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The Ring of Fire is a series of oceanic trenches and volcanoes around the Pacific Ocean.
In horizontal geothermal ground loops, several hundred feet of five to six feet deep trenches are dug with a backhoe or chain trencher. Copper coil is then laid in the trench and back filled(with conductive grout solution).A typical horizontal ground loop will be 150 feet long for each ton of heating and cooling.n horizontal geothermal ground loops, several hundred feet of five to six feet deep trenches are dug with a backhoe or chain trencher. Copper coil is then laid in the trench and back filled(with conductive grout solution).