Equipment Type

Top 100: "Keyholing" Conserves Resources

The VT250D Keyholing VaXcavator from McLaughlin Boring Systems is a self-contained unit capable of exposing utilities beneath asphalt and concrete surfaces...

December 01, 2005

VT250DThe VT250D Keyholing VaXcavator from McLaughlin Boring Systems is a self-contained unit capable of exposing utilities beneath asphalt and concrete surfaces. A core drill, capable of operating up to 25 feet from the rear of the VaXcavator's trailer, first removes a small core of pavement. The system's vacuum excavator then removes soil beneath the displaced core to expose the utility. When closing the keyhole, either the dry excavated material from the hole is replaced, or dry fill from the system's storage tanks is used. The core is cemented back into position. The VT250D, says McLaughlin, requires only two people for its operation, and replaces multiple pieces of specialized equipment. Estimated list price: $55,000.

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