Third Time's the Charm

A contractor completes a difficult directional bore for a new sewer line through challenging Georgia rock using a laser-guided boring system

Jun 21, 2011 | by Randy Happel |

Vermeer Corporation Boring System

Third Time's the Charm — The installation plan had three components, an 8-inch force main of 7,000 feet to a pump station, followed by a 3,500-foot stretch of 10-inch gravity sewer, and a run of 8-inch force main covering nearly 8,000 feet.

t took a contractor receptive to innovation, a good deal of patience and a lot of determination to conquer a pesky 800-foot stretch of tough Georgia blue granite on a sewer installation project.Coweta County Water and Sewer Authority put its faith in DeKalb Pipeline Company to emerge victorious after two previous contractors failed the task using drills and air hammers.The DeKalb firm found the solution in a pit-launched laser-guided boring system, designed to achieve pinpoint on-grade accuracy while eliminating some of the difficult steps involved in other installation techniques.The contractor completed the installation in two 400-foot bores radiating out from

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