Plugged pipes are a pain. If they can’t be cleared easily, a city can spend six figures digging them up and replacing them. The advent of low-speed, high-impact rotary cutting technology is changing that.Durable, workhorse cutters can chew through concrete and other dense material, clearing a clogged pipe within minutes or hours and at a much lower cost. One of these tools, the Paikert cutter, manufactured and marketed by NozzTeq Inc. of Dunedin, Fla., is driven by water pressure and is available in a variety of sizes to fit most pipe diameters. It is designed to work with sewer jetting
