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Title: Directional Drilling As An Alternate Construction Method In Wetlands
Author: Lydia Gromadzki Dorko
Source: American Gas Association 1991
Year Published: 1991
Abstract: Columbia Gas Transmission, in partnership with ANR Pipeline, constructed 8.9 miles of 20 pipeline from Swedesboro to West Deptford in Gloucester County, New Jersey. Henkels & McCoy, Inc. was contracted to install the 47,623 of pipe of which 22,174 (47%) was identified as wetland construction, with the most sensitive wetlands being Raccoon and Mantua creeks. These two tidal marsh areas were selected to be directionally drilled. Land & Marine, Inc. completed the 1535 Raccoon Creek and 1651 Mantua Creek crossing as a subcontractor to Henkels & McCoy. This was Columbia Transmissionss first attempt at employing this very viable solution for construction within wetlands. This presentation centers on the process Columbia went through to install the pipeline in the Racoon and Mantua creek areas. I will discuss: Definition of the drilling procedure Acquisition of drilling parameters Selection of contractor Description of directional drilling method Construction of pipeline Evaluation of the procedure after construction

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