B Trenchless from Denver has successfully completed a 12 inch bore underneath the Gore Creek. Here is a picture of a 12 inch bore head. On the opposite side of the river you will notice the bore trucks in line with this head. Along with the 12 inch line there are two, 2 inch lines attached to the main for communication wire. Theses pipes are six feet below the bottom of the river.
The process begins with a 2 inch line for the initial bore. Slurry is used to maintain that path. Next they will size up accordingly until they meet the desired bore size. In this case, 12 inches.
The biggest bore is 20 inches on the property. That will be from the 9th tee box to the 8th green, going under Vail Valley Drive. That will be the next bore and scheduled to be completed by Monday.
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