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

WidthDepthLengthTons per TrenchDistance Between
6" to 8"4' out, 6' back250'18' to 10'
500' coils are used with trenchers
Excavator

Excavator

WidthDepthLengthTons per TrenchDistance Between
30"4' out, 6' back300'210' to 12'
30"4' out, 6' back150'110' to 12'
54" Slinky5'150'112' minimum
600' coils are used with excavators

Directional Boring is also available.