll turn on the industrial-grade vacuum cleaners. The drill process generates a lot of dust, which can be hazardous when inhaled. The vacuum automatically removes the dirt. It acts as an exhaust fan. If the wet method is being used, the technicians will use water to soak up the dust.