Mariner West Pipeline Construction
Langan provided site/civil and geotechnical engineering design and construction services for a 4.4-mile section of an ethane pipeline. This section is located between the north and south shores of the Ohio River near Vanport Station. Langan provided services for horizontal directional drilling (HDD) design and conventional installation as well as for the construction of the pipeline and several access roads. Langan also provided boundary surveys of all properties that will contain the pipeline right-of-way.