Mainline going in behind 7 green. This line will tie into the bore under the runway at 5 green to continue the main line to holes 1-5. The bottom picture is a close up of the fusing machine welding two pipes together.
Using a directional boring machine to take an 8 inch hdpe pipe underneath the runway. This will allow more water flow and faster run times in the future. No disruption to runway surface as the pipe is installed 3 to 5 feet below surface.