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Concrete Core Drilling is designed to remove the perimeter of the hole, an annulus of material rather than an entire cylinder of the material being drilled. The material left inside the drill bit is referred to as the core.
Concrete line drilling is an effective method for removing any thickness of concrete when other methods cannot be applied. Core holes are drilled in a series of overlapping holes around the perimeter of the desired area to be removed. This only becomes necessary if the concrete is too thick or if space restrictions don’t allow the other specialty tools.
Core drilling may seem like a simplistic process and activity, but there are a variety of options to consider, from the type of diamond to the speed of the drill.
Typical applications include:
Phone, electrical, cable, and fiber optic openings
Handrail and anchor holes
KLW CONCRETE CUTTING INC
Wall Sawing- provides the ability to perform precision cut in concrete walls, slabs or structure to a cutting depth of 24" inches from one side. This select equipment can delivered saw cuts that need to be made at specific angles or inverted sawing. Wall saw is preferred unit for saw cutting tilt-up panels, cast-in-place walls or slabs when a precise opening is required for the installation of openings.
Concrete Wire Sawing was created through great advances in diamond application technology. The steel braided wire is impregnated with small cutting diamonds similar to blades and bits used for cutting concrete. The wire is oriented in a looped fashion on the cutting plane. A hydraulic-driven wheel then forces the wire through the surface to be cut. The use of multiple pulleys allows the wire to cut any thickness at any angle, assuming there is access. The ideal applications include structures that are too thick or too large for conventional cutting means, tight areas, and submerged locations. Some examples include foundation concrete walls thicker than 30” that require openings, piers submerged in water, or large barrel chillers cut down for removal.
Slab or Flat Sawing- is the preferred method for saw cutting of large horizontal concrete slabs and structures. Slab sawing allows for fast, clean and efficient removal of bridge decks, airport runways, roadways sections or rehabilitation patches. KLW Concrete Cutting is capable of saw cutting concrete slabs to a depth of up to 24". Whether the job has a need for the use of gas, diesel or electrically powered walk-behind saws.
Ring Saw/Chain Saw- preferred method for precise cuts and penetrations through concrete where overcuts are not allowed into the surrounding areas of concrete. Ring saw capable of cuts up to a depth of 20", while the Chain saw is a "plunge cut" with creating cuts as small 5" with 1/4" width and cutting depths up to 30".
Hand Sawing- Hand-held powered saws generally used where other types of sawing are not feasible. These saws are highly portable and can access small, tight areas where cutting is needed.