Direct Pipe

North Pottstown Pike Direct Pipe

North Pottstown Pike Direct Pipe

Scope

Michels Direct Pipe contractors employed Direct Pipe to install approximately 860 feet of 48-inch steel pipeline underneath the North Pottstown Pike/Highway 100. Direct Pipe combines a pipe thruster and tunneling machine, allowing a borehole to be created and pre-fabricated pipeline inserted in one continuous step.

The 48-inch pipeline serves as a conduit for both a 16-inch and 20-inch product pipeline, as part of the Mariner East II Project. Michels utilized a Herrenknecht 750-tonne pipe thruster and a 48-inch microtunnel boring machine to execute the project.

Throughout the crossing, multiple types of geology were encountered, from hard dolomite to softer sands, mixed with clay and gravel. Crews were able to change tooling and efficiently bore through the hard geology. The project was also located in a suburban environment, between a dentist office and a barbershop. Due to the tight workspace, maneuvering equipment around the site was difficult. The city also had trucking restrictions.

Given the soils present and the highway close by, horizontal directional drilling would have created a larger risk for ground settlement. The Direct Pipe method was chosen due to its smaller footprint and ability to install pipelines shallower.

  • Michels Direct Pipe contractors employed Direct Pipe to install approximately 860 feet of 48-inch steel pipeline underneath the North Pottstown Pike/Highway 100.

Projects

Michels completed the 790 foot installation of a 42-inch steel pipeline for the Mariner East II project utilizing the Direct Pipe method.

Direct Pipe

Aughwick Creek Direct Pipe

Pennsylvania

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Aughwick Creek Direct Pipe

Direct Pipe

Calumet River Direct Pipe

Illinois

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Calumet River Direct Pipe

Michels used Direct Pipe methodology to complete two installations on a pipeline project in Texas.

Direct Pipe

Sweeny Midstream Spread D

Texas

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Sweeny Midstream Spread D

Michels used the Direct Pipe methodology to install a 48-inch gas pipeline under the Rio Grande and the border between the United States and Mexico.

Direct Pipe

Rio Grande border crossing

Texas

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Rio Grande border crossing

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