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Posted 2020-08-24

14 inch hole in concrete Picture 1

14 inch hole in concrete

services 14 inch

14 inch hole in concrete

Core drilling 14 inch holes in a block concrete wall is not easy. The core drill bit in itself weighs close to 40 pounds and the rig, along with the core drill motor, adds to that weigh by a least another 60 pounds. So when core drilling on a wall you have to use more than just one concrete anchor to secure the rig to the wall so that the...

Posted 2020-08-24

vacuum pump for core drilling Picture 1

vacuum pump for core drilling

services BLOG

vacuum pump for core drilling

A vacuum pump is the unique way that a core drill operator can suck down a core drilling rig to a concrete floor. This method is preferred when core drilling most smooth concrete floors. The vacuum pump sits on the core drill rig usually between the two wheels if the rig is so equipped. A soft suction foam ring lines a channel on the bott...

Posted 2020-08-23

core drilling greensboro north carolina Picture 1

core drilling greensboro north carolina

services 10 inch

core drilling greensboro north carolina

This was one mean wall. It had within its contents close to 14 pieces of rebar embedded into the concrete of the this parking garage on greene st, Greensboro, North Carolina. We took almost 48 minutes to core drill this 10 inch hole in the wall. Luckily we had our trusty small core drilling rig with us so that we could mount to the concre...

Posted 2020-08-15

core drilling samples Picture 1

core drilling samples

services BLOG

core drilling samples

This is our work truck again, this time back in Concord, NC. This particular project involved core drilling through the shop floor of this former transmission shop on church street north. After we get done making a 4" hole in the floor a machine comes in and pounds segments of plastic tube some 30 feet into the ground. This allows the dir...

Posted 2020-08-09

core drilling concrete floors Picture 1

core drilling concrete floors

services BLOG

core drilling concrete floors

Core drilling through a concrete floor or concrete pad with a large 12 inch core drill bit is sometimes the type of duty that you like to pass onto the youngsters in the crew. It takes a large floor based core drill rig to core drill a 12 inch hole. We use a milwaukee 4004 core drill motor to make the big holes up to 14 inches. It a hea...

Posted 2020-08-02

core drilling 24 inches deep concrete foundation Picture 1

core drilling 24 inches deep concrete foundation

services BLOG

core drilling 24 inches deep concrete foundation

This is a dangerous job. For just on the other side of that concrete foundation, upon which we are core drilling 18 four inch core drill holes 24 inches deep, are all the power lines that go to this 100,000 kw sub station in hendersonville, North Carolina. Our special core drilling rig easily handles this task as we core drill all the 4 i...
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