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Horizontal Loop Installation Options

Durbin Geothermal offers several excavating methods for your horizontal loop field. We have encountered many different soil and site conditions, and are confident we can offer an effective solution for your loop field needs. The chart below shows the available options and space needed for installation of each.

Open Cut Trench Options

Chain Trencher

Chain Trencher

Width Depth Length Tons per Trench Distance Between
6-8 ft 4 ft out, 6 ft back 250 ft 1 8-10 ft
500 ft coils are used with trenchers
Excavator

Excavator

Width Depth Length Tons per Trench Distance Between
30 in 4 ft out, 6 ft back 300 ft 2 10-12 ft
30 in 4 ft out, 6 ft back 150 ft 1 10-12 ft
54 in Slinky 5 ft 150 ft 1 12 ft minimum
600 ft coils are used with excavators

Directional Boring is also available.